[INFO] cloning repository https://github.com/sam-roth/fractals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sam-roth/fractals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-roth%2Ffractals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-roth%2Ffractals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7aeb018005808fb581a4fa2520a39a0429d3b393
[INFO] documenting sam-roth/fractals against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-roth%2Ffractals" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sam-roth/fractals on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sam-roth/fractals
[INFO] finished tweaking git repo https://github.com/sam-roth/fractals
[INFO] tweaked toml for git repo https://github.com/sam-roth/fractals written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sam-roth/fractals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.8.12
[INFO] [stderr]   Downloaded gcc v0.3.36
[INFO] [stderr]   Downloaded x11-dl v2.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92c95a8f5dda8a8fdc454ed1bf550689b7730065386fdcf320ff7c41963bdfb1
[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" "92c95a8f5dda8a8fdc454ed1bf550689b7730065386fdcf320ff7c41963bdfb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92c95a8f5dda8a8fdc454ed1bf550689b7730065386fdcf320ff7c41963bdfb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c95a8f5dda8a8fdc454ed1bf550689b7730065386fdcf320ff7c41963bdfb1", kill_on_drop: false }`
[INFO] [stdout] 92c95a8f5dda8a8fdc454ed1bf550689b7730065386fdcf320ff7c41963bdfb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34e31ebc81efcb32179e4900813870eb15bbd1cea93740efbcc304d0ebe30e6d
[INFO] running `Command { std: "docker" "start" "-a" "34e31ebc81efcb32179e4900813870eb15bbd1cea93740efbcc304d0ebe30e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.12
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.36
[INFO] [stderr]     Checking rustc-demangle v0.1.2
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]    Compiling xml-rs v0.3.4
[INFO] [stderr]    Compiling x11-dl v2.9.0
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "34e31ebc81efcb32179e4900813870eb15bbd1cea93740efbcc304d0ebe30e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e31ebc81efcb32179e4900813870eb15bbd1cea93740efbcc304d0ebe30e6d", kill_on_drop: false }`
[INFO] [stdout] 34e31ebc81efcb32179e4900813870eb15bbd1cea93740efbcc304d0ebe30e6d
