Dec 12 15:39:46.243 INFO checking dual_num-0.2.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 15:39:46.243 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 12 15:39:46.713 INFO [stdout] 7d0275e68b60de03d2daa4265561639f2a94f8d3f28ac27d75eb2f7e9b93a59d
Dec 12 15:39:46.715 INFO running `"docker" "start" "-a" "7d0275e68b60de03d2daa4265561639f2a94f8d3f28ac27d75eb2f7e9b93a59d"`
Dec 12 15:39:47.987 INFO [stderr] usermod: no changes
Dec 12 15:39:48.152 INFO [stderr]     Checking approx v0.2.1
Dec 12 15:39:48.854 INFO [stderr]     Checking alga v0.6.0
Dec 12 15:39:52.416 INFO [stderr]     Checking nalgebra v0.15.3
Dec 12 15:40:19.553 INFO [stderr]     Checking dual_num v0.2.2 (/source)
Dec 12 15:40:22.754 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.72s
Dec 12 15:40:22.754 INFO [stderr] su: No module specific data is present
Dec 12 15:40:23.550 INFO running `"docker" "inspect" "7d0275e68b60de03d2daa4265561639f2a94f8d3f28ac27d75eb2f7e9b93a59d"`
Dec 12 15:40:23.756 INFO running `"docker" "rm" "-f" "7d0275e68b60de03d2daa4265561639f2a94f8d3f28ac27d75eb2f7e9b93a59d"`
Dec 12 15:40:23.884 INFO [stdout] 7d0275e68b60de03d2daa4265561639f2a94f8d3f28ac27d75eb2f7e9b93a59d