[INFO] cloning repository https://github.com/lavignes/roolz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lavignes/roolz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flavignes%2Froolz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flavignes%2Froolz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94f7a6abfc1bdf598697a7e4ab144536895bffd0
[INFO] checking lavignes/roolz against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flavignes%2Froolz" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lavignes/roolz on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lavignes/roolz
[INFO] finished tweaking git repo https://github.com/lavignes/roolz
[INFO] tweaked toml for git repo https://github.com/lavignes/roolz written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 127374f7c6bebcc43ee2a3d720105bc68b4f7cceff78375301f4d895a1d9e497
[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" "127374f7c6bebcc43ee2a3d720105bc68b4f7cceff78375301f4d895a1d9e497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "127374f7c6bebcc43ee2a3d720105bc68b4f7cceff78375301f4d895a1d9e497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127374f7c6bebcc43ee2a3d720105bc68b4f7cceff78375301f4d895a1d9e497", kill_on_drop: false }`
[INFO] [stdout] 127374f7c6bebcc43ee2a3d720105bc68b4f7cceff78375301f4d895a1d9e497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5550c2b673613edcc7a83ab4399dc2d435090aca64bfac874e734b5b0b630d1b
[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" "5550c2b673613edcc7a83ab4399dc2d435090aca64bfac874e734b5b0b630d1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-ctrlc v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking futures-util v0.3.8
[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-buffer v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]    Compiling roolz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr] error: failed to run custom build command for `roolz v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/roolz-7bf27e44c97eb652/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'beta-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain beta-x86_64-unknown-linux-gnu`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5550c2b673613edcc7a83ab4399dc2d435090aca64bfac874e734b5b0b630d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5550c2b673613edcc7a83ab4399dc2d435090aca64bfac874e734b5b0b630d1b", kill_on_drop: false }`
[INFO] [stdout] 5550c2b673613edcc7a83ab4399dc2d435090aca64bfac874e734b5b0b630d1b