Dec 12 12:35:52.188 INFO checking jobsteal-0.5.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 12:35:52.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 12:35:52.628 INFO [stdout] 18e0c4bc03dccd79f917cab27a359abf3550603155f7a8580aa54fbafb4ec7c4
Dec 12 12:35:52.636 INFO running `"docker" "start" "-a" "18e0c4bc03dccd79f917cab27a359abf3550603155f7a8580aa54fbafb4ec7c4"`
Dec 12 12:35:53.622 INFO [stderr] usermod: no changes
Dec 12 12:35:53.674 INFO [stderr]     Checking jobsteal v0.5.1 (/source)
Dec 12 12:35:54.792 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:35:54.793 INFO [stderr]   --> src/arena.rs:62:13
Dec 12 12:35:54.793 INFO [stderr]    |
Dec 12 12:35:54.793 INFO [stderr] 62 |         let mut buf = self.buf.get();
Dec 12 12:35:54.793 INFO [stderr]    |             ----^^^
Dec 12 12:35:54.794 INFO [stderr]    |             |
Dec 12 12:35:54.794 INFO [stderr]    |             help: remove this `mut`
Dec 12 12:35:54.800 INFO [stderr]    |
Dec 12 12:35:54.800 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 12:35:54.800 INFO [stderr] 
Dec 12 12:35:55.416 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:35:55.416 INFO [stderr]   --> src/arena.rs:62:13
Dec 12 12:35:55.416 INFO [stderr]    |
Dec 12 12:35:55.416 INFO [stderr] 62 |         let mut buf = self.buf.get();
Dec 12 12:35:55.416 INFO [stderr]    |             ----^^^
Dec 12 12:35:55.416 INFO [stderr]    |             |
Dec 12 12:35:55.416 INFO [stderr]    |             help: remove this `mut`
Dec 12 12:35:55.416 INFO [stderr]    |
Dec 12 12:35:55.416 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 12:35:55.416 INFO [stderr] 
Dec 12 12:35:55.583 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Dec 12 12:35:55.591 INFO [stderr] su: No module specific data is present
Dec 12 12:35:55.990 INFO running `"docker" "inspect" "18e0c4bc03dccd79f917cab27a359abf3550603155f7a8580aa54fbafb4ec7c4"`
Dec 12 12:35:56.082 INFO running `"docker" "rm" "-f" "18e0c4bc03dccd79f917cab27a359abf3550603155f7a8580aa54fbafb4ec7c4"`
Dec 12 12:35:56.164 INFO [stdout] 18e0c4bc03dccd79f917cab27a359abf3550603155f7a8580aa54fbafb4ec7c4