[INFO] cloning repository https://github.com/Max-E/servo_library_bug
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-E%2Fservo_library_bug'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fe63106a437832437c6903531bd3b705d1b9420
[INFO] testing Max-E/servo_library_bug against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-E%2Fservo_library_bug" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Max-E/servo_library_bug on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3dd1d066946d606f6362062fe3ae869a24a4667d0df46b3434d93bb597d8b04
[INFO] running `"docker" "start" "-a" "a3dd1d066946d606f6362062fe3ae869a24a4667d0df46b3434d93bb597d8b04"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.2
[INFO] [stderr]    Compiling mozjs_sys v0.50.1
[INFO] [stderr]    Compiling procedural-masquerade v0.1.5
[INFO] [stderr]    Compiling smallbitvec v1.0.7
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling 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]    Compiling atomic_refcell v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling webrender v0.57.0 (https://github.com/servo/webrender#0cf34e0b)
[INFO] [stderr]    Compiling binary-space-partition v0.1.2
[INFO] [stderr]    Compiling thread_profiler v0.1.3
[INFO] [stderr]    Compiling bitreader v0.3.1
[INFO] [stderr]    Compiling alloc-no-stdlib v1.2.0
[INFO] [stderr]    Compiling mp3-metadata v0.3.0
[INFO] [stderr]    Compiling hex v0.3.1
[INFO] [stderr]    Compiling swapper v0.1.0
[INFO] [stderr]    Compiling dom_struct v0.0.1 (https://github.com/servo/servo?rev=2f8fa32#2f8fa32e)
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/2f8fa32/components/dom_struct/lib.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let attributes = quote! {
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/2f8fa32/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: see issue #54727 <https://github.com/rust-lang/rust/issues/54727> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/2f8fa32/components/dom_struct/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(proc_macro)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_quote'
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/2f8fa32/components/dom_struct/lib.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 | use proc_macro::{TokenStream, quote};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #54722 <https://github.com/rust-lang/rust/issues/54722> for more information
[INFO] [stderr] 
[INFO] [stderr]    Compiling mitochondria v1.1.2
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a3dd1d066946d606f6362062fe3ae869a24a4667d0df46b3434d93bb597d8b04"`
[INFO] running `"docker" "rm" "-f" "a3dd1d066946d606f6362062fe3ae869a24a4667d0df46b3434d93bb597d8b04"`
[INFO] [stdout] a3dd1d066946d606f6362062fe3ae869a24a4667d0df46b3434d93bb597d8b04