[INFO] cloning repository https://github.com/utter-step/advent-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utter-step/advent-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futter-step%2Fadvent-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futter-step%2Fadvent-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf0c025cf1bdc06e7554236dd3bd5d7cce0d190a
[INFO] checking utter-step/advent-2019 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futter-step%2Fadvent-2019" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/utter-step/advent-2019 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/utter-step/advent-2019
[INFO] finished tweaking git repo https://github.com/utter-step/advent-2019
[INFO] tweaked toml for git repo https://github.com/utter-step/advent-2019 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/utter-step/advent-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/utter-step/advent-utils`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.17
[INFO] [stderr]   Downloaded envy v0.4.2
[INFO] [stderr]   Downloaded enum_dispatch v0.3.5
[INFO] [stderr]   Downloaded displaydoc v0.1.7
[INFO] [stderr]   Downloaded indoc v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8ada76aa63868b5c3afd252410d8cd4c5cdc7e63a1b84611af7483b684c631d
[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" "f8ada76aa63868b5c3afd252410d8cd4c5cdc7e63a1b84611af7483b684c631d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8ada76aa63868b5c3afd252410d8cd4c5cdc7e63a1b84611af7483b684c631d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ada76aa63868b5c3afd252410d8cd4c5cdc7e63a1b84611af7483b684c631d", kill_on_drop: false }`
[INFO] [stdout] f8ada76aa63868b5c3afd252410d8cd4c5cdc7e63a1b84611af7483b684c631d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c4d9c95ecc27e740c189262ce12359d11ca77d0002be05316c47d61482d88e
[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" "64c4d9c95ecc27e740c189262ce12359d11ca77d0002be05316c47d61482d88e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking intcode v0.1.0 (/opt/rustwide/workdir/intcode)
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking integration-test v0.1.0 (/opt/rustwide/workdir/integration-test)
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling enum_dispatch v0.3.5
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking envy v0.4.2
[INFO] [stderr]     Checking advent-utils v0.4.0 (https://github.com/utter-step/advent-utils#d53d7c7f)
[INFO] [stderr]     Checking day-22 v0.1.0 (/opt/rustwide/workdir/day-22)
[INFO] [stderr]     Checking day-6 v0.1.0 (/opt/rustwide/workdir/day-6)
[INFO] [stderr]     Checking day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stderr]     Checking day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stderr]     Checking day-8 v0.1.0 (/opt/rustwide/workdir/day-8)
[INFO] [stderr]     Checking day-14 v0.1.0 (/opt/rustwide/workdir/day-14)
[INFO] [stderr]     Checking day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stderr]     Checking day-23 v0.1.0 (/opt/rustwide/workdir/day-23)
[INFO] [stderr]     Checking day-13 v0.1.0 (/opt/rustwide/workdir/day-13)
[INFO] [stderr]     Checking day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]     Checking day-12 v0.1.0 (/opt/rustwide/workdir/day-12)
[INFO] [stderr]     Checking day-4 v0.1.0 (/opt/rustwide/workdir/day-4)
[INFO] [stderr]     Checking day-24 v0.0.0 (/opt/rustwide/workdir/day-24)
[INFO] [stderr]     Checking day-19 v0.1.0 (/opt/rustwide/workdir/day-19)
[INFO] [stderr]     Checking day-9 v0.1.0 (/opt/rustwide/workdir/day-9)
[INFO] [stderr]     Checking day-7 v0.1.0 (/opt/rustwide/workdir/day-7)
[INFO] [stderr]     Checking day-11 v0.1.0 (/opt/rustwide/workdir/day-11)
[INFO] [stderr]     Checking day-17 v0.1.0 (/opt/rustwide/workdir/day-17)
[INFO] [stderr]     Checking day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]     Checking run-all v0.1.0 (/opt/rustwide/workdir/run-all)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "64c4d9c95ecc27e740c189262ce12359d11ca77d0002be05316c47d61482d88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c4d9c95ecc27e740c189262ce12359d11ca77d0002be05316c47d61482d88e", kill_on_drop: false }`
[INFO] [stdout] 64c4d9c95ecc27e740c189262ce12359d11ca77d0002be05316c47d61482d88e