[INFO] fetching crate pubsub_grpc 0.4.0...
[INFO] checking pubsub_grpc-0.4.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate pubsub_grpc 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pubsub_grpc 0.4.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pubsub_grpc 0.4.0
[INFO] finished tweaking crates.io crate pubsub_grpc 0.4.0
[INFO] tweaked toml for crates.io crate pubsub_grpc 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.7.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.12
[INFO] [stderr]   Downloaded tokio-stream v0.1.3
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded tower v0.4.4
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded hyper v0.14.4
[INFO] [stderr]   Downloaded tokio-rustls v0.22.0
[INFO] [stderr]   Downloaded tokio v1.2.0
[INFO] [stderr]   Downloaded tonic v0.4.0
[INFO] [stderr]   Downloaded tower-layer v0.3.1
[INFO] [stderr]   Downloaded prost-derive v0.7.0
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] [stderr]   Downloaded prost-types v0.7.0
[INFO] [stderr]   Downloaded tokio-macros v1.1.0
[INFO] [stderr]   Downloaded tonic-build v0.4.0
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] [stderr]   Downloaded prost-build v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 2f65ce6963d941127c010d99692344b9c374431d1bb707ef78015b106f804ba3
[INFO] running `Command { std: "docker" "start" "-a" "2f65ce6963d941127c010d99692344b9c374431d1bb707ef78015b106f804ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f65ce6963d941127c010d99692344b9c374431d1bb707ef78015b106f804ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f65ce6963d941127c010d99692344b9c374431d1bb707ef78015b106f804ba3", kill_on_drop: false }`
[INFO] [stdout] 2f65ce6963d941127c010d99692344b9c374431d1bb707ef78015b106f804ba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--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] 45f006399e799ada0f15dd324fe4b490bdfd65e90f0a3db79226d892063cdc46
[INFO] running `Command { std: "docker" "start" "-a" "45f006399e799ada0f15dd324fe4b490bdfd65e90f0a3db79226d892063cdc46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking tower v0.4.4
[INFO] [stderr]    Compiling tonic-build v0.4.0
[INFO] [stderr]    Compiling pubsub_grpc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `pubsub_grpc v0.4.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pubsub_grpc-0e43f4c94cd95978/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '9c1dcf141bc0875407c4eb36972857bd3db713e2'
[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" "45f006399e799ada0f15dd324fe4b490bdfd65e90f0a3db79226d892063cdc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f006399e799ada0f15dd324fe4b490bdfd65e90f0a3db79226d892063cdc46", kill_on_drop: false }`
[INFO] [stdout] 45f006399e799ada0f15dd324fe4b490bdfd65e90f0a3db79226d892063cdc46