[INFO] cloning repository https://github.com/gslavin/fractals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gslavin/fractals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgslavin%2Ffractals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgslavin%2Ffractals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d14595a6de711e536e74abb18ca2b28c1eb8c85a
[INFO] documenting gslavin/fractals against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgslavin%2Ffractals" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gslavin/fractals on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gslavin/fractals
[INFO] finished tweaking git repo https://github.com/gslavin/fractals
[INFO] tweaked toml for git repo https://github.com/gslavin/fractals written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/gslavin/fractals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-num/num.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f4894d919fdebdea5e0e848145c44f4534df2588d2eab58e85ab2d9294a4d21
[INFO] running `Command { std: "docker" "start" "-a" "6f4894d919fdebdea5e0e848145c44f4534df2588d2eab58e85ab2d9294a4d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f4894d919fdebdea5e0e848145c44f4534df2588d2eab58e85ab2d9294a4d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4894d919fdebdea5e0e848145c44f4534df2588d2eab58e85ab2d9294a4d21", kill_on_drop: false }`
[INFO] [stdout] 6f4894d919fdebdea5e0e848145c44f4534df2588d2eab58e85ab2d9294a4d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5c7dd9fc03d182eb172fd01a8f8c61d4c201e02d20b7fc4c3f2d81d2b3e5414
[INFO] running `Command { std: "docker" "start" "-a" "f5c7dd9fc03d182eb172fd01a8f8c61d4c201e02d20b7fc4c3f2d81d2b3e5414", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.32 (https://github.com/rust-num/num.git#72a146b9)
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]     Checking byteorder v0.3.13
[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 bmp v0.1.4
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking num-integer v0.1.32 (https://github.com/rust-num/num.git#72a146b9)
[INFO] [stderr]     Checking num-iter v0.1.32 (https://github.com/rust-num/num.git#72a146b9)
[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] running `Command { std: "docker" "inspect" "f5c7dd9fc03d182eb172fd01a8f8c61d4c201e02d20b7fc4c3f2d81d2b3e5414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c7dd9fc03d182eb172fd01a8f8c61d4c201e02d20b7fc4c3f2d81d2b3e5414", kill_on_drop: false }`
[INFO] [stdout] f5c7dd9fc03d182eb172fd01a8f8c61d4c201e02d20b7fc4c3f2d81d2b3e5414