Dec 11 16:54:45.419 INFO checking ipost/rmosaic against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:54:45.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 16:54:45.908 INFO [stdout] 710e5b013ae969653e8cfdd68a09e441b538432e0be519efd7366988298b6df9
Dec 11 16:54:45.916 INFO running `"docker" "start" "-a" "710e5b013ae969653e8cfdd68a09e441b538432e0be519efd7366988298b6df9"`
Dec 11 16:54:46.943 INFO [stderr] usermod: no changes
Dec 11 16:54:47.129 INFO [stderr]     Checking serde v1.0.47
Dec 11 16:54:47.153 INFO [stderr]     Checking png v0.12.0
Dec 11 16:54:47.153 INFO [stderr]    Compiling serde_derive v1.0.48
Dec 11 16:54:47.154 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 11 16:54:52.096 INFO [stderr]     Checking image v0.19.0
Dec 11 16:55:10.058 INFO [stderr]     Checking serde_json v1.0.17
Dec 11 16:55:11.947 INFO [stderr]     Checking rmosaic v0.1.0 (/source)
Dec 11 16:55:14.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.58s
Dec 11 16:55:14.568 INFO [stderr] su: No module specific data is present
Dec 11 16:55:15.570 INFO running `"docker" "inspect" "710e5b013ae969653e8cfdd68a09e441b538432e0be519efd7366988298b6df9"`
Dec 11 16:55:15.906 INFO running `"docker" "rm" "-f" "710e5b013ae969653e8cfdd68a09e441b538432e0be519efd7366988298b6df9"`
Dec 11 16:55:16.285 INFO [stdout] 710e5b013ae969653e8cfdd68a09e441b538432e0be519efd7366988298b6df9