[INFO] updating cached repository https://github.com/SteffenSunde/aoc_2018_rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteffenSunde%2Faoc_2018_rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SteffenSunde/aoc_2018_rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 /workspace/builds/worker-2/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 476abd8286918dbb6cc263ea7a3c65cd268e604289e0fa15dc231ad62b08330b
[INFO] running `"docker" "start" "-a" "476abd8286918dbb6cc263ea7a3c65cd268e604289e0fa15dc231ad62b08330b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "476abd8286918dbb6cc263ea7a3c65cd268e604289e0fa15dc231ad62b08330b"`
[INFO] running `"docker" "rm" "-f" "476abd8286918dbb6cc263ea7a3c65cd268e604289e0fa15dc231ad62b08330b"`
[INFO] [stdout] 476abd8286918dbb6cc263ea7a3c65cd268e604289e0fa15dc231ad62b08330b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc3d6d323ddd2f7408a91e221b6f9bb6e8a94471102f3780f649e7dc395efc42
[INFO] running `"docker" "start" "-a" "cc3d6d323ddd2f7408a91e221b6f9bb6e8a94471102f3780f649e7dc395efc42"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "cc3d6d323ddd2f7408a91e221b6f9bb6e8a94471102f3780f649e7dc395efc42"`
[INFO] running `"docker" "rm" "-f" "cc3d6d323ddd2f7408a91e221b6f9bb6e8a94471102f3780f649e7dc395efc42"`
[INFO] [stdout] cc3d6d323ddd2f7408a91e221b6f9bb6e8a94471102f3780f649e7dc395efc42
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd31cf092b279d7b21ad3bf8d70c83abfdc791ab90bafcca8a84aab0a17ff901
[INFO] running `"docker" "start" "-a" "cd31cf092b279d7b21ad3bf8d70c83abfdc791ab90bafcca8a84aab0a17ff901"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aoc_2018_rs-50afcf53d9a814d2
[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" "cd31cf092b279d7b21ad3bf8d70c83abfdc791ab90bafcca8a84aab0a17ff901"`
[INFO] running `"docker" "rm" "-f" "cd31cf092b279d7b21ad3bf8d70c83abfdc791ab90bafcca8a84aab0a17ff901"`
[INFO] [stdout] cd31cf092b279d7b21ad3bf8d70c83abfdc791ab90bafcca8a84aab0a17ff901