[INFO] cloning repository https://github.com/mingyli/aoc2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingyli/aoc2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Faoc2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Faoc2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5eb17177232e4255e5fc9424bdb800067b2a705
[INFO] checking mingyli/aoc2019 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Faoc2019" "/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/mingyli/aoc2019 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mingyli/aoc2019
[INFO] finished tweaking git repo https://github.com/mingyli/aoc2019
[INFO] tweaked toml for git repo https://github.com/mingyli/aoc2019 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mingyli/aoc2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] b6924173af7e940146ce9f1df89ecbe0540a20d0e93f24a4a207d228e173f438
[INFO] running `Command { std: "docker" "start" "-a" "b6924173af7e940146ce9f1df89ecbe0540a20d0e93f24a4a207d228e173f438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6924173af7e940146ce9f1df89ecbe0540a20d0e93f24a4a207d228e173f438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6924173af7e940146ce9f1df89ecbe0540a20d0e93f24a4a207d228e173f438", kill_on_drop: false }`
[INFO] [stdout] b6924173af7e940146ce9f1df89ecbe0540a20d0e93f24a4a207d228e173f438
[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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 52b0b42035343bf7e3dd0f61ef153f6b2ecdddf9fbbebdeda127a901ebead5ae
[INFO] running `Command { std: "docker" "start" "-a" "52b0b42035343bf7e3dd0f61ef153f6b2ecdddf9fbbebdeda127a901ebead5ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking io v0.0.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling im v14.0.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking bitmaps v2.0.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking cached v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking sized-chunks v0.5.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "52b0b42035343bf7e3dd0f61ef153f6b2ecdddf9fbbebdeda127a901ebead5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b0b42035343bf7e3dd0f61ef153f6b2ecdddf9fbbebdeda127a901ebead5ae", kill_on_drop: false }`
[INFO] [stdout] 52b0b42035343bf7e3dd0f61ef153f6b2ecdddf9fbbebdeda127a901ebead5ae