Dec 18 00:39:18.987 INFO checking ericdaat/rust-mandelbrot against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:39:18.988 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ericdaat/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:39:19.602 INFO [stdout] a63e16e7d715641f73c8d9eb7da300105584ab64b5986f82d5561f20eaa4de73
Dec 18 00:39:19.604 INFO running `"docker" "start" "-a" "a63e16e7d715641f73c8d9eb7da300105584ab64b5986f82d5561f20eaa4de73"`
Dec 18 00:39:21.948 INFO [stderr]     Checking png v0.7.0
Dec 18 00:39:21.948 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 18 00:39:24.304 INFO [stderr]     Checking image v0.13.0
Dec 18 00:39:28.981 INFO [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
Dec 18 00:39:30.151 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.39s
Dec 18 00:39:31.350 INFO running `"docker" "inspect" "a63e16e7d715641f73c8d9eb7da300105584ab64b5986f82d5561f20eaa4de73"`
Dec 18 00:39:31.645 INFO running `"docker" "rm" "-f" "a63e16e7d715641f73c8d9eb7da300105584ab64b5986f82d5561f20eaa4de73"`
Dec 18 00:39:31.984 INFO [stdout] a63e16e7d715641f73c8d9eb7da300105584ab64b5986f82d5561f20eaa4de73