[INFO] fetching crate seabird 0.2.0-alpha.4...
[INFO] checking seabird-0.2.0-alpha.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate seabird 0.2.0-alpha.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate seabird 0.2.0-alpha.4 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seabird 0.2.0-alpha.4
[INFO] finished tweaking crates.io crate seabird 0.2.0-alpha.4
[INFO] tweaked toml for crates.io crate seabird 0.2.0-alpha.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", 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] 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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 992c7f0c948c1db7872f2d1271a357c38329a78edf2dba23669fcf3d7772bb0c
[INFO] running `Command { std: "docker" "start" "-a" "992c7f0c948c1db7872f2d1271a357c38329a78edf2dba23669fcf3d7772bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "992c7f0c948c1db7872f2d1271a357c38329a78edf2dba23669fcf3d7772bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992c7f0c948c1db7872f2d1271a357c38329a78edf2dba23669fcf3d7772bb0c", kill_on_drop: false }`
[INFO] [stdout] 992c7f0c948c1db7872f2d1271a357c38329a78edf2dba23669fcf3d7772bb0c
[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=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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a22e8d4c7f752b20090862f51219118ce539e6333924338d96290e7f98c13b15
[INFO] running `Command { std: "docker" "start" "-a" "a22e8d4c7f752b20090862f51219118ce539e6333924338d96290e7f98c13b15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-io-timeout v1.1.1
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking tower v0.4.9
[INFO] [stderr]    Compiling tonic-build v0.5.2
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]    Compiling seabird v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr] error: failed to run custom build command for `seabird v0.2.0-alpha.4 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/seabird-586a2a74b5e2c0e2/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'beta-2021-10-15-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain beta-2021-10-15-x86_64-unknown-linux-gnu`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a22e8d4c7f752b20090862f51219118ce539e6333924338d96290e7f98c13b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22e8d4c7f752b20090862f51219118ce539e6333924338d96290e7f98c13b15", kill_on_drop: false }`
[INFO] [stdout] a22e8d4c7f752b20090862f51219118ce539e6333924338d96290e7f98c13b15
