Oct 13 12:12:38.529 INFO checking mcs-0.1.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 12:12:38.529 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 12:12:38.948 INFO blam! 7942962a4fcba01f186bfbefbe41a1f6ae4166f8b90e69c77360b702f101aa00
Oct 13 12:12:38.950 INFO running `"docker" "start" "-a" "7942962a4fcba01f186bfbefbe41a1f6ae4166f8b90e69c77360b702f101aa00"`
Oct 13 12:12:39.827 INFO kablam! usermod: no changes
Oct 13 12:12:39.866 INFO kablam!     Checking mcs v0.1.1 (/source)
Oct 13 12:12:39.985 INFO kablam! warning: unnecessary `unsafe` block
Oct 13 12:12:39.985 INFO kablam!    --> src/mutex.rs:117:9
Oct 13 12:12:39.985 INFO kablam!     |
Oct 13 12:12:39.985 INFO kablam! 117 |         unsafe {
Oct 13 12:12:39.985 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Oct 13 12:12:39.985 INFO kablam!     |
Oct 13 12:12:39.985 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Oct 13 12:12:39.985 INFO kablam! 
Oct 13 12:12:39.985 INFO kablam! warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 13 12:12:39.985 INFO kablam!  --> src/lib.rs:1:58
Oct 13 12:12:39.985 INFO kablam!   |
Oct 13 12:12:39.985 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Oct 13 12:12:39.985 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Oct 13 12:12:39.985 INFO kablam!   |
Oct 13 12:12:39.985 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 12:12:39.985 INFO kablam! 
Oct 13 12:12:40.650 INFO kablam! warning: unnecessary `unsafe` block
Oct 13 12:12:40.650 INFO kablam!    --> src/mutex.rs:117:9
Oct 13 12:12:40.650 INFO kablam!     |
Oct 13 12:12:40.650 INFO kablam! 117 |         unsafe {
Oct 13 12:12:40.650 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Oct 13 12:12:40.650 INFO kablam!     |
Oct 13 12:12:40.650 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Oct 13 12:12:40.650 INFO kablam! 
Oct 13 12:12:40.652 INFO kablam! warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 13 12:12:40.652 INFO kablam!  --> src/lib.rs:1:58
Oct 13 12:12:40.652 INFO kablam!   |
Oct 13 12:12:40.652 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Oct 13 12:12:40.652 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Oct 13 12:12:40.652 INFO kablam!   |
Oct 13 12:12:40.652 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 12:12:40.652 INFO kablam! 
Oct 13 12:12:40.678 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Oct 13 12:12:40.680 INFO kablam! su: No module specific data is present
Oct 13 12:12:40.950 INFO running `"docker" "rm" "-f" "7942962a4fcba01f186bfbefbe41a1f6ae4166f8b90e69c77360b702f101aa00"`
Oct 13 12:12:41.102 INFO blam! 7942962a4fcba01f186bfbefbe41a1f6ae4166f8b90e69c77360b702f101aa00