Oct 12 20:17:08.849 INFO checking ipost/rmosaic against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:17:08.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 20:17:09.260 INFO blam! 49f4b4f295c1da74dd7a845201de3318eaf6fc2e1b7214ec60c85089a882548b
Oct 12 20:17:09.264 INFO running `"docker" "start" "-a" "49f4b4f295c1da74dd7a845201de3318eaf6fc2e1b7214ec60c85089a882548b"`
Oct 12 20:17:10.213 INFO kablam! usermod: no changes
Oct 12 20:17:10.392 INFO kablam!     Checking png v0.12.0
Oct 12 20:17:10.392 INFO kablam!     Checking rayon-core v1.4.0
Oct 12 20:17:10.392 INFO kablam!    Compiling num-derive v0.2.0
Oct 12 20:17:10.402 INFO kablam!    Compiling serde_derive v1.0.48
Oct 12 20:17:13.639 INFO kablam!     Checking rayon v1.0.1
Oct 12 20:17:21.576 INFO kablam!     Checking jpeg-decoder v0.1.14
Oct 12 20:17:23.457 INFO kablam!     Checking image v0.19.0
Oct 12 20:17:31.621 INFO kablam!     Checking rmosaic v0.1.0 (/source)
Oct 12 20:17:35.217 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.97s
Oct 12 20:17:35.224 INFO kablam! su: No module specific data is present
Oct 12 20:17:35.869 INFO running `"docker" "rm" "-f" "49f4b4f295c1da74dd7a845201de3318eaf6fc2e1b7214ec60c85089a882548b"`
Oct 12 20:17:36.268 INFO blam! 49f4b4f295c1da74dd7a845201de3318eaf6fc2e1b7214ec60c85089a882548b