[INFO] fetching crate btrfs-diskformat 0.2.0...
[INFO] checking btrfs-diskformat-0.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate btrfs-diskformat 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate btrfs-diskformat 0.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21e964579a8f0a8f7a0ead2f17101f25a0c849961cfa0fbf10543ebed8e77e37
[INFO] running `Command { std: "docker" "start" "-a" "21e964579a8f0a8f7a0ead2f17101f25a0c849961cfa0fbf10543ebed8e77e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21e964579a8f0a8f7a0ead2f17101f25a0c849961cfa0fbf10543ebed8e77e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e964579a8f0a8f7a0ead2f17101f25a0c849961cfa0fbf10543ebed8e77e37", kill_on_drop: false }`
[INFO] [stdout] 21e964579a8f0a8f7a0ead2f17101f25a0c849961cfa0fbf10543ebed8e77e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 663acb5f6561fbe6c6b60973f9b211f428c9c2fca9c41c4ef0b76b1ea0954e0a
[INFO] running `Command { std: "docker" "start" "-a" "663acb5f6561fbe6c6b60973f9b211f428c9c2fca9c41c4ef0b76b1ea0954e0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[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 v0.12.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking zerocopy v0.4.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]     Checking strum v0.20.0
[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 13.37s
[INFO] running `Command { std: "docker" "inspect" "663acb5f6561fbe6c6b60973f9b211f428c9c2fca9c41c4ef0b76b1ea0954e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663acb5f6561fbe6c6b60973f9b211f428c9c2fca9c41c4ef0b76b1ea0954e0a", kill_on_drop: false }`
[INFO] [stdout] 663acb5f6561fbe6c6b60973f9b211f428c9c2fca9c41c4ef0b76b1ea0954e0a