[INFO] fetching crate blktrace 0.1.2...
[INFO] building blktrace-0.1.2 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate blktrace 0.1.2 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate blktrace 0.1.2 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 blktrace 0.1.2
[INFO] finished tweaking crates.io crate blktrace 0.1.2
[INFO] tweaked toml for crates.io crate blktrace 0.1.2 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate blktrace 0.1.2 already has a lockfile, it will not be regenerated
[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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] ca2006e77b21c1c88840bf71ae5c940a2bdfbdb0faf1c796edf20e752624c38f
[INFO] running `Command { std: "docker" "start" "-a" "ca2006e77b21c1c88840bf71ae5c940a2bdfbdb0faf1c796edf20e752624c38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca2006e77b21c1c88840bf71ae5c940a2bdfbdb0faf1c796edf20e752624c38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2006e77b21c1c88840bf71ae5c940a2bdfbdb0faf1c796edf20e752624c38f", kill_on_drop: false }`
[INFO] [stdout] ca2006e77b21c1c88840bf71ae5c940a2bdfbdb0faf1c796edf20e752624c38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] b07460b0fdbbe2311533d5c4ad0194335ec9113027039d4694e75162843cec8b
[INFO] running `Command { std: "docker" "start" "-a" "b07460b0fdbbe2311533d5c4ad0194335ec9113027039d4694e75162843cec8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling blktrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "b07460b0fdbbe2311533d5c4ad0194335ec9113027039d4694e75162843cec8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07460b0fdbbe2311533d5c4ad0194335ec9113027039d4694e75162843cec8b", kill_on_drop: false }`
[INFO] [stdout] b07460b0fdbbe2311533d5c4ad0194335ec9113027039d4694e75162843cec8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 56df1fd2dd823b515fa8103684de6d94ffaa75a871b0c24b23b695c175bd5f0a
[INFO] running `Command { std: "docker" "start" "-a" "56df1fd2dd823b515fa8103684de6d94ffaa75a871b0c24b23b695c175bd5f0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling blktrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] [stderr]   Executable unittests src/bin/blkiomon.rs (/opt/rustwide/target/debug/deps/blkiomon-bc414831796b91de)
[INFO] [stderr]   Executable unittests src/bin/blkparse.rs (/opt/rustwide/target/debug/deps/blkparse-5483c0a1904f17ee)
[INFO] [stderr]   Executable unittests src/bin/blkrawverify.rs (/opt/rustwide/target/debug/deps/blkrawverify-293e585804a8fe55)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/blktrace-7e4c2322536d1824)
[INFO] [stderr]   Executable unittests src/bin/verify_blkparse.rs (/opt/rustwide/target/debug/deps/verify_blkparse-363029e856d7c8d3)
[INFO] running `Command { std: "docker" "inspect" "56df1fd2dd823b515fa8103684de6d94ffaa75a871b0c24b23b695c175bd5f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56df1fd2dd823b515fa8103684de6d94ffaa75a871b0c24b23b695c175bd5f0a", kill_on_drop: false }`
[INFO] [stdout] 56df1fd2dd823b515fa8103684de6d94ffaa75a871b0c24b23b695c175bd5f0a