Dec 12 12:21:16.031 INFO checking kth-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:21:16.031 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12:21:16.375 INFO [stdout] 1ca94b0609f0df3a5be579d1361d31156e41b04458d4b452eba3a9952d0a4943
Dec 12 12:21:16.377 INFO running `"docker" "start" "-a" "1ca94b0609f0df3a5be579d1361d31156e41b04458d4b452eba3a9952d0a4943"`
Dec 12 12:21:17.816 INFO [stderr] usermod: no changes
Dec 12 12:21:17.876 INFO [stderr] warning: `panic` setting is ignored for `test` profile
Dec 12 12:21:17.956 INFO [stderr]     Checking index-fixed v0.0.2
Dec 12 12:21:17.972 INFO [stderr]    Compiling kth v0.1.0 (/source)
Dec 12 12:21:21.808 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:21:21.808 INFO [stderr]   --> tests/slice.rs:34:17
Dec 12 12:21:21.808 INFO [stderr]    |
Dec 12 12:21:21.808 INFO [stderr] 34 |             let mut d = &mut d[..];
Dec 12 12:21:21.808 INFO [stderr]    |                 ----^
Dec 12 12:21:21.808 INFO [stderr]    |                 |
Dec 12 12:21:21.808 INFO [stderr]    |                 help: remove this `mut`
Dec 12 12:21:21.843 INFO [stderr]    |
Dec 12 12:21:21.843 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 12:21:21.843 INFO [stderr] 
Dec 12 12:21:21.843 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
Dec 12 12:21:21.843 INFO [stderr] su: No module specific data is present
Dec 12 12:21:22.235 INFO running `"docker" "inspect" "1ca94b0609f0df3a5be579d1361d31156e41b04458d4b452eba3a9952d0a4943"`
Dec 12 12:21:22.378 INFO running `"docker" "rm" "-f" "1ca94b0609f0df3a5be579d1361d31156e41b04458d4b452eba3a9952d0a4943"`
Dec 12 12:21:22.604 INFO [stdout] 1ca94b0609f0df3a5be579d1361d31156e41b04458d4b452eba3a9952d0a4943