[INFO] updating cached repository slymon99/mandlebrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/slymon99/mandlebrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/slymon99/mandlebrot" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/slymon99/mandlebrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/slymon99/mandlebrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/slymon99/mandlebrot" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/slymon99/mandlebrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/slymon99/mandlebrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] de3f9d712bcb4e6313ce62aa9bd70253acddbb4e
[INFO] sha for GitHub repo slymon99/mandlebrot: de3f9d712bcb4e6313ce62aa9bd70253acddbb4e
[INFO] validating manifest of slymon99/mandlebrot on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slymon99/mandlebrot on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing slymon99/mandlebrot
[INFO] finished frobbing slymon99/mandlebrot
[INFO] frobbed toml for slymon99/mandlebrot written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/slymon99/mandlebrot/Cargo.toml
[INFO] started frobbing slymon99/mandlebrot
[INFO] finished frobbing slymon99/mandlebrot
[INFO] frobbed toml for slymon99/mandlebrot written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/slymon99/mandlebrot/Cargo.toml
[INFO] crate slymon99/mandlebrot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking slymon99/mandlebrot against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/slymon99/mandlebrot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c9489b7d0fcc78389274cdc1c0013cd5478fb619453e5c93ac3874389c52a09f
[INFO] running `"docker" "start" "-a" "c9489b7d0fcc78389274cdc1c0013cd5478fb619453e5c93ac3874389c52a09f"`
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking mandlebrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `.`, `::`, `;`, `?`, `}`, or an operator, found `imgbuf`
[INFO] [stderr]   --> src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     imgbuf.enumerate_pixels_mut().for_each
[INFO] [stderr]    |                                           - expected one of `.`, `::`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] 51 | 
[INFO] [stderr] 52 |     imgbuf.save("fractal.png").unwrap();
[INFO] [stderr]    |     ^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `::`, `;`, `?`, `}`, or an operator, found `imgbuf`
[INFO] [stderr]   --> src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     imgbuf.enumerate_pixels_mut().for_each
[INFO] [stderr]    |                                           - expected one of `.`, `::`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] 51 | 
[INFO] [stderr] 52 |     imgbuf.save("fractal.png").unwrap();
[INFO] [stderr]    |     ^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mandlebrot`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mandlebrot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c9489b7d0fcc78389274cdc1c0013cd5478fb619453e5c93ac3874389c52a09f"`
[INFO] running `"docker" "rm" "-f" "c9489b7d0fcc78389274cdc1c0013cd5478fb619453e5c93ac3874389c52a09f"`
[INFO] [stdout] c9489b7d0fcc78389274cdc1c0013cd5478fb619453e5c93ac3874389c52a09f