[INFO] cloning repository https://github.com/AndyDSM/conwayprofile-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndyDSM/conwayprofile-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyDSM%2Fconwayprofile-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyDSM%2Fconwayprofile-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 653d292cc65ba0da8b4c5902dc6713be36c7746c
[INFO] checking AndyDSM/conwayprofile-rust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyDSM%2Fconwayprofile-rust" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndyDSM/conwayprofile-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/AndyDSM/conwayprofile-rust
[INFO] finished tweaking git repo https://github.com/AndyDSM/conwayprofile-rust
[INFO] tweaked toml for git repo https://github.com/AndyDSM/conwayprofile-rust written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/AndyDSM/conwayprofile-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 535d3664ade7f7a2a53ae1d9152f8276d2ef117ea0de65d4865c177d629a1de4
[INFO] running `Command { std: "docker" "start" "-a" "535d3664ade7f7a2a53ae1d9152f8276d2ef117ea0de65d4865c177d629a1de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "535d3664ade7f7a2a53ae1d9152f8276d2ef117ea0de65d4865c177d629a1de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535d3664ade7f7a2a53ae1d9152f8276d2ef117ea0de65d4865c177d629a1de4", kill_on_drop: false }`
[INFO] [stdout] 535d3664ade7f7a2a53ae1d9152f8276d2ef117ea0de65d4865c177d629a1de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 63cd58c9f3b87807b8e648b6a028e0e437fa3320a5296b32488498f34fef046e
[INFO] running `Command { std: "docker" "start" "-a" "63cd58c9f3b87807b8e648b6a028e0e437fa3320a5296b32488498f34fef046e", 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" "63cd58c9f3b87807b8e648b6a028e0e437fa3320a5296b32488498f34fef046e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cd58c9f3b87807b8e648b6a028e0e437fa3320a5296b32488498f34fef046e", kill_on_drop: false }`
[INFO] [stdout] 63cd58c9f3b87807b8e648b6a028e0e437fa3320a5296b32488498f34fef046e