[INFO] fetching crate engula-client 0.3.0...
[INFO] testing engula-client-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate engula-client 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate engula-client 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate engula-client 0.3.0
[INFO] finished tweaking crates.io crate engula-client 0.3.0
[INFO] tweaked toml for crates.io crate engula-client 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate engula-client 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 23756bfd60399b7343ea14186e794cae5847d3ada1671fc9d63b8596da6a2c2a
[INFO] running `Command { std: "docker" "start" "-a" "23756bfd60399b7343ea14186e794cae5847d3ada1671fc9d63b8596da6a2c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23756bfd60399b7343ea14186e794cae5847d3ada1671fc9d63b8596da6a2c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23756bfd60399b7343ea14186e794cae5847d3ada1671fc9d63b8596da6a2c2a", kill_on_drop: false }`
[INFO] [stdout] 23756bfd60399b7343ea14186e794cae5847d3ada1671fc9d63b8596da6a2c2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5188d8b9a98d7ab6e0234160baa82bc2804204b7eac9e1b4f78271a5cb35f9d
[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" "e5188d8b9a98d7ab6e0234160baa82bc2804204b7eac9e1b4f78271a5cb35f9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-util v0.7.0
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling tower v0.4.12
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling engula-apis v0.3.0
[INFO] [stderr] error: failed to run custom build command for `engula-apis v0.3.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/engula-apis-09d38e43f9eebd80/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '1.60.0-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain 1.60.0-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" "e5188d8b9a98d7ab6e0234160baa82bc2804204b7eac9e1b4f78271a5cb35f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5188d8b9a98d7ab6e0234160baa82bc2804204b7eac9e1b4f78271a5cb35f9d", kill_on_drop: false }`
[INFO] [stdout] e5188d8b9a98d7ab6e0234160baa82bc2804204b7eac9e1b4f78271a5cb35f9d