[INFO] fetching crate otter-webdriver-tests 0.7.3...
[INFO] documenting otter-webdriver-tests-0.7.3 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate otter-webdriver-tests 0.7.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate otter-webdriver-tests 0.7.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate otter-webdriver-tests 0.7.3
[INFO] finished tweaking crates.io crate otter-webdriver-tests 0.7.3
[INFO] tweaked toml for crates.io crate otter-webdriver-tests 0.7.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate otter-webdriver-tests 0.7.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e25787466272caa3f8dffd800b326951fb0c8830216eeb00bb2313d37e93c3cf
[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" "e25787466272caa3f8dffd800b326951fb0c8830216eeb00bb2313d37e93c3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e25787466272caa3f8dffd800b326951fb0c8830216eeb00bb2313d37e93c3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25787466272caa3f8dffd800b326951fb0c8830216eeb00bb2313d37e93c3cf", kill_on_drop: false }`
[INFO] [stdout] e25787466272caa3f8dffd800b326951fb0c8830216eeb00bb2313d37e93c3cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] c7919f72aa96e90863c1d4c483d47eaf5bec89b61f6f63df64ce3cf926f3fa9f
[INFO] running `Command { std: "docker" "start" "-a" "c7919f72aa96e90863c1d4c483d47eaf5bec89b61f6f63df64ce3cf926f3fa9f", kill_on_drop: false }`
[INFO] [stderr]     Checking siphasher v0.3.5
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking if_chain v1.0.1
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking lazy-init v0.5.0
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling slotmap-fork-otter v1.0.2
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking uds v0.2.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling derive-into-owned v0.1.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking vecdeque-stableix v1.0.0
[INFO] [stderr]     Checking x11rb v0.8.1
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling delegate v0.6.1
[INFO] [stderr] error: could not compile `x11rb`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name x11rb --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x11rb-0.8.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=496fce08db9ebda1 -C extra-filename=-496fce08db9ebda1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern gethostname=/opt/rustwide/target/debug/deps/libgethostname-dca8c04870a20359.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-d1ae4f383d5b5b1e.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c7919f72aa96e90863c1d4c483d47eaf5bec89b61f6f63df64ce3cf926f3fa9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7919f72aa96e90863c1d4c483d47eaf5bec89b61f6f63df64ce3cf926f3fa9f", kill_on_drop: false }`
[INFO] [stdout] c7919f72aa96e90863c1d4c483d47eaf5bec89b61f6f63df64ce3cf926f3fa9f
