[INFO] cloning repository https://github.com/aszecsei/rusty-rpg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aszecsei/rusty-rpg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faszecsei%2Frusty-rpg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faszecsei%2Frusty-rpg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01f2b720cef65630a4106ce4e89161be4657447d
[INFO] documenting aszecsei/rusty-rpg 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%2Faszecsei%2Frusty-rpg" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aszecsei/rusty-rpg 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/aszecsei/rusty-rpg
[INFO] finished tweaking git repo https://github.com/aszecsei/rusty-rpg
[INFO] tweaked toml for git repo https://github.com/aszecsei/rusty-rpg written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/aszecsei/rusty-rpg 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 04655c3d06919a4a3caed24be2eae828c8aa2e162f22d238ab70f10412a8e885
[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" "04655c3d06919a4a3caed24be2eae828c8aa2e162f22d238ab70f10412a8e885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04655c3d06919a4a3caed24be2eae828c8aa2e162f22d238ab70f10412a8e885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04655c3d06919a4a3caed24be2eae828c8aa2e162f22d238ab70f10412a8e885", kill_on_drop: false }`
[INFO] [stdout] 04655c3d06919a4a3caed24be2eae828c8aa2e162f22d238ab70f10412a8e885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a6d1db4acf71c823ad18335cda2cd3759f21ce47a58760b64d414d1f3e5382ac
[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" "a6d1db4acf71c823ad18335cda2cd3759f21ce47a58760b64d414d1f3e5382ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling vulkano v0.10.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking vk-sys v0.3.3
[INFO] [stderr]     Checking spin_sleep v0.3.7
[INFO] [stderr]     Checking strum v0.11.0
[INFO] [stderr]     Checking resource v0.2.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling tempfile v3.0.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking num-bigint v0.2.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking serde_yaml v0.8.7
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking cute-log v1.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[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-0.15.15/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=810143189b2e7532 -C extra-filename=-810143189b2e7532 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-05d984d42e1772c9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f4bd2befcab8dda1.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" "a6d1db4acf71c823ad18335cda2cd3759f21ce47a58760b64d414d1f3e5382ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d1db4acf71c823ad18335cda2cd3759f21ce47a58760b64d414d1f3e5382ac", kill_on_drop: false }`
[INFO] [stdout] a6d1db4acf71c823ad18335cda2cd3759f21ce47a58760b64d414d1f3e5382ac
