[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#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancesco149%2Fservo-embedding-example" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Francesco149/servo-embedding-example on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/servo/media`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallbitvec v2.3.0
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[INFO] [stderr]   Downloaded brotli-decompressor v2.1.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 132c82714005c72e96a26efd53ec1176ec49597f1e2c3f0f7e6e7745fb1565c3
[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" "132c82714005c72e96a26efd53ec1176ec49597f1e2c3f0f7e6e7745fb1565c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "132c82714005c72e96a26efd53ec1176ec49597f1e2c3f0f7e6e7745fb1565c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132c82714005c72e96a26efd53ec1176ec49597f1e2c3f0f7e6e7745fb1565c3", kill_on_drop: false }`
[INFO] [stdout] 132c82714005c72e96a26efd53ec1176ec49597f1e2c3f0f7e6e7745fb1565c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2031db97cad0f1455586252037e473ea2a7c753957e91b6166daa8d1073318b7
[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" "2031db97cad0f1455586252037e473ea2a7c753957e91b6166daa8d1073318b7", 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]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking lazycell v1.0.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[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 quick-error v1.2.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[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]    Compiling bindgen v0.49.0
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking smallbitvec v2.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling gstreamer v0.13.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking muldiv v0.2.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling byte-tools v0.3.0
[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 atomic_refcell v0.1.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking boxfnonce v0.1.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking byte-slice-cast v0.2.0
[INFO] [stderr]    Compiling gstreamer-video v0.13.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.0
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]    Compiling gstreamer-sdp v0.13.0
[INFO] [stderr]     Checking ucd v0.1.1
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]    Compiling gstreamer-app v0.13.0
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling gstreamer-webrtc v0.13.0
[INFO] [stderr]    Compiling gstreamer-gl v0.13.0
[INFO] [stderr]     Checking thread_profiler v0.1.3
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling gstreamer-audio v0.13.0
[INFO] [stderr]    Compiling gstreamer-player v0.13.0
[INFO] [stderr]     Checking hex v0.3.2
[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 threadpool v1.3.2
[INFO] [stderr]     Checking half v1.0.0
[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 histogram v0.6.8
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[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/d990716b6a1fdde1300748828a9c9e79dfd0b898/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/d990716b6a1fdde1300748828a9c9e79dfd0b898/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/d990716b6a1fdde1300748828a9c9e79dfd0b898/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/d990716b6a1fdde1300748828a9c9e79dfd0b898/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[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" "2031db97cad0f1455586252037e473ea2a7c753957e91b6166daa8d1073318b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2031db97cad0f1455586252037e473ea2a7c753957e91b6166daa8d1073318b7", kill_on_drop: false }`
[INFO] [stdout] 2031db97cad0f1455586252037e473ea2a7c753957e91b6166daa8d1073318b7