[INFO] cloning repository https://github.com/nyanpasu64/spectro2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyanpasu64/spectro2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyanpasu64%2Fspectro2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyanpasu64%2Fspectro2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c9cdbe82e64a931cfcbbfb75cf6a6cd02d932d7
[INFO] checking nyanpasu64/spectro2 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyanpasu64%2Fspectro2" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyanpasu64/spectro2 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/nyanpasu64/spectro2
[INFO] finished tweaking git repo https://github.com/nyanpasu64/spectro2
[INFO] tweaked toml for git repo https://github.com/nyanpasu64/spectro2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/nyanpasu64/spectro2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded transpose v0.2.0
[INFO] [stderr]   Downloaded loom v0.4.0
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded realfft v0.4.0
[INFO] [stderr]   Downloaded rustfft v5.0.1
[INFO] [stderr]   Downloaded shaderc v0.7.0
[INFO] [stderr]   Downloaded primal-check v0.3.1
[INFO] [stderr]   Downloaded shaderc-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb9384d5053411aa7b52c06af1d3ce4dcfa10bbdf5be12fc95163c9c4596d6bd
[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" "eb9384d5053411aa7b52c06af1d3ce4dcfa10bbdf5be12fc95163c9c4596d6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb9384d5053411aa7b52c06af1d3ce4dcfa10bbdf5be12fc95163c9c4596d6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9384d5053411aa7b52c06af1d3ce4dcfa10bbdf5be12fc95163c9c4596d6bd", kill_on_drop: false }`
[INFO] [stdout] eb9384d5053411aa7b52c06af1d3ce4dcfa10bbdf5be12fc95163c9c4596d6bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b30e680777e4db364f6c01ef74a3053d7e663fd19e5c77401002c9d7f1e2ccb
[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" "2b30e680777e4db364f6c01ef74a3053d7e663fd19e5c77401002c9d7f1e2ccb", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking flip-cell v0.1.0 (/opt/rustwide/workdir/flip-cell)
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]     Checking spin_sleep v1.0.0 (/opt/rustwide/workdir/3rdparty/spin_sleep-1.0.0)
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking dsp v0.8.1 (/opt/rustwide/workdir/3rdparty/dsp-0.8.1)
[INFO] [stderr]     Checking rustfft v5.0.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]    Compiling shaderc-sys v0.7.0
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]     Checking realfft v0.4.0
[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-1.0.58/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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"' -C metadata=3bb378f2f6747a08 -C extra-filename=-3bb378f2f6747a08 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba80430fb18d8252.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fae22c8d974295d1.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2b30e680777e4db364f6c01ef74a3053d7e663fd19e5c77401002c9d7f1e2ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b30e680777e4db364f6c01ef74a3053d7e663fd19e5c77401002c9d7f1e2ccb", kill_on_drop: false }`
[INFO] [stdout] 2b30e680777e4db364f6c01ef74a3053d7e663fd19e5c77401002c9d7f1e2ccb