Aug 02 06:46:28.750 INFO checking impl_ops-0.1.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 06:46:28.750 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:46:28.750 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:46:28.750 INFO running `"docker" "create" "-v" "/tmp/crater.UkVQ5ctb7fVr:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 06:46:29.081 INFO blam! 063c4ac7106062f3c1cfa791d982f2d2d95e9c15c77e98c1ed4f4a64772ac3ad
Aug 02 06:46:29.083 INFO running `"docker" "start" "-a" "063c4ac7106062f3c1cfa791d982f2d2d95e9c15c77e98c1ed4f4a64772ac3ad"`
Aug 02 06:46:30.221 INFO kablam!     Checking impl_ops v0.1.1 (file:///source)
Aug 02 06:46:32.255 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.255 INFO kablam!    --> tests/assignment.rs:150:5
Aug 02 06:46:32.255 INFO kablam!     |
Aug 02 06:46:32.255 INFO kablam! 150 |     impl_op!(+= |a: &mut kong::Donkey, b: &kong::Dixie| { a.bananas += b.bananas; });
Aug 02 06:46:32.255 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.255 INFO kablam!     |
Aug 02 06:46:32.255 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 06:46:32.255 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.255 INFO kablam! 
Aug 02 06:46:32.256 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.256 INFO kablam!    --> tests/assignment.rs:170:5
Aug 02 06:46:32.256 INFO kablam!     |
Aug 02 06:46:32.256 INFO kablam! 170 |     impl_op_ex!(*= |a: &mut kong::Donkey, b: &kong::Dixie| { a.bananas *= b.bananas; });
Aug 02 06:46:32.256 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.256 INFO kablam!     |
Aug 02 06:46:32.256 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.256 INFO kablam! 
Aug 02 06:46:32.257 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.257 INFO kablam!    --> tests/assignment.rs:192:5
Aug 02 06:46:32.257 INFO kablam!     |
Aug 02 06:46:32.257 INFO kablam! 192 |     impl_op_ex!(-= |a: &mut kong::Barrel<i32>, b: &kong::Barrel<u32>| { a.bananas -= b.bananas as i32; });
Aug 02 06:46:32.257 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.259 INFO kablam!     |
Aug 02 06:46:32.259 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.259 INFO kablam! 
Aug 02 06:46:32.266 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.266 INFO kablam!    --> tests/assignment.rs:217:5
Aug 02 06:46:32.266 INFO kablam!     |
Aug 02 06:46:32.266 INFO kablam! 217 | /     impl_op_ex!(-= |a: &mut kong::Donkey, b: &kong::Barrel<i32>| { 
Aug 02 06:46:32.266 INFO kablam! 218 | |         a.bananas += 0;
Aug 02 06:46:32.266 INFO kablam! 219 | |         a.bananas -= b.bananas; 
Aug 02 06:46:32.266 INFO kablam! 220 | |     });
Aug 02 06:46:32.266 INFO kablam!     | |_______^ help: remove this `mut`
Aug 02 06:46:32.266 INFO kablam!     |
Aug 02 06:46:32.266 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.266 INFO kablam! 
Aug 02 06:46:32.268 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.268 INFO kablam!   --> tests/assignment.rs:58:5
Aug 02 06:46:32.268 INFO kablam!    |
Aug 02 06:46:32.268 INFO kablam! 58 |     impl_op!(+= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas += b.bananas; });
Aug 02 06:46:32.268 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.268 INFO kablam!    |
Aug 02 06:46:32.268 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.269 INFO kablam! 
Aug 02 06:46:32.270 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.270 INFO kablam!   --> tests/assignment.rs:66:5
Aug 02 06:46:32.270 INFO kablam!    |
Aug 02 06:46:32.270 INFO kablam! 66 |     impl_op!(-= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas -= b.bananas; });
Aug 02 06:46:32.270 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.270 INFO kablam!    |
Aug 02 06:46:32.271 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.271 INFO kablam! 
Aug 02 06:46:32.272 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.272 INFO kablam!   --> tests/assignment.rs:74:5
Aug 02 06:46:32.273 INFO kablam!    |
Aug 02 06:46:32.273 INFO kablam! 74 |     impl_op!(*= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas *= b.bananas; });
Aug 02 06:46:32.273 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.274 INFO kablam!    |
Aug 02 06:46:32.274 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.275 INFO kablam! 
Aug 02 06:46:32.277 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.277 INFO kablam!   --> tests/assignment.rs:82:5
Aug 02 06:46:32.277 INFO kablam!    |
Aug 02 06:46:32.277 INFO kablam! 82 |     impl_op!(/= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas /= b.bananas; });
Aug 02 06:46:32.277 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.277 INFO kablam!    |
Aug 02 06:46:32.278 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.278 INFO kablam! 
Aug 02 06:46:32.279 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.279 INFO kablam!   --> tests/assignment.rs:90:5
Aug 02 06:46:32.279 INFO kablam!    |
Aug 02 06:46:32.279 INFO kablam! 90 |     impl_op!(%= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas %= b.bananas; });
Aug 02 06:46:32.279 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.280 INFO kablam!    |
Aug 02 06:46:32.280 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.280 INFO kablam! 
Aug 02 06:46:32.281 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.282 INFO kablam!   --> tests/assignment.rs:98:5
Aug 02 06:46:32.282 INFO kablam!    |
Aug 02 06:46:32.282 INFO kablam! 98 |     impl_op!(&= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas &= b.bananas; });
Aug 02 06:46:32.282 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.282 INFO kablam!    |
Aug 02 06:46:32.282 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.283 INFO kablam! 
Aug 02 06:46:32.284 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.284 INFO kablam!    --> tests/assignment.rs:106:5
Aug 02 06:46:32.284 INFO kablam!     |
Aug 02 06:46:32.284 INFO kablam! 106 |     impl_op!(|= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas |= b.bananas; });
Aug 02 06:46:32.284 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.285 INFO kablam!     |
Aug 02 06:46:32.285 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.286 INFO kablam! 
Aug 02 06:46:32.287 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.287 INFO kablam!    --> tests/assignment.rs:114:5
Aug 02 06:46:32.287 INFO kablam!     |
Aug 02 06:46:32.287 INFO kablam! 114 |     impl_op!(^= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas ^= b.bananas; });
Aug 02 06:46:32.287 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.288 INFO kablam!     |
Aug 02 06:46:32.288 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.288 INFO kablam! 
Aug 02 06:46:32.290 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.290 INFO kablam!    --> tests/assignment.rs:122:5
Aug 02 06:46:32.290 INFO kablam!     |
Aug 02 06:46:32.290 INFO kablam! 122 |     impl_op!(<<= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas <<= b.bananas; });
Aug 02 06:46:32.290 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.290 INFO kablam!     |
Aug 02 06:46:32.291 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.291 INFO kablam! 
Aug 02 06:46:32.292 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.292 INFO kablam!    --> tests/assignment.rs:130:5
Aug 02 06:46:32.292 INFO kablam!     |
Aug 02 06:46:32.292 INFO kablam! 130 |     impl_op!(>>= |a: &mut kong::Donkey, b: kong::Diddy| { a.bananas >>= b.bananas; });
Aug 02 06:46:32.293 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.293 INFO kablam!     |
Aug 02 06:46:32.293 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.294 INFO kablam! 
Aug 02 06:46:32.295 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.295 INFO kablam!    --> tests/assignment.rs:142:5
Aug 02 06:46:32.295 INFO kablam!     |
Aug 02 06:46:32.295 INFO kablam! 142 |     impl_op!(+= |a: &mut kong::Donkey, b: kong::Dixie| { a.bananas += b.bananas; });
Aug 02 06:46:32.295 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.296 INFO kablam!     |
Aug 02 06:46:32.296 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.297 INFO kablam! 
Aug 02 06:46:32.299 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.299 INFO kablam!    --> tests/assignment.rs:162:5
Aug 02 06:46:32.299 INFO kablam!     |
Aug 02 06:46:32.299 INFO kablam! 162 |     impl_op_ex!(-= |a: &mut kong::Donkey, b: kong::Dixie| { a.bananas -= b.bananas; });
Aug 02 06:46:32.299 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.299 INFO kablam!     |
Aug 02 06:46:32.300 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.300 INFO kablam! 
Aug 02 06:46:32.302 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.302 INFO kablam!    --> tests/assignment.rs:170:5
Aug 02 06:46:32.302 INFO kablam!     |
Aug 02 06:46:32.302 INFO kablam! 170 |     impl_op_ex!(*= |a: &mut kong::Donkey, b: &kong::Dixie| { a.bananas *= b.bananas; });
Aug 02 06:46:32.302 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.303 INFO kablam!     |
Aug 02 06:46:32.303 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.303 INFO kablam! 
Aug 02 06:46:32.305 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.305 INFO kablam!    --> tests/assignment.rs:184:5
Aug 02 06:46:32.305 INFO kablam!     |
Aug 02 06:46:32.305 INFO kablam! 184 |     impl_op!(+= |a: &mut kong::Barrel<i32>, b: kong::Barrel<u32>| { a.bananas += b.bananas as i32; });
Aug 02 06:46:32.305 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.305 INFO kablam!     |
Aug 02 06:46:32.306 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.306 INFO kablam! 
Aug 02 06:46:32.308 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.308 INFO kablam!    --> tests/assignment.rs:192:5
Aug 02 06:46:32.308 INFO kablam!     |
Aug 02 06:46:32.308 INFO kablam! 192 |     impl_op_ex!(-= |a: &mut kong::Barrel<i32>, b: &kong::Barrel<u32>| { a.bananas -= b.bananas as i32; });
Aug 02 06:46:32.308 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this `mut`
Aug 02 06:46:32.309 INFO kablam!     |
Aug 02 06:46:32.309 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.310 INFO kablam! 
Aug 02 06:46:32.311 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.311 INFO kablam!    --> tests/assignment.rs:206:5
Aug 02 06:46:32.311 INFO kablam!     |
Aug 02 06:46:32.311 INFO kablam! 206 | /     impl_op!(+= |a: &mut kong::Donkey, b: kong::Barrel<i32>| {
Aug 02 06:46:32.311 INFO kablam! 207 | |         a.bananas += 0; 
Aug 02 06:46:32.311 INFO kablam! 208 | |         a.bananas += b.bananas;
Aug 02 06:46:32.311 INFO kablam! 209 | |     });
Aug 02 06:46:32.311 INFO kablam!     | |_______^ help: remove this `mut`
Aug 02 06:46:32.312 INFO kablam!     |
Aug 02 06:46:32.312 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.312 INFO kablam! 
Aug 02 06:46:32.315 INFO kablam! warning: variable does not need to be mutable
Aug 02 06:46:32.315 INFO kablam!    --> tests/assignment.rs:217:5
Aug 02 06:46:32.315 INFO kablam!     |
Aug 02 06:46:32.315 INFO kablam! 217 | /     impl_op_ex!(-= |a: &mut kong::Donkey, b: &kong::Barrel<i32>| { 
Aug 02 06:46:32.315 INFO kablam! 218 | |         a.bananas += 0;
Aug 02 06:46:32.315 INFO kablam! 219 | |         a.bananas -= b.bananas; 
Aug 02 06:46:32.315 INFO kablam! 220 | |     });
Aug 02 06:46:32.315 INFO kablam!     | |_______^ help: remove this `mut`
Aug 02 06:46:32.315 INFO kablam!     |
Aug 02 06:46:32.316 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 02 06:46:32.316 INFO kablam! 
Aug 02 06:46:33.254 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
Aug 02 06:46:33.259 INFO kablam! su: No module specific data is present
Aug 02 06:46:33.934 INFO running `"docker" "rm" "-f" "063c4ac7106062f3c1cfa791d982f2d2d95e9c15c77e98c1ed4f4a64772ac3ad"`
Aug 02 06:46:34.087 INFO blam! 063c4ac7106062f3c1cfa791d982f2d2d95e9c15c77e98c1ed4f4a64772ac3ad