[INFO] cloning repository https://github.com/kaaboaye/crawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaaboaye/crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Fcrawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Fcrawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08afe96964765837fa53d1f8292df26598ae2424
[INFO] documenting kaaboaye/crawler against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Fcrawler" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaaboaye/crawler on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaaboaye/crawler
[INFO] finished tweaking git repo https://github.com/kaaboaye/crawler
[INFO] tweaked toml for git repo https://github.com/kaaboaye/crawler written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kaaboaye/crawler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/servo/mio.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/spirv_cross`
[INFO] [stderr]     Updating git submodule `https://github.com/gfx-rs/SPIRV-Cross-Minimal`
[INFO] [stderr]     Updating git repository `https://github.com/servo/surfman`
[INFO] [stderr]     Updating git repository `https://github.com/asajeffrey/surfman-chains`
[INFO] [stderr]     Updating git repository `https://github.com/servo/winapi-rs`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webrender`
[INFO] [stderr]     Updating git repository `https://github.com/kvark/peek-poke`
[INFO] [stderr] warning: Patch `surfman v0.2.0 (https://github.com/servo/surfman#bc084411)` was not used in the crate graph.
[INFO] [stderr] Patch `surfman-chains v0.3.0 (https://github.com/asajeffrey/surfman-chains#b949a240)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sparkle v0.1.24
[INFO] [stderr]   Downloaded dtoa-short v0.3.0
[INFO] [stderr]   Downloaded darling_macro v0.10.1
[INFO] [stderr]   Downloaded uuid v0.8.0
[INFO] [stderr]   Downloaded darling_core v0.10.1
[INFO] [stderr]   Downloaded smallbitvec v2.3.0
[INFO] [stderr]   Downloaded darling v0.10.1
[INFO] [stderr]   Downloaded which v3.0.0
[INFO] [stderr]   Downloaded encoding_c_mem v0.2.5
[INFO] [stderr]   Downloaded metal v0.17.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.4.0
[INFO] [stderr]   Downloaded content-security-policy v0.4.1
[INFO] [stderr]   Downloaded keyboard-types v0.4.4
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.4.2
[INFO] [stderr]   Downloaded gfx-backend-metal v0.4.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.4.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45ebbc7e99970ada25647d0f5004a089af1ed4d25362ab1d83cd8ae394e371e3
[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" "45ebbc7e99970ada25647d0f5004a089af1ed4d25362ab1d83cd8ae394e371e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45ebbc7e99970ada25647d0f5004a089af1ed4d25362ab1d83cd8ae394e371e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ebbc7e99970ada25647d0f5004a089af1ed4d25362ab1d83cd8ae394e371e3", kill_on_drop: false }`
[INFO] [stdout] 45ebbc7e99970ada25647d0f5004a089af1ed4d25362ab1d83cd8ae394e371e3
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42cd2cd20a999ac0b6839e60c74f0f6952305213beea2a7d69a5af70a4c8712d
[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" "42cd2cd20a999ac0b6839e60c74f0f6952305213beea2a7d69a5af70a4c8712d", kill_on_drop: false }`
[INFO] [stderr] warning: Patch `surfman v0.2.0 (https://github.com/servo/surfman#bc084411)` was not used in the crate graph.
[INFO] [stderr] Patch `surfman-chains v0.3.0 (https://github.com/asajeffrey/surfman-chains#b949a240)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr] warning: Patch `surfman v0.2.0 (https://github.com/servo/surfman#bc084411)` was not used in the crate graph.
[INFO] [stderr] Patch `surfman-chains v0.3.0 (https://github.com/asajeffrey/surfman-chains#b949a240)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking smallbitvec v2.3.0
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]     Checking surfman-chains-api v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]     Checking servo-media-traits v0.1.0 (https://github.com/servo/media#62cd58a9)
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking boxfnonce v0.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling encoding_c_mem v0.2.5
[INFO] [stderr]     Checking byte-slice-cast v0.2.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling encoding_c v0.9.7
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]     Checking speexdsp-resampler v0.1.0
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]     Checking atomic_refcell v0.1.6
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo.git#58c0b3ef)
[INFO] [stderr]     Checking mitochondria v1.1.2
[INFO] [stderr]     Checking ref_filter_map v1.0.1
[INFO] [stderr]     Checking swapper v0.1.0
[INFO] [stderr]     Checking ref_slice v1.1.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/58c0b3e/components/script_plugins/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate rustc_ast;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `script_plugins`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "42cd2cd20a999ac0b6839e60c74f0f6952305213beea2a7d69a5af70a4c8712d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42cd2cd20a999ac0b6839e60c74f0f6952305213beea2a7d69a5af70a4c8712d", kill_on_drop: false }`
[INFO] [stdout] 42cd2cd20a999ac0b6839e60c74f0f6952305213beea2a7d69a5af70a4c8712d