[INFO] cloning repository https://github.com/nrxus/advent_of_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrxus/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrxus%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrxus%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b038001d31bc6171e29bf2ac963c8067bf692333
[INFO] checking nrxus/advent_of_code against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrxus%2Fadvent_of_code" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrxus/advent_of_code on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nrxus/advent_of_code
[INFO] finished tweaking git repo https://github.com/nrxus/advent_of_code
[INFO] tweaked toml for git repo https://github.com/nrxus/advent_of_code written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/nrxus/advent_of_code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded funty v1.0.1
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded const_fn v0.4.3
[INFO] [stderr]   Downloaded pin-project-internal v0.4.27
[INFO] [stderr]   Downloaded standback v0.2.13
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.68
[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded form_urlencoded v1.0.0
[INFO] [stderr]   Downloaded mime_guess v2.0.1
[INFO] [stderr]   Downloaded tower-service v0.3.0
[INFO] [stderr]   Downloaded url v2.2.0
[INFO] [stderr]   Downloaded cookie v0.14.3
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded tracing v0.1.22
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded reqwest v0.10.9
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded unicase v2.5.1
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded tokio v0.2.23
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.18
[INFO] [stderr]   Downloaded encoding_rs v0.8.20
[INFO] [stderr]   Downloaded openssl-sys v0.9.51
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.18
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.68
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded tap v1.0.0
[INFO] [stderr]   Downloaded web-sys v0.3.45
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.18
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.68
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded hyper v0.13.9
[INFO] [stderr]   Downloaded mime v0.3.14
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded openssl v0.10.25
[INFO] [stderr]   Downloaded schannel v0.1.16
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.68
[INFO] [stderr]   Downloaded syn v1.0.53
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded time v0.2.23
[INFO] [stderr]   Downloaded enum-map-derive v0.4.3
[INFO] [stderr]   Downloaded enum-map v0.6.4
[INFO] [stderr]   Downloaded pin-project v0.4.27
[INFO] [stderr]   Downloaded bitvec v0.19.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd72b353cd421af1d38a1b84890d94f037d3c44a4c2636e8ee33853d1a9697c2
[INFO] running `Command { std: "docker" "start" "-a" "bd72b353cd421af1d38a1b84890d94f037d3c44a4c2636e8ee33853d1a9697c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd72b353cd421af1d38a1b84890d94f037d3c44a4c2636e8ee33853d1a9697c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd72b353cd421af1d38a1b84890d94f037d3c44a4c2636e8ee33853d1a9697c2", kill_on_drop: false }`
[INFO] [stdout] bd72b353cd421af1d38a1b84890d94f037d3c44a4c2636e8ee33853d1a9697c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9b60c868c3c7d62d7ccefcd3a605564d00bb6cc028b3e5c6a678d666d24b49
[INFO] running `Command { std: "docker" "start" "-a" "3a9b60c868c3c7d62d7ccefcd3a605564d00bb6cc028b3e5c6a678d666d24b49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "3a9b60c868c3c7d62d7ccefcd3a605564d00bb6cc028b3e5c6a678d666d24b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9b60c868c3c7d62d7ccefcd3a605564d00bb6cc028b3e5c6a678d666d24b49", kill_on_drop: false }`
[INFO] [stdout] 3a9b60c868c3c7d62d7ccefcd3a605564d00bb6cc028b3e5c6a678d666d24b49