[INFO] fetching crate noughts-and-crosses 0.0.9...
[INFO] checking noughts-and-crosses-0.0.9 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate noughts-and-crosses 0.0.9 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate noughts-and-crosses 0.0.9 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 crates.io crate noughts-and-crosses 0.0.9
[INFO] finished tweaking crates.io crate noughts-and-crosses 0.0.9
[INFO] tweaked toml for crates.io crate noughts-and-crosses 0.0.9 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate noughts-and-crosses 0.0.9 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-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] 4390855f166904b3f81f73a52f2263bf2dfbb2026a9b04f505349326363311e3
[INFO] running `Command { std: "docker" "start" "-a" "4390855f166904b3f81f73a52f2263bf2dfbb2026a9b04f505349326363311e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4390855f166904b3f81f73a52f2263bf2dfbb2026a9b04f505349326363311e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4390855f166904b3f81f73a52f2263bf2dfbb2026a9b04f505349326363311e3", kill_on_drop: false }`
[INFO] [stdout] 4390855f166904b3f81f73a52f2263bf2dfbb2026a9b04f505349326363311e3
[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] 6cd0859cb4ff4e2d1d33b3b88ee9ce0cf6ff94f77c5acd2d6d140ded48ade33b
[INFO] running `Command { std: "docker" "start" "-a" "6cd0859cb4ff4e2d1d33b3b88ee9ce0cf6ff94f77c5acd2d6d140ded48ade33b", 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" "6cd0859cb4ff4e2d1d33b3b88ee9ce0cf6ff94f77c5acd2d6d140ded48ade33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd0859cb4ff4e2d1d33b3b88ee9ce0cf6ff94f77c5acd2d6d140ded48ade33b", kill_on_drop: false }`
[INFO] [stdout] 6cd0859cb4ff4e2d1d33b3b88ee9ce0cf6ff94f77c5acd2d6d140ded48ade33b