[INFO] cloning repository https://github.com/seamusriordan/advent-of-code-2021-day-06-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seamusriordan/advent-of-code-2021-day-06-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseamusriordan%2Fadvent-of-code-2021-day-06-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseamusriordan%2Fadvent-of-code-2021-day-06-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b61df6cfeba4ede2d6c37990f53a4eb9784dd0c1
[INFO] testing seamusriordan/advent-of-code-2021-day-06-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseamusriordan%2Fadvent-of-code-2021-day-06-rust" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seamusriordan/advent-of-code-2021-day-06-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seamusriordan/advent-of-code-2021-day-06-rust
[INFO] finished tweaking git repo https://github.com/seamusriordan/advent-of-code-2021-day-06-rust
[INFO] tweaked toml for git repo https://github.com/seamusriordan/advent-of-code-2021-day-06-rust written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate git repo https://github.com/seamusriordan/advent-of-code-2021-day-06-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96fe19ac16288bdeec388074c1e918ef1b969f7244b5b6f8bdc221a4210b282b
[INFO] running `Command { std: "docker" "start" "-a" "96fe19ac16288bdeec388074c1e918ef1b969f7244b5b6f8bdc221a4210b282b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96fe19ac16288bdeec388074c1e918ef1b969f7244b5b6f8bdc221a4210b282b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fe19ac16288bdeec388074c1e918ef1b969f7244b5b6f8bdc221a4210b282b", kill_on_drop: false }`
[INFO] [stdout] 96fe19ac16288bdeec388074c1e918ef1b969f7244b5b6f8bdc221a4210b282b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f9f1849e7cb9fbce64ed2d093cf409e72ee861fb25a0f26ba098006127c9098
[INFO] running `Command { std: "docker" "start" "-a" "1f9f1849e7cb9fbce64ed2d093cf409e72ee861fb25a0f26ba098006127c9098", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling day-06-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut state = vec![2,1,1,4,4,1,3,4,2,4,2,1,1,4,3,5,1,1,5,1,1,5,4,5,4,1,5,1,3,1,4,2,3,2,1,2,5,5,2,3,1,2,3,3,1,4,3,1,1,1,1,5,2,1,1,1,...
[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 2.90s
[INFO] running `Command { std: "docker" "inspect" "1f9f1849e7cb9fbce64ed2d093cf409e72ee861fb25a0f26ba098006127c9098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9f1849e7cb9fbce64ed2d093cf409e72ee861fb25a0f26ba098006127c9098", kill_on_drop: false }`
[INFO] [stdout] 1f9f1849e7cb9fbce64ed2d093cf409e72ee861fb25a0f26ba098006127c9098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac469e18ed897ae5a4d7adaac66d80691e3ce4186f4fc8fd06a0ef6d55f7deb
[INFO] running `Command { std: "docker" "start" "-a" "dac469e18ed897ae5a4d7adaac66d80691e3ce4186f4fc8fd06a0ef6d55f7deb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling day-06-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut state = vec![2,1,1,4,4,1,3,4,2,4,2,1,1,4,3,5,1,1,5,1,1,5,4,5,4,1,5,1,3,1,4,2,3,2,1,2,5,5,2,3,1,2,3,3,1,4,3,1,1,1,1,5,2,1,1,1,...
[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 1.63s
[INFO] running `Command { std: "docker" "inspect" "dac469e18ed897ae5a4d7adaac66d80691e3ce4186f4fc8fd06a0ef6d55f7deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac469e18ed897ae5a4d7adaac66d80691e3ce4186f4fc8fd06a0ef6d55f7deb", kill_on_drop: false }`
[INFO] [stdout] dac469e18ed897ae5a4d7adaac66d80691e3ce4186f4fc8fd06a0ef6d55f7deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9564ebf10d0d157a02861ff45f9620fc8e19a66bf33edb7088bf3916d2fc970
[INFO] running `Command { std: "docker" "start" "-a" "c9564ebf10d0d157a02861ff45f9620fc8e19a66bf33edb7088bf3916d2fc970", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stdout] running 3 tests
[INFO] [stderr]   |
[INFO] [stdout] test tests::tests::example_18_days_gives_26 ... ok
[INFO] [stderr] 4 |     let mut state = vec![2,1,1,4,4,1,3,4,2,4,2,1,1,4,3,5,1,1,5,1,1,5,4,5,4,1,5,1,3,1,4,2,3,2,1,2,5,5,2,3,1,2,3,3,1,4,3,1,1,1,1,5,2,1,1,1,...
[INFO] [stdout] test tests::tests::example_256_days_gives_26984457539 ... ok
[INFO] [stderr]   |         ----^^^^^
[INFO] [stdout] test tests::tests::example_80_days_gives_26 ... ok
[INFO] [stderr]   |         |
[INFO] [stdout] 
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `day-06-rust` (bin "day-06-rust" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_06_rust-517184cefb3ef930)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_06_rust-e945ebe01203b985)
[INFO] [stderr]    Doc-tests day-06-rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9564ebf10d0d157a02861ff45f9620fc8e19a66bf33edb7088bf3916d2fc970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9564ebf10d0d157a02861ff45f9620fc8e19a66bf33edb7088bf3916d2fc970", kill_on_drop: false }`
[INFO] [stdout] c9564ebf10d0d157a02861ff45f9620fc8e19a66bf33edb7088bf3916d2fc970