[INFO] updating cached repository https://github.com/SteffenSunde/aoc_2018_rs
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e63cbdb6473c1bc47a600459fab74d510f8a9ebe
[INFO] testing SteffenSunde/aoc_2018_rs against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteffenSunde%2Faoc_2018_rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SteffenSunde/aoc_2018_rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87c2f08896502791bd6429be53966eb8e69ad411fa84f783a8e8eeaaf6155552
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87c2f08896502791bd6429be53966eb8e69ad411fa84f783a8e8eeaaf6155552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87c2f08896502791bd6429be53966eb8e69ad411fa84f783a8e8eeaaf6155552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c2f08896502791bd6429be53966eb8e69ad411fa84f783a8e8eeaaf6155552", kill_on_drop: false }`
[INFO] [stdout] 87c2f08896502791bd6429be53966eb8e69ad411fa84f783a8e8eeaaf6155552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb7c0ea7ff4c9c9adc86a3341e1f752ce2fc5680096cb21ad2d5c55415330b21
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb7c0ea7ff4c9c9adc86a3341e1f752ce2fc5680096cb21ad2d5c55415330b21", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc_2018_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day02.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut df2 = BufReader::new(&df2);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "eb7c0ea7ff4c9c9adc86a3341e1f752ce2fc5680096cb21ad2d5c55415330b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7c0ea7ff4c9c9adc86a3341e1f752ce2fc5680096cb21ad2d5c55415330b21", kill_on_drop: false }`
[INFO] [stdout] eb7c0ea7ff4c9c9adc86a3341e1f752ce2fc5680096cb21ad2d5c55415330b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c337cbe6a1d194e0c9e05aa610e8296d29e6271fb148e9edaf4d1d124a897a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c337cbe6a1d194e0c9e05aa610e8296d29e6271fb148e9edaf4d1d124a897a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc_2018_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day02.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut df2 = BufReader::new(&df2);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "4c337cbe6a1d194e0c9e05aa610e8296d29e6271fb148e9edaf4d1d124a897a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c337cbe6a1d194e0c9e05aa610e8296d29e6271fb148e9edaf4d1d124a897a7", kill_on_drop: false }`
[INFO] [stdout] 4c337cbe6a1d194e0c9e05aa610e8296d29e6271fb148e9edaf4d1d124a897a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d728e3d07e1c717384453e768955ca042ede39591cd6d9d6521867daa1f5b6d
[INFO] running `Command { std: "docker" "start" "-a" "6d728e3d07e1c717384453e768955ca042ede39591cd6d9d6521867daa1f5b6d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 4 tests
[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-6f06fe5e9483cfb7
[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 `Command { std: "docker" "inspect" "6d728e3d07e1c717384453e768955ca042ede39591cd6d9d6521867daa1f5b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d728e3d07e1c717384453e768955ca042ede39591cd6d9d6521867daa1f5b6d", kill_on_drop: false }`
[INFO] [stdout] 6d728e3d07e1c717384453e768955ca042ede39591cd6d9d6521867daa1f5b6d