[INFO] cloning repository https://github.com/fbielejec/ws-load-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fbielejec/ws-load-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Fws-load-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Fws-load-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01731a30234f8fba763cec3a445c6c43e66616ea
[INFO] checking fbielejec/ws-load-test against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Fws-load-test" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fbielejec/ws-load-test on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fbielejec/ws-load-test
[INFO] finished tweaking git repo https://github.com/fbielejec/ws-load-test
[INFO] tweaked toml for git repo https://github.com/fbielejec/ws-load-test written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/fbielejec/ws-load-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] ed5ca7603b223308be279657b35f50928df651363d164d2cbae6a3236644681f
[INFO] running `Command { std: "docker" "start" "-a" "ed5ca7603b223308be279657b35f50928df651363d164d2cbae6a3236644681f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5ca7603b223308be279657b35f50928df651363d164d2cbae6a3236644681f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5ca7603b223308be279657b35f50928df651363d164d2cbae6a3236644681f", kill_on_drop: false }`
[INFO] [stdout] ed5ca7603b223308be279657b35f50928df651363d164d2cbae6a3236644681f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] cdb92c332919052105b6bc0d12a8eb594db4f0a0d2bf998735260a3adfa4e69d
[INFO] running `Command { std: "docker" "start" "-a" "cdb92c332919052105b6bc0d12a8eb594db4f0a0d2bf998735260a3adfa4e69d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking hdrhistogram v7.1.0
[INFO] [stderr]     Checking async-tls v0.11.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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]     Checking failure v0.1.8
[INFO] [stderr]     Checking plotlib v0.5.1
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking prost-types v0.7.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking async-tungstenite v0.12.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tokio-util v0.6.1
[INFO] [stderr]     Checking tower v0.4.3
[INFO] [stderr]    Compiling tonic-build v0.2.0
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]    Compiling load-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `load-test v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/load-test-39633f38f04c8142/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '195ad4830e11a544391abe296b146450dea8411b'
[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" "cdb92c332919052105b6bc0d12a8eb594db4f0a0d2bf998735260a3adfa4e69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb92c332919052105b6bc0d12a8eb594db4f0a0d2bf998735260a3adfa4e69d", kill_on_drop: false }`
[INFO] [stdout] cdb92c332919052105b6bc0d12a8eb594db4f0a0d2bf998735260a3adfa4e69d