Dec 05 11:31:22.693 INFO checking jobsteal-0.5.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:31:22.693 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 11:31:23.243 INFO [stdout] 373c90cde45ef05c3f1cab34e1cf3cffc5b8251d28f53a14ffc4892e07840d9f
Dec 05 11:31:23.248 INFO running `"docker" "start" "-a" "373c90cde45ef05c3f1cab34e1cf3cffc5b8251d28f53a14ffc4892e07840d9f"`
Dec 05 11:31:24.790 INFO [stderr] usermod: no changes
Dec 05 11:31:24.915 INFO [stderr]     Checking jobsteal v0.5.1 (/source)
Dec 05 11:31:26.671 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:31:26.671 INFO [stderr]   --> src/arena.rs:62:13
Dec 05 11:31:26.671 INFO [stderr]    |
Dec 05 11:31:26.671 INFO [stderr] 62 |         let mut buf = self.buf.get();
Dec 05 11:31:26.671 INFO [stderr]    |             ----^^^
Dec 05 11:31:26.671 INFO [stderr]    |             |
Dec 05 11:31:26.671 INFO [stderr]    |             help: remove this `mut`
Dec 05 11:31:26.671 INFO [stderr]    |
Dec 05 11:31:26.671 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:31:26.671 INFO [stderr] 
Dec 05 11:31:27.347 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:31:27.347 INFO [stderr]   --> src/arena.rs:62:13
Dec 05 11:31:27.347 INFO [stderr]    |
Dec 05 11:31:27.347 INFO [stderr] 62 |         let mut buf = self.buf.get();
Dec 05 11:31:27.347 INFO [stderr]    |             ----^^^
Dec 05 11:31:27.347 INFO [stderr]    |             |
Dec 05 11:31:27.347 INFO [stderr]    |             help: remove this `mut`
Dec 05 11:31:27.347 INFO [stderr]    |
Dec 05 11:31:27.347 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:31:27.347 INFO [stderr] 
Dec 05 11:31:27.531 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Dec 05 11:31:27.539 INFO [stderr] su: No module specific data is present
Dec 05 11:31:28.268 INFO running `"docker" "inspect" "373c90cde45ef05c3f1cab34e1cf3cffc5b8251d28f53a14ffc4892e07840d9f"`
Dec 05 11:31:28.503 INFO running `"docker" "rm" "-f" "373c90cde45ef05c3f1cab34e1cf3cffc5b8251d28f53a14ffc4892e07840d9f"`
Dec 05 11:31:28.867 INFO [stdout] 373c90cde45ef05c3f1cab34e1cf3cffc5b8251d28f53a14ffc4892e07840d9f