[INFO] cloning repository https://github.com/dpc/boulder-dash.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpc/boulder-dash.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fboulder-dash.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fboulder-dash.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65e51cdef2a281fe1831d0a49dd35d526a31ac10
[INFO] documenting dpc/boulder-dash.rs 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%2Fdpc%2Fboulder-dash.rs" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpc/boulder-dash.rs 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/dpc/boulder-dash.rs
[INFO] finished tweaking git repo https://github.com/dpc/boulder-dash.rs
[INFO] tweaked toml for git repo https://github.com/dpc/boulder-dash.rs written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/dpc/boulder-dash.rs 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded amethyst_error v0.3.0
[INFO] [stderr]   Downloaded amethyst_window v0.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.27
[INFO] [stderr]   Downloaded specs-hierarchy v0.5.1
[INFO] [stderr]   Downloaded amethyst_core v0.8.0
[INFO] [stderr]   Downloaded static_assertions v0.3.3
[INFO] [stderr]   Downloaded amethyst_config v0.12.0
[INFO] [stderr]   Downloaded amethyst_utils v0.8.0
[INFO] [stderr]   Downloaded amethyst_locale v0.7.0
[INFO] [stderr]   Downloaded unic-langid-macros-impl v0.3.0
[INFO] [stderr]   Downloaded amethyst_animation v0.8.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.1
[INFO] [stderr]   Downloaded amethyst_derive v0.6.0
[INFO] [stderr]   Downloaded glsl-layout-derive v0.3.0
[INFO] [stderr]   Downloaded inventory-impl v0.1.3
[INFO] [stderr]   Downloaded amethyst_input v0.9.0
[INFO] [stderr]   Downloaded cmake v0.1.40
[INFO] [stderr]   Downloaded bitintr v0.3.0
[INFO] [stderr]   Downloaded amethyst_audio v0.8.0
[INFO] [stderr]   Downloaded inventory v0.1.3
[INFO] [stderr]   Downloaded amethyst_tiles v0.1.0
[INFO] [stderr]   Downloaded amethyst_ui v0.8.0
[INFO] [stderr]   Downloaded glyph_brush_layout v0.1.6
[INFO] [stderr]   Downloaded amethyst_controls v0.7.0
[INFO] [stderr]   Downloaded amethyst_assets v0.9.0
[INFO] [stderr]   Downloaded percent-encoding v2.0.0
[INFO] [stderr]   Downloaded glsl-layout v0.3.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.2.3
[INFO] [stderr]   Downloaded winit v0.19.2
[INFO] [stderr]   Downloaded amethyst v0.13.0
[INFO] [stderr]   Downloaded fluent v0.7.1
[INFO] [stderr]   Downloaded unic-langid-macros v0.3.0
[INFO] [stderr]   Downloaded unic-langid v0.4.2
[INFO] [stderr]   Downloaded amethyst_network v0.6.0
[INFO] [stderr]   Downloaded proc_macro_roids v0.4.0
[INFO] [stderr]   Downloaded amethyst_rendy v0.3.0
[INFO] [stderr]   Downloaded shred v0.9.3
[INFO] [stderr]   Downloaded hibitset v0.6.2
[INFO] [stderr]   Downloaded ahash v0.2.13
[INFO] [stderr]   Downloaded shred-derive v0.6.1
[INFO] [stderr]   Downloaded specs v0.15.1
[INFO] [stderr]   Downloaded fluent-locale v0.7.0
[INFO] [stderr]   Downloaded fluent-bundle v0.7.1
[INFO] [stderr]   Downloaded unic-langid-impl v0.4.0
[INFO] [stderr]   Downloaded intl_pluralrules v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 536020921d9b8fb2e2c1aa901b27b277242bbab68fda00636efb62b0092deb77
[INFO] running `Command { std: "docker" "start" "-a" "536020921d9b8fb2e2c1aa901b27b277242bbab68fda00636efb62b0092deb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536020921d9b8fb2e2c1aa901b27b277242bbab68fda00636efb62b0092deb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536020921d9b8fb2e2c1aa901b27b277242bbab68fda00636efb62b0092deb77", kill_on_drop: false }`
[INFO] [stdout] 536020921d9b8fb2e2c1aa901b27b277242bbab68fda00636efb62b0092deb77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] b0a4cf826aa06bf99db9cf41cfa6b0c43db83158b7ac08589454a7dbd84bc422
[INFO] running `Command { std: "docker" "start" "-a" "b0a4cf826aa06bf99db9cf41cfa6b0c43db83158b7ac08589454a7dbd84bc422", 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] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking mint v0.5.1
[INFO] [stderr]     Checking percent-encoding v2.0.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking static_assertions v0.3.3
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling unic-langid-impl v0.4.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking fluent-syntax v0.9.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.30/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=05379fc1c44d26f0 -C extra-filename=-05379fc1c44d26f0 --out-dir /opt/rustwide/target/debug/build/proc-macro2-05379fc1c44d26f0 -L dependency=/opt/rustwide/target/debug/deps --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" "b0a4cf826aa06bf99db9cf41cfa6b0c43db83158b7ac08589454a7dbd84bc422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a4cf826aa06bf99db9cf41cfa6b0c43db83158b7ac08589454a7dbd84bc422", kill_on_drop: false }`
[INFO] [stdout] b0a4cf826aa06bf99db9cf41cfa6b0c43db83158b7ac08589454a7dbd84bc422
