[INFO] cloning repository https://github.com/fluffels/studious-guide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fluffels/studious-guide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluffels%2Fstudious-guide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluffels%2Fstudious-guide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e23b66efade4daae1e8bfcb73fc3aada60662727
[INFO] documenting fluffels/studious-guide 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%2Ffluffels%2Fstudious-guide" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fluffels/studious-guide 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/fluffels/studious-guide
[INFO] finished tweaking git repo https://github.com/fluffels/studious-guide
[INFO] tweaked toml for git repo https://github.com/fluffels/studious-guide written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/fluffels/studious-guide 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.32
[INFO] [stderr]   Downloaded num-rational v0.1.32
[INFO] [stderr]   Downloaded num-complex v0.1.32
[INFO] [stderr]   Downloaded sdl2-sys v0.8.1
[INFO] [stderr]   Downloaded sdl2 v0.18.0
[INFO] [stderr]   Downloaded num-bigint v0.1.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 7a21b92a66b705d0771318264f1db458f5594858bf5b54af5aab5bf4a8e6b5a0
[INFO] running `Command { std: "docker" "start" "-a" "7a21b92a66b705d0771318264f1db458f5594858bf5b54af5aab5bf4a8e6b5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a21b92a66b705d0771318264f1db458f5594858bf5b54af5aab5bf4a8e6b5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a21b92a66b705d0771318264f1db458f5594858bf5b54af5aab5bf4a8e6b5a0", kill_on_drop: false }`
[INFO] [stdout] 7a21b92a66b705d0771318264f1db458f5594858bf5b54af5aab5bf4a8e6b5a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 9cf49e8ff83d76b379180dc8838159871b839f292c46afbee7ed896d5deea488
[INFO] running `Command { std: "docker" "start" "-a" "9cf49e8ff83d76b379180dc8838159871b839f292c46afbee7ed896d5deea488", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking num-traits v0.1.32
[INFO] [stderr]     Checking libc v0.2.10
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]    Compiling sdl2-sys v0.8.1
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[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 rand v0.3.14
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[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" "9cf49e8ff83d76b379180dc8838159871b839f292c46afbee7ed896d5deea488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf49e8ff83d76b379180dc8838159871b839f292c46afbee7ed896d5deea488", kill_on_drop: false }`
[INFO] [stdout] 9cf49e8ff83d76b379180dc8838159871b839f292c46afbee7ed896d5deea488