[INFO] cloning repository https://github.com/jshrake/image-to-regl-json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jshrake/image-to-regl-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjshrake%2Fimage-to-regl-json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjshrake%2Fimage-to-regl-json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef97d7aba1db4f59a0d2bb7b1b576dc10189b72e
[INFO] checking jshrake/image-to-regl-json against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjshrake%2Fimage-to-regl-json" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jshrake/image-to-regl-json 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/jshrake/image-to-regl-json
[INFO] finished tweaking git repo https://github.com/jshrake/image-to-regl-json
[INFO] tweaked toml for git repo https://github.com/jshrake/image-to-regl-json written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/jshrake/image-to-regl-json 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 10bc1c27655726fccc82f2092981ce9c22c1789cf7d7a2cbd756a2eaaaefc8f8
[INFO] running `Command { std: "docker" "start" "-a" "10bc1c27655726fccc82f2092981ce9c22c1789cf7d7a2cbd756a2eaaaefc8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10bc1c27655726fccc82f2092981ce9c22c1789cf7d7a2cbd756a2eaaaefc8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10bc1c27655726fccc82f2092981ce9c22c1789cf7d7a2cbd756a2eaaaefc8f8", kill_on_drop: false }`
[INFO] [stdout] 10bc1c27655726fccc82f2092981ce9c22c1789cf7d7a2cbd756a2eaaaefc8f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] a9274f1b8c33bd56e72137d3911ef1bb07d7867e6db0e3f74ce5463ccf646bfd
[INFO] running `Command { std: "docker" "start" "-a" "a9274f1b8c33bd56e72137d3911ef1bb07d7867e6db0e3f74ce5463ccf646bfd", 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" "a9274f1b8c33bd56e72137d3911ef1bb07d7867e6db0e3f74ce5463ccf646bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9274f1b8c33bd56e72137d3911ef1bb07d7867e6db0e3f74ce5463ccf646bfd", kill_on_drop: false }`
[INFO] [stdout] a9274f1b8c33bd56e72137d3911ef1bb07d7867e6db0e3f74ce5463ccf646bfd