[INFO] cloning repository https://github.com/flying7eleven/flyg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flying7eleven/flyg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflying7eleven%2Fflyg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflying7eleven%2Fflyg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cafb50a51ba9da95a46c176623784e47667d398f
[INFO] checking flying7eleven/flyg against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflying7eleven%2Fflyg" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flying7eleven/flyg 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/flying7eleven/flyg
[INFO] finished tweaking git repo https://github.com/flying7eleven/flyg
[INFO] tweaked toml for git repo https://github.com/flying7eleven/flyg written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/flying7eleven/flyg 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] 47c8b6f3ecf85bbff71f0e908ef1c5929eb49495902dfcbb64d8a9bd81d18945
[INFO] running `Command { std: "docker" "start" "-a" "47c8b6f3ecf85bbff71f0e908ef1c5929eb49495902dfcbb64d8a9bd81d18945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47c8b6f3ecf85bbff71f0e908ef1c5929eb49495902dfcbb64d8a9bd81d18945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c8b6f3ecf85bbff71f0e908ef1c5929eb49495902dfcbb64d8a9bd81d18945", kill_on_drop: false }`
[INFO] [stdout] 47c8b6f3ecf85bbff71f0e908ef1c5929eb49495902dfcbb64d8a9bd81d18945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] 29f1c5fe0c465000e9122f4957c5d53caf4c86c607e0944513f87943ba7b20fe
[INFO] running `Command { std: "docker" "start" "-a" "29f1c5fe0c465000e9122f4957c5d53caf4c86c607e0944513f87943ba7b20fe", 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" "29f1c5fe0c465000e9122f4957c5d53caf4c86c607e0944513f87943ba7b20fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f1c5fe0c465000e9122f4957c5d53caf4c86c607e0944513f87943ba7b20fe", kill_on_drop: false }`
[INFO] [stdout] 29f1c5fe0c465000e9122f4957c5d53caf4c86c607e0944513f87943ba7b20fe