Nov 01 19:58:00.151 INFO checking mcs-0.1.1 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 19:58:00.153 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 19:58:00.592 INFO blam! b7375be12d4a68fab8fe56c8c433de6d8294550ae42bacce0578b5559cf5b20d
Nov 01 19:58:00.594 INFO running `"docker" "start" "-a" "b7375be12d4a68fab8fe56c8c433de6d8294550ae42bacce0578b5559cf5b20d"`
Nov 01 19:58:01.428 INFO kablam! usermod: no changes
Nov 01 19:58:01.512 INFO kablam!     Checking mcs v0.1.1 (/source)
Nov 01 19:58:01.704 INFO kablam! warning: unnecessary `unsafe` block
Nov 01 19:58:01.704 INFO kablam!    --> src/mutex.rs:117:9
Nov 01 19:58:01.705 INFO kablam!     |
Nov 01 19:58:01.705 INFO kablam! 117 |         unsafe {
Nov 01 19:58:01.705 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Nov 01 19:58:01.706 INFO kablam!     |
Nov 01 19:58:01.706 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Nov 01 19:58:01.706 INFO kablam! 
Nov 01 19:58:01.707 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 19:58:01.707 INFO kablam!  --> src/lib.rs:1:58
Nov 01 19:58:01.707 INFO kablam!   |
Nov 01 19:58:01.707 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Nov 01 19:58:01.708 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Nov 01 19:58:01.708 INFO kablam!   |
Nov 01 19:58:01.708 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 19:58:01.709 INFO kablam! 
Nov 01 19:58:02.364 INFO kablam! warning: unnecessary `unsafe` block
Nov 01 19:58:02.365 INFO kablam!    --> src/mutex.rs:117:9
Nov 01 19:58:02.365 INFO kablam!     |
Nov 01 19:58:02.365 INFO kablam! 117 |         unsafe {
Nov 01 19:58:02.365 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Nov 01 19:58:02.366 INFO kablam!     |
Nov 01 19:58:02.366 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Nov 01 19:58:02.366 INFO kablam! 
Nov 01 19:58:02.366 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 19:58:02.366 INFO kablam!  --> src/lib.rs:1:58
Nov 01 19:58:02.366 INFO kablam!   |
Nov 01 19:58:02.367 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Nov 01 19:58:02.367 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Nov 01 19:58:02.367 INFO kablam!   |
Nov 01 19:58:02.367 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 19:58:02.367 INFO kablam! 
Nov 01 19:58:02.391 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Nov 01 19:58:02.392 INFO kablam! su: No module specific data is present
Nov 01 19:58:02.837 INFO running `"docker" "rm" "-f" "b7375be12d4a68fab8fe56c8c433de6d8294550ae42bacce0578b5559cf5b20d"`
Nov 01 19:58:03.086 INFO blam! b7375be12d4a68fab8fe56c8c433de6d8294550ae42bacce0578b5559cf5b20d