[INFO] fetching crate chromiumoxide_cdp 0.1.0...
[INFO] checking chromiumoxide_cdp-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate chromiumoxide_cdp 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate chromiumoxide_cdp 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chromiumoxide_cdp 0.1.0
[INFO] finished tweaking crates.io crate chromiumoxide_cdp 0.1.0
[INFO] tweaked toml for crates.io crate chromiumoxide_cdp 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 039285485f18d7d5575f9c6ebd8d6f9f1ae05dd4917084cfb02d68501a777f5b
[INFO] running `Command { std: "docker" "start" "-a" "039285485f18d7d5575f9c6ebd8d6f9f1ae05dd4917084cfb02d68501a777f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "039285485f18d7d5575f9c6ebd8d6f9f1ae05dd4917084cfb02d68501a777f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039285485f18d7d5575f9c6ebd8d6f9f1ae05dd4917084cfb02d68501a777f5b", kill_on_drop: false }`
[INFO] [stdout] 039285485f18d7d5575f9c6ebd8d6f9f1ae05dd4917084cfb02d68501a777f5b
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41a8e1fb32b43fee3e5fd56bb14b84d839e34d64eed3d80cfeaa60d6e6c4e47a
[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" "41a8e1fb32b43fee3e5fd56bb14b84d839e34d64eed3d80cfeaa60d6e6c4e47a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking chromiumoxide_types v0.1.0
[INFO] [stderr]     Checking chromiumoxide_pdl v0.1.0
[INFO] [stderr]    Compiling chromiumoxide_cdp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `chromiumoxide_cdp v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/chromiumoxide_cdp-ff29ac2999cf9ad3/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5'
[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] running `Command { std: "docker" "inspect" "41a8e1fb32b43fee3e5fd56bb14b84d839e34d64eed3d80cfeaa60d6e6c4e47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a8e1fb32b43fee3e5fd56bb14b84d839e34d64eed3d80cfeaa60d6e6c4e47a", kill_on_drop: false }`
[INFO] [stdout] 41a8e1fb32b43fee3e5fd56bb14b84d839e34d64eed3d80cfeaa60d6e6c4e47a