[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] testing kaaboaye/crawler against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Fcrawler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaaboaye/crawler on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-4/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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/servo.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/servo/media`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webrender`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webxr`
[INFO] [stderr]     Updating git repository `https://github.com/servo/mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/signpost.git`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[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 which v3.0.0
[INFO] [stderr]   Downloaded caseless v0.2.1
[INFO] [stderr]   Downloaded ident_case v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded atomic_refcell v0.1.6
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded rendy-descriptor v0.5.1
[INFO] [stderr]   Downloaded rand_isaac v0.2.0
[INFO] [stderr]   Downloaded xml5ever v0.16.1
[INFO] [stderr]   Downloaded dtoa-short v0.3.0
[INFO] [stderr]   Downloaded ash v0.29.0
[INFO] [stderr]   Downloaded raw-window-handle v0.3.1
[INFO] [stderr]   Downloaded colorful v0.2.1
[INFO] [stderr]   Downloaded gfx-auxil v0.1.0
[INFO] [stderr]   Downloaded byte-slice-cast v0.2.0
[INFO] [stderr]   Downloaded swapper v0.1.0
[INFO] [stderr]   Downloaded addr2line v0.12.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] [stderr]   Downloaded gfx-backend-empty v0.4.0
[INFO] [stderr]   Downloaded mitochondria v1.1.2
[INFO] [stderr]   Downloaded warp v0.1.22
[INFO] [stderr]   Downloaded speexdsp-resampler v0.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.4.1
[INFO] [stderr]   Downloaded gfx-hal v0.4.1
[INFO] [stderr]   Downloaded ref_filter_map v1.0.1
[INFO] [stderr]   Downloaded c2-chacha v0.2.4
[INFO] [stderr]   Downloaded relevant v0.4.2
[INFO] [stderr]   Downloaded image v0.23.0
[INFO] [stderr]   Downloaded rendy-memory v0.5.2
[INFO] [stderr]   Downloaded jemalloc-sys v0.3.2
[INFO] [stderr]   Downloaded headers-core v0.1.1
[INFO] [stderr]   Downloaded accountable-refcell v0.2.0
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.2
[INFO] [stderr]   Downloaded num-integer v0.1.38
[INFO] [stderr]   Downloaded bincode v1.0.0
[INFO] [stderr]   Downloaded headers v0.2.3
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded syn v1.0.3
[INFO] [stderr]   Downloaded socket2 v0.3.5
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.9
[INFO] [stderr]   Downloaded smallbitvec v2.3.0
[INFO] [stderr]   Downloaded ipc-channel v0.14.1
[INFO] [stderr]   Downloaded serde_json v1.0.27
[INFO] [stderr]   Downloaded darling_core v0.10.1
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.1
[INFO] [stderr]   Downloaded enum-iterator-derive v0.3.1
[INFO] [stderr]   Downloaded keyboard-types v0.4.4
[INFO] [stderr]   Downloaded app_units v0.7.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.4.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.4.0
[INFO] [stderr]   Downloaded darling v0.10.1
[INFO] [stderr]   Downloaded uluru v0.4.0
[INFO] [stderr]   Downloaded uuid v0.8.0
[INFO] [stderr]   Downloaded surfman-chains-api v0.2.0
[INFO] [stderr]   Downloaded sparkle v0.1.24
[INFO] [stderr]   Downloaded darling_macro v0.10.1
[INFO] [stderr]   Downloaded boxfnonce v0.1.0
[INFO] [stderr]   Downloaded encoding_c_mem v0.2.5
[INFO] [stderr]   Downloaded hyper_serde v0.11.1
[INFO] [stderr]   Downloaded ref_slice v1.1.1
[INFO] [stderr]   Downloaded enum-iterator v0.3.1
[INFO] [stderr]   Downloaded getopts v0.2.17
[INFO] [stderr]   Downloaded encoding_c v0.9.7
[INFO] [stderr]   Downloaded content-security-policy v0.4.1
[INFO] [stderr]   Downloaded metal v0.17.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.4.2
[INFO] [stderr]   Downloaded webdriver v0.40.1
[INFO] [stderr]   Downloaded mozangle v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e13902e4734d044c207cdbb9baa36f99305eeb7c34cb03ca1a50eea3a0a97c7
[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" "9e13902e4734d044c207cdbb9baa36f99305eeb7c34cb03ca1a50eea3a0a97c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e13902e4734d044c207cdbb9baa36f99305eeb7c34cb03ca1a50eea3a0a97c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e13902e4734d044c207cdbb9baa36f99305eeb7c34cb03ca1a50eea3a0a97c7", kill_on_drop: false }`
[INFO] [stdout] 9e13902e4734d044c207cdbb9baa36f99305eeb7c34cb03ca1a50eea3a0a97c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2df64e1398ac38826c1dc29d3619a9a6b70bff2ff989833be2a6b253d44c9a46
[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" "2df64e1398ac38826c1dc29d3619a9a6b70bff2ff989833be2a6b253d44c9a46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling smallbitvec v2.3.0
[INFO] [stderr]    Compiling base64 v0.12.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling surfman-chains-api v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]    Compiling servo-media-traits v0.1.0 (https://github.com/servo/media#62cd58a9)
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling boxfnonce v0.1.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling encoding_c v0.9.7
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling encoding_c_mem v0.2.5
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling byte-slice-cast v0.2.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling speexdsp-resampler v0.1.0
[INFO] [stderr]    Compiling urlencoding v1.0.0
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]    Compiling atomic_refcell v0.1.6
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo.git#58c0b3ef)
[INFO] [stderr]    Compiling ref_slice v1.1.1
[INFO] [stderr]    Compiling ref_filter_map v1.0.1
[INFO] [stderr]    Compiling swapper v0.1.0
[INFO] [stderr]    Compiling mitochondria v1.1.2
[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" "2df64e1398ac38826c1dc29d3619a9a6b70bff2ff989833be2a6b253d44c9a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df64e1398ac38826c1dc29d3619a9a6b70bff2ff989833be2a6b253d44c9a46", kill_on_drop: false }`
[INFO] [stdout] 2df64e1398ac38826c1dc29d3619a9a6b70bff2ff989833be2a6b253d44c9a46