[INFO] cloning repository https://github.com/pgherveou/spawner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pgherveou/spawner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgherveou%2Fspawner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgherveou%2Fspawner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b42fab6af8b5598786fae27773a6aed0d4d33e4b
[INFO] checking pgherveou/spawner/b42fab6af8b5598786fae27773a6aed0d4d33e4b against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgherveou%2Fspawner" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pgherveou/spawner
[INFO] finished tweaking git repo https://github.com/pgherveou/spawner
[INFO] tweaked toml for git repo https://github.com/pgherveou/spawner written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pgherveou/spawner on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pgherveou/spawner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-derive v0.7.0
[INFO] [stderr]   Downloaded prost-types v0.7.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded which v4.1.0
[INFO] [stderr]   Downloaded prost v0.7.0
[INFO] [stderr]   Downloaded http-body v0.4.1
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded futures-executor v0.3.14
[INFO] [stderr]   Downloaded tonic-build v0.4.2
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded tokio-util v0.6.6
[INFO] [stderr]   Downloaded tonic v0.4.2
[INFO] [stderr]   Downloaded tower v0.4.6
[INFO] [stderr]   Downloaded h2 v0.3.2
[INFO] [stderr]   Downloaded hyper v0.14.5
[INFO] [stderr]   Downloaded tokio v1.5.0
[INFO] [stderr]   Downloaded prost-build v0.7.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90cd53dd3b5b1d78f154e0765c4f18b3f3590eeceb1fbf88bb4f5809d3ffe42c
[INFO] running `Command { std: "docker" "start" "-a" "90cd53dd3b5b1d78f154e0765c4f18b3f3590eeceb1fbf88bb4f5809d3ffe42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90cd53dd3b5b1d78f154e0765c4f18b3f3590eeceb1fbf88bb4f5809d3ffe42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cd53dd3b5b1d78f154e0765c4f18b3f3590eeceb1fbf88bb4f5809d3ffe42c", kill_on_drop: false }`
[INFO] [stdout] 90cd53dd3b5b1d78f154e0765c4f18b3f3590eeceb1fbf88bb4f5809d3ffe42c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cabfd634c2ac84c9ba43a68b1e0ea4da116d1e24f35837765f1c06e9f2d8d761
[INFO] running `Command { std: "docker" "start" "-a" "cabfd634c2ac84c9ba43a68b1e0ea4da116d1e24f35837765f1c06e9f2d8d761", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling tonic-build v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]    Compiling spawner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr] error: failed to run custom build command for `spawner v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/spawner-27f5ab4307a1efb2/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the custom toolchain 'f8463896a9b36a04899c013bd8825a7fd29dd7a4'.
[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] running `Command { std: "docker" "inspect" "cabfd634c2ac84c9ba43a68b1e0ea4da116d1e24f35837765f1c06e9f2d8d761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabfd634c2ac84c9ba43a68b1e0ea4da116d1e24f35837765f1c06e9f2d8d761", kill_on_drop: false }`
[INFO] [stdout] cabfd634c2ac84c9ba43a68b1e0ea4da116d1e24f35837765f1c06e9f2d8d761