[INFO] cloning repository https://github.com/SpiralP/rust-classicube-chatsounds-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpiralP/rust-classicube-chatsounds-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiralP%2Frust-classicube-chatsounds-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiralP%2Frust-classicube-chatsounds-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccdcf74c05c865573f44e27efeb8ff00ec78434f
[INFO] testing SpiralP/rust-classicube-chatsounds-plugin against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiralP%2Frust-classicube-chatsounds-plugin" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpiralP/rust-classicube-chatsounds-plugin on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/SpiralP/rust-classicube-chatsounds-plugin
[INFO] finished tweaking git repo https://github.com/SpiralP/rust-classicube-chatsounds-plugin
[INFO] tweaked toml for git repo https://github.com/SpiralP/rust-classicube-chatsounds-plugin written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/SpiralP/rust-classicube-chatsounds-plugin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/SpiralP/rust-chatsounds.git`
[INFO] [stderr]     Updating git repository `https://github.com/SpiralP/rust-classicube-helpers.git`
[INFO] [stderr]     Updating git submodule `https://github.com/UnknownShadow200/ClassiCube.git`
[INFO] [stderr]     Updating git repository `https://github.com/SpiralP/color-backtrace-msgbox.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v1.3.3
[INFO] [stderr]   Downloaded oboe v0.3.1
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.7
[INFO] [stderr]   Downloaded combine v4.4.0
[INFO] [stderr]   Downloaded twoway v0.2.1
[INFO] [stderr]   Downloaded gio v0.4.1
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[INFO] [stderr]   Downloaded gtk v0.4.1
[INFO] [stderr]   Downloaded bindgen v0.55.1
[INFO] [stderr]   Downloaded msgbox v0.4.0
[INFO] [stderr]   Downloaded ring v0.16.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 485c3fbea40a89283f9ec7e6e60e4f2e5135eceb2c88415cf49f34a1b0c7ffb2
[INFO] running `Command { std: "docker" "start" "-a" "485c3fbea40a89283f9ec7e6e60e4f2e5135eceb2c88415cf49f34a1b0c7ffb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "485c3fbea40a89283f9ec7e6e60e4f2e5135eceb2c88415cf49f34a1b0c7ffb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485c3fbea40a89283f9ec7e6e60e4f2e5135eceb2c88415cf49f34a1b0c7ffb2", kill_on_drop: false }`
[INFO] [stdout] 485c3fbea40a89283f9ec7e6e60e4f2e5135eceb2c88415cf49f34a1b0c7ffb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70c488f001f8ef7aab51b3f3318a19b7c87862e637c56645c48e0de21b69d83a
[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" "70c488f001f8ef7aab51b3f3318a19b7c87862e637c56645c48e0de21b69d83a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling gio v0.4.1
[INFO] [stderr]    Compiling cairo-rs v0.4.1
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.4.0
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling c_vec v1.3.3
[INFO] [stderr]    Compiling gdk v0.8.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling gtk v0.4.1
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling funty v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling glib-sys v0.6.0
[INFO] [stderr]    Compiling gobject-sys v0.6.0
[INFO] [stderr]    Compiling gio-sys v0.6.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.6.0
[INFO] [stderr]    Compiling pango-sys v0.6.0
[INFO] [stderr]    Compiling gdk-sys v0.6.0
[INFO] [stderr]    Compiling atk-sys v0.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling libloading v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling gtk-sys v0.6.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling ogg v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling lewton v0.10.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling minimp3 v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling glib v0.5.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.52/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=a7409c53bc242742 -C extra-filename=-a7409c53bc242742 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fc674c02767ecd53.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1ba06248e155a417.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ee0227a60781e0f.rmeta --cap-lints allow --cap-lints=warn --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 `Command { std: "docker" "inspect" "70c488f001f8ef7aab51b3f3318a19b7c87862e637c56645c48e0de21b69d83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c488f001f8ef7aab51b3f3318a19b7c87862e637c56645c48e0de21b69d83a", kill_on_drop: false }`
[INFO] [stdout] 70c488f001f8ef7aab51b3f3318a19b7c87862e637c56645c48e0de21b69d83a