[INFO] cloning repository https://github.com/nirnejak/flappy-crabby-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nirnejak/flappy-crabby-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirnejak%2Fflappy-crabby-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirnejak%2Fflappy-crabby-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a84f872c0f46edd8d2bb523ef7bc7874afddf88
[INFO] checking nirnejak/flappy-crabby-rust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirnejak%2Fflappy-crabby-rust" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nirnejak/flappy-crabby-rust 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/nirnejak/flappy-crabby-rust
[INFO] finished tweaking git repo https://github.com/nirnejak/flappy-crabby-rust
[INFO] tweaked toml for git repo https://github.com/nirnejak/flappy-crabby-rust written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/nirnejak/flappy-crabby-rust 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 wasm-bindgen-backend v0.2.43
[INFO] [stderr]   Downloaded gilrs-core v0.2.2
[INFO] [stderr]   Downloaded wayland-sys v0.21.12
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded gfx_device_gl v0.16.1
[INFO] [stderr]   Downloaded euclid v0.19.8
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.43
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.43
[INFO] [stderr]   Downloaded gilrs v0.7.1
[INFO] [stderr]   Downloaded glyph_brush v0.4.3
[INFO] [stderr]   Downloaded toml v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.43
[INFO] [stderr]   Downloaded lyon v0.13.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.43
[INFO] [stderr]   Downloaded stdweb v0.4.17
[INFO] [stderr]   Downloaded nalgebra v0.18.0
[INFO] [stderr]   Downloaded winit v0.19.1
[INFO] [stderr]   Downloaded alga v0.9.0
[INFO] [stderr]   Downloaded lyon_algorithms v0.13.1
[INFO] [stderr]   Downloaded wayland-client v0.21.12
[INFO] [stderr]   Downloaded ggez v0.5.0-rc.2
[INFO] [stderr]   Downloaded wayland-scanner v0.21.12
[INFO] [stderr]   Downloaded gleam v0.6.17
[INFO] [stderr]   Downloaded twox-hash v1.2.0
[INFO] [stderr]   Downloaded lyon_path v0.13.1
[INFO] [stderr]   Downloaded lyon_tessellation v0.13.1
[INFO] [stderr]   Downloaded wayland-protocols v0.21.12
[INFO] [stderr]   Downloaded wayland-commons v0.21.12
[INFO] [stderr]   Downloaded bumpalo v2.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 327190385eba7d5ee89d1c55b2e0df5a1017a3f49d221e41ce8543edfa03e9f9
[INFO] running `Command { std: "docker" "start" "-a" "327190385eba7d5ee89d1c55b2e0df5a1017a3f49d221e41ce8543edfa03e9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "327190385eba7d5ee89d1c55b2e0df5a1017a3f49d221e41ce8543edfa03e9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327190385eba7d5ee89d1c55b2e0df5a1017a3f49d221e41ce8543edfa03e9f9", kill_on_drop: false }`
[INFO] [stdout] 327190385eba7d5ee89d1c55b2e0df5a1017a3f49d221e41ce8543edfa03e9f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] d81b75ba678219070c00040d568dba10c6d54b9f261d1d71e9800b1d8bd0ff38
[INFO] running `Command { std: "docker" "start" "-a" "d81b75ba678219070c00040d568dba10c6d54b9f261d1d71e9800b1d8bd0ff38", kill_on_drop: false }`
[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" "d81b75ba678219070c00040d568dba10c6d54b9f261d1d71e9800b1d8bd0ff38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81b75ba678219070c00040d568dba10c6d54b9f261d1d71e9800b1d8bd0ff38", kill_on_drop: false }`
[INFO] [stdout] d81b75ba678219070c00040d568dba10c6d54b9f261d1d71e9800b1d8bd0ff38