[INFO] fetching crate pact-plugin-driver 0.0.10...
[INFO] checking pact-plugin-driver-0.0.10 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate pact-plugin-driver 0.0.10 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pact-plugin-driver 0.0.10 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pact-plugin-driver 0.0.10
[INFO] finished tweaking crates.io crate pact-plugin-driver 0.0.10
[INFO] tweaked toml for crates.io crate pact-plugin-driver 0.0.10 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9eeb9f3df87a90243cdeba2fd09ece1af19509a1c67376b8a7098a7cb85ac25
[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" "a9eeb9f3df87a90243cdeba2fd09ece1af19509a1c67376b8a7098a7cb85ac25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9eeb9f3df87a90243cdeba2fd09ece1af19509a1c67376b8a7098a7cb85ac25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9eeb9f3df87a90243cdeba2fd09ece1af19509a1c67376b8a7098a7cb85ac25", kill_on_drop: false }`
[INFO] [stdout] a9eeb9f3df87a90243cdeba2fd09ece1af19509a1c67376b8a7098a7cb85ac25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] c2aa186210fcade8a4ef608e1c9668cfa9024e1d4dd01122021e8ab92086c7c2
[INFO] running `Command { std: "docker" "start" "-a" "c2aa186210fcade8a4ef608e1c9668cfa9024e1d4dd01122021e8ab92086c7c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking ct-logs v0.8.0
[INFO] [stderr]     Checking rand_regex v0.15.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking tree_magic_mini v3.0.2
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling pact_models v0.2.1
[INFO] [stderr]     Checking onig v6.3.1
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
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[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
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[INFO] [stderr]     Checking tracing v0.1.29
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[INFO] [stderr]     Checking tracing-futures v0.2.5
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[INFO] [stderr]     Checking os_info v3.0.8
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking prost v0.8.0
[INFO] [stderr]     Checking prost-types v0.8.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling tonic-build v0.5.2
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking async-compression v0.3.8
[INFO] [stderr]     Checking tokio-io-timeout v1.1.1
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking tower v0.4.11
[INFO] [stderr]    Compiling pact-plugin-driver v0.0.9
[INFO] [stderr]    Compiling pact-plugin-driver v0.0.10
[INFO] [stderr]    Compiling pact-plugin-driver v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `pact-plugin-driver v0.0.10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pact-plugin-driver-f39d34baa58f4f7c/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '936f2600b6c903b04387f74ed5cbce88bb06d243'
[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" "c2aa186210fcade8a4ef608e1c9668cfa9024e1d4dd01122021e8ab92086c7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2aa186210fcade8a4ef608e1c9668cfa9024e1d4dd01122021e8ab92086c7c2", kill_on_drop: false }`
[INFO] [stdout] c2aa186210fcade8a4ef608e1c9668cfa9024e1d4dd01122021e8ab92086c7c2