Dec 14 17:51:34.903 INFO testing symbolics_calculus-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 17:51:34.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 17:51:35.153 INFO [stdout] 0cc6fea87dc2b9706520807b2b4b1dc49c41478c9a3f7950d9b69c97bc3d7acf
Dec 14 17:51:35.154 INFO running `"docker" "start" "-a" "0cc6fea87dc2b9706520807b2b4b1dc49c41478c9a3f7950d9b69c97bc3d7acf"`
Dec 14 17:51:35.728 INFO [stderr] usermod: no changes
Dec 14 17:51:35.755 INFO [stderr]    Compiling symbolics_core v0.1.2
Dec 14 17:51:36.452 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Dec 14 17:51:36.915 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 17:51:36.915 INFO [stderr]  --> src/lib.rs:1:1
Dec 14 17:51:36.915 INFO [stderr]   |
Dec 14 17:51:36.915 INFO [stderr] 1 | #[macro_use]
Dec 14 17:51:36.915 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 17:51:36.915 INFO [stderr]   |
Dec 14 17:51:36.915 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 17:51:36.915 INFO [stderr] 
Dec 14 17:51:37.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Dec 14 17:51:37.270 INFO [stderr] su: No module specific data is present
Dec 14 17:51:37.821 INFO running `"docker" "inspect" "0cc6fea87dc2b9706520807b2b4b1dc49c41478c9a3f7950d9b69c97bc3d7acf"`
Dec 14 17:51:37.975 INFO running `"docker" "rm" "-f" "0cc6fea87dc2b9706520807b2b4b1dc49c41478c9a3f7950d9b69c97bc3d7acf"`
Dec 14 17:51:38.126 INFO [stdout] 0cc6fea87dc2b9706520807b2b4b1dc49c41478c9a3f7950d9b69c97bc3d7acf
Dec 14 17:51:38.129 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 17:51:38.375 INFO [stdout] eaed8fa6ce8a8d824dc3097a39db7935575d6be50779efcafd81afe17df98d55
Dec 14 17:51:38.380 INFO running `"docker" "start" "-a" "eaed8fa6ce8a8d824dc3097a39db7935575d6be50779efcafd81afe17df98d55"`
Dec 14 17:51:38.951 INFO [stderr] usermod: no changes
Dec 14 17:51:38.997 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Dec 14 17:51:40.012 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Dec 14 17:51:40.015 INFO [stderr] su: No module specific data is present
Dec 14 17:51:40.421 INFO running `"docker" "inspect" "eaed8fa6ce8a8d824dc3097a39db7935575d6be50779efcafd81afe17df98d55"`
Dec 14 17:51:40.593 INFO running `"docker" "rm" "-f" "eaed8fa6ce8a8d824dc3097a39db7935575d6be50779efcafd81afe17df98d55"`
Dec 14 17:51:40.951 INFO [stdout] eaed8fa6ce8a8d824dc3097a39db7935575d6be50779efcafd81afe17df98d55