Dec 06 21:00:10.561 INFO testing symbolics_calculus-0.1.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 21:00:10.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 21:00:10.827 INFO [stdout] fea36a8be005b27fa747ef95bf7ef8d45ac37a3cd2cd1c779c40b5ec4bc6d663
Dec 06 21:00:10.830 INFO running `"docker" "start" "-a" "fea36a8be005b27fa747ef95bf7ef8d45ac37a3cd2cd1c779c40b5ec4bc6d663"`
Dec 06 21:00:11.540 INFO [stderr] usermod: no changes
Dec 06 21:00:11.581 INFO [stderr]    Compiling symbolics_core v0.1.2
Dec 06 21:00:12.344 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Dec 06 21:00:12.669 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 21:00:12.669 INFO [stderr]  --> src/lib.rs:1:1
Dec 06 21:00:12.669 INFO [stderr]   |
Dec 06 21:00:12.669 INFO [stderr] 1 | #[macro_use]
Dec 06 21:00:12.669 INFO [stderr]   | ^^^^^^^^^^^^
Dec 06 21:00:12.669 INFO [stderr]   |
Dec 06 21:00:12.669 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 21:00:12.669 INFO [stderr] 
Dec 06 21:00:12.916 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Dec 06 21:00:12.916 INFO [stderr] su: No module specific data is present
Dec 06 21:00:13.238 INFO running `"docker" "inspect" "fea36a8be005b27fa747ef95bf7ef8d45ac37a3cd2cd1c779c40b5ec4bc6d663"`
Dec 06 21:00:13.330 INFO running `"docker" "rm" "-f" "fea36a8be005b27fa747ef95bf7ef8d45ac37a3cd2cd1c779c40b5ec4bc6d663"`
Dec 06 21:00:13.417 INFO [stdout] fea36a8be005b27fa747ef95bf7ef8d45ac37a3cd2cd1c779c40b5ec4bc6d663
Dec 06 21:00:13.418 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 21:00:13.573 INFO [stdout] 8d470bacd6cb1ab140eb7fdb162baf292096d45caf2fbdc7cd1552033879d2b1
Dec 06 21:00:13.574 INFO running `"docker" "start" "-a" "8d470bacd6cb1ab140eb7fdb162baf292096d45caf2fbdc7cd1552033879d2b1"`
Dec 06 21:00:13.904 INFO [stderr] usermod: no changes
Dec 06 21:00:13.935 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Dec 06 21:00:15.208 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Dec 06 21:00:15.208 INFO [stderr] su: No module specific data is present
Dec 06 21:00:15.706 INFO running `"docker" "inspect" "8d470bacd6cb1ab140eb7fdb162baf292096d45caf2fbdc7cd1552033879d2b1"`
Dec 06 21:00:15.926 INFO running `"docker" "rm" "-f" "8d470bacd6cb1ab140eb7fdb162baf292096d45caf2fbdc7cd1552033879d2b1"`
Dec 06 21:00:16.132 INFO [stdout] 8d470bacd6cb1ab140eb7fdb162baf292096d45caf2fbdc7cd1552033879d2b1