[INFO] cloning repository https://github.com/shtanton/jsoned
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shtanton/jsoned" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshtanton%2Fjsoned", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshtanton%2Fjsoned'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8be3ef968bb0130098d63d3b06d2f7acd63bc849
[INFO] checking shtanton/jsoned against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshtanton%2Fjsoned" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shtanton/jsoned 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/shtanton/jsoned
[INFO] finished tweaking git repo https://github.com/shtanton/jsoned
[INFO] tweaked toml for git repo https://github.com/shtanton/jsoned written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/shtanton/jsoned 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 skia-bindings v0.27.1
[INFO] [stderr]   Downloaded sdl2-sys v0.33.0
[INFO] [stderr]   Downloaded curl v0.4.28
[INFO] [stderr]   Downloaded skia-safe v0.27.1
[INFO] [stderr]   Downloaded winit v0.22.0
[INFO] [stderr]   Downloaded sdl2 v0.33.0
[INFO] [stderr]   Downloaded curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]   Downloaded skulpin-renderer-sdl2 v0.2.0
[INFO] [stderr]   Downloaded skulpin-renderer-winit v0.2.1
[INFO] [stderr]   Downloaded skulpin-app-winit v0.2.0
[INFO] [stderr]   Downloaded skulpin-renderer v0.2.0
[INFO] [stderr]   Downloaded skulpin v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 72982de62acf0a07316a4e7b29c65ef89e217284706f5d1eff92dc2907a01aad
[INFO] running `Command { std: "docker" "start" "-a" "72982de62acf0a07316a4e7b29c65ef89e217284706f5d1eff92dc2907a01aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72982de62acf0a07316a4e7b29c65ef89e217284706f5d1eff92dc2907a01aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72982de62acf0a07316a4e7b29c65ef89e217284706f5d1eff92dc2907a01aad", kill_on_drop: false }`
[INFO] [stdout] 72982de62acf0a07316a4e7b29c65ef89e217284706f5d1eff92dc2907a01aad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 30fd0115f09176421c7fce0e2ce648d418ae07a9be6325a4a84d760037d58693
[INFO] running `Command { std: "docker" "start" "-a" "30fd0115f09176421c7fce0e2ce648d418ae07a9be6325a4a84d760037d58693", 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" "30fd0115f09176421c7fce0e2ce648d418ae07a9be6325a4a84d760037d58693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30fd0115f09176421c7fce0e2ce648d418ae07a9be6325a4a84d760037d58693", kill_on_drop: false }`
[INFO] [stdout] 30fd0115f09176421c7fce0e2ce648d418ae07a9be6325a4a84d760037d58693