[INFO] fetching crate btrfs-diskformat 0.2.0...
[INFO] checking btrfs-diskformat-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate btrfs-diskformat 0.2.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate btrfs-diskformat 0.2.0 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 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-99/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] [stderr]   Downloaded zerocopy v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] f9caf38d2ba1cc58c68136285a674046cea9fcdcfbf3e6a0d3b17dcf6a4c22f4
[INFO] running `Command { std: "docker" "start" "-a" "f9caf38d2ba1cc58c68136285a674046cea9fcdcfbf3e6a0d3b17dcf6a4c22f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9caf38d2ba1cc58c68136285a674046cea9fcdcfbf3e6a0d3b17dcf6a4c22f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9caf38d2ba1cc58c68136285a674046cea9fcdcfbf3e6a0d3b17dcf6a4c22f4", kill_on_drop: false }`
[INFO] [stdout] f9caf38d2ba1cc58c68136285a674046cea9fcdcfbf3e6a0d3b17dcf6a4c22f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a56e4f61580389045fa4e8af5a99a340126c7b5e002d68920a7cfc072ce81597
[INFO] running `Command { std: "docker" "start" "-a" "a56e4f61580389045fa4e8af5a99a340126c7b5e002d68920a7cfc072ce81597", 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] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking zerocopy v0.4.0
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking btrfs-diskformat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.56s
[INFO] running `Command { std: "docker" "inspect" "a56e4f61580389045fa4e8af5a99a340126c7b5e002d68920a7cfc072ce81597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56e4f61580389045fa4e8af5a99a340126c7b5e002d68920a7cfc072ce81597", kill_on_drop: false }`
[INFO] [stdout] a56e4f61580389045fa4e8af5a99a340126c7b5e002d68920a7cfc072ce81597
