[INFO] cloning repository https://github.com/phoomparin/darkcrawl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phoomparin/darkcrawl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphoomparin%2Fdarkcrawl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphoomparin%2Fdarkcrawl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b11cc068915c95ff9a945c1266d08ba0c399efa
[INFO] checking phoomparin/darkcrawl against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphoomparin%2Fdarkcrawl" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phoomparin/darkcrawl on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phoomparin/darkcrawl
[INFO] finished tweaking git repo https://github.com/phoomparin/darkcrawl
[INFO] tweaked toml for git repo https://github.com/phoomparin/darkcrawl written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/phoomparin/darkcrawl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v0.1.8
[INFO] [stderr]   Downloaded string_cache v0.2.29
[INFO] [stderr]   Downloaded scraper v0.4.0
[INFO] [stderr]   Downloaded selectors v0.5.9
[INFO] [stderr]   Downloaded cssparser v0.5.8
[INFO] [stderr]   Downloaded ego-tree v0.1.1
[INFO] [stderr]   Downloaded utf-8 v0.6.0
[INFO] [stderr]   Downloaded tendril v0.2.4
[INFO] [stderr]   Downloaded utf-8 v0.7.1
[INFO] [stderr]   Downloaded fern v0.5.2
[INFO] [stderr]   Downloaded quickersort v2.2.0
[INFO] [stderr]   Downloaded html5ever v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97c51e7c94e5f002ffede10b1bb1d86f3539712ab04c59354b6ba33e3dfa57cf
[INFO] running `Command { std: "docker" "start" "-a" "97c51e7c94e5f002ffede10b1bb1d86f3539712ab04c59354b6ba33e3dfa57cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c51e7c94e5f002ffede10b1bb1d86f3539712ab04c59354b6ba33e3dfa57cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c51e7c94e5f002ffede10b1bb1d86f3539712ab04c59354b6ba33e3dfa57cf", kill_on_drop: false }`
[INFO] [stdout] 97c51e7c94e5f002ffede10b1bb1d86f3539712ab04c59354b6ba33e3dfa57cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c4fa477ace857ac1610ecc2b7dfeba726bad3b8245c7f0795b017b0fb3349e5
[INFO] running `Command { std: "docker" "start" "-a" "4c4fa477ace857ac1610ecc2b7dfeba726bad3b8245c7f0795b017b0fb3349e5", 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" "4c4fa477ace857ac1610ecc2b7dfeba726bad3b8245c7f0795b017b0fb3349e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4fa477ace857ac1610ecc2b7dfeba726bad3b8245c7f0795b017b0fb3349e5", kill_on_drop: false }`
[INFO] [stdout] 4c4fa477ace857ac1610ecc2b7dfeba726bad3b8245c7f0795b017b0fb3349e5