Nov 17 21:21:03.516 INFO testing symbolics_calculus-0.1.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 21:21:03.516 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 21:21:03.664 INFO [stdout] 2acb9eb2d931a22f7b121ac367b4e57489b4de7efca0b4cfdfccc599562b4bdb
Nov 17 21:21:03.667 INFO running `"docker" "start" "-a" "2acb9eb2d931a22f7b121ac367b4e57489b4de7efca0b4cfdfccc599562b4bdb"`
Nov 17 21:21:04.089 INFO [stderr] usermod: no changes
Nov 17 21:21:04.116 INFO [stderr]    Compiling symbolics_core v0.1.2
Nov 17 21:21:04.889 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Nov 17 21:21:05.189 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 21:21:05.189 INFO [stderr]  --> src/lib.rs:1:1
Nov 17 21:21:05.189 INFO [stderr]   |
Nov 17 21:21:05.189 INFO [stderr] 1 | #[macro_use]
Nov 17 21:21:05.189 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 21:21:05.189 INFO [stderr]   |
Nov 17 21:21:05.189 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 21:21:05.189 INFO [stderr] 
Nov 17 21:21:05.434 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Nov 17 21:21:05.436 INFO [stderr] su: No module specific data is present
Nov 17 21:21:05.745 INFO running `"docker" "inspect" "2acb9eb2d931a22f7b121ac367b4e57489b4de7efca0b4cfdfccc599562b4bdb"`
Nov 17 21:21:05.852 INFO running `"docker" "rm" "-f" "2acb9eb2d931a22f7b121ac367b4e57489b4de7efca0b4cfdfccc599562b4bdb"`
Nov 17 21:21:05.958 INFO [stdout] 2acb9eb2d931a22f7b121ac367b4e57489b4de7efca0b4cfdfccc599562b4bdb
Nov 17 21:21:05.961 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 21:21:06.214 INFO [stdout] c2e57395e1736cbb046da0f15180dc4089936d4535750157cfb46841103cb698
Nov 17 21:21:06.219 INFO running `"docker" "start" "-a" "c2e57395e1736cbb046da0f15180dc4089936d4535750157cfb46841103cb698"`
Nov 17 21:21:06.798 INFO [stderr] usermod: no changes
Nov 17 21:21:06.820 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Nov 17 21:21:07.999 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Nov 17 21:21:08.000 INFO [stderr] su: No module specific data is present
Nov 17 21:21:08.481 INFO running `"docker" "inspect" "c2e57395e1736cbb046da0f15180dc4089936d4535750157cfb46841103cb698"`
Nov 17 21:21:08.773 INFO running `"docker" "rm" "-f" "c2e57395e1736cbb046da0f15180dc4089936d4535750157cfb46841103cb698"`
Nov 17 21:21:09.075 INFO [stdout] c2e57395e1736cbb046da0f15180dc4089936d4535750157cfb46841103cb698