[INFO] fetching crate vec 0.0.0...
[INFO] building vec-0.0.0 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate vec 0.0.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate vec 0.0.0 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vec 0.0.0
[INFO] finished tweaking crates.io crate vec 0.0.0
[INFO] tweaked toml for crates.io crate vec 0.0.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a9de2c74b433b52e05ccf95d6773d40c98ab4e7f387de254d8f5fdfeb78e21d
[INFO] running `Command { std: "docker" "start" "-a" "7a9de2c74b433b52e05ccf95d6773d40c98ab4e7f387de254d8f5fdfeb78e21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a9de2c74b433b52e05ccf95d6773d40c98ab4e7f387de254d8f5fdfeb78e21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9de2c74b433b52e05ccf95d6773d40c98ab4e7f387de254d8f5fdfeb78e21d", kill_on_drop: false }`
[INFO] [stdout] 7a9de2c74b433b52e05ccf95d6773d40c98ab4e7f387de254d8f5fdfeb78e21d
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d848036e69fddf28f9e89eea357fc4860edb53e256ba510c73229dbdfecdea0a
[INFO] running `Command { std: "docker" "start" "-a" "d848036e69fddf28f9e89eea357fc4860edb53e256ba510c73229dbdfecdea0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "d848036e69fddf28f9e89eea357fc4860edb53e256ba510c73229dbdfecdea0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d848036e69fddf28f9e89eea357fc4860edb53e256ba510c73229dbdfecdea0a", kill_on_drop: false }`
[INFO] [stdout] d848036e69fddf28f9e89eea357fc4860edb53e256ba510c73229dbdfecdea0a
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aab675964843383ec8ac0c978f6a3333146d542003732acd18b7150ba45e3b0b
[INFO] running `Command { std: "docker" "start" "-a" "aab675964843383ec8ac0c978f6a3333146d542003732acd18b7150ba45e3b0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec-369baae5fa7711ef)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "aab675964843383ec8ac0c978f6a3333146d542003732acd18b7150ba45e3b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab675964843383ec8ac0c978f6a3333146d542003732acd18b7150ba45e3b0b", kill_on_drop: false }`
[INFO] [stdout] aab675964843383ec8ac0c978f6a3333146d542003732acd18b7150ba45e3b0b