[INFO] updating cached repository Moggers/amethyst_servo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Moggers/amethyst_servo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Moggers/amethyst_servo" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Moggers/amethyst_servo"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Moggers/amethyst_servo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Moggers/amethyst_servo" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Moggers/amethyst_servo"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Moggers/amethyst_servo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82c3b28937004b24fc31558655e00fde7d6bb324
[INFO] sha for GitHub repo Moggers/amethyst_servo: 82c3b28937004b24fc31558655e00fde7d6bb324
[INFO] validating manifest of Moggers/amethyst_servo on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Moggers/amethyst_servo on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Moggers/amethyst_servo
[INFO] finished frobbing Moggers/amethyst_servo
[INFO] frobbed toml for Moggers/amethyst_servo written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Moggers/amethyst_servo/Cargo.toml
[INFO] started frobbing Moggers/amethyst_servo
[INFO] finished frobbing Moggers/amethyst_servo
[INFO] frobbed toml for Moggers/amethyst_servo written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/Moggers/amethyst_servo/Cargo.toml
[INFO] crate Moggers/amethyst_servo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking Moggers/amethyst_servo against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/Moggers/amethyst_servo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e80be865e644343695328d09d8358002aa166c6071a683640313c3da0a64123d
[INFO] running `"docker" "start" "-a" "e80be865e644343695328d09d8358002aa166c6071a683640313c3da0a64123d"`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]    Compiling mozjs_sys v0.50.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling procedural-masquerade v0.1.5
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]     Checking smallbitvec v1.0.7
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking futures v0.1.19
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling webrender v0.57.0 (https://github.com/servo/webrender#00b85801)
[INFO] [stderr]     Checking mint v0.5.0
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking alloc-no-stdlib v1.2.0
[INFO] [stderr]     Checking thread_profiler v0.1.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking atomic_refcell v0.1.1
[INFO] [stderr]     Checking bitreader v0.3.1
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking mp3-metadata v0.3.0
[INFO] [stderr]     Checking hex v0.3.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking mitochondria v1.1.2
[INFO] [stderr]     Checking swapper v0.1.0
[INFO] [stderr]     Checking shrev v0.8.1
[INFO] [stderr]     Checking half v1.1.0
[INFO] [stderr]     Checking wavefront_obj v5.1.0
[INFO] [stderr]     Checking hound v1.1.0
[INFO] [stderr]     Checking hetseq v0.1.5
[INFO] [stderr]    Compiling dom_struct v0.0.1 (https://github.com/servo/servo#e8fdc677)
[INFO] [stderr]     Checking ref_slice v1.1.1
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/servo-12bfca331f128de3/e8fdc67/components/dom_struct/lib.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |       let attributes = quote! {
[INFO] [stderr]    |  ______________________^
[INFO] [stderr] 18 | |         #[derive(DenyPublicFields, DomObject, JSTraceable, MallocSizeOf)]
[INFO] [stderr] 19 | |         #[must_root]
[INFO] [stderr] 20 | |         #[repr(C)]
[INFO] [stderr] 21 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]    = help: add #![feature(proc_macro_hygiene)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/servo-12bfca331f128de3/e8fdc67/components/dom_struct/lib.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 | use proc_macro::{TokenStream, quote};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/54722
[INFO] [stderr]   = help: add #![feature(proc_macro_quote)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr]     Checking ref_filter_map v1.0.1
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: Could not compile `dom_struct`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e80be865e644343695328d09d8358002aa166c6071a683640313c3da0a64123d"`
[INFO] running `"docker" "rm" "-f" "e80be865e644343695328d09d8358002aa166c6071a683640313c3da0a64123d"`
[INFO] [stdout] e80be865e644343695328d09d8358002aa166c6071a683640313c3da0a64123d