[INFO] fetching crate block_device 0.1.2...
[INFO] testing block_device-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate block_device 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate block_device 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate block_device 0.1.2
[INFO] finished tweaking crates.io crate block_device 0.1.2
[INFO] tweaked toml for crates.io crate block_device 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1310d2ade55dc01a06d8d8ec8ed4d442a4acbdc2728257e6fa199d63434415d
[INFO] running `Command { std: "docker" "start" "-a" "e1310d2ade55dc01a06d8d8ec8ed4d442a4acbdc2728257e6fa199d63434415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1310d2ade55dc01a06d8d8ec8ed4d442a4acbdc2728257e6fa199d63434415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1310d2ade55dc01a06d8d8ec8ed4d442a4acbdc2728257e6fa199d63434415d", kill_on_drop: false }`
[INFO] [stdout] e1310d2ade55dc01a06d8d8ec8ed4d442a4acbdc2728257e6fa199d63434415d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1777782e5925a2fbfc11fcaa2edb137ffeb6c5414b79e7528ca8224bed5a7ab
[INFO] running `Command { std: "docker" "start" "-a" "b1777782e5925a2fbfc11fcaa2edb137ffeb6c5414b79e7528ca8224bed5a7ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling block_device v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "b1777782e5925a2fbfc11fcaa2edb137ffeb6c5414b79e7528ca8224bed5a7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1777782e5925a2fbfc11fcaa2edb137ffeb6c5414b79e7528ca8224bed5a7ab", kill_on_drop: false }`
[INFO] [stdout] b1777782e5925a2fbfc11fcaa2edb137ffeb6c5414b79e7528ca8224bed5a7ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baafbbf9f1f95245925e7028bb975e401ab6dd65ca14e73cf3b0fbb28b30802c
[INFO] running `Command { std: "docker" "start" "-a" "baafbbf9f1f95245925e7028bb975e401ab6dd65ca14e73cf3b0fbb28b30802c", kill_on_drop: false }`
[INFO] [stderr]    Compiling block_device v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "baafbbf9f1f95245925e7028bb975e401ab6dd65ca14e73cf3b0fbb28b30802c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baafbbf9f1f95245925e7028bb975e401ab6dd65ca14e73cf3b0fbb28b30802c", kill_on_drop: false }`
[INFO] [stdout] baafbbf9f1f95245925e7028bb975e401ab6dd65ca14e73cf3b0fbb28b30802c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49135c017adb0d3bd649eb4be768155815bfa0131ecc542a609f7445fc41107a
[INFO] running `Command { std: "docker" "start" "-a" "49135c017adb0d3bd649eb4be768155815bfa0131ecc542a609f7445fc41107a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/block_device-ef4c29e8f2627efc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests block_device
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 2) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49135c017adb0d3bd649eb4be768155815bfa0131ecc542a609f7445fc41107a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49135c017adb0d3bd649eb4be768155815bfa0131ecc542a609f7445fc41107a", kill_on_drop: false }`
[INFO] [stdout] 49135c017adb0d3bd649eb4be768155815bfa0131ecc542a609f7445fc41107a