Dec 18 05:36:33.764 INFO checking Ryan1729/prop-proc-prog-puzz against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:36:33.764 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Ryan1729/prop-proc-prog-puzz:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:36:34.061 INFO [stdout] cb04e357c05c2c2dd251c1027bb60f01bb82e8f49380049f7c111c846d094f04
Dec 18 05:36:34.063 INFO running `"docker" "start" "-a" "cb04e357c05c2c2dd251c1027bb60f01bb82e8f49380049f7c111c846d094f04"`
Dec 18 05:36:35.132 INFO [stderr]     Checking prop_proc_prog_puzz v0.1.0 (/opt/crater/workdir)
Dec 18 05:36:35.132 INFO [stderr]     Checking quickcheck v0.3.2
Dec 18 05:36:35.641 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:36:35.641 INFO [stderr]   --> src/main.rs:69:20
Dec 18 05:36:35.641 INFO [stderr]    |
Dec 18 05:36:35.641 INFO [stderr] 69 |         example: &|mut rng| match rng.gen::<u8>() % 3 {
Dec 18 05:36:35.641 INFO [stderr]    |                    ----^^^
Dec 18 05:36:35.641 INFO [stderr]    |                    |
Dec 18 05:36:35.641 INFO [stderr]    |                    help: remove this `mut`
Dec 18 05:36:35.641 INFO [stderr]    |
Dec 18 05:36:35.641 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:36:35.641 INFO [stderr] 
Dec 18 05:36:36.792 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:36:36.792 INFO [stderr]   --> src/main.rs:69:20
Dec 18 05:36:36.792 INFO [stderr]    |
Dec 18 05:36:36.792 INFO [stderr] 69 |         example: &|mut rng| match rng.gen::<u8>() % 3 {
Dec 18 05:36:36.792 INFO [stderr]    |                    ----^^^
Dec 18 05:36:36.792 INFO [stderr]    |                    |
Dec 18 05:36:36.792 INFO [stderr]    |                    help: remove this `mut`
Dec 18 05:36:36.792 INFO [stderr]    |
Dec 18 05:36:36.792 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:36:36.792 INFO [stderr] 
Dec 18 05:36:36.864 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
Dec 18 05:36:37.403 INFO running `"docker" "inspect" "cb04e357c05c2c2dd251c1027bb60f01bb82e8f49380049f7c111c846d094f04"`
Dec 18 05:36:37.678 INFO running `"docker" "rm" "-f" "cb04e357c05c2c2dd251c1027bb60f01bb82e8f49380049f7c111c846d094f04"`
Dec 18 05:36:38.012 INFO [stdout] cb04e357c05c2c2dd251c1027bb60f01bb82e8f49380049f7c111c846d094f04