Nov 01 19:58:00.479 INFO checking mcs-0.1.1 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 19:58:00.481 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Nov 01 19:58:00.861 INFO blam! 739e1de26863b5d5058569a72f5a177beb2906d67ffa9d5745385cf8c45932c6
Nov 01 19:58:00.873 INFO running `"docker" "start" "-a" "739e1de26863b5d5058569a72f5a177beb2906d67ffa9d5745385cf8c45932c6"`
Nov 01 19:58:01.735 INFO kablam! usermod: no changes
Nov 01 19:58:01.774 INFO kablam!     Checking mcs v0.1.1 (/source)
Nov 01 19:58:01.881 INFO kablam! warning: unnecessary `unsafe` block
Nov 01 19:58:01.881 INFO kablam!    --> src/mutex.rs:117:9
Nov 01 19:58:01.881 INFO kablam!     |
Nov 01 19:58:01.882 INFO kablam! 117 |         unsafe {
Nov 01 19:58:01.882 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Nov 01 19:58:01.882 INFO kablam!     |
Nov 01 19:58:01.882 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Nov 01 19:58:01.883 INFO kablam! 
Nov 01 19:58:01.883 INFO kablam! warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable
Nov 01 19:58:01.883 INFO kablam!  --> src/lib.rs:1:58
Nov 01 19:58:01.883 INFO kablam!   |
Nov 01 19:58:01.884 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Nov 01 19:58:01.884 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Nov 01 19:58:01.884 INFO kablam!   |
Nov 01 19:58:01.884 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 19:58:01.885 INFO kablam! 
Nov 01 19:58:02.508 INFO kablam! warning: unnecessary `unsafe` block
Nov 01 19:58:02.508 INFO kablam!    --> src/mutex.rs:117:9
Nov 01 19:58:02.508 INFO kablam!     |
Nov 01 19:58:02.508 INFO kablam! 117 |         unsafe {
Nov 01 19:58:02.508 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Nov 01 19:58:02.508 INFO kablam!     |
Nov 01 19:58:02.508 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Nov 01 19:58:02.508 INFO kablam! 
Nov 01 19:58:02.508 INFO kablam! warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable
Nov 01 19:58:02.508 INFO kablam!  --> src/lib.rs:1:58
Nov 01 19:58:02.508 INFO kablam!   |
Nov 01 19:58:02.508 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Nov 01 19:58:02.508 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Nov 01 19:58:02.508 INFO kablam!   |
Nov 01 19:58:02.508 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 19:58:02.508 INFO kablam! 
Nov 01 19:58:02.522 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Nov 01 19:58:02.524 INFO kablam! su: No module specific data is present
Nov 01 19:58:03.002 INFO running `"docker" "rm" "-f" "739e1de26863b5d5058569a72f5a177beb2906d67ffa9d5745385cf8c45932c6"`
Nov 01 19:58:03.251 INFO blam! 739e1de26863b5d5058569a72f5a177beb2906d67ffa9d5745385cf8c45932c6