Dec 19 10:37:03.903 INFO checking qjojo/rustkov against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:37:03.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/qjojo/rustkov:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:37:04.548 INFO [stdout] be8e5dbe3553f95abac329613ab5fa4c5b7f0f4132961cb2a379596c504f089e
Dec 19 10:37:04.556 INFO running `"docker" "start" "-a" "be8e5dbe3553f95abac329613ab5fa4c5b7f0f4132961cb2a379596c504f089e"`
Dec 19 10:37:06.220 INFO [stderr]     Checking rustkov v0.1.0 (/opt/crater/workdir)
Dec 19 10:37:06.548 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:37:06.548 INFO [stderr]   --> src/main.rs:33:13
Dec 19 10:37:06.548 INFO [stderr]    |
Dec 19 10:37:06.548 INFO [stderr] 33 |         let mut val = rng.gen_range(0.0, 1.0);
Dec 19 10:37:06.548 INFO [stderr]    |             ----^^^
Dec 19 10:37:06.548 INFO [stderr]    |             |
Dec 19 10:37:06.548 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:37:06.548 INFO [stderr]    |
Dec 19 10:37:06.548 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 10:37:06.548 INFO [stderr] 
Dec 19 10:37:06.572 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:37:06.572 INFO [stderr]   --> src/main.rs:33:13
Dec 19 10:37:06.572 INFO [stderr]    |
Dec 19 10:37:06.572 INFO [stderr] 33 |         let mut val = rng.gen_range(0.0, 1.0);
Dec 19 10:37:06.572 INFO [stderr]    |             ----^^^
Dec 19 10:37:06.572 INFO [stderr]    |             |
Dec 19 10:37:06.572 INFO [stderr]    |             help: remove this `mut`
Dec 19 10:37:06.572 INFO [stderr]    |
Dec 19 10:37:06.572 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 10:37:06.572 INFO [stderr] 
Dec 19 10:37:06.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 19 10:37:07.252 INFO running `"docker" "inspect" "be8e5dbe3553f95abac329613ab5fa4c5b7f0f4132961cb2a379596c504f089e"`
Dec 19 10:37:07.500 INFO running `"docker" "rm" "-f" "be8e5dbe3553f95abac329613ab5fa4c5b7f0f4132961cb2a379596c504f089e"`
Dec 19 10:37:07.784 INFO [stdout] be8e5dbe3553f95abac329613ab5fa4c5b7f0f4132961cb2a379596c504f089e