[INFO] fetching crate lol-core 0.6.2...
[INFO] testing lol-core-0.6.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lol-core 0.6.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate lol-core 0.6.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lol-core 0.6.2
[INFO] finished tweaking crates.io crate lol-core 0.6.2
[INFO] tweaked toml for crates.io crate lol-core 0.6.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2021-01-01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded serde_bytes v0.11.5
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded tower-limit v0.3.1
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded httpdate v0.3.2
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded futures-macro v0.3.8
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] [stderr]   Downloaded nom v5.1.2
[INFO] [stderr]   Downloaded tower-discover v0.3.0
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] [stderr]   Downloaded hyper v0.13.9
[INFO] [stderr]   Downloaded bindgen v0.54.0
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded pin-project v0.4.27
[INFO] [stderr]   Downloaded pin-project-internal v0.4.27
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded tower-service v0.3.0
[INFO] [stderr]   Downloaded clang-sys v0.29.3
[INFO] [stderr]   Downloaded tracing-futures v0.2.4
[INFO] [stderr]   Downloaded tracing v0.1.22
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded async-trait v0.1.42
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded tokio-util v0.3.1
[INFO] [stderr]   Downloaded rocksdb v0.15.0
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[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded want v0.3.0
[INFO] [stderr]   Downloaded tower-buffer v0.3.0
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded tonic v0.3.1
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded h2 v0.2.7
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.6
[INFO] [stderr]   Downloaded prost-build v0.6.1
[INFO] [stderr]   Downloaded tower v0.3.1
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded tower-make v0.3.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded prost-types v0.6.1
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded http-body v0.3.1
[INFO] [stderr]   Downloaded socket2 v0.3.19
[INFO] [stderr]   Downloaded tower-retry v0.3.0
[INFO] [stderr]   Downloaded tower-load-shed v0.3.0
[INFO] [stderr]   Downloaded tower-timeout v0.3.0
[INFO] [stderr]   Downloaded tower-util v0.3.1
[INFO] [stderr]   Downloaded tower-layer v0.3.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded prost-derive v0.6.1
[INFO] [stderr]   Downloaded tonic-build v0.3.1
[INFO] [stderr]   Downloaded async-stream-impl v0.2.1
[INFO] [stderr]   Downloaded async-stream v0.2.1
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded tokio v0.2.24
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] [stderr]   Downloaded tower-ready-cache v0.3.1
[INFO] [stderr]   Downloaded tower-balance v0.3.0
[INFO] [stderr]   Downloaded prost v0.6.1
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded sync_wrapper v0.1.0
[INFO] [stderr]   Downloaded librocksdb-sys v6.11.4
[INFO] [stderr]   Downloaded phi-detector v0.3.0
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9386374ebe6a5259dc5a77c1851da78e06a3714fe8a50dcd5db6232dfb9c24aa
[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" "9386374ebe6a5259dc5a77c1851da78e06a3714fe8a50dcd5db6232dfb9c24aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9386374ebe6a5259dc5a77c1851da78e06a3714fe8a50dcd5db6232dfb9c24aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9386374ebe6a5259dc5a77c1851da78e06a3714fe8a50dcd5db6232dfb9c24aa", kill_on_drop: false }`
[INFO] [stdout] 9386374ebe6a5259dc5a77c1851da78e06a3714fe8a50dcd5db6232dfb9c24aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 020f271560fa353d465b4a12a0709f31da7fda30c73b08ab255d108ad3e9eee8
[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" "020f271560fa353d465b4a12a0709f31da7fda30c73b08ab255d108ad3e9eee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync_wrapper v0.1.0
[INFO] [stderr]    Compiling phi-detector v0.3.0
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]    Compiling rmp-serde v0.14.4
[INFO] [stderr]    Compiling lol-core v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr] error: failed to run custom build command for `lol-core v0.6.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lol-core-b941e4c071f60d54/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'beta-2021-01-01-x86_64-unknown-linux-gnu'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain beta-2021-01-01-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" "020f271560fa353d465b4a12a0709f31da7fda30c73b08ab255d108ad3e9eee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020f271560fa353d465b4a12a0709f31da7fda30c73b08ab255d108ad3e9eee8", kill_on_drop: false }`
[INFO] [stdout] 020f271560fa353d465b4a12a0709f31da7fda30c73b08ab255d108ad3e9eee8