[INFO] fetching crate engula-supreme-unit 0.1.0... [INFO] testing engula-supreme-unit-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate engula-supreme-unit 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate engula-supreme-unit 0.1.0 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 engula-supreme-unit 0.1.0 [INFO] finished tweaking crates.io crate engula-supreme-unit 0.1.0 [INFO] tweaked toml for crates.io crate engula-supreme-unit 0.1.0 written to /workspace/builds/worker-1/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] Downloading crates ... [INFO] [stderr] Downloaded microunit v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8bacffc8b82ccb18bd184dcc9838f7be6dcadd4ffb061eff77500f3626b8cb49 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8bacffc8b82ccb18bd184dcc9838f7be6dcadd4ffb061eff77500f3626b8cb49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8bacffc8b82ccb18bd184dcc9838f7be6dcadd4ffb061eff77500f3626b8cb49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bacffc8b82ccb18bd184dcc9838f7be6dcadd4ffb061eff77500f3626b8cb49", kill_on_drop: false }` [INFO] [stdout] 8bacffc8b82ccb18bd184dcc9838f7be6dcadd4ffb061eff77500f3626b8cb49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2c0293d380d82893b6973b3464c74fa7ceb6fc92898f8e19f557fcf8d451e353 [INFO] running `Command { std: "docker" "start" "-a" "2c0293d380d82893b6973b3464c74fa7ceb6fc92898f8e19f557fcf8d451e353", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling os_str_bytes v3.1.0 [INFO] [stderr] Compiling tokio v1.11.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling textwrap v0.14.2 [INFO] [stderr] Compiling http-body v0.4.3 [INFO] [stderr] Compiling prost-build v0.8.0 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling tracing v0.1.26 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.4 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling async-stream v0.3.2 [INFO] [stderr] Compiling prost-derive v0.8.0 [INFO] [stderr] Compiling clap v3.0.0-beta.4 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling tokio-util v0.6.8 [INFO] [stderr] Compiling tokio-stream v0.1.7 [INFO] [stderr] Compiling tokio-io-timeout v1.1.1 [INFO] [stderr] Compiling prost v0.8.0 [INFO] [stderr] Compiling h2 v0.3.4 [INFO] [stderr] Compiling tower v0.4.8 [INFO] [stderr] Compiling prost-types v0.8.0 [INFO] [stderr] Compiling tonic-build v0.5.2 [INFO] [stderr] Compiling microunit v0.1.1 [INFO] [stderr] Compiling hyper v0.14.12 [INFO] [stderr] error: failed to run custom build command for `microunit v0.1.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/microunit-63d4b581692ecc6f/build-script-build` (exit status: 1) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '1.55.0-x86_64-unknown-linux-gnu' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1.55.0-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" "2c0293d380d82893b6973b3464c74fa7ceb6fc92898f8e19f557fcf8d451e353", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c0293d380d82893b6973b3464c74fa7ceb6fc92898f8e19f557fcf8d451e353", kill_on_drop: false }` [INFO] [stdout] 2c0293d380d82893b6973b3464c74fa7ceb6fc92898f8e19f557fcf8d451e353