[INFO] cloning repository https://github.com/slymon99/mandlebrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slymon99/mandlebrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslymon99%2Fmandlebrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslymon99%2Fmandlebrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de3f9d712bcb4e6313ce62aa9bd70253acddbb4e
[INFO] documenting slymon99/mandlebrot 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%2Fslymon99%2Fmandlebrot" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slymon99/mandlebrot 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/slymon99/mandlebrot
[INFO] finished tweaking git repo https://github.com/slymon99/mandlebrot
[INFO] tweaked toml for git repo https://github.com/slymon99/mandlebrot written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/slymon99/mandlebrot 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b5fb4e5a1ddbc07d97c1e9e283e20b6bf165df1fb8ae42f941cb6435d7491b9a
[INFO] running `Command { std: "docker" "start" "-a" "b5fb4e5a1ddbc07d97c1e9e283e20b6bf165df1fb8ae42f941cb6435d7491b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5fb4e5a1ddbc07d97c1e9e283e20b6bf165df1fb8ae42f941cb6435d7491b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fb4e5a1ddbc07d97c1e9e283e20b6bf165df1fb8ae42f941cb6435d7491b9a", kill_on_drop: false }`
[INFO] [stdout] b5fb4e5a1ddbc07d97c1e9e283e20b6bf165df1fb8ae42f941cb6435d7491b9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] bc21dee0e83925a24950551dcbdbb5e24bac906740d03f4ab55ca9ce7b4eb863
[INFO] running `Command { std: "docker" "start" "-a" "bc21dee0e83925a24950551dcbdbb5e24bac906740d03f4ab55ca9ce7b4eb863", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]  Documenting mandlebrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found `imgbuf`
[INFO] [stdout]   --> src/main.rs:50:43
[INFO] [stdout]    |
[INFO] [stdout] 50 |     imgbuf.enumerate_pixels_mut().for_each
[INFO] [stdout]    |                                           ^ help: add `;` here
[INFO] [stdout] 51 | 
[INFO] [stdout] 52 |     imgbuf.save("fractal.png").unwrap();
[INFO] [stdout]    |     ------ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mandlebrot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name mandlebrot src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=b0279f7b45207510 -L dependency=/opt/rustwide/target/debug/deps --extern image=/opt/rustwide/target/debug/deps/libimage-ed8d2ee5bd09e8c2.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bc21dee0e83925a24950551dcbdbb5e24bac906740d03f4ab55ca9ce7b4eb863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc21dee0e83925a24950551dcbdbb5e24bac906740d03f4ab55ca9ce7b4eb863", kill_on_drop: false }`
[INFO] [stdout] bc21dee0e83925a24950551dcbdbb5e24bac906740d03f4ab55ca9ce7b4eb863