[INFO] cloning repository https://github.com/blacksponge/gallery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blacksponge/gallery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblacksponge%2Fgallery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblacksponge%2Fgallery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a3c15d0c683454066c1158ec06e395eba53452c
[INFO] documenting blacksponge/gallery 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%2Fblacksponge%2Fgallery" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blacksponge/gallery 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] started tweaking git repo https://github.com/blacksponge/gallery
[INFO] finished tweaking git repo https://github.com/blacksponge/gallery
[INFO] tweaked toml for git repo https://github.com/blacksponge/gallery written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/blacksponge/gallery 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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 97a012716039e83d3d0ab4ac9c76c57411b96029fba7f30e71d2308f6c30f15d
[INFO] running `Command { std: "docker" "start" "-a" "97a012716039e83d3d0ab4ac9c76c57411b96029fba7f30e71d2308f6c30f15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97a012716039e83d3d0ab4ac9c76c57411b96029fba7f30e71d2308f6c30f15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a012716039e83d3d0ab4ac9c76c57411b96029fba7f30e71d2308f6c30f15d", kill_on_drop: false }`
[INFO] [stdout] 97a012716039e83d3d0ab4ac9c76c57411b96029fba7f30e71d2308f6c30f15d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] dbb3f00549878e2e83d76fd39c3fd4e7618dc982d2f1bb61cd19f3757bca744e
[INFO] running `Command { std: "docker" "start" "-a" "dbb3f00549878e2e83d76fd39c3fd4e7618dc982d2f1bb61cd19f3757bca744e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking kamadak-exif v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]    Compiling libsqlite3-sys v0.12.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking typenum v1.10.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking proc-macro2 v0.4.27
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking aho-corasick v0.6.9
[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-0.15.26/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=a88902c8a3fb50d5 -C extra-filename=-a88902c8a3fb50d5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8a61732e01f8c220.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4eb547d99216c82d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f4af8e7ee48fb608.rmeta --cap-lints allow` (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" "dbb3f00549878e2e83d76fd39c3fd4e7618dc982d2f1bb61cd19f3757bca744e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb3f00549878e2e83d76fd39c3fd4e7618dc982d2f1bb61cd19f3757bca744e", kill_on_drop: false }`
[INFO] [stdout] dbb3f00549878e2e83d76fd39c3fd4e7618dc982d2f1bb61cd19f3757bca744e
