[INFO] cloning repository https://github.com/BudiNverse/justbus-grpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BudiNverse/justbus-grpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBudiNverse%2Fjustbus-grpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBudiNverse%2Fjustbus-grpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3859f7fbf4620fe4a6e3d04c5cd7a96755483f91
[INFO] checking BudiNverse/justbus-grpc against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBudiNverse%2Fjustbus-grpc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BudiNverse/justbus-grpc 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/BudiNverse/justbus-grpc
[INFO] finished tweaking git repo https://github.com/BudiNverse/justbus-grpc
[INFO] tweaked toml for git repo https://github.com/BudiNverse/justbus-grpc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/BudiNverse/justbus-grpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] cf654308cc8cb3bb57e10ed94249bedaddb2d52cf0815f00f5ab569459e0ada9
[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" "cf654308cc8cb3bb57e10ed94249bedaddb2d52cf0815f00f5ab569459e0ada9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf654308cc8cb3bb57e10ed94249bedaddb2d52cf0815f00f5ab569459e0ada9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf654308cc8cb3bb57e10ed94249bedaddb2d52cf0815f00f5ab569459e0ada9", kill_on_drop: false }`
[INFO] [stdout] cf654308cc8cb3bb57e10ed94249bedaddb2d52cf0815f00f5ab569459e0ada9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2de15c92521d87c2af0f93525d3d5c3d36da2e27275cb87f5eb56f68c052dd5b
[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" "2de15c92521d87c2af0f93525d3d5c3d36da2e27275cb87f5eb56f68c052dd5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.5
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking cht v0.4.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.33
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tracing v0.1.15
[INFO] [stderr]     Checking pin-project v0.4.20
[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 tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-make 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]     Checking h2 v0.2.5
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]    Compiling tonic-build v0.2.0
[INFO] [stderr]    Compiling justbus-rpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr] error: failed to run custom build command for `justbus-rpc v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/justbus-rpc-5e9ec6b87a05426b/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" "2de15c92521d87c2af0f93525d3d5c3d36da2e27275cb87f5eb56f68c052dd5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de15c92521d87c2af0f93525d3d5c3d36da2e27275cb87f5eb56f68c052dd5b", kill_on_drop: false }`
[INFO] [stdout] 2de15c92521d87c2af0f93525d3d5c3d36da2e27275cb87f5eb56f68c052dd5b