Dec 01 00:51:59.288 INFO checking cbuf-0.1.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Dec 01 00:51:59.288 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 00:51:59.768 INFO [stdout] 681fcd84d58826c08858f184e6820d836406455a53e53cf577412639ec020753
Dec 01 00:51:59.774 INFO running `"docker" "start" "-a" "681fcd84d58826c08858f184e6820d836406455a53e53cf577412639ec020753"`
Dec 01 00:52:01.179 INFO [stderr] usermod: no changes
Dec 01 00:52:01.251 INFO [stderr]     Checking cbuf v0.1.1 (/source)
Dec 01 00:52:02.288 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:52:02.288 INFO [stderr]    --> src/lib.rs:235:13
Dec 01 00:52:02.288 INFO [stderr]     |
Dec 01 00:52:02.288 INFO [stderr] 235 |         let mut buf = &mut [0u8, 2];
Dec 01 00:52:02.288 INFO [stderr]     |             ----^^^
Dec 01 00:52:02.288 INFO [stderr]     |             |
Dec 01 00:52:02.288 INFO [stderr]     |             help: remove this `mut`
Dec 01 00:52:02.288 INFO [stderr]     |
Dec 01 00:52:02.288 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 00:52:02.288 INFO [stderr] 
Dec 01 00:52:02.292 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:52:02.292 INFO [stderr]    --> src/lib.rs:266:13
Dec 01 00:52:02.292 INFO [stderr]     |
Dec 01 00:52:02.292 INFO [stderr] 266 |         let mut buf = &mut [0u8, 0u8];
Dec 01 00:52:02.292 INFO [stderr]     |             ----^^^
Dec 01 00:52:02.292 INFO [stderr]     |             |
Dec 01 00:52:02.292 INFO [stderr]     |             help: remove this `mut`
Dec 01 00:52:02.292 INFO [stderr] 
Dec 01 00:52:02.296 INFO [stderr] warning: variable does not need to be mutable
Dec 01 00:52:02.296 INFO [stderr]    --> src/lib.rs:298:13
Dec 01 00:52:02.296 INFO [stderr]     |
Dec 01 00:52:02.296 INFO [stderr] 298 |         let mut buf = &mut [0u8, 0u8];
Dec 01 00:52:02.296 INFO [stderr]     |             ----^^^
Dec 01 00:52:02.296 INFO [stderr]     |             |
Dec 01 00:52:02.296 INFO [stderr]     |             help: remove this `mut`
Dec 01 00:52:02.296 INFO [stderr] 
Dec 01 00:52:02.329 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 01 00:52:02.331 INFO [stderr] su: No module specific data is present
Dec 01 00:52:02.964 INFO running `"docker" "inspect" "681fcd84d58826c08858f184e6820d836406455a53e53cf577412639ec020753"`
Dec 01 00:52:03.184 INFO running `"docker" "rm" "-f" "681fcd84d58826c08858f184e6820d836406455a53e53cf577412639ec020753"`
Dec 01 00:52:03.628 INFO [stdout] 681fcd84d58826c08858f184e6820d836406455a53e53cf577412639ec020753