[INFO] updating cached repository https://github.com/SteffenSunde/aoc_2018_rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e63cbdb6473c1bc47a600459fab74d510f8a9ebe
[INFO] testing SteffenSunde/aoc_2018_rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteffenSunde%2Faoc_2018_rs" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SteffenSunde/aoc_2018_rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SteffenSunde/aoc_2018_rs
[INFO] finished tweaking git repo https://github.com/SteffenSunde/aoc_2018_rs
[INFO] tweaked toml for git repo https://github.com/SteffenSunde/aoc_2018_rs written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/SteffenSunde/aoc_2018_rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] ff06321d46cc78aca2271c8f446cbae7bc68a3af1b53f6d62853eadf8b70795f
[INFO] running `"docker" "start" "-a" "ff06321d46cc78aca2271c8f446cbae7bc68a3af1b53f6d62853eadf8b70795f"`
[INFO] [stderr]    Compiling aoc_2018_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day02.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut df2 = BufReader::new(&df2);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "ff06321d46cc78aca2271c8f446cbae7bc68a3af1b53f6d62853eadf8b70795f"`
[INFO] running `"docker" "rm" "-f" "ff06321d46cc78aca2271c8f446cbae7bc68a3af1b53f6d62853eadf8b70795f"`
[INFO] [stdout] ff06321d46cc78aca2271c8f446cbae7bc68a3af1b53f6d62853eadf8b70795f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2d03a388b447b05ddb300aed908c06cf41cd8e7ceb85db817ead6788dfc1c8ef
[INFO] running `"docker" "start" "-a" "2d03a388b447b05ddb300aed908c06cf41cd8e7ceb85db817ead6788dfc1c8ef"`
[INFO] [stderr]    Compiling aoc_2018_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day02.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut df2 = BufReader::new(&df2);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "2d03a388b447b05ddb300aed908c06cf41cd8e7ceb85db817ead6788dfc1c8ef"`
[INFO] running `"docker" "rm" "-f" "2d03a388b447b05ddb300aed908c06cf41cd8e7ceb85db817ead6788dfc1c8ef"`
[INFO] [stdout] 2d03a388b447b05ddb300aed908c06cf41cd8e7ceb85db817ead6788dfc1c8ef
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 746fba7c94c3fee0fab7fbfbcbcc352ae4aa16e8fde4f0e62c077fda45b753ec
[INFO] running `"docker" "start" "-a" "746fba7c94c3fee0fab7fbfbcbcc352ae4aa16e8fde4f0e62c077fda45b753ec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aoc_2018_rs-93eae9659a9b24e7
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test day01::tests::test_part1 ... ok
[INFO] [stdout] test day02::tests::test_part1 ... ok
[INFO] [stdout] test day02::tests::test_part2 ... ok
[INFO] [stdout] test day01::tests::test_part2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "746fba7c94c3fee0fab7fbfbcbcc352ae4aa16e8fde4f0e62c077fda45b753ec"`
[INFO] running `"docker" "rm" "-f" "746fba7c94c3fee0fab7fbfbcbcc352ae4aa16e8fde4f0e62c077fda45b753ec"`
[INFO] [stdout] 746fba7c94c3fee0fab7fbfbcbcc352ae4aa16e8fde4f0e62c077fda45b753ec