[INFO] cloning repository https://github.com/Max-E/servo_library_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Max-E/servo_library_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-E%2Fservo_library_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-E%2Fservo_library_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fe63106a437832437c6903531bd3b705d1b9420
[INFO] checking Max-E/servo_library_bug against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-E%2Fservo_library_bug" "/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/Max-E/servo_library_bug on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Max-E/servo_library_bug
[INFO] finished tweaking git repo https://github.com/Max-E/servo_library_bug
[INFO] tweaked toml for git repo https://github.com/Max-E/servo_library_bug written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Max-E/servo_library_bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.8
[INFO] [stderr]   Downloaded half v1.0.2
[INFO] [stderr]   Downloaded gleam v0.4.24
[INFO] [stderr]   Downloaded ws v0.6.1
[INFO] [stderr]   Downloaded blurdroid v0.1.4
[INFO] [stderr]   Downloaded tinyfiledialogs v3.0.4
[INFO] [stderr]   Downloaded servo-websocket v0.20.1
[INFO] [stderr]   Downloaded ipc-channel v0.9.1
[INFO] [stderr]   Downloaded itertools v0.7.7
[INFO] [stderr]   Downloaded mozjs v0.2.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82a55097b099a6d8cca45e0fd60675b1616ac49d5d02f2a77f60dde2556dc38d
[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" "82a55097b099a6d8cca45e0fd60675b1616ac49d5d02f2a77f60dde2556dc38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a55097b099a6d8cca45e0fd60675b1616ac49d5d02f2a77f60dde2556dc38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a55097b099a6d8cca45e0fd60675b1616ac49d5d02f2a77f60dde2556dc38d", kill_on_drop: false }`
[INFO] [stdout] 82a55097b099a6d8cca45e0fd60675b1616ac49d5d02f2a77f60dde2556dc38d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c688aee764986d088ce4546a343c38fb125123ceb79432d5057b7262a3f88f05
[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" "c688aee764986d088ce4546a343c38fb125123ceb79432d5057b7262a3f88f05", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling mozjs_sys v0.50.1
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking smallbitvec v1.0.7
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking color_quant v1.0.0
[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 ident_case v1.0.0
[INFO] [stderr]     Checking atomic_refcell v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]    Compiling webrender v0.57.0 (https://github.com/servo/webrender#0cf34e0b)
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking bitreader v0.3.1
[INFO] [stderr]     Checking thread_profiler v0.1.3
[INFO] [stderr]     Checking alloc-no-stdlib v1.2.0
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking mp3-metadata v0.3.0
[INFO] [stderr]     Checking hex v0.3.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking ref_filter_map v1.0.1
[INFO] [stderr]    Compiling dom_struct v0.0.1 (https://github.com/servo/servo?rev=2f8fa32#2f8fa32e)
[INFO] [stderr]     Checking half v1.0.2
[INFO] [stderr]     Checking mitochondria v1.1.2
[INFO] [stderr]     Checking swapper v0.1.0
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo?rev=2f8fa32#2f8fa32e)
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/2f8fa32/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-12bfca331f128de3/2f8fa32/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] [stderr]     Checking hashglobe v0.1.0 (https://github.com/servo/servo?rev=2f8fa32#2f8fa32e)
[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: could not compile `dom_struct`
[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[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/2f8fa32/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/f47dd4da3ae8c32c9e65d307bfe640b143e674df/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/f47dd4da3ae8c32c9e65d307bfe640b143e674df/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/f47dd4da3ae8c32c9e65d307bfe640b143e674df/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/f47dd4da3ae8c32c9e65d307bfe640b143e674df/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c688aee764986d088ce4546a343c38fb125123ceb79432d5057b7262a3f88f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c688aee764986d088ce4546a343c38fb125123ceb79432d5057b7262a3f88f05", kill_on_drop: false }`
[INFO] [stdout] c688aee764986d088ce4546a343c38fb125123ceb79432d5057b7262a3f88f05