[INFO] fetching crate btrfs-diskformat 0.2.0...
[INFO] testing btrfs-diskformat-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate btrfs-diskformat 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate btrfs-diskformat 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfs-diskformat 0.2.0
[INFO] finished tweaking crates.io crate btrfs-diskformat 0.2.0
[INFO] tweaked toml for crates.io crate btrfs-diskformat 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eb6712413659fe1c0c4a52555957cb8634f59dce6e47ad347daaa1217dd9f25
[INFO] running `Command { std: "docker" "start" "-a" "0eb6712413659fe1c0c4a52555957cb8634f59dce6e47ad347daaa1217dd9f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eb6712413659fe1c0c4a52555957cb8634f59dce6e47ad347daaa1217dd9f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb6712413659fe1c0c4a52555957cb8634f59dce6e47ad347daaa1217dd9f25", kill_on_drop: false }`
[INFO] [stdout] 0eb6712413659fe1c0c4a52555957cb8634f59dce6e47ad347daaa1217dd9f25
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 021474094a78fae0a5fbc383ad5d62d262731c22487bcf6de7cf00b7afb744c3
[INFO] running `Command { std: "docker" "start" "-a" "021474094a78fae0a5fbc383ad5d62d262731c22487bcf6de7cf00b7afb744c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling zerocopy v0.4.0
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.6
[INFO] [stderr]    Compiling num_enum v0.5.6
[INFO] [stderr]    Compiling btrfs-diskformat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "021474094a78fae0a5fbc383ad5d62d262731c22487bcf6de7cf00b7afb744c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021474094a78fae0a5fbc383ad5d62d262731c22487bcf6de7cf00b7afb744c3", kill_on_drop: false }`
[INFO] [stdout] 021474094a78fae0a5fbc383ad5d62d262731c22487bcf6de7cf00b7afb744c3
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d41dbd043a0acfdf56c2e81b06039108e577d199d3fb972d0b743934740103
[INFO] running `Command { std: "docker" "start" "-a" "38d41dbd043a0acfdf56c2e81b06039108e577d199d3fb972d0b743934740103", kill_on_drop: false }`
[INFO] [stderr]    Compiling btrfs-diskformat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "38d41dbd043a0acfdf56c2e81b06039108e577d199d3fb972d0b743934740103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d41dbd043a0acfdf56c2e81b06039108e577d199d3fb972d0b743934740103", kill_on_drop: false }`
[INFO] [stdout] 38d41dbd043a0acfdf56c2e81b06039108e577d199d3fb972d0b743934740103
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7203b8c464b7226d5c5325707b3eb10ab473c2baeb877faa9dd0064c592c897b
[INFO] running `Command { std: "docker" "start" "-a" "7203b8c464b7226d5c5325707b3eb10ab473c2baeb877faa9dd0064c592c897b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/btrfs_diskformat-2b129b6f9cf6f499)
[INFO] [stdout] 
[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] [stderr]    Doc-tests btrfs-diskformat
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "7203b8c464b7226d5c5325707b3eb10ab473c2baeb877faa9dd0064c592c897b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7203b8c464b7226d5c5325707b3eb10ab473c2baeb877faa9dd0064c592c897b", kill_on_drop: false }`
[INFO] [stdout] 7203b8c464b7226d5c5325707b3eb10ab473c2baeb877faa9dd0064c592c897b