[INFO] cloning repository https://github.com/stevebob/gws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevebob/gws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fgws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fgws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 572761ac06ef57b6cabfc5ae06a55c555f836e5a
[INFO] checking stevebob/gws against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fgws" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevebob/gws 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/stevebob/gws
[INFO] finished tweaking git repo https://github.com/stevebob/gws
[INFO] tweaked toml for git repo https://github.com/stevebob/gws written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/stevebob/gws 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.53
[INFO] [stderr]   Downloaded memoffset v0.5.2
[INFO] [stderr]   Downloaded image v0.21.3
[INFO] [stderr]   Downloaded synstructure v0.12.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.53
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.53
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.53
[INFO] [stderr]   Downloaded whoami v0.5.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.53
[INFO] [stderr]   Downloaded glyph_brush v0.4.3
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded rgb24 v0.1.5
[INFO] [stderr]   Downloaded prototty_storage v0.27.0
[INFO] [stderr]   Downloaded grid_2d v0.12.5
[INFO] [stderr]   Downloaded prototty_render v0.27.0
[INFO] [stderr]   Downloaded prototty_input v0.27.0
[INFO] [stderr]   Downloaded prototty_wasm_storage v0.27.0
[INFO] [stderr]   Downloaded ansi_colour v0.5.3
[INFO] [stderr]   Downloaded prototty_file_storage v0.27.0
[INFO] [stderr]   Downloaded prototty_grid v0.27.0
[INFO] [stderr]   Downloaded prototty_text v0.27.0
[INFO] [stderr]   Downloaded grid_search v0.15.1
[INFO] [stderr]   Downloaded wfc v0.8.1
[INFO] [stderr]   Downloaded prototty_wasm v0.27.0
[INFO] [stderr]   Downloaded prototty_glutin v0.27.0
[INFO] [stderr]   Downloaded simon v0.2.3
[INFO] [stderr]   Downloaded coord_2d v0.2.12
[INFO] [stderr]   Downloaded prototty_unix v0.27.0
[INFO] [stderr]   Downloaded prototty_wasm_render v0.27.0
[INFO] [stderr]   Downloaded best v0.13.0
[INFO] [stderr]   Downloaded prototty_menu v0.27.0
[INFO] [stderr]   Downloaded prototty_monolithic_storage v0.27.0
[INFO] [stderr]   Downloaded direction v0.17.7
[INFO] [stderr]   Downloaded gfx_glyph v0.14.1
[INFO] [stderr]   Downloaded line_2d v0.1.1
[INFO] [stderr]   Downloaded shadowcast v0.5.6
[INFO] [stderr]   Downloaded prototty_wasm_input v0.27.0
[INFO] [stderr]   Downloaded prototty v0.27.0
[INFO] [stderr]   Downloaded prototty_decorator v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] b55f9fc0e2d5b0bd2be2cffa428717546444cf7576d17dcaa374bc37098bbe99
[INFO] running `Command { std: "docker" "start" "-a" "b55f9fc0e2d5b0bd2be2cffa428717546444cf7576d17dcaa374bc37098bbe99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b55f9fc0e2d5b0bd2be2cffa428717546444cf7576d17dcaa374bc37098bbe99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55f9fc0e2d5b0bd2be2cffa428717546444cf7576d17dcaa374bc37098bbe99", kill_on_drop: false }`
[INFO] [stdout] b55f9fc0e2d5b0bd2be2cffa428717546444cf7576d17dcaa374bc37098bbe99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] afa1b47a9f0413153e455bccdc59d0b103640a66130800c414556ec4662833da
[INFO] running `Command { std: "docker" "start" "-a" "afa1b47a9f0413153e455bccdc59d0b103640a66130800c414556ec4662833da", 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" "afa1b47a9f0413153e455bccdc59d0b103640a66130800c414556ec4662833da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa1b47a9f0413153e455bccdc59d0b103640a66130800c414556ec4662833da", kill_on_drop: false }`
[INFO] [stdout] afa1b47a9f0413153e455bccdc59d0b103640a66130800c414556ec4662833da