Sep 10 14:47:22.258 INFO checking mcs-0.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:47:22.258 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:47:22.258 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:47:22.466 INFO blam! 6961c1df74999747761d90d9040307ac3f159dd1e19f43314be9a6038a7a1708
Sep 10 14:47:22.468 INFO running `"docker" "start" "-a" "6961c1df74999747761d90d9040307ac3f159dd1e19f43314be9a6038a7a1708"`
Sep 10 14:47:23.595 INFO kablam! usermod: no changes
Sep 10 14:47:23.622 INFO kablam!     Checking mcs v0.1.1 (file:///source)
Sep 10 14:47:23.726 INFO kablam! warning: unnecessary `unsafe` block
Sep 10 14:47:23.726 INFO kablam!    --> src/mutex.rs:117:9
Sep 10 14:47:23.726 INFO kablam!     |
Sep 10 14:47:23.726 INFO kablam! 117 |         unsafe {
Sep 10 14:47:23.726 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Sep 10 14:47:23.726 INFO kablam!     |
Sep 10 14:47:23.726 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Sep 10 14:47:23.726 INFO kablam! 
Sep 10 14:47:23.726 INFO kablam! warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable
Sep 10 14:47:23.726 INFO kablam!  --> src/lib.rs:1:58
Sep 10 14:47:23.726 INFO kablam!   |
Sep 10 14:47:23.726 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Sep 10 14:47:23.726 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Sep 10 14:47:23.726 INFO kablam!   |
Sep 10 14:47:23.726 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 14:47:23.727 INFO kablam! 
Sep 10 14:47:24.038 INFO kablam! warning: unnecessary `unsafe` block
Sep 10 14:47:24.038 INFO kablam!    --> src/mutex.rs:117:9
Sep 10 14:47:24.038 INFO kablam!     |
Sep 10 14:47:24.038 INFO kablam! 117 |         unsafe {
Sep 10 14:47:24.038 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Sep 10 14:47:24.038 INFO kablam!     |
Sep 10 14:47:24.038 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Sep 10 14:47:24.038 INFO kablam! 
Sep 10 14:47:24.038 INFO kablam! warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable
Sep 10 14:47:24.038 INFO kablam!  --> src/lib.rs:1:58
Sep 10 14:47:24.038 INFO kablam!   |
Sep 10 14:47:24.038 INFO kablam! 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))]
Sep 10 14:47:24.038 INFO kablam!   |                                                          ^^^^^^^^^^^^^^^^^^^
Sep 10 14:47:24.038 INFO kablam!   |
Sep 10 14:47:24.038 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 14:47:24.038 INFO kablam! 
Sep 10 14:47:24.070 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Sep 10 14:47:24.070 INFO kablam! su: No module specific data is present
Sep 10 14:47:24.667 INFO running `"docker" "rm" "-f" "6961c1df74999747761d90d9040307ac3f159dd1e19f43314be9a6038a7a1708"`
Sep 10 14:47:24.769 INFO blam! 6961c1df74999747761d90d9040307ac3f159dd1e19f43314be9a6038a7a1708