Sep 21 07:10:28.593 INFO checking mcs-0.1.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 07:10:28.593 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 07:10:28.593 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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" "-e" "USER_ID=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 07:10:28.794 INFO blam! eef95d66041070d3f6cf9688e3573a4025670036822cab62eb738b0f1e8aab9f
Sep 21 07:10:28.796 INFO running `"docker" "start" "-a" "eef95d66041070d3f6cf9688e3573a4025670036822cab62eb738b0f1e8aab9f"`
Sep 21 07:10:29.903 INFO kablam! usermod: no changes
Sep 21 07:10:29.929 INFO kablam!     Checking mcs v0.1.1 (/source)
Sep 21 07:10:30.014 INFO kablam! warning: unnecessary `unsafe` block
Sep 21 07:10:30.014 INFO kablam!    --> src/mutex.rs:117:9
Sep 21 07:10:30.014 INFO kablam!     |
Sep 21 07:10:30.014 INFO kablam! 117 |         unsafe {
Sep 21 07:10:30.014 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Sep 21 07:10:30.014 INFO kablam!     |
Sep 21 07:10:30.014 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Sep 21 07:10:30.015 INFO kablam! 
Sep 21 07:10:30.015 INFO kablam! warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable
Sep 21 07:10:30.015 INFO kablam!  --> src/lib.rs:1:58
Sep 21 07:10:30.015 INFO kablam!   |
Sep 21 07:10:30.015 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Sep 21 07:10:30.015 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Sep 21 07:10:30.015 INFO kablam!   |
Sep 21 07:10:30.015 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 07:10:30.015 INFO kablam! 
Sep 21 07:10:30.284 INFO kablam! warning: unnecessary `unsafe` block
Sep 21 07:10:30.284 INFO kablam!    --> src/mutex.rs:117:9
Sep 21 07:10:30.284 INFO kablam!     |
Sep 21 07:10:30.284 INFO kablam! 117 |         unsafe {
Sep 21 07:10:30.284 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Sep 21 07:10:30.284 INFO kablam!     |
Sep 21 07:10:30.284 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Sep 21 07:10:30.284 INFO kablam! 
Sep 21 07:10:30.284 INFO kablam! warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable
Sep 21 07:10:30.284 INFO kablam!  --> src/lib.rs:1:58
Sep 21 07:10:30.284 INFO kablam!   |
Sep 21 07:10:30.284 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Sep 21 07:10:30.284 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Sep 21 07:10:30.284 INFO kablam!   |
Sep 21 07:10:30.284 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 07:10:30.284 INFO kablam! 
Sep 21 07:10:30.303 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Sep 21 07:10:30.304 INFO kablam! su: No module specific data is present
Sep 21 07:10:30.952 INFO running `"docker" "rm" "-f" "eef95d66041070d3f6cf9688e3573a4025670036822cab62eb738b0f1e8aab9f"`
Sep 21 07:10:31.029 INFO blam! eef95d66041070d3f6cf9688e3573a4025670036822cab62eb738b0f1e8aab9f