[INFO] fetching crate lol-core 0.7.1...
[INFO] checking lol-core-0.7.1 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate lol-core 0.7.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lol-core 0.7.1 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lol-core 0.7.1
[INFO] finished tweaking crates.io crate lol-core 0.7.1
[INFO] tweaked toml for crates.io crate lol-core 0.7.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic v0.4.1
[INFO] [stderr]   Downloaded tower v0.4.6
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded tokio-util v0.6.5
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded prost v0.7.0
[INFO] [stderr]   Downloaded tower-layer v0.3.1
[INFO] [stderr]   Downloaded tokio-stream v0.1.5
[INFO] [stderr]   Downloaded rocksdb v0.15.0
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded async-trait v0.1.48
[INFO] [stderr]   Downloaded futures-executor v0.3.13
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded http-body v0.4.1
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded socket2 v0.4.0
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded futures v0.3.13
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] [stderr]   Downloaded clang-sys v0.29.3
[INFO] [stderr]   Downloaded tokio v1.4.0
[INFO] [stderr]   Downloaded hyper v0.14.5
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded tonic-build v0.4.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.5
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded mio v0.7.11
[INFO] [stderr]   Downloaded tokio-macros v1.1.0
[INFO] [stderr]   Downloaded bindgen v0.54.0
[INFO] [stderr]   Downloaded h2 v0.3.2
[INFO] [stderr]   Downloaded which v4.1.0
[INFO] [stderr]   Downloaded multimap v0.8.3
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded phi-detector v0.3.0
[INFO] [stderr]   Downloaded sync_wrapper v0.1.0
[INFO] [stderr]   Downloaded prost-types v0.7.0
[INFO] [stderr]   Downloaded prost-derive v0.7.0
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded prost-build v0.7.0
[INFO] [stderr]   Downloaded librocksdb-sys v6.11.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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] c6edc041678cbc57897d3f4b05a09a15d8adca5b8d3d589bf40c23d42be78554
[INFO] running `Command { std: "docker" "start" "-a" "c6edc041678cbc57897d3f4b05a09a15d8adca5b8d3d589bf40c23d42be78554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6edc041678cbc57897d3f4b05a09a15d8adca5b8d3d589bf40c23d42be78554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6edc041678cbc57897d3f4b05a09a15d8adca5b8d3d589bf40c23d42be78554", kill_on_drop: false }`
[INFO] [stdout] c6edc041678cbc57897d3f4b05a09a15d8adca5b8d3d589bf40c23d42be78554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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] 1797980696b7d89278e915373db8cfb5f12bf43bf104d8336a8de785dc865d28
[INFO] running `Command { std: "docker" "start" "-a" "1797980696b7d89278e915373db8cfb5f12bf43bf104d8336a8de785dc865d28", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking phi-detector v0.3.0
[INFO] [stderr]     Checking sync_wrapper v0.1.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]    Compiling tonic-build v0.4.1
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]    Compiling lol-core v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking tower v0.4.6
[INFO] [stderr] error: failed to run custom build command for `lol-core v0.7.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lol-core-0ddc909f492fdf12/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '99a443d6903f71d521237d8acb5a3016b534d17b'
[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" "1797980696b7d89278e915373db8cfb5f12bf43bf104d8336a8de785dc865d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1797980696b7d89278e915373db8cfb5f12bf43bf104d8336a8de785dc865d28", kill_on_drop: false }`
[INFO] [stdout] 1797980696b7d89278e915373db8cfb5f12bf43bf104d8336a8de785dc865d28