Dec 18 16:39:14.548 INFO checking eve-0.1.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:39:14.549 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/eve/0.1.1:/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 16:39:14.836 INFO [stdout] 19ea8c8b1d2e834f231dd382cbac4544eaa036c6549a2b61458714aca15f0a16
Dec 18 16:39:14.844 INFO running `"docker" "start" "-a" "19ea8c8b1d2e834f231dd382cbac4544eaa036c6549a2b61458714aca15f0a16"`
Dec 18 16:39:15.828 INFO [stderr]     Checking dir-diff v0.3.1
Dec 18 16:39:15.828 INFO [stderr]     Checking dotenv v0.13.0
Dec 18 16:39:16.502 INFO [stderr]     Checking eve v0.1.1 (/opt/crater/workdir)
Dec 18 16:39:17.876 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:39:17.876 INFO [stderr]   --> src/main.rs:37:9
Dec 18 16:39:17.876 INFO [stderr]    |
Dec 18 16:39:17.876 INFO [stderr] 37 |     let mut eve = if let Some(env) = file_option {
Dec 18 16:39:17.876 INFO [stderr]    |         ----^^^
Dec 18 16:39:17.876 INFO [stderr]    |         |
Dec 18 16:39:17.876 INFO [stderr]    |         help: remove this `mut`
Dec 18 16:39:17.876 INFO [stderr]    |
Dec 18 16:39:17.876 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 16:39:17.876 INFO [stderr] 
Dec 18 16:39:18.160 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:39:18.160 INFO [stderr]   --> src/main.rs:37:9
Dec 18 16:39:18.160 INFO [stderr]    |
Dec 18 16:39:18.160 INFO [stderr] 37 |     let mut eve = if let Some(env) = file_option {
Dec 18 16:39:18.160 INFO [stderr]    |         ----^^^
Dec 18 16:39:18.160 INFO [stderr]    |         |
Dec 18 16:39:18.160 INFO [stderr]    |         help: remove this `mut`
Dec 18 16:39:18.160 INFO [stderr]    |
Dec 18 16:39:18.160 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 16:39:18.160 INFO [stderr] 
Dec 18 16:39:18.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
Dec 18 16:39:18.546 INFO running `"docker" "inspect" "19ea8c8b1d2e834f231dd382cbac4544eaa036c6549a2b61458714aca15f0a16"`
Dec 18 16:39:18.675 INFO running `"docker" "rm" "-f" "19ea8c8b1d2e834f231dd382cbac4544eaa036c6549a2b61458714aca15f0a16"`
Dec 18 16:39:18.771 INFO [stdout] 19ea8c8b1d2e834f231dd382cbac4544eaa036c6549a2b61458714aca15f0a16