[INFO] cloning repository https://github.com/BartWillems/lyriek
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BartWillems/lyriek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartWillems%2Flyriek"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartWillems%2Flyriek'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad5dce5aa99bb6a01fbcb6861b67067d18648237
[INFO] testing BartWillems/lyriek against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartWillems%2Flyriek" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BartWillems/lyriek on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BartWillems/lyriek
[INFO] finished tweaking git repo https://github.com/BartWillems/lyriek
[INFO] tweaked toml for git repo https://github.com/BartWillems/lyriek written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BartWillems/lyriek already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded from_variants_impl v0.3.0
[INFO] [stderr]   Downloaded darling_macro v0.4.0
[INFO] [stderr]   Downloaded from_variants v0.3.0
[INFO] [stderr]   Downloaded darling_core v0.4.0
[INFO] [stderr]   Downloaded mpris v1.1.2
[INFO] [stderr]   Downloaded darling v0.4.0
[INFO] running `"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" "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" "+beta-2020-06-03" "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] 42910176661c50e149a7011b30fbdb3729527fabd8efb7178e888674b3447f59
[INFO] running `"docker" "start" "-a" "42910176661c50e149a7011b30fbdb3729527fabd8efb7178e888674b3447f59"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rust-embed-utils v5.0.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling derive_is_enum_variant v0.1.1
[INFO] [stderr]    Compiling rust-embed-impl v5.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling glib v0.8.1
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling rust-embed v5.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling darling_core v0.4.0
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=b2ee40e5128bd211 -C extra-filename=-b2ee40e5128bd211 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e8d604087a5f8a27.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c885c5656752cd50.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d0da9711214ecc52.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "42910176661c50e149a7011b30fbdb3729527fabd8efb7178e888674b3447f59"`
[INFO] running `"docker" "rm" "-f" "42910176661c50e149a7011b30fbdb3729527fabd8efb7178e888674b3447f59"`
[INFO] [stdout] 42910176661c50e149a7011b30fbdb3729527fabd8efb7178e888674b3447f59