[INFO] cloning repository https://github.com/RichoDemus/rusteroids
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RichoDemus/rusteroids" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichoDemus%2Frusteroids", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichoDemus%2Frusteroids'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9b49a24f7aa65cac45dbfb86980152dcf3dd3b7
[INFO] documenting RichoDemus/rusteroids against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichoDemus%2Frusteroids" "/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/RichoDemus/rusteroids on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RichoDemus/rusteroids
[INFO] finished tweaking git repo https://github.com/RichoDemus/rusteroids
[INFO] tweaked toml for git repo https://github.com/RichoDemus/rusteroids written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/RichoDemus/rusteroids already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b18b2147567e640c95ab9af4c4f02fb75b976d3ab17898a59fddd41cc7a0d94
[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" "1b18b2147567e640c95ab9af4c4f02fb75b976d3ab17898a59fddd41cc7a0d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b18b2147567e640c95ab9af4c4f02fb75b976d3ab17898a59fddd41cc7a0d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b18b2147567e640c95ab9af4c4f02fb75b976d3ab17898a59fddd41cc7a0d94", kill_on_drop: false }`
[INFO] [stdout] 1b18b2147567e640c95ab9af4c4f02fb75b976d3ab17898a59fddd41cc7a0d94
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bcaf35609a259dbd307c824d30b0c3d2964952dbfb2e99470993396409d60df
[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" "0bcaf35609a259dbd307c824d30b0c3d2964952dbfb2e99470993396409d60df", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling RustyXML v0.1.1
[INFO] [stderr]     Checking mint v0.5.5
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking elefont v0.1.3
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling glow 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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="quote"' --cfg 'feature="synom"' --cfg 'feature="unicode-xid"' --cfg 'feature="visit"' -C metadata=79a922ec15db0a73 -C extra-filename=-79a922ec15db0a73 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-1532109a6bf7c0a0.rmeta --extern synom=/opt/rustwide/target/debug/deps/libsynom-03a2d5b4dc582049.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f4789f1add347db3.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" "0bcaf35609a259dbd307c824d30b0c3d2964952dbfb2e99470993396409d60df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcaf35609a259dbd307c824d30b0c3d2964952dbfb2e99470993396409d60df", kill_on_drop: false }`
[INFO] [stdout] 0bcaf35609a259dbd307c824d30b0c3d2964952dbfb2e99470993396409d60df