Nov 17 21:21:03.418 INFO testing symbolics_calculus-0.1.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 21:21:03.418 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 21:21:03.613 INFO [stdout] 1e16193598faec10d1fdad24ec935588a537fe3f151c4e43272a1fa04d6ad859
Nov 17 21:21:03.616 INFO running `"docker" "start" "-a" "1e16193598faec10d1fdad24ec935588a537fe3f151c4e43272a1fa04d6ad859"`
Nov 17 21:21:04.095 INFO [stderr] usermod: no changes
Nov 17 21:21:04.128 INFO [stderr]    Compiling symbolics_core v0.1.2
Nov 17 21:21:04.811 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Nov 17 21:21:05.099 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 21:21:05.099 INFO [stderr]  --> src/lib.rs:1:1
Nov 17 21:21:05.099 INFO [stderr]   |
Nov 17 21:21:05.099 INFO [stderr] 1 | #[macro_use]
Nov 17 21:21:05.099 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 21:21:05.099 INFO [stderr]   |
Nov 17 21:21:05.099 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 21:21:05.099 INFO [stderr] 
Nov 17 21:21:05.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Nov 17 21:21:05.358 INFO [stderr] su: No module specific data is present
Nov 17 21:21:05.616 INFO running `"docker" "inspect" "1e16193598faec10d1fdad24ec935588a537fe3f151c4e43272a1fa04d6ad859"`
Nov 17 21:21:05.717 INFO running `"docker" "rm" "-f" "1e16193598faec10d1fdad24ec935588a537fe3f151c4e43272a1fa04d6ad859"`
Nov 17 21:21:05.825 INFO [stdout] 1e16193598faec10d1fdad24ec935588a537fe3f151c4e43272a1fa04d6ad859
Nov 17 21:21:05.829 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 21:21:06.181 INFO [stdout] baaf04ea34d9ab358e910525fefeb33746e24fbe7961e27f996e32b364a78eaf
Nov 17 21:21:06.181 INFO running `"docker" "start" "-a" "baaf04ea34d9ab358e910525fefeb33746e24fbe7961e27f996e32b364a78eaf"`
Nov 17 21:21:06.737 INFO [stderr] usermod: no changes
Nov 17 21:21:06.773 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Nov 17 21:21:07.851 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Nov 17 21:21:07.851 INFO [stderr] su: No module specific data is present
Nov 17 21:21:08.319 INFO running `"docker" "inspect" "baaf04ea34d9ab358e910525fefeb33746e24fbe7961e27f996e32b364a78eaf"`
Nov 17 21:21:08.661 INFO running `"docker" "rm" "-f" "baaf04ea34d9ab358e910525fefeb33746e24fbe7961e27f996e32b364a78eaf"`
Nov 17 21:21:08.972 INFO [stdout] baaf04ea34d9ab358e910525fefeb33746e24fbe7961e27f996e32b364a78eaf