Dec 04 17:10:29.218 INFO checking ipost/rmosaic against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 17:10:29.218 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 17:10:29.695 INFO [stdout] d5ad2842d1a4a5a852628b9378a552d2c2667a2902605084464d0000bdd92f65
Dec 04 17:10:29.697 INFO running `"docker" "start" "-a" "d5ad2842d1a4a5a852628b9378a552d2c2667a2902605084464d0000bdd92f65"`
Dec 04 17:10:30.998 INFO [stderr] usermod: no changes
Dec 04 17:10:31.195 INFO [stderr]     Checking serde v1.0.47
Dec 04 17:10:31.196 INFO [stderr]    Compiling serde_derive v1.0.48
Dec 04 17:10:31.196 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 04 17:10:34.831 INFO [stderr]     Checking image v0.19.0
Dec 04 17:10:58.356 INFO [stderr]     Checking serde_json v1.0.17
Dec 04 17:11:00.769 INFO [stderr]     Checking rmosaic v0.1.0 (/source)
Dec 04 17:11:03.247 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.22s
Dec 04 17:11:03.248 INFO [stderr] su: No module specific data is present
Dec 04 17:11:03.827 INFO running `"docker" "inspect" "d5ad2842d1a4a5a852628b9378a552d2c2667a2902605084464d0000bdd92f65"`
Dec 04 17:11:04.228 INFO running `"docker" "rm" "-f" "d5ad2842d1a4a5a852628b9378a552d2c2667a2902605084464d0000bdd92f65"`
Dec 04 17:11:04.510 INFO [stdout] d5ad2842d1a4a5a852628b9378a552d2c2667a2902605084464d0000bdd92f65