[INFO] fetching crate natord 1.0.9...
[INFO] checking natord-1.0.9 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate natord 1.0.9 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate natord 1.0.9 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 natord 1.0.9
[INFO] finished tweaking crates.io crate natord 1.0.9
[INFO] tweaked toml for crates.io crate natord 1.0.9 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] e709631adcc6b58b660c9287dd63ef7e281738171c51d62b76c35eed6bcdfaa7
[INFO] running `Command { std: "docker" "start" "-a" "e709631adcc6b58b660c9287dd63ef7e281738171c51d62b76c35eed6bcdfaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e709631adcc6b58b660c9287dd63ef7e281738171c51d62b76c35eed6bcdfaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e709631adcc6b58b660c9287dd63ef7e281738171c51d62b76c35eed6bcdfaa7", kill_on_drop: false }`
[INFO] [stdout] e709631adcc6b58b660c9287dd63ef7e281738171c51d62b76c35eed6bcdfaa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 7254e8e7670a6c1e44bd92d52c6b072317a5d2a2ff16aee751acd0ddf5ee4fa5
[INFO] running `Command { std: "docker" "start" "-a" "7254e8e7670a6c1e44bd92d52c6b072317a5d2a2ff16aee751acd0ddf5ee4fa5", 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" "7254e8e7670a6c1e44bd92d52c6b072317a5d2a2ff16aee751acd0ddf5ee4fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7254e8e7670a6c1e44bd92d52c6b072317a5d2a2ff16aee751acd0ddf5ee4fa5", kill_on_drop: false }`
[INFO] [stdout] 7254e8e7670a6c1e44bd92d52c6b072317a5d2a2ff16aee751acd0ddf5ee4fa5