[INFO] cloning repository https://github.com/Swatinem/aoc2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Swatinem/aoc2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwatinem%2Faoc2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwatinem%2Faoc2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27bcc5acd5f95fdaf6cc3cc37f0cb5c4f1405f41
[INFO] testing Swatinem/aoc2016 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwatinem%2Faoc2016" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Swatinem/aoc2016 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Swatinem/aoc2016
[INFO] finished tweaking git repo https://github.com/Swatinem/aoc2016
[INFO] tweaked toml for git repo https://github.com/Swatinem/aoc2016 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Swatinem/aoc2016 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e94315d531a363a5d32b36b586891e86668efa2a598d8f5f4c115ade9a388b0
[INFO] running `Command { std: "docker" "start" "-a" "0e94315d531a363a5d32b36b586891e86668efa2a598d8f5f4c115ade9a388b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e94315d531a363a5d32b36b586891e86668efa2a598d8f5f4c115ade9a388b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e94315d531a363a5d32b36b586891e86668efa2a598d8f5f4c115ade9a388b0", kill_on_drop: false }`
[INFO] [stdout] 0e94315d531a363a5d32b36b586891e86668efa2a598d8f5f4c115ade9a388b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 475bd62e4d8de82f5747111a0b62f9ca83c1126c8284193b75ae6cdd6e9e1604
[INFO] running `Command { std: "docker" "start" "-a" "475bd62e4d8de82f5747111a0b62f9ca83c1126c8284193b75ae6cdd6e9e1604", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day1b.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut input = input;
[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 0.60s
[INFO] running `Command { std: "docker" "inspect" "475bd62e4d8de82f5747111a0b62f9ca83c1126c8284193b75ae6cdd6e9e1604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475bd62e4d8de82f5747111a0b62f9ca83c1126c8284193b75ae6cdd6e9e1604", kill_on_drop: false }`
[INFO] [stdout] 475bd62e4d8de82f5747111a0b62f9ca83c1126c8284193b75ae6cdd6e9e1604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a5fbaec484dd223ac4e9dd59e237a0c25a516661cbbae7b14e9dbe31a83abf4
[INFO] running `Command { std: "docker" "start" "-a" "1a5fbaec484dd223ac4e9dd59e237a0c25a516661cbbae7b14e9dbe31a83abf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day1b.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut input = input;
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a5fbaec484dd223ac4e9dd59e237a0c25a516661cbbae7b14e9dbe31a83abf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5fbaec484dd223ac4e9dd59e237a0c25a516661cbbae7b14e9dbe31a83abf4", kill_on_drop: false }`
[INFO] [stdout] 1a5fbaec484dd223ac4e9dd59e237a0c25a516661cbbae7b14e9dbe31a83abf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c991f493fb6ef1f1fb222b1e67e3b268cab23708cbd765e2035f7e4488782e42
[INFO] running `Command { std: "docker" "start" "-a" "c991f493fb6ef1f1fb222b1e67e3b268cab23708cbd765e2035f7e4488782e42", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/day1b.rs:33:9
[INFO] [stdout] test day1a::test ... ok
[INFO] [stderr]    |
[INFO] [stdout] test day2b::test ... ok
[INFO] [stderr] 33 |     let mut input = input;
[INFO] [stdout] test day2a::test ... ok
[INFO] [stderr]    |         ----^^^^^
[INFO] [stdout] test day1b::test ... ok
[INFO] [stderr]    |         |
[INFO] [stdout] 
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2016` (bin "aoc2016" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc2016-bab31b2a7420ae4f)
[INFO] running `Command { std: "docker" "inspect" "c991f493fb6ef1f1fb222b1e67e3b268cab23708cbd765e2035f7e4488782e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c991f493fb6ef1f1fb222b1e67e3b268cab23708cbd765e2035f7e4488782e42", kill_on_drop: false }`
[INFO] [stdout] c991f493fb6ef1f1fb222b1e67e3b268cab23708cbd765e2035f7e4488782e42