[INFO] fetching crate mhdb 1.0.3...
[INFO] testing mhdb-1.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mhdb 1.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mhdb 1.0.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c9c2e611362c80142db78d84b99bbef4c333f593a36a6e474580c807baefe22
[INFO] running `Command { std: "docker" "start" "-a" "5c9c2e611362c80142db78d84b99bbef4c333f593a36a6e474580c807baefe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c9c2e611362c80142db78d84b99bbef4c333f593a36a6e474580c807baefe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c9c2e611362c80142db78d84b99bbef4c333f593a36a6e474580c807baefe22", kill_on_drop: false }`
[INFO] [stdout] 5c9c2e611362c80142db78d84b99bbef4c333f593a36a6e474580c807baefe22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da01489a910f25c9016b6e5d619df07f1cc74a01980e9011e99c6865b3338aed
[INFO] running `Command { std: "docker" "start" "-a" "da01489a910f25c9016b6e5d619df07f1cc74a01980e9011e99c6865b3338aed", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling mhdb v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.51s
[INFO] running `Command { std: "docker" "inspect" "da01489a910f25c9016b6e5d619df07f1cc74a01980e9011e99c6865b3338aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da01489a910f25c9016b6e5d619df07f1cc74a01980e9011e99c6865b3338aed", kill_on_drop: false }`
[INFO] [stdout] da01489a910f25c9016b6e5d619df07f1cc74a01980e9011e99c6865b3338aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f29d6dbdd1df3a91253c6612a7a1e31d2008520d424ec4a663b3d410f882ea3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f29d6dbdd1df3a91253c6612a7a1e31d2008520d424ec4a663b3d410f882ea3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mhdb v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "5f29d6dbdd1df3a91253c6612a7a1e31d2008520d424ec4a663b3d410f882ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f29d6dbdd1df3a91253c6612a7a1e31d2008520d424ec4a663b3d410f882ea3", kill_on_drop: false }`
[INFO] [stdout] 5f29d6dbdd1df3a91253c6612a7a1e31d2008520d424ec4a663b3d410f882ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 575d9c5e145da99e16f726f3fd2e8d3c244f92f3a04121f1a53bf922ef33ef07
[INFO] running `Command { std: "docker" "start" "-a" "575d9c5e145da99e16f726f3fd2e8d3c244f92f3a04121f1a53bf922ef33ef07", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mhdb-44f133fb30338a1b
[INFO] [stdout] 
[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-44f133fb30338a1b` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "575d9c5e145da99e16f726f3fd2e8d3c244f92f3a04121f1a53bf922ef33ef07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575d9c5e145da99e16f726f3fd2e8d3c244f92f3a04121f1a53bf922ef33ef07", kill_on_drop: false }`
[INFO] [stdout] 575d9c5e145da99e16f726f3fd2e8d3c244f92f3a04121f1a53bf922ef33ef07