[INFO] cloning repository https://github.com/acidghost/rust-merkle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acidghost/rust-merkle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facidghost%2Frust-merkle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facidghost%2Frust-merkle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e5e3c7d94544cbcbc7db8a7e2dcbfdd5542549a
[INFO] documenting acidghost/rust-merkle against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facidghost%2Frust-merkle" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acidghost/rust-merkle on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/acidghost/rust-merkle
[INFO] finished tweaking git repo https://github.com/acidghost/rust-merkle
[INFO] tweaked toml for git repo https://github.com/acidghost/rust-merkle written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/acidghost/rust-merkle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e11cbbbd630d247bd6922fb17234b21321c4b677c00ad95b5448f52bfa15542
[INFO] running `Command { std: "docker" "start" "-a" "3e11cbbbd630d247bd6922fb17234b21321c4b677c00ad95b5448f52bfa15542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e11cbbbd630d247bd6922fb17234b21321c4b677c00ad95b5448f52bfa15542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e11cbbbd630d247bd6922fb17234b21321c4b677c00ad95b5448f52bfa15542", kill_on_drop: false }`
[INFO] [stdout] 3e11cbbbd630d247bd6922fb17234b21321c4b677c00ad95b5448f52bfa15542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41f1077e11fc79d78ee814b53482de04e58773f2c20552db5f0c9bba04cb2140
[INFO] running `Command { std: "docker" "start" "-a" "41f1077e11fc79d78ee814b53482de04e58773f2c20552db5f0c9bba04cb2140", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.32
[INFO] [stderr]     Checking libc v0.2.15
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[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 time v0.1.35
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41f1077e11fc79d78ee814b53482de04e58773f2c20552db5f0c9bba04cb2140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f1077e11fc79d78ee814b53482de04e58773f2c20552db5f0c9bba04cb2140", kill_on_drop: false }`
[INFO] [stdout] 41f1077e11fc79d78ee814b53482de04e58773f2c20552db5f0c9bba04cb2140