[INFO] cloning repository https://github.com/AllesCoolAllesBestens/getting-started-with-piston
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AllesCoolAllesBestens/getting-started-with-piston" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllesCoolAllesBestens%2Fgetting-started-with-piston", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllesCoolAllesBestens%2Fgetting-started-with-piston'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0a071f74897a505cbdab1dd9d51eab22bcc1aca
[INFO] checking AllesCoolAllesBestens/getting-started-with-piston against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllesCoolAllesBestens%2Fgetting-started-with-piston" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AllesCoolAllesBestens/getting-started-with-piston 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/AllesCoolAllesBestens/getting-started-with-piston
[INFO] finished tweaking git repo https://github.com/AllesCoolAllesBestens/getting-started-with-piston
[INFO] tweaked toml for git repo https://github.com/AllesCoolAllesBestens/getting-started-with-piston written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/AllesCoolAllesBestens/getting-started-with-piston 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 wayland-window v0.4.4
[INFO] [stderr]   Downloaded winit v0.5.11
[INFO] [stderr]   Downloaded wayland-client v0.7.8
[INFO] [stderr]   Downloaded wayland-scanner v0.7.8
[INFO] [stderr]   Downloaded gfx v0.14.1
[INFO] [stderr]   Downloaded wayland-kbd v0.6.3
[INFO] [stderr]   Downloaded pistoncore-input v0.17.1
[INFO] [stderr]   Downloaded shader_version v0.2.2
[INFO] [stderr]   Downloaded pistoncore-window v0.26.2
[INFO] [stderr]   Downloaded piston2d-graphics v0.21.1
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.31.4
[INFO] [stderr]   Downloaded nodrop v0.1.9
[INFO] [stderr]   Downloaded wayland-sys v0.7.8
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.35.1
[INFO] [stderr]   Downloaded piston v0.31.4
[INFO] [stderr]   Downloaded piston-gfx_texture v0.22.1
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.38.0
[INFO] [stderr]   Downloaded piston_window v0.64.0
[INFO] [stderr]   Downloaded libloading v0.3.2
[INFO] [stderr]   Downloaded lazy_static v0.2.4
[INFO] [stderr]   Downloaded arrayvec v0.3.21
[INFO] [stderr]   Downloaded target_build_utils v0.3.0
[INFO] [stderr]   Downloaded android_glue v0.2.2
[INFO] [stderr]   Downloaded serde v0.9.11
[INFO] [stderr]   Downloaded serde_json v0.9.9
[INFO] [stderr]   Downloaded image v0.12.3
[INFO] [stderr]   Downloaded deflate v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] e652464cc04cc6ebde5fd73a5a30362c34e0e25994321082c4b4abc5f1a8b6ec
[INFO] running `Command { std: "docker" "start" "-a" "e652464cc04cc6ebde5fd73a5a30362c34e0e25994321082c4b4abc5f1a8b6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e652464cc04cc6ebde5fd73a5a30362c34e0e25994321082c4b4abc5f1a8b6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e652464cc04cc6ebde5fd73a5a30362c34e0e25994321082c4b4abc5f1a8b6ec", kill_on_drop: false }`
[INFO] [stdout] e652464cc04cc6ebde5fd73a5a30362c34e0e25994321082c4b4abc5f1a8b6ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 4aaadc8af5981e8c0f703c1e50a16023c654d0ea94140d4d6de99d86c49b720b
[INFO] running `Command { std: "docker" "start" "-a" "4aaadc8af5981e8c0f703c1e50a16023c654d0ea94140d4d6de99d86c49b720b", 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" "4aaadc8af5981e8c0f703c1e50a16023c654d0ea94140d4d6de99d86c49b720b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aaadc8af5981e8c0f703c1e50a16023c654d0ea94140d4d6de99d86c49b720b", kill_on_drop: false }`
[INFO] [stdout] 4aaadc8af5981e8c0f703c1e50a16023c654d0ea94140d4d6de99d86c49b720b