[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] testing slymon99/mandlebrot against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslymon99%2Fmandlebrot" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slymon99/mandlebrot on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-111/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-2022-02-22" "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-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ddeea43f2767d31ac6c51f970eccf31ef3dd29022bddecb2a9cd7fad78100bc
[INFO] running `Command { std: "docker" "start" "-a" "2ddeea43f2767d31ac6c51f970eccf31ef3dd29022bddecb2a9cd7fad78100bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ddeea43f2767d31ac6c51f970eccf31ef3dd29022bddecb2a9cd7fad78100bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ddeea43f2767d31ac6c51f970eccf31ef3dd29022bddecb2a9cd7fad78100bc", kill_on_drop: false }`
[INFO] [stdout] 2ddeea43f2767d31ac6c51f970eccf31ef3dd29022bddecb2a9cd7fad78100bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "RUSTFLAGS=--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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6ec5e668dca226bd7bcdaae67c9479129a9eb2c892b1d3d030feaa0435b3cef
[INFO] running `Command { std: "docker" "start" "-a" "c6ec5e668dca226bd7bcdaae67c9479129a9eb2c892b1d3d030feaa0435b3cef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling 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[E0615]: attempted to take value of method `for_each` on type `image::buffer::EnumeratePixelsMut<'_, Luma<u8>>`
[INFO] [stdout]   --> src/main.rs:50:35
[INFO] [stdout]    |
[INFO] [stdout] 50 |     imgbuf.enumerate_pixels_mut().for_each
[INFO] [stdout]    |                                   ^^^^^^^^ method, not a field
[INFO] [stdout]    |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]    |
[INFO] [stdout] 50 |     imgbuf.enumerate_pixels_mut().for_each(_)
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0615`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandlebrot` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c6ec5e668dca226bd7bcdaae67c9479129a9eb2c892b1d3d030feaa0435b3cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ec5e668dca226bd7bcdaae67c9479129a9eb2c892b1d3d030feaa0435b3cef", kill_on_drop: false }`
[INFO] [stdout] c6ec5e668dca226bd7bcdaae67c9479129a9eb2c892b1d3d030feaa0435b3cef