[INFO] fetching crate mhdb 1.0.3...
[INFO] testing mhdb-1.0.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mhdb 1.0.3 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate mhdb 1.0.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mhdb 1.0.3
[INFO] finished tweaking crates.io crate mhdb 1.0.3
[INFO] tweaked toml for crates.io crate mhdb 1.0.3 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed5b9791d682d4ffcc8451b54ae70d26d4ca14e3c571e7218e0f84570797ec54
[INFO] running `Command { std: "docker" "start" "-a" "ed5b9791d682d4ffcc8451b54ae70d26d4ca14e3c571e7218e0f84570797ec54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5b9791d682d4ffcc8451b54ae70d26d4ca14e3c571e7218e0f84570797ec54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5b9791d682d4ffcc8451b54ae70d26d4ca14e3c571e7218e0f84570797ec54", kill_on_drop: false }`
[INFO] [stdout] ed5b9791d682d4ffcc8451b54ae70d26d4ca14e3c571e7218e0f84570797ec54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4e62469c8fe15a58e01383dd4deb2335cca9a4e6877607e24a46ef70305b59a
[INFO] running `Command { std: "docker" "start" "-a" "f4e62469c8fe15a58e01383dd4deb2335cca9a4e6877607e24a46ef70305b59a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling mhdb v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.56s
[INFO] running `Command { std: "docker" "inspect" "f4e62469c8fe15a58e01383dd4deb2335cca9a4e6877607e24a46ef70305b59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e62469c8fe15a58e01383dd4deb2335cca9a4e6877607e24a46ef70305b59a", kill_on_drop: false }`
[INFO] [stdout] f4e62469c8fe15a58e01383dd4deb2335cca9a4e6877607e24a46ef70305b59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc2da8fd21dcf5b1a249ca0242770d17473641575592b6310aa91aa7f0283e4
[INFO] running `Command { std: "docker" "start" "-a" "8bc2da8fd21dcf5b1a249ca0242770d17473641575592b6310aa91aa7f0283e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mhdb v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "8bc2da8fd21dcf5b1a249ca0242770d17473641575592b6310aa91aa7f0283e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc2da8fd21dcf5b1a249ca0242770d17473641575592b6310aa91aa7f0283e4", kill_on_drop: false }`
[INFO] [stdout] 8bc2da8fd21dcf5b1a249ca0242770d17473641575592b6310aa91aa7f0283e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e468b42a9cd429242770c379ab74567aac7a9ee2cd645b76e48923c5f61818bf
[INFO] running `Command { std: "docker" "start" "-a" "e468b42a9cd429242770c379ab74567aac7a9ee2cd645b76e48923c5f61818bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mhdb-da4a87d58d0fa966)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::buffer_manipulation ... ok
[INFO] [stdout] test tests::calchash ... ok
[INFO] [stdout] test tests::chkblk ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/mhdb-da4a87d58d0fa966` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e468b42a9cd429242770c379ab74567aac7a9ee2cd645b76e48923c5f61818bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e468b42a9cd429242770c379ab74567aac7a9ee2cd645b76e48923c5f61818bf", kill_on_drop: false }`
[INFO] [stdout] e468b42a9cd429242770c379ab74567aac7a9ee2cd645b76e48923c5f61818bf