[INFO] fetching crate gt-directed-bijective-connection-graph 0.2.3...
[INFO] building gt-directed-bijective-connection-graph-0.2.3 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate gt-directed-bijective-connection-graph 0.2.3 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate gt-directed-bijective-connection-graph 0.2.3 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gt-directed-bijective-connection-graph 0.2.3
[INFO] finished tweaking crates.io crate gt-directed-bijective-connection-graph 0.2.3
[INFO] tweaked toml for crates.io crate gt-directed-bijective-connection-graph 0.2.3 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate crates.io crate gt-directed-bijective-connection-graph 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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 gt-graph v0.1.1
[INFO] [stderr]   Downloaded gt-graph-path v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e05cef9c56b991a7f34ccabe85a868be3ae87cf48414428fe9e703d7038a0ef
[INFO] running `Command { std: "docker" "start" "-a" "7e05cef9c56b991a7f34ccabe85a868be3ae87cf48414428fe9e703d7038a0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e05cef9c56b991a7f34ccabe85a868be3ae87cf48414428fe9e703d7038a0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e05cef9c56b991a7f34ccabe85a868be3ae87cf48414428fe9e703d7038a0ef", kill_on_drop: false }`
[INFO] [stdout] 7e05cef9c56b991a7f34ccabe85a868be3ae87cf48414428fe9e703d7038a0ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f383a01e5270e18a2163562dfd242d4bcb3e4e4e5a24311da9b7662f6a75e9a
[INFO] running `Command { std: "docker" "start" "-a" "0f383a01e5270e18a2163562dfd242d4bcb3e4e4e5a24311da9b7662f6a75e9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling gt-graph v0.1.1
[INFO] [stderr]    Compiling gt-graph-path v0.1.2
[INFO] [stderr]    Compiling gt-directed-bijective-connection-graph v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "0f383a01e5270e18a2163562dfd242d4bcb3e4e4e5a24311da9b7662f6a75e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f383a01e5270e18a2163562dfd242d4bcb3e4e4e5a24311da9b7662f6a75e9a", kill_on_drop: false }`
[INFO] [stdout] 0f383a01e5270e18a2163562dfd242d4bcb3e4e4e5a24311da9b7662f6a75e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2351bbb63e0ef36c4625e8cdafc36661d75f3efe40f94ed53d95e9ff3befe711
[INFO] running `Command { std: "docker" "start" "-a" "2351bbb63e0ef36c4625e8cdafc36661d75f3efe40f94ed53d95e9ff3befe711", 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" "2351bbb63e0ef36c4625e8cdafc36661d75f3efe40f94ed53d95e9ff3befe711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2351bbb63e0ef36c4625e8cdafc36661d75f3efe40f94ed53d95e9ff3befe711", kill_on_drop: false }`
[INFO] [stdout] 2351bbb63e0ef36c4625e8cdafc36661d75f3efe40f94ed53d95e9ff3befe711