[INFO] fetching crate otter-webdriver-tests 0.7.3...
[INFO] documenting otter-webdriver-tests-0.7.3 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate otter-webdriver-tests 0.7.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate otter-webdriver-tests 0.7.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-3/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" "+beta-2021-08-01" "fetch" "--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 openssh-keys v0.5.0
[INFO] [stderr]   Downloaded uds v0.2.6
[INFO] [stderr]   Downloaded delegate v0.6.1
[INFO] [stderr]   Downloaded thirtyfour v0.25.1
[INFO] [stderr]   Downloaded cast_trait_object v0.1.3
[INFO] [stderr]   Downloaded index_vec v0.1.2
[INFO] [stderr]   Downloaded flexi_logger v0.18.0
[INFO] [stderr]   Downloaded derive-into-owned v0.1.0
[INFO] [stderr]   Downloaded kurbo v0.8.0
[INFO] [stderr]   Downloaded lazy-init v0.5.0
[INFO] [stderr]   Downloaded usvg v0.15.0
[INFO] [stderr]   Downloaded stringmatch v0.3.2
[INFO] [stderr]   Downloaded bundle-sources v0.0.1
[INFO] [stderr]   Downloaded vecdeque-stableix v1.0.0
[INFO] [stderr]   Downloaded otter-api-tests v0.7.3
[INFO] [stderr]   Downloaded slotmap-fork-otter v1.0.2
[INFO] [stderr]   Downloaded thirtyfour_sync v0.25.0
[INFO] [stderr]   Downloaded otter v0.7.3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf4b79f59ee017dece445df326dcd81dcaa4dc251ea73c96e34a383d247e41ac
[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" "bf4b79f59ee017dece445df326dcd81dcaa4dc251ea73c96e34a383d247e41ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf4b79f59ee017dece445df326dcd81dcaa4dc251ea73c96e34a383d247e41ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4b79f59ee017dece445df326dcd81dcaa4dc251ea73c96e34a383d247e41ac", kill_on_drop: false }`
[INFO] [stdout] bf4b79f59ee017dece445df326dcd81dcaa4dc251ea73c96e34a383d247e41ac
[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" "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" "+beta-2021-08-01" "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] 41122c6a844f14b904454b2b1c85ced332d340098931b751ee87acd592669641
[INFO] running `Command { std: "docker" "start" "-a" "41122c6a844f14b904454b2b1c85ced332d340098931b751ee87acd592669641", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking if_chain v1.0.1
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking lazy-init v0.5.0
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling slotmap-fork-otter v1.0.2
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking uds v0.2.6
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking nix v0.20.0
[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 rand_core v0.6.3
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking vecdeque-stableix v1.0.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling html5ever v0.25.1
[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 ghost v0.1.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling delegate v0.6.1
[INFO] [stderr]    Compiling enum_dispatch v0.3.7
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.20.0/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=f7064373e7ef742b -C extra-filename=-f7064373e7ef742b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-7925d1bf53c9b12a.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-86cb6b55248c00db.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-9545ac4a144a3a20.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" "41122c6a844f14b904454b2b1c85ced332d340098931b751ee87acd592669641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41122c6a844f14b904454b2b1c85ced332d340098931b751ee87acd592669641", kill_on_drop: false }`
[INFO] [stdout] 41122c6a844f14b904454b2b1c85ced332d340098931b751ee87acd592669641
