Aug 02 14:07:15.639 INFO checking bip_metainfo-0.10.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 14:07:15.639 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:07:15.639 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:07:15.640 INFO running `"docker" "create" "-v" "/tmp/crater.masPh31d761X:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 14:07:15.898 INFO blam! 8138bea71e5d4e6beb75bc6dd3d3344efbcf8791c9016cff290ce6945cf2e326
Aug 02 14:07:15.901 INFO running `"docker" "start" "-a" "8138bea71e5d4e6beb75bc6dd3d3344efbcf8791c9016cff290ce6945cf2e326"`
Aug 02 14:07:16.812 INFO kablam! warning: `panic` setting is ignored for `bench` profile
Aug 02 14:07:16.901 INFO kablam!     Checking bip_bencode v0.3.1
Aug 02 14:07:18.973 INFO kablam!     Checking bip_metainfo v0.10.0 (file:///source)
Aug 02 14:07:24.632 INFO kablam! warning: variable does not need to be mutable
Aug 02 14:07:24.632 INFO kablam!    --> src/metainfo.rs:340:37
Aug 02 14:07:24.632 INFO kablam!     |
Aug 02 14:07:24.632 INFO kablam! 340 |                                 let mut bencode_files_access = bencode_files.list_mut().unwrap();
Aug 02 14:07:24.632 INFO kablam!     |                                     ----^^^^^^^^^^^^^^^^^^^^
Aug 02 14:07:24.632 INFO kablam!     |                                     |
Aug 02 14:07:24.632 INFO kablam!     |                                     help: remove this `mut`
Aug 02 14:07:24.632 INFO kablam!     |
Aug 02 14:07:24.632 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 14:07:24.632 INFO kablam! 
Aug 02 14:07:24.633 INFO kablam! warning: variable does not need to be mutable
Aug 02 14:07:24.633 INFO kablam!    --> src/metainfo.rs:340:37
Aug 02 14:07:24.633 INFO kablam!     |
Aug 02 14:07:24.633 INFO kablam! 340 |                                 let mut bencode_files_access = bencode_files.list_mut().unwrap();
Aug 02 14:07:24.633 INFO kablam!     |                                     ----^^^^^^^^^^^^^^^^^^^^
Aug 02 14:07:24.633 INFO kablam!     |                                     |
Aug 02 14:07:24.633 INFO kablam!     |                                     help: remove this `mut`
Aug 02 14:07:24.633 INFO kablam! 
Aug 02 14:07:25.983 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:07:25.983 INFO kablam!  --> benches/mod.rs:1:1
Aug 02 14:07:25.983 INFO kablam!   |
Aug 02 14:07:25.983 INFO kablam! 1 | #![feature(test)]
Aug 02 14:07:25.983 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:07:25.996 INFO kablam! 
Aug 02 14:07:25.997 INFO kablam! error: aborting due to previous error
Aug 02 14:07:25.997 INFO kablam! 
Aug 02 14:07:25.997 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:07:26.006 INFO kablam! error: Could not compile `bip_metainfo`.
Aug 02 14:07:26.007 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:07:26.201 INFO kablam! error: build failed
Aug 02 14:07:26.203 INFO kablam! su: No module specific data is present
Aug 02 14:07:26.779 INFO running `"docker" "rm" "-f" "8138bea71e5d4e6beb75bc6dd3d3344efbcf8791c9016cff290ce6945cf2e326"`
Aug 02 14:07:26.937 INFO blam! 8138bea71e5d4e6beb75bc6dd3d3344efbcf8791c9016cff290ce6945cf2e326