Aug 01 18:57:15.517 INFO checking waveform-0.3.2 against 1.27.2 for lazy_static-1
Aug 01 18:57:15.517 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:57:15.517 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:57:15.517 INFO running `"docker" "create" "-v" "/tmp/crater.lAFX8cyunjbM:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 01 18:57:15.740 INFO blam! b93b747c9f0b29c23f1815f832481bad19167f574235c028d11db5d0f384422a
Aug 01 18:57:15.742 INFO running `"docker" "start" "-a" "b93b747c9f0b29c23f1815f832481bad19167f574235c028d11db5d0f384422a"`
Aug 01 18:57:16.704 INFO kablam!     Checking waveform v0.3.2 (file:///source)
Aug 01 18:57:17.535 INFO kablam! warning: unused variable: `c1_is_scalar`
Aug 01 18:57:17.535 INFO kablam!   --> src/misc.rs:32:13
Aug 01 18:57:17.535 INFO kablam!    |
Aug 01 18:57:17.536 INFO kablam! 32 |         let mut c1_is_scalar = false;
Aug 01 18:57:17.536 INFO kablam!    |             ^^^^^^^^^^^^^^^^ help: consider using `_c1_is_scalar` instead
Aug 01 18:57:17.536 INFO kablam!    |
Aug 01 18:57:17.536 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 01 18:57:17.536 INFO kablam! 
Aug 01 18:57:17.536 INFO kablam! warning: unused variable: `c2_is_scalar`
Aug 01 18:57:17.536 INFO kablam!   --> src/misc.rs:33:13
Aug 01 18:57:17.536 INFO kablam!    |
Aug 01 18:57:17.536 INFO kablam! 33 |         let mut c2_is_scalar = false;
Aug 01 18:57:17.536 INFO kablam!    |             ^^^^^^^^^^^^^^^^ help: consider using `_c2_is_scalar` instead
Aug 01 18:57:17.536 INFO kablam! 
Aug 01 18:57:17.573 INFO kablam! warning: variable does not need to be mutable
Aug 01 18:57:17.573 INFO kablam!   --> src/misc.rs:32:13
Aug 01 18:57:17.573 INFO kablam!    |
Aug 01 18:57:17.573 INFO kablam! 32 |         let mut c1_is_scalar = false;
Aug 01 18:57:17.573 INFO kablam!    |             ----^^^^^^^^^^^^
Aug 01 18:57:17.573 INFO kablam!    |             |
Aug 01 18:57:17.574 INFO kablam!    |             help: remove this `mut`
Aug 01 18:57:17.574 INFO kablam!    |
Aug 01 18:57:17.574 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 01 18:57:17.574 INFO kablam! 
Aug 01 18:57:17.574 INFO kablam! warning: variable does not need to be mutable
Aug 01 18:57:17.574 INFO kablam!   --> src/misc.rs:33:13
Aug 01 18:57:17.574 INFO kablam!    |
Aug 01 18:57:17.574 INFO kablam! 33 |         let mut c2_is_scalar = false;
Aug 01 18:57:17.574 INFO kablam!    |             ----^^^^^^^^^^^^
Aug 01 18:57:17.574 INFO kablam!    |             |
Aug 01 18:57:17.574 INFO kablam!    |             help: remove this `mut`
Aug 01 18:57:17.574 INFO kablam! 
Aug 01 18:57:17.615 INFO kablam! warning: unused variable: `c1_is_scalar`
Aug 01 18:57:17.615 INFO kablam!   --> src/misc.rs:32:13
Aug 01 18:57:17.615 INFO kablam!    |
Aug 01 18:57:17.615 INFO kablam! 32 |         let mut c1_is_scalar = false;
Aug 01 18:57:17.615 INFO kablam!    |             ^^^^^^^^^^^^^^^^ help: consider using `_c1_is_scalar` instead
Aug 01 18:57:17.615 INFO kablam!    |
Aug 01 18:57:17.615 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 01 18:57:17.615 INFO kablam! 
Aug 01 18:57:17.616 INFO kablam! warning: unused variable: `c2_is_scalar`
Aug 01 18:57:17.616 INFO kablam!   --> src/misc.rs:33:13
Aug 01 18:57:17.616 INFO kablam!    |
Aug 01 18:57:17.616 INFO kablam! 33 |         let mut c2_is_scalar = false;
Aug 01 18:57:17.616 INFO kablam!    |             ^^^^^^^^^^^^^^^^ help: consider using `_c2_is_scalar` instead
Aug 01 18:57:17.616 INFO kablam! 
Aug 01 18:57:17.634 INFO kablam! warning: variable does not need to be mutable
Aug 01 18:57:17.634 INFO kablam!   --> src/misc.rs:32:13
Aug 01 18:57:17.634 INFO kablam!    |
Aug 01 18:57:17.634 INFO kablam! 32 |         let mut c1_is_scalar = false;
Aug 01 18:57:17.634 INFO kablam!    |             ----^^^^^^^^^^^^
Aug 01 18:57:17.634 INFO kablam!    |             |
Aug 01 18:57:17.634 INFO kablam!    |             help: remove this `mut`
Aug 01 18:57:17.635 INFO kablam!    |
Aug 01 18:57:17.635 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 01 18:57:17.636 INFO kablam! 
Aug 01 18:57:17.636 INFO kablam! warning: variable does not need to be mutable
Aug 01 18:57:17.636 INFO kablam!   --> src/misc.rs:33:13
Aug 01 18:57:17.636 INFO kablam!    |
Aug 01 18:57:17.636 INFO kablam! 33 |         let mut c2_is_scalar = false;
Aug 01 18:57:17.636 INFO kablam!    |             ----^^^^^^^^^^^^
Aug 01 18:57:17.636 INFO kablam!    |             |
Aug 01 18:57:17.636 INFO kablam!    |             help: remove this `mut`
Aug 01 18:57:17.637 INFO kablam! 
Aug 01 18:57:18.077 INFO kablam! warning: unused variable: `vec`
Aug 01 18:57:18.077 INFO kablam!   --> examples/binned.rs:86:9
Aug 01 18:57:18.077 INFO kablam!    |
Aug 01 18:57:18.077 INFO kablam! 86 |     let vec: Vec<u8> =
Aug 01 18:57:18.077 INFO kablam!    |         ^^^ help: consider using `_vec` instead
Aug 01 18:57:18.077 INFO kablam!    |
Aug 01 18:57:18.077 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 01 18:57:18.077 INFO kablam! 
Aug 01 18:57:18.228 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:57:18.228 INFO kablam!  --> benches/render.rs:1:1
Aug 01 18:57:18.228 INFO kablam!   |
Aug 01 18:57:18.228 INFO kablam! 1 | #![feature(test)]
Aug 01 18:57:18.228 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 18:57:18.228 INFO kablam! 
Aug 01 18:57:18.229 INFO kablam! error: aborting due to previous error
Aug 01 18:57:18.230 INFO kablam! 
Aug 01 18:57:18.230 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:57:18.246 INFO kablam! error: Could not compile `waveform`.
Aug 01 18:57:18.247 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:57:18.261 INFO kablam! warning: unused variable: `vec`
Aug 01 18:57:18.261 INFO kablam!   --> examples/multi.rs:85:9
Aug 01 18:57:18.261 INFO kablam!    |
Aug 01 18:57:18.261 INFO kablam! 85 |     let mut vec: Vec<u8> =
Aug 01 18:57:18.261 INFO kablam!    |         ^^^^^^^ help: consider using `_vec` instead
Aug 01 18:57:18.261 INFO kablam!    |
Aug 01 18:57:18.261 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 01 18:57:18.261 INFO kablam! 
Aug 01 18:57:18.264 INFO kablam! warning: variable does not need to be mutable
Aug 01 18:57:18.264 INFO kablam!   --> examples/multi.rs:85:9
Aug 01 18:57:18.264 INFO kablam!    |
Aug 01 18:57:18.264 INFO kablam! 85 |     let mut vec: Vec<u8> =
Aug 01 18:57:18.264 INFO kablam!    |         ----^^^
Aug 01 18:57:18.264 INFO kablam!    |         |
Aug 01 18:57:18.264 INFO kablam!    |         help: remove this `mut`
Aug 01 18:57:18.264 INFO kablam!    |
Aug 01 18:57:18.264 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 01 18:57:18.264 INFO kablam! 
Aug 01 18:57:18.288 INFO kablam! error: build failed
Aug 01 18:57:18.291 INFO kablam! su: No module specific data is present
Aug 01 18:57:19.105 INFO running `"docker" "rm" "-f" "b93b747c9f0b29c23f1815f832481bad19167f574235c028d11db5d0f384422a"`
Aug 01 18:57:19.232 INFO blam! b93b747c9f0b29c23f1815f832481bad19167f574235c028d11db5d0f384422a