[INFO] fetching crate grr-plugin 0.2.0...
[INFO] checking grr-plugin-0.2.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate grr-plugin 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate grr-plugin 0.2.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grr-plugin 0.2.0
[INFO] finished tweaking crates.io crate grr-plugin 0.2.0
[INFO] tweaked toml for crates.io crate grr-plugin 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic-health v0.5.0
[INFO] [stderr]   Downloaded portpicker v0.1.1
[INFO] [stderr]   Downloaded prost-types v0.9.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v18.0.0
[INFO] [stderr]   Downloaded gag v1.0.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v18.0.0
[INFO] [stderr]   Downloaded tonic-build v0.6.2
[INFO] [stderr]   Downloaded filedescriptor v0.8.2
[INFO] [stderr]   Downloaded jsonrpc-pubsub v18.0.0
[INFO] [stderr]   Downloaded tonic v0.6.2
[INFO] [stderr]   Downloaded jsonrpc-client-transports v18.0.0
[INFO] [stderr]   Downloaded prost-build v0.9.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f244996b5db3c456ae306cc8194d00f33c464fd0a45c0d87fb0e4e89dd4a528e
[INFO] running `Command { std: "docker" "start" "-a" "f244996b5db3c456ae306cc8194d00f33c464fd0a45c0d87fb0e4e89dd4a528e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f244996b5db3c456ae306cc8194d00f33c464fd0a45c0d87fb0e4e89dd4a528e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f244996b5db3c456ae306cc8194d00f33c464fd0a45c0d87fb0e4e89dd4a528e", kill_on_drop: false }`
[INFO] [stdout] f244996b5db3c456ae306cc8194d00f33c464fd0a45c0d87fb0e4e89dd4a528e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a498c6c5c1b8a78d7266202ccdc08ae01fe3acec2ec461173e7cf1abb5fd39d2
[INFO] running `Command { std: "docker" "start" "-a" "a498c6c5c1b8a78d7266202ccdc08ae01fe3acec2ec461173e7cf1abb5fd39d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking portpicker v0.1.1
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking triggered v0.1.2
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling async-recursion v1.1.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking filedescriptor v0.8.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]     Checking gag v1.0.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling tonic-health v0.5.0
[INFO] [stderr]    Compiling grr-plugin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `grr-plugin v0.2.0 (/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/grr-plugin-26645b0316d80ee4/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the custom toolchain '30f74ff0dc4d66debc8b50724c446f817e5f75f4'.
[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" "a498c6c5c1b8a78d7266202ccdc08ae01fe3acec2ec461173e7cf1abb5fd39d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a498c6c5c1b8a78d7266202ccdc08ae01fe3acec2ec461173e7cf1abb5fd39d2", kill_on_drop: false }`
[INFO] [stdout] a498c6c5c1b8a78d7266202ccdc08ae01fe3acec2ec461173e7cf1abb5fd39d2
[INFO] checking grr-plugin-0.2.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate grr-plugin 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate grr-plugin 0.2.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grr-plugin 0.2.0
[INFO] finished tweaking crates.io crate grr-plugin 0.2.0
[INFO] tweaked toml for crates.io crate grr-plugin 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d7648fa0c9d8c06542fe04a01c1f97ab52f6c33422d49d6ba0a7ed604cacdcc
[INFO] running `Command { std: "docker" "start" "-a" "8d7648fa0c9d8c06542fe04a01c1f97ab52f6c33422d49d6ba0a7ed604cacdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d7648fa0c9d8c06542fe04a01c1f97ab52f6c33422d49d6ba0a7ed604cacdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7648fa0c9d8c06542fe04a01c1f97ab52f6c33422d49d6ba0a7ed604cacdcc", kill_on_drop: false }`
[INFO] [stdout] 8d7648fa0c9d8c06542fe04a01c1f97ab52f6c33422d49d6ba0a7ed604cacdcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfdf5fe37143b50450ac7406f6f23df8ff79fe6c03dee54818496a57e1c0f33b
[INFO] running `Command { std: "docker" "start" "-a" "cfdf5fe37143b50450ac7406f6f23df8ff79fe6c03dee54818496a57e1c0f33b", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking portpicker v0.1.1
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking triggered v0.1.2
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling async-recursion v1.1.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]     Checking filedescriptor v0.8.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking gag v1.0.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling tonic-health v0.5.0
[INFO] [stderr]    Compiling grr-plugin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr] error: failed to run custom build command for `grr-plugin v0.2.0 (/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/grr-plugin-26645b0316d80ee4/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the custom toolchain '72eda894eb3548c7ba774079ce0afab42958d4ee'.
[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" "cfdf5fe37143b50450ac7406f6f23df8ff79fe6c03dee54818496a57e1c0f33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdf5fe37143b50450ac7406f6f23df8ff79fe6c03dee54818496a57e1c0f33b", kill_on_drop: false }`
[INFO] [stdout] cfdf5fe37143b50450ac7406f6f23df8ff79fe6c03dee54818496a57e1c0f33b
