[INFO] cloning repository https://github.com/paulrouget/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/paulrouget/servo-embedding-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulrouget%2Fservo-embedding-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulrouget%2Fservo-embedding-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1037801a5460c90404b486e82e3bd24f6e570d9
[INFO] checking paulrouget/servo-embedding-example against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulrouget%2Fservo-embedding-example" "/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/paulrouget/servo-embedding-example on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/paulrouget/servo-embedding-example
[INFO] finished tweaking git repo https://github.com/paulrouget/servo-embedding-example
[INFO] tweaked toml for git repo https://github.com/paulrouget/servo-embedding-example written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/paulrouget/servo-embedding-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", 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] 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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c2990e2c452814aa83ea8fc45845a9b26a71ea32799bdd8e0f4a1940efe93db
[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" "0c2990e2c452814aa83ea8fc45845a9b26a71ea32799bdd8e0f4a1940efe93db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c2990e2c452814aa83ea8fc45845a9b26a71ea32799bdd8e0f4a1940efe93db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2990e2c452814aa83ea8fc45845a9b26a71ea32799bdd8e0f4a1940efe93db", kill_on_drop: false }`
[INFO] [stdout] 0c2990e2c452814aa83ea8fc45845a9b26a71ea32799bdd8e0f4a1940efe93db
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e09983a6e92da9a82d6050fe92a262ebf64e5dbc2db5a66396f15dd791dc306
[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" "1e09983a6e92da9a82d6050fe92a262ebf64e5dbc2db5a66396f15dd791dc306", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling mozjs_sys v0.50.1
[INFO] [stderr]    Compiling procedural-masquerade v0.1.2
[INFO] [stderr]     Checking smallbitvec v1.0.6
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]    Compiling gcc v0.3.47
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling libloading v0.4.0
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking atomic_refcell v0.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling openssl v0.9.22
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]    Compiling webrender v0.57.0 (https://github.com/servo/webrender#6611df9f)
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]     Checking alloc-no-stdlib v1.2.0
[INFO] [stderr]     Checking bitreader v0.3.0
[INFO] [stderr]     Checking thread_profiler v0.1.3
[INFO] [stderr]     Checking mp3-metadata v0.3.0
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking swapper v0.1.0
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking ref_filter_map v1.0.1
[INFO] [stderr]     Checking ref_slice v1.1.1
[INFO] [stderr]     Checking mitochondria v1.1.2
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo?rev=17d7a12#17d7a12a)
[INFO] [stderr]    Compiling dom_struct v0.0.1 (https://github.com/servo/servo?rev=17d7a12#17d7a12a)
[INFO] [stderr]     Checking half v1.0.0
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stdout]      |
[INFO] [stdout] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 959  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |         ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                                 ^ use of borrowed `state`
[INFO] [stdout] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr] error: could not compile `getopts`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/17d7a12/components/script_plugins/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | 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/50e1dc1536264ab71c0850f346b12309477f29f7/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/50e1dc1536264ab71c0850f346b12309477f29f7/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/50e1dc1536264ab71c0850f346b12309477f29f7/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/50e1dc1536264ab71c0850f346b12309477f29f7/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/17d7a12/components/dom_struct/lib.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let attributes = quote! {
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]    = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/17d7a12/components/dom_struct/lib.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use proc_macro::{TokenStream, quote};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stdout]   = help: add `#![feature(proc_macro_quote)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1e09983a6e92da9a82d6050fe92a262ebf64e5dbc2db5a66396f15dd791dc306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e09983a6e92da9a82d6050fe92a262ebf64e5dbc2db5a66396f15dd791dc306", kill_on_drop: false }`
[INFO] [stdout] 1e09983a6e92da9a82d6050fe92a262ebf64e5dbc2db5a66396f15dd791dc306