[INFO] updating cached repository sbeckeriv/mandelbrot-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sbeckeriv/mandelbrot-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sbeckeriv/mandelbrot-rs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sbeckeriv/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sbeckeriv/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sbeckeriv/mandelbrot-rs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sbeckeriv/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sbeckeriv/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 89e4149993c4e56f22e350fad050d8dc54cc3699
[INFO] sha for GitHub repo sbeckeriv/mandelbrot-rs: 89e4149993c4e56f22e350fad050d8dc54cc3699
[INFO] validating manifest of sbeckeriv/mandelbrot-rs 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 sbeckeriv/mandelbrot-rs 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 sbeckeriv/mandelbrot-rs
[INFO] finished frobbing sbeckeriv/mandelbrot-rs
[INFO] frobbed toml for sbeckeriv/mandelbrot-rs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sbeckeriv/mandelbrot-rs/Cargo.toml
[INFO] started frobbing sbeckeriv/mandelbrot-rs
[INFO] finished frobbing sbeckeriv/mandelbrot-rs
[INFO] frobbed toml for sbeckeriv/mandelbrot-rs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sbeckeriv/mandelbrot-rs/Cargo.toml
[INFO] crate sbeckeriv/mandelbrot-rs 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] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sbeckeriv/mandelbrot-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 sbeckeriv/mandelbrot-rs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sbeckeriv/mandelbrot-rs:/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] 7b3aa049fcacd0c13a47da10a064b91f7361bdb2589d31bcf3dbc3c9e1848774
[INFO] running `"docker" "start" "-a" "7b3aa049fcacd0c13a47da10a064b91f7361bdb2589d31bcf3dbc3c9e1848774"`
[INFO] [stderr]     Checking mandelbrot-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stderr]    --> src/main.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 scope.spawn(move || {
[INFO] [stderr]     |                       ^^^^^ ------- takes 0 arguments
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected closure that takes 1 argument
[INFO] [stderr] help: consider changing the closure to take and ignore the expected argument
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 scope.spawn(move |_| {
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0593`.
[INFO] [stderr] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
[INFO] [stderr]    --> src/main.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 scope.spawn(move || {
[INFO] [stderr]     |                       ^^^^^ ------- takes 0 arguments
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected closure that takes 1 argument
[INFO] [stderr] help: consider changing the closure to take and ignore the expected argument
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 scope.spawn(move |_| {
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0593`.
[INFO] [stderr] error: Could not compile `mandelbrot-rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `mandelbrot-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7b3aa049fcacd0c13a47da10a064b91f7361bdb2589d31bcf3dbc3c9e1848774"`
[INFO] running `"docker" "rm" "-f" "7b3aa049fcacd0c13a47da10a064b91f7361bdb2589d31bcf3dbc3c9e1848774"`
[INFO] [stdout] 7b3aa049fcacd0c13a47da10a064b91f7361bdb2589d31bcf3dbc3c9e1848774