[INFO] cloning repository https://github.com/Francesco149/servo-embedding-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Francesco149/servo-embedding-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancesco149%2Fservo-embedding-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancesco149%2Fservo-embedding-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ea6d425475211031d99d788b73b0fcf97156643
[INFO] checking Francesco149/servo-embedding-example against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancesco149%2Fservo-embedding-example" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Francesco149/servo-embedding-example on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Francesco149/servo-embedding-example
[INFO] finished tweaking git repo https://github.com/Francesco149/servo-embedding-example
[INFO] tweaked toml for git repo https://github.com/Francesco149/servo-embedding-example written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Francesco149/servo-embedding-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/servo/servo`
[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/gaol`
[INFO] [stderr]     Updating git repository `https://github.com/servo/devices`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-azure`
[INFO] [stderr]     Updating git repository `https://github.com/servo/fontsan`
[INFO] [stderr]     Updating git submodule `https://github.com/khaledhosny/ots`
[INFO] [stderr]     Updating git submodule `https://github.com/google/brotli.git`
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[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
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[INFO] [stderr]     Updating git submodule `https://github.com/google/woff2.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/brotli.git`
[INFO] [stderr]     Updating git submodule `https://github.com/hillbig/esaxx`
[INFO] [stderr]     Updating git submodule `https://github.com/madler/zlib.git`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/signpost.git`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c2c286cc55516de855407b10da371acafde04528cc39ba12570220e0b5789ff
[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" "4c2c286cc55516de855407b10da371acafde04528cc39ba12570220e0b5789ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c2c286cc55516de855407b10da371acafde04528cc39ba12570220e0b5789ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2c286cc55516de855407b10da371acafde04528cc39ba12570220e0b5789ff", kill_on_drop: false }`
[INFO] [stdout] 4c2c286cc55516de855407b10da371acafde04528cc39ba12570220e0b5789ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45087c2fa333add23f3b45a58df08f94ebcc93b74588f2e39b167927ef9faecd
[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" "45087c2fa333add23f3b45a58df08f94ebcc93b74588f2e39b167927ef9faecd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lazycell v1.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling bindgen v0.49.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking smallbitvec v2.3.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling gstreamer v0.13.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking muldiv v0.2.0
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]     Checking atomic_refcell v0.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling gstreamer-base v0.13.0
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]     Checking boxfnonce v0.1.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking byte-slice-cast v0.2.0
[INFO] [stderr]    Compiling gstreamer-video v0.13.0
[INFO] [stderr]     Checking ucd v0.1.1
[INFO] [stderr]    Compiling gstreamer-sdp v0.13.0
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.0
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking thread_profiler v0.1.3
[INFO] [stderr]    Compiling gstreamer-gl v0.13.0
[INFO] [stderr]    Compiling gstreamer-webrtc v0.13.0
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]    Compiling gstreamer-player v0.13.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling gstreamer-audio v0.13.0
[INFO] [stderr]    Compiling gstreamer-app v0.13.0
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo?rev=328244684a8b1f98d515d5f40655b9cf7347affd#32824468)
[INFO] [stderr]     Checking ref_slice v1.1.1
[INFO] [stderr]     Checking swapper v0.1.0
[INFO] [stderr]     Checking ref_filter_map v1.0.1
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/3282446/components/script_plugins/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate rustc;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: please recompile that crate using --crate-type lib
[INFO] [stdout]    = note: the following crate versions were found:
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `script_plugins` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "45087c2fa333add23f3b45a58df08f94ebcc93b74588f2e39b167927ef9faecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45087c2fa333add23f3b45a58df08f94ebcc93b74588f2e39b167927ef9faecd", kill_on_drop: false }`
[INFO] [stdout] 45087c2fa333add23f3b45a58df08f94ebcc93b74588f2e39b167927ef9faecd