[INFO] fetching crate parse_arg 0.1.4...
[INFO] building parse_arg-0.1.4 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate parse_arg 0.1.4 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate parse_arg 0.1.4 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 parse_arg 0.1.4
[INFO] finished tweaking crates.io crate parse_arg 0.1.4
[INFO] tweaked toml for crates.io crate parse_arg 0.1.4 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 0d24f3ab1fbcbfbb6b59f44727fa4fd386f5b66d1dfcf177f121c5d6e26224b0
[INFO] running `Command { std: "docker" "start" "-a" "0d24f3ab1fbcbfbb6b59f44727fa4fd386f5b66d1dfcf177f121c5d6e26224b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d24f3ab1fbcbfbb6b59f44727fa4fd386f5b66d1dfcf177f121c5d6e26224b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d24f3ab1fbcbfbb6b59f44727fa4fd386f5b66d1dfcf177f121c5d6e26224b0", kill_on_drop: false }`
[INFO] [stdout] 0d24f3ab1fbcbfbb6b59f44727fa4fd386f5b66d1dfcf177f121c5d6e26224b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] dd792bd47c86ee6b57b144c343aeca552ec3089a63710a744fdad0b57b56b506
[INFO] running `Command { std: "docker" "start" "-a" "dd792bd47c86ee6b57b144c343aeca552ec3089a63710a744fdad0b57b56b506", kill_on_drop: false }`
[INFO] [stderr]    Compiling parse_arg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "dd792bd47c86ee6b57b144c343aeca552ec3089a63710a744fdad0b57b56b506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd792bd47c86ee6b57b144c343aeca552ec3089a63710a744fdad0b57b56b506", kill_on_drop: false }`
[INFO] [stdout] dd792bd47c86ee6b57b144c343aeca552ec3089a63710a744fdad0b57b56b506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 72038424e5176c47983b9829528ccc2f207ac928ebd314443583e8b48339257e
[INFO] running `Command { std: "docker" "start" "-a" "72038424e5176c47983b9829528ccc2f207ac928ebd314443583e8b48339257e", 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" "72038424e5176c47983b9829528ccc2f207ac928ebd314443583e8b48339257e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72038424e5176c47983b9829528ccc2f207ac928ebd314443583e8b48339257e", kill_on_drop: false }`
[INFO] [stdout] 72038424e5176c47983b9829528ccc2f207ac928ebd314443583e8b48339257e