Dec 14 17:51:34.857 INFO testing symbolics_calculus-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 17:51:34.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 17:51:35.111 INFO [stdout] f6a538e49c8a2df304ccf90f734aca43f7317387c6569ae375e29bb529f63ccb
Dec 14 17:51:35.113 INFO running `"docker" "start" "-a" "f6a538e49c8a2df304ccf90f734aca43f7317387c6569ae375e29bb529f63ccb"`
Dec 14 17:51:35.664 INFO [stderr] usermod: no changes
Dec 14 17:51:35.689 INFO [stderr]    Compiling symbolics_core v0.1.2
Dec 14 17:51:36.387 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Dec 14 17:51:36.831 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 17:51:36.831 INFO [stderr]  --> src/lib.rs:1:1
Dec 14 17:51:36.831 INFO [stderr]   |
Dec 14 17:51:36.831 INFO [stderr] 1 | #[macro_use]
Dec 14 17:51:36.831 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 17:51:36.831 INFO [stderr]   |
Dec 14 17:51:36.831 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 17:51:36.831 INFO [stderr] 
Dec 14 17:51:37.132 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Dec 14 17:51:37.134 INFO [stderr] su: No module specific data is present
Dec 14 17:51:37.650 INFO running `"docker" "inspect" "f6a538e49c8a2df304ccf90f734aca43f7317387c6569ae375e29bb529f63ccb"`
Dec 14 17:51:37.780 INFO running `"docker" "rm" "-f" "f6a538e49c8a2df304ccf90f734aca43f7317387c6569ae375e29bb529f63ccb"`
Dec 14 17:51:37.931 INFO [stdout] f6a538e49c8a2df304ccf90f734aca43f7317387c6569ae375e29bb529f63ccb
Dec 14 17:51:37.933 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 17:51:38.170 INFO [stdout] adfbcff8edbc7b47715b8355f893ddfa0cdec1f5f7e5d97f0c926d58a81d6770
Dec 14 17:51:38.176 INFO running `"docker" "start" "-a" "adfbcff8edbc7b47715b8355f893ddfa0cdec1f5f7e5d97f0c926d58a81d6770"`
Dec 14 17:51:38.696 INFO [stderr] usermod: no changes
Dec 14 17:51:38.731 INFO [stderr]    Compiling symbolics_calculus v0.1.0 (/source)
Dec 14 17:51:39.713 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 14 17:51:39.716 INFO [stderr] su: No module specific data is present
Dec 14 17:51:40.013 INFO running `"docker" "inspect" "adfbcff8edbc7b47715b8355f893ddfa0cdec1f5f7e5d97f0c926d58a81d6770"`
Dec 14 17:51:40.087 INFO running `"docker" "rm" "-f" "adfbcff8edbc7b47715b8355f893ddfa0cdec1f5f7e5d97f0c926d58a81d6770"`
Dec 14 17:51:40.200 INFO [stdout] adfbcff8edbc7b47715b8355f893ddfa0cdec1f5f7e5d97f0c926d58a81d6770