[INFO] cloning repository https://github.com/hderms/kefka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hderms/kefka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhderms%2Fkefka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhderms%2Fkefka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 083f5a6120dc7e623b8bea5b5ba0a840e9070a56
[INFO] checking hderms/kefka against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhderms%2Fkefka" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hderms/kefka on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hderms/kefka
[INFO] finished tweaking git repo https://github.com/hderms/kefka
[INFO] tweaked toml for git repo https://github.com/hderms/kefka written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hderms/kefka already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68e8bff9ae2e5a2acb10499ed4ebd0deda8c641f6cc6a2ac4d4ece3d56afefba
[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" "68e8bff9ae2e5a2acb10499ed4ebd0deda8c641f6cc6a2ac4d4ece3d56afefba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e8bff9ae2e5a2acb10499ed4ebd0deda8c641f6cc6a2ac4d4ece3d56afefba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e8bff9ae2e5a2acb10499ed4ebd0deda8c641f6cc6a2ac4d4ece3d56afefba", kill_on_drop: false }`
[INFO] [stdout] 68e8bff9ae2e5a2acb10499ed4ebd0deda8c641f6cc6a2ac4d4ece3d56afefba
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ef97b9ca4770b16c6728f53ca73db23e968b927c044c45fd8b3980294e47c70
[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" "0ef97b9ca4770b16c6728f53ca73db23e968b927c044c45fd8b3980294e47c70", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking envy v0.4.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]    Compiling kefka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr] error: failed to run custom build command for `kefka v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/kefka-431e3a3c32fe5141/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923'
[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" "0ef97b9ca4770b16c6728f53ca73db23e968b927c044c45fd8b3980294e47c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef97b9ca4770b16c6728f53ca73db23e968b927c044c45fd8b3980294e47c70", kill_on_drop: false }`
[INFO] [stdout] 0ef97b9ca4770b16c6728f53ca73db23e968b927c044c45fd8b3980294e47c70