[INFO] cloning repository https://github.com/asp2insp/AdventOfCode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asp2insp/AdventOfCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasp2insp%2FAdventOfCode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasp2insp%2FAdventOfCode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abec9d71a84be30fac71c8d211cd7cb8502628ca
[INFO] checking asp2insp/AdventOfCode against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasp2insp%2FAdventOfCode" "/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/asp2insp/AdventOfCode on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asp2insp/AdventOfCode
[INFO] finished tweaking git repo https://github.com/asp2insp/AdventOfCode
[INFO] tweaked toml for git repo https://github.com/asp2insp/AdventOfCode written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/asp2insp/AdventOfCode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defaultmap v0.4.0
[INFO] [stderr]   Downloaded cute v0.3.0
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c1f38102fdc23bcdd65d5b06cfce0b91cad70f9164404c0e5054a431c6899c5
[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" "6c1f38102fdc23bcdd65d5b06cfce0b91cad70f9164404c0e5054a431c6899c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c1f38102fdc23bcdd65d5b06cfce0b91cad70f9164404c0e5054a431c6899c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1f38102fdc23bcdd65d5b06cfce0b91cad70f9164404c0e5054a431c6899c5", kill_on_drop: false }`
[INFO] [stdout] 6c1f38102fdc23bcdd65d5b06cfce0b91cad70f9164404c0e5054a431c6899c5
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--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] 52f248e162096257eecad9b8a19fe59bdbb0b4d7562e22e92c5dee36c842b8b8
[INFO] running `Command { std: "docker" "start" "-a" "52f248e162096257eecad9b8a19fe59bdbb0b4d7562e22e92c5dee36c842b8b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]     Checking defaultmap v0.4.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.08s
[INFO] running `Command { std: "docker" "inspect" "52f248e162096257eecad9b8a19fe59bdbb0b4d7562e22e92c5dee36c842b8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f248e162096257eecad9b8a19fe59bdbb0b4d7562e22e92c5dee36c842b8b8", kill_on_drop: false }`
[INFO] [stdout] 52f248e162096257eecad9b8a19fe59bdbb0b4d7562e22e92c5dee36c842b8b8