[INFO] updating cached repository avranju/rust-mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/avranju/rust-mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/avranju/rust-mandelbrot" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/avranju/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/avranju/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/avranju/rust-mandelbrot" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/avranju/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/avranju/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3387cf0807fbe71c466df8a6c16c9e47fe7a17b
[INFO] sha for GitHub repo avranju/rust-mandelbrot: f3387cf0807fbe71c466df8a6c16c9e47fe7a17b
[INFO] validating manifest of avranju/rust-mandelbrot on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of avranju/rust-mandelbrot on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing avranju/rust-mandelbrot
[INFO] finished frobbing avranju/rust-mandelbrot
[INFO] frobbed toml for avranju/rust-mandelbrot written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/avranju/rust-mandelbrot/Cargo.toml
[INFO] started frobbing avranju/rust-mandelbrot
[INFO] finished frobbing avranju/rust-mandelbrot
[INFO] frobbed toml for avranju/rust-mandelbrot written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/avranju/rust-mandelbrot/Cargo.toml
[INFO] crate avranju/rust-mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking avranju/rust-mandelbrot against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/avranju/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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8e1de7893adc07b6fac51e12329e395cbcf9b44c82dda4c266b6d817281fa873
[INFO] running `"docker" "start" "-a" "8e1de7893adc07b6fac51e12329e395cbcf9b44c82dda4c266b6d817281fa873"`
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking image v0.17.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.59s
[INFO] running `"docker" "inspect" "8e1de7893adc07b6fac51e12329e395cbcf9b44c82dda4c266b6d817281fa873"`
[INFO] running `"docker" "rm" "-f" "8e1de7893adc07b6fac51e12329e395cbcf9b44c82dda4c266b6d817281fa873"`
[INFO] [stdout] 8e1de7893adc07b6fac51e12329e395cbcf9b44c82dda4c266b6d817281fa873