Dec 01 01:18:58.601 INFO checking buffoon-0.5.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Dec 01 01:18:58.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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"`
Dec 01 01:18:58.872 INFO [stdout] b5abc8cb66843f98e2703ff4946e0f250535ccab457358ad3c4869ab35d61869
Dec 01 01:18:58.917 INFO running `"docker" "start" "-a" "b5abc8cb66843f98e2703ff4946e0f250535ccab457358ad3c4869ab35d61869"`
Dec 01 01:19:00.280 INFO [stderr] usermod: no changes
Dec 01 01:19:00.388 INFO [stderr]     Checking buffoon v0.5.0 (/source)
Dec 01 01:19:01.932 INFO [stderr] warning: variable does not need to be mutable
Dec 01 01:19:01.932 INFO [stderr]    --> src/input_stream.rs:104:17
Dec 01 01:19:01.932 INFO [stderr]     |
Dec 01 01:19:01.932 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Dec 01 01:19:01.932 INFO [stderr]     |                 ----^^^
Dec 01 01:19:01.932 INFO [stderr]     |                 |
Dec 01 01:19:01.932 INFO [stderr]     |                 help: remove this `mut`
Dec 01 01:19:01.932 INFO [stderr]     |
Dec 01 01:19:01.932 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 01:19:01.932 INFO [stderr] 
Dec 01 01:19:02.224 INFO [stderr] warning: variable does not need to be mutable
Dec 01 01:19:02.224 INFO [stderr]    --> src/input_stream.rs:104:17
Dec 01 01:19:02.224 INFO [stderr]     |
Dec 01 01:19:02.224 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Dec 01 01:19:02.224 INFO [stderr]     |                 ----^^^
Dec 01 01:19:02.224 INFO [stderr]     |                 |
Dec 01 01:19:02.224 INFO [stderr]     |                 help: remove this `mut`
Dec 01 01:19:02.224 INFO [stderr]     |
Dec 01 01:19:02.224 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 01:19:02.224 INFO [stderr] 
Dec 01 01:19:02.320 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
Dec 01 01:19:02.320 INFO [stderr] su: No module specific data is present
Dec 01 01:19:02.916 INFO running `"docker" "inspect" "b5abc8cb66843f98e2703ff4946e0f250535ccab457358ad3c4869ab35d61869"`
Dec 01 01:19:03.074 INFO running `"docker" "rm" "-f" "b5abc8cb66843f98e2703ff4946e0f250535ccab457358ad3c4869ab35d61869"`
Dec 01 01:19:03.248 INFO [stdout] b5abc8cb66843f98e2703ff4946e0f250535ccab457358ad3c4869ab35d61869