[INFO] fetching crate otter-webdriver-tests 0.7.1...
[INFO] checking otter-webdriver-tests-0.7.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate otter-webdriver-tests 0.7.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate otter-webdriver-tests 0.7.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate otter-webdriver-tests 0.7.1
[INFO] finished tweaking crates.io crate otter-webdriver-tests 0.7.1
[INFO] tweaked toml for crates.io crate otter-webdriver-tests 0.7.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate otter-webdriver-tests 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded otter-base v0.7.1
[INFO] [stderr]   Downloaded enum-map v1.1.1
[INFO] [stderr]   Downloaded index_vec v0.1.2
[INFO] [stderr]   Downloaded enum-map-derive v0.6.0
[INFO] [stderr]   Downloaded enum_dispatch v0.3.7
[INFO] [stderr]   Downloaded cast_trait_object v0.1.3
[INFO] [stderr]   Downloaded derive-into-owned v0.1.0
[INFO] [stderr]   Downloaded lazy-init v0.5.0
[INFO] [stderr]   Downloaded fontdb v0.5.4
[INFO] [stderr]   Downloaded extend v1.0.1
[INFO] [stderr]   Downloaded tera v1.10.0
[INFO] [stderr]   Downloaded uds v0.2.6
[INFO] [stderr]   Downloaded bundle-sources v0.0.1
[INFO] [stderr]   Downloaded thirtyfour v0.24.2
[INFO] [stderr]   Downloaded usvg v0.14.1
[INFO] [stderr]   Downloaded kurbo v0.8.1
[INFO] [stderr]   Downloaded thirtyfour_sync v0.24.1
[INFO] [stderr]   Downloaded vecdeque-stableix v1.0.0
[INFO] [stderr]   Downloaded openssh-keys v0.5.0
[INFO] [stderr]   Downloaded slotmap-fork-otter v1.0.2
[INFO] [stderr]   Downloaded otter-api-tests v0.7.1
[INFO] [stderr]   Downloaded otter v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ec43b4981c23a8ae6c22a40c64e75405e3dce3c825dff109e1fa3055b759ed7
[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" "0ec43b4981c23a8ae6c22a40c64e75405e3dce3c825dff109e1fa3055b759ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ec43b4981c23a8ae6c22a40c64e75405e3dce3c825dff109e1fa3055b759ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec43b4981c23a8ae6c22a40c64e75405e3dce3c825dff109e1fa3055b759ed7", kill_on_drop: false }`
[INFO] [stdout] 0ec43b4981c23a8ae6c22a40c64e75405e3dce3c825dff109e1fa3055b759ed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 2be47d646134c370ba3dc21bffe2341607da67dbfd1bbaf6b3e077a409d2e1eb
[INFO] running `Command { std: "docker" "start" "-a" "2be47d646134c370ba3dc21bffe2341607da67dbfd1bbaf6b3e077a409d2e1eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling erased-serde v0.3.15
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]     Checking lazy-init v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling slotmap-fork-otter v1.0.2
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.25.2
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking ordered-float v2.5.1
[INFO] [stderr]     Checking vecdeque-stableix v1.0.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking term_size v0.3.2
[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 parking_lot_core v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking uds v0.2.6
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling derive-into-owned v0.1.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]     Checking x11rb v0.8.1
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[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=d8a83c8b21bbaeb4 -C extra-filename=-d8a83c8b21bbaeb4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern gethostname=/opt/rustwide/target/debug/deps/libgethostname-ca0c6e5d5b6d594b.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-fb3d928f37a6dd68.rmeta --cap-lints allow --cap-lints=forbid` (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" "2be47d646134c370ba3dc21bffe2341607da67dbfd1bbaf6b3e077a409d2e1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be47d646134c370ba3dc21bffe2341607da67dbfd1bbaf6b3e077a409d2e1eb", kill_on_drop: false }`
[INFO] [stdout] 2be47d646134c370ba3dc21bffe2341607da67dbfd1bbaf6b3e077a409d2e1eb