[INFO] cloning repository https://github.com/hellux/servim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hellux/servim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellux%2Fservim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellux%2Fservim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00260e021da12237ec23e73d4beb25fffb63a9eb
[INFO] testing hellux/servim against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhellux%2Fservim" "/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/hellux/servim 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/hellux/servim
[INFO] finished tweaking git repo https://github.com/hellux/servim
[INFO] tweaked toml for git repo https://github.com/hellux/servim written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hellux/servim 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/jdm/raqote`
[INFO] [stderr]     Updating git repository `https://github.com/jdm/webrender`
[INFO] [stderr]     Updating git repository `https://github.com/servo/servo.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/media`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webxr`
[INFO] [stderr]     Updating git repository `https://github.com/servo/devices`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/signpost.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[INFO] [stderr]     Updating git repository `https://github.com/servo/mozjs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded surfman-chains-api v0.2.0
[INFO] [stderr]   Downloaded ipc-channel v0.14.1
[INFO] [stderr]   Downloaded gstreamer-audio v0.15.7
[INFO] [stderr]   Downloaded async-tungstenite v0.7.1
[INFO] [stderr]   Downloaded gstreamer-webrtc-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-audio-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-player v0.15.5
[INFO] [stderr]   Downloaded gstreamer-sdp v0.15.6
[INFO] [stderr]   Downloaded rayon_croissant v0.2.0
[INFO] [stderr]   Downloaded core-graphics v0.22.0
[INFO] [stderr]   Downloaded byte-slice-cast v0.2.0
[INFO] [stderr]   Downloaded core-text v19.0.0
[INFO] [stderr]   Downloaded ucd v0.1.1
[INFO] [stderr]   Downloaded cfg_aliases v0.1.0
[INFO] [stderr]   Downloaded gstreamer-video-sys v0.8.1
[INFO] [stderr]   Downloaded accountable-refcell v0.2.0
[INFO] [stderr]   Downloaded gstreamer v0.15.7
[INFO] [stderr]   Downloaded atomic_refcell v0.1.6
[INFO] [stderr]   Downloaded gstreamer-app v0.15.6
[INFO] [stderr]   Downloaded libloading v0.6.1
[INFO] [stderr]   Downloaded smallbitvec v2.5.0
[INFO] [stderr]   Downloaded surfman v0.3.0
[INFO] [stderr]   Downloaded encoding_c_mem v0.2.6
[INFO] [stderr]   Downloaded gstreamer-webrtc v0.15.5
[INFO] [stderr]   Downloaded sig v1.0.0
[INFO] [stderr]   Downloaded tracy-rs v0.1.2
[INFO] [stderr]   Downloaded speexdsp-resampler v0.1.0
[INFO] [stderr]   Downloaded gstreamer-gl-sys v0.8.1
[INFO] [stderr]   Downloaded content-security-policy v0.4.2
[INFO] [stderr]   Downloaded blurmock v0.1.3
[INFO] [stderr]   Downloaded gstreamer-player-sys v0.8.1
[INFO] [stderr]   Downloaded time-point v0.1.1
[INFO] [stderr]   Downloaded gstreamer-sdp-sys v0.8.0
[INFO] [stderr]   Downloaded gstreamer-video v0.15.7
[INFO] [stderr]   Downloaded sparkle v0.1.25
[INFO] [stderr]   Downloaded swapper v0.1.0
[INFO] [stderr]   Downloaded gstreamer-gl v0.15.0
[INFO] [stderr]   Downloaded surfman-chains v0.5.0
[INFO] [stderr]   Downloaded enum-iterator-derive v0.3.1
[INFO] [stderr]   Downloaded servo-fontconfig v0.5.0
[INFO] [stderr]   Downloaded loom v0.3.5
[INFO] [stderr]   Downloaded unwind-sys v0.1.1
[INFO] [stderr]   Downloaded ref_filter_map v1.0.1
[INFO] [stderr]   Downloaded hyper_serde v0.11.1
[INFO] [stderr]   Downloaded svg_fmt v0.4.0
[INFO] [stderr]   Downloaded build-parallel v0.1.1
[INFO] [stderr]   Downloaded enum-iterator v0.3.1
[INFO] [stderr]   Downloaded rand_isaac v0.2.0
[INFO] [stderr]   Downloaded harfbuzz-sys v0.5.0
[INFO] [stderr]   Downloaded webdriver v0.40.1
[INFO] [stderr]   Downloaded gstreamer-app-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-sys v0.8.1
[INFO] [stderr]   Downloaded moite_moite v0.2.0
[INFO] [stderr]   Downloaded gaol v0.2.1
[INFO] [stderr]   Downloaded warp v0.1.22
[INFO] [stderr]   Downloaded gstreamer-base v0.15.4
[INFO] [stderr]   Downloaded display-link v0.2.0
[INFO] [stderr]   Downloaded uluru v0.4.0
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.8.1
[INFO] [stderr]   Downloaded mozangle v0.2.7
[INFO] [stderr]   Downloaded wayland-sys v0.24.0
[INFO] [stderr]   Downloaded mitochondria v1.1.2
[INFO] [stderr]   Downloaded encoding_c v0.9.7
[INFO] [stderr]   Downloaded glslopt v0.1.5
[INFO] [stderr]   Downloaded half v1.0.0
[INFO] [stderr]   Downloaded immeta v0.4.0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ae24e04b2bcc27617e4c64d27d03bb54de9d2a58a86d690b3e41edd96e1113a
[INFO] running `Command { std: "docker" "start" "-a" "3ae24e04b2bcc27617e4c64d27d03bb54de9d2a58a86d690b3e41edd96e1113a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ae24e04b2bcc27617e4c64d27d03bb54de9d2a58a86d690b3e41edd96e1113a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae24e04b2bcc27617e4c64d27d03bb54de9d2a58a86d690b3e41edd96e1113a", kill_on_drop: false }`
[INFO] [stdout] 3ae24e04b2bcc27617e4c64d27d03bb54de9d2a58a86d690b3e41edd96e1113a
[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] 4a9a695be434fc3ad16aef018e66e42af04cbaf452fb26edc1eebb1878244fdb
[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" "4a9a695be434fc3ad16aef018e66e42af04cbaf452fb26edc1eebb1878244fdb", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling base64 v0.12.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling smallbitvec v2.5.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling libloading v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling servo-media-traits v0.1.0 (https://github.com/servo/media#cdf82da4)
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling gstreamer v0.15.7
[INFO] [stderr]    Compiling speexdsp-resampler v0.1.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.6
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling byte-slice-cast v0.2.0
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling inplace_it v0.3.2
[INFO] [stderr]    Compiling signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]    Compiling muldiv v0.2.1
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling gstreamer-base v0.15.4
[INFO] [stderr]    Compiling cfg_aliases v0.1.0
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling encoding_c v0.9.7
[INFO] [stderr]    Compiling encoding_c_mem v0.2.6
[INFO] [stderr]    Compiling ucd v0.1.1
[INFO] [stderr]    Compiling unicode-script v0.5.2
[INFO] [stderr]    Compiling gstreamer-video v0.15.7
[INFO] [stderr]    Compiling surfman-chains-api v0.2.0
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling binary-space-partition v0.1.2
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling sw-composite v0.7.10
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling gstreamer-gl v0.15.0
[INFO] [stderr]    Compiling svg_fmt v0.4.0
[INFO] [stderr]    Compiling gstreamer-sdp v0.15.6
[INFO] [stderr]    Compiling tracy-rs v0.1.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling gstreamer-app v0.15.6
[INFO] [stderr]    Compiling net v0.0.1 (https://github.com/servo/servo.git?rev=84185eb#84185eb1)
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling gstreamer-audio v0.15.7
[INFO] [stderr]    Compiling gstreamer-player v0.15.5
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling mitochondria v1.1.2
[INFO] [stderr]    Compiling gstreamer-webrtc v0.15.5
[INFO] [stderr]    Compiling half v1.0.0
[INFO] [stderr]    Compiling moite_moite v0.2.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling ref_filter_map v1.0.1
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo.git?rev=84185eb#84185eb1)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/84185eb/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] [stderr]    Compiling ref_slice v1.2.0
[INFO] [stderr] error: could not compile `script_plugins`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[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" "4a9a695be434fc3ad16aef018e66e42af04cbaf452fb26edc1eebb1878244fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9a695be434fc3ad16aef018e66e42af04cbaf452fb26edc1eebb1878244fdb", kill_on_drop: false }`
[INFO] [stdout] 4a9a695be434fc3ad16aef018e66e42af04cbaf452fb26edc1eebb1878244fdb