[INFO] cloning repository https://github.com/dectl/prost-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dectl/prost-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdectl%2Fprost-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdectl%2Fprost-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7a07fbf9b5b6e379a220c1b0b20386d4875f518
[INFO] checking dectl/prost-test against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdectl%2Fprost-test" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dectl/prost-test on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dectl/prost-test
[INFO] finished tweaking git repo https://github.com/dectl/prost-test
[INFO] tweaked toml for git repo https://github.com/dectl/prost-test written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dectl/prost-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b6ac7999a62dbc1af2aed64a4d7a872d1cc6420e7ababd50c93f38021fb090
[INFO] running `Command { std: "docker" "start" "-a" "28b6ac7999a62dbc1af2aed64a4d7a872d1cc6420e7ababd50c93f38021fb090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b6ac7999a62dbc1af2aed64a4d7a872d1cc6420e7ababd50c93f38021fb090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b6ac7999a62dbc1af2aed64a4d7a872d1cc6420e7ababd50c93f38021fb090", kill_on_drop: false }`
[INFO] [stdout] 28b6ac7999a62dbc1af2aed64a4d7a872d1cc6420e7ababd50c93f38021fb090
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a6becf87966059de3578a80ce64a3654fdbb83220ca24535ccf8e1338e7755
[INFO] running `Command { std: "docker" "start" "-a" "68a6becf87966059de3578a80ce64a3654fdbb83220ca24535ccf8e1338e7755", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.6
[INFO] [stderr]    Compiling tonic-build v0.4.2
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]    Compiling prost-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `prost-test v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/prost-test-25797d10c264a942/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   /opt/rustwide/target/debug/build/prost-test-3d9815205d8ad6a6/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'c5fbcd35a8217a17f6b63a22217ace06cf8f5f02'
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "68a6becf87966059de3578a80ce64a3654fdbb83220ca24535ccf8e1338e7755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a6becf87966059de3578a80ce64a3654fdbb83220ca24535ccf8e1338e7755", kill_on_drop: false }`
[INFO] [stdout] 68a6becf87966059de3578a80ce64a3654fdbb83220ca24535ccf8e1338e7755