Nov 30 16:08:31.416 INFO checking rusty-sandbox-0.1.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 16:08:31.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 16:08:31.897 INFO [stdout] ecc18a2783b5bcb132fd252cf46fe1ececdc7fd0734a40334e8a384c6c046f3e
Nov 30 16:08:31.902 INFO running `"docker" "start" "-a" "ecc18a2783b5bcb132fd252cf46fe1ececdc7fd0734a40334e8a384c6c046f3e"`
Nov 30 16:08:33.192 INFO [stderr] usermod: no changes
Nov 30 16:08:33.272 INFO [stderr]     Checking rusty-sandbox v0.1.0 (/source)
Nov 30 16:08:34.212 INFO [stderr] warning: variable does not need to be mutable
Nov 30 16:08:34.212 INFO [stderr]    --> src/lib.rs:116:13
Nov 30 16:08:34.212 INFO [stderr]     |
Nov 30 16:08:34.212 INFO [stderr] 116 |         let mut f = File::open("UNLICENSE").unwrap();
Nov 30 16:08:34.212 INFO [stderr]     |             ----^
Nov 30 16:08:34.212 INFO [stderr]     |             |
Nov 30 16:08:34.212 INFO [stderr]     |             help: remove this `mut`
Nov 30 16:08:34.212 INFO [stderr]     |
Nov 30 16:08:34.212 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 16:08:34.212 INFO [stderr] 
Nov 30 16:08:34.212 INFO [stderr] warning: variable does not need to be mutable
Nov 30 16:08:34.212 INFO [stderr]    --> src/lib.rs:117:13
Nov 30 16:08:34.212 INFO [stderr]     |
Nov 30 16:08:34.212 INFO [stderr] 117 |         let mut process = Sandbox::new()
Nov 30 16:08:34.212 INFO [stderr]     |             ----^^^^^^^
Nov 30 16:08:34.212 INFO [stderr]     |             |
Nov 30 16:08:34.212 INFO [stderr]     |             help: remove this `mut`
Nov 30 16:08:34.213 INFO [stderr] 
Nov 30 16:08:34.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Nov 30 16:08:34.272 INFO [stderr] su: No module specific data is present
Nov 30 16:08:34.755 INFO running `"docker" "inspect" "ecc18a2783b5bcb132fd252cf46fe1ececdc7fd0734a40334e8a384c6c046f3e"`
Nov 30 16:08:34.978 INFO running `"docker" "rm" "-f" "ecc18a2783b5bcb132fd252cf46fe1ececdc7fd0734a40334e8a384c6c046f3e"`
Nov 30 16:08:35.182 INFO [stdout] ecc18a2783b5bcb132fd252cf46fe1ececdc7fd0734a40334e8a384c6c046f3e