[INFO] updating cached repository https://github.com/BlockCat/adventofcode2017
[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] 56c5307fa889034b2c7a6213f271a97c5b4e7283
[INFO] testing BlockCat/adventofcode2017 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%2FBlockCat%2Fadventofcode2017" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlockCat/adventofcode2017 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/BlockCat/adventofcode2017
[INFO] finished tweaking git repo https://github.com/BlockCat/adventofcode2017
[INFO] tweaked toml for git repo https://github.com/BlockCat/adventofcode2017 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BlockCat/adventofcode2017 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21f83cece00fd3c9ee5cccb042be75492bc9b1021337ee952904730efedba239
[INFO] running `Command { std: "docker" "start" "-a" "21f83cece00fd3c9ee5cccb042be75492bc9b1021337ee952904730efedba239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21f83cece00fd3c9ee5cccb042be75492bc9b1021337ee952904730efedba239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f83cece00fd3c9ee5cccb042be75492bc9b1021337ee952904730efedba239", kill_on_drop: false }`
[INFO] [stdout] 21f83cece00fd3c9ee5cccb042be75492bc9b1021337ee952904730efedba239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 116cabdfb7659004c9cba5b639edbee8d011ec27053a3d1d2d5ed8242c4d0755
[INFO] running `Command { std: "docker" "start" "-a" "116cabdfb7659004c9cba5b639edbee8d011ec27053a3d1d2d5ed8242c4d0755", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec v0.15.2
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling aoc2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `CPU`
[INFO] [stdout]   --> src/day25.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub struct CPU;
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_1`
[INFO] [stdout]   --> src/day25.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub fn run_1(start: Box<dyn State>, steps: usize) -> usize {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/day25.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     #[macro_use] 
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "116cabdfb7659004c9cba5b639edbee8d011ec27053a3d1d2d5ed8242c4d0755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116cabdfb7659004c9cba5b639edbee8d011ec27053a3d1d2d5ed8242c4d0755", kill_on_drop: false }`
[INFO] [stdout] 116cabdfb7659004c9cba5b639edbee8d011ec27053a3d1d2d5ed8242c4d0755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 805257d3127219aa5160f0a851819a9f0b7e847ff3b9dbcc0758660fa63902c9
[INFO] running `Command { std: "docker" "start" "-a" "805257d3127219aa5160f0a851819a9f0b7e847ff3b9dbcc0758660fa63902c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/day25.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     #[macro_use] 
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` 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 1.28s
[INFO] running `Command { std: "docker" "inspect" "805257d3127219aa5160f0a851819a9f0b7e847ff3b9dbcc0758660fa63902c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805257d3127219aa5160f0a851819a9f0b7e847ff3b9dbcc0758660fa63902c9", kill_on_drop: false }`
[INFO] [stdout] 805257d3127219aa5160f0a851819a9f0b7e847ff3b9dbcc0758660fa63902c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 89be5183971b8a5ba8717f7ba09c257509c4ff7016a7768a14b9d65da7d124fe
[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" "89be5183971b8a5ba8717f7ba09c257509c4ff7016a7768a14b9d65da7d124fe", kill_on_drop: false }`
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/day25.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     #[macro_use] 
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/utils-ecf2a6ca65ce544a
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aoc2017-3136468455043c37
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test day25::tests::test_examples ... ok
[INFO] [stdout] test day25::run25 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests utils
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89be5183971b8a5ba8717f7ba09c257509c4ff7016a7768a14b9d65da7d124fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89be5183971b8a5ba8717f7ba09c257509c4ff7016a7768a14b9d65da7d124fe", kill_on_drop: false }`
[INFO] [stdout] 89be5183971b8a5ba8717f7ba09c257509c4ff7016a7768a14b9d65da7d124fe