[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] documenting nyanpasu64/spectro2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyanpasu64%2Fspectro2" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyanpasu64/spectro2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/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-0/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ba0fe02a38de859800f6992a7ef08eab3513d6edf2c88ecc576dc5f28e17acd
[INFO] running `Command { std: "docker" "start" "-a" "5ba0fe02a38de859800f6992a7ef08eab3513d6edf2c88ecc576dc5f28e17acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba0fe02a38de859800f6992a7ef08eab3513d6edf2c88ecc576dc5f28e17acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba0fe02a38de859800f6992a7ef08eab3513d6edf2c88ecc576dc5f28e17acd", kill_on_drop: false }`
[INFO] [stdout] 5ba0fe02a38de859800f6992a7ef08eab3513d6edf2c88ecc576dc5f28e17acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1202a2852d80f7c994dd82f7bf6c78882548b7a93ce08d4dde1ebc0bc569cade
[INFO] running `Command { std: "docker" "start" "-a" "1202a2852d80f7c994dd82f7bf6c78882548b7a93ce08d4dde1ebc0bc569cade", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unindent v0.1.7
[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]     Checking flip-cell v0.1.0 (/opt/rustwide/workdir/flip-cell)
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling indoc v1.0.3
[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]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking realfft v0.4.0
[INFO] [stderr]    Compiling shaderc-sys v0.7.0
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[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=bca579ef325b6159 -C extra-filename=-bca579ef325b6159 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-540b6631119ce641.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-78fa2bb1cf53b619.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-12009cf1a2496f6d.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (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" "1202a2852d80f7c994dd82f7bf6c78882548b7a93ce08d4dde1ebc0bc569cade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1202a2852d80f7c994dd82f7bf6c78882548b7a93ce08d4dde1ebc0bc569cade", kill_on_drop: false }`
[INFO] [stdout] 1202a2852d80f7c994dd82f7bf6c78882548b7a93ce08d4dde1ebc0bc569cade
