[INFO] updating cached repository Apokryphos/rust-mandelbrot [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Apokryphos/rust-mandelbrot [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Apokryphos/rust-mandelbrot" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/Apokryphos/rust-mandelbrot"` [INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/Apokryphos/rust-mandelbrot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Apokryphos/rust-mandelbrot" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/Apokryphos/rust-mandelbrot"` [INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/Apokryphos/rust-mandelbrot'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 472286588f834278fd43e6a8fdacaaa4755e310a [INFO] sha for GitHub repo Apokryphos/rust-mandelbrot: 472286588f834278fd43e6a8fdacaaa4755e310a [INFO] validating manifest of Apokryphos/rust-mandelbrot on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Apokryphos/rust-mandelbrot on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Apokryphos/rust-mandelbrot [INFO] finished frobbing Apokryphos/rust-mandelbrot [INFO] frobbed toml for Apokryphos/rust-mandelbrot written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/Apokryphos/rust-mandelbrot/Cargo.toml [INFO] started frobbing Apokryphos/rust-mandelbrot [INFO] finished frobbing Apokryphos/rust-mandelbrot [INFO] frobbed toml for Apokryphos/rust-mandelbrot written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/Apokryphos/rust-mandelbrot/Cargo.toml [INFO] crate Apokryphos/rust-mandelbrot has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Apokryphos/rust-mandelbrot against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-4/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/Apokryphos/rust-mandelbrot:/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" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ad66336242add68094c786da4a10b939c39ff52004be1071536a9bb58fcfbe42 [INFO] running `"docker" "start" "-a" "ad66336242add68094c786da4a10b939c39ff52004be1071536a9bb58fcfbe42"` [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.15s [INFO] running `"docker" "inspect" "ad66336242add68094c786da4a10b939c39ff52004be1071536a9bb58fcfbe42"` [INFO] running `"docker" "rm" "-f" "ad66336242add68094c786da4a10b939c39ff52004be1071536a9bb58fcfbe42"` [INFO] [stdout] ad66336242add68094c786da4a10b939c39ff52004be1071536a9bb58fcfbe42