[INFO] fetching crate liftbridge 0.1.2...
[INFO] checking liftbridge-0.1.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate liftbridge 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate liftbridge 0.1.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liftbridge 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate liftbridge 0.1.2
[INFO] tweaked toml for crates.io crate liftbridge 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate liftbridge 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.11
[INFO] [stderr]   Downloaded derive_more v0.99.9
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.9
[INFO] [stderr]   Downloaded hyper v0.13.7
[INFO] [stderr]   Downloaded lru v0.6.0
[INFO] [stderr]   Downloaded actix-macros v0.1.2
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded instant v0.1.6
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded syn v1.0.34
[INFO] [stderr]   Downloaded tracing v0.1.16
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6cd55a4bf73eabd874312675830cc0c7fe7186a8f94b44a0393cc46198c8920
[INFO] running `Command { std: "docker" "start" "-a" "d6cd55a4bf73eabd874312675830cc0c7fe7186a8f94b44a0393cc46198c8920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6cd55a4bf73eabd874312675830cc0c7fe7186a8f94b44a0393cc46198c8920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6cd55a4bf73eabd874312675830cc0c7fe7186a8f94b44a0393cc46198c8920", kill_on_drop: false }`
[INFO] [stdout] d6cd55a4bf73eabd874312675830cc0c7fe7186a8f94b44a0393cc46198c8920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0419fc738f9cdbb007278c8acde2c8a799eff6ef85a06255223901fc4630e100
[INFO] running `Command { std: "docker" "start" "-a" "0419fc738f9cdbb007278c8acde2c8a799eff6ef85a06255223901fc4630e100", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking lru v0.6.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]    Compiling tonic-build v0.3.0
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]    Compiling liftbridge v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `liftbridge v0.1.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/liftbridge-9a86b8e73b62395b/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'ddfd70ee3c3748e597b32f416b0d15a4f6e37685'
[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" "0419fc738f9cdbb007278c8acde2c8a799eff6ef85a06255223901fc4630e100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0419fc738f9cdbb007278c8acde2c8a799eff6ef85a06255223901fc4630e100", kill_on_drop: false }`
[INFO] [stdout] 0419fc738f9cdbb007278c8acde2c8a799eff6ef85a06255223901fc4630e100