Dec 11 13:35:03.645 INFO checking milesand/calculator-the-solver against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:35:03.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-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 11 13:35:04.198 INFO [stdout] 586c4e32bcc0c3fed23e6ce186c3385b2db18bf8cd994ff15b119b71b135ad6f
Dec 11 13:35:04.212 INFO running `"docker" "start" "-a" "586c4e32bcc0c3fed23e6ce186c3385b2db18bf8cd994ff15b119b71b135ad6f"`
Dec 11 13:35:04.772 INFO [stderr] usermod: no changes
Dec 11 13:35:04.840 INFO [stderr]     Checking rand v0.3.22
Dec 11 13:35:05.102 INFO [stderr]     Checking num-bigint v0.1.41
Dec 11 13:35:06.940 INFO [stderr]     Checking num-rational v0.1.41
Dec 11 13:35:07.748 INFO [stderr]     Checking num v0.1.41
Dec 11 13:35:08.140 INFO [stderr]     Checking calculator-the-solver v0.0.1 (/source)
Dec 11 13:35:09.400 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 11 13:35:09.400 INFO [stderr]  --> src/lib.rs:1:12
Dec 11 13:35:09.400 INFO [stderr]   |
Dec 11 13:35:09.400 INFO [stderr] 1 | #![feature(option_filter)]
Dec 11 13:35:09.400 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 13:35:09.400 INFO [stderr]   |
Dec 11 13:35:09.400 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 13:35:09.400 INFO [stderr] 
Dec 11 13:35:09.880 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 11 13:35:09.880 INFO [stderr]  --> src/lib.rs:1:12
Dec 11 13:35:09.880 INFO [stderr]   |
Dec 11 13:35:09.880 INFO [stderr] 1 | #![feature(option_filter)]
Dec 11 13:35:09.880 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 13:35:09.880 INFO [stderr]   |
Dec 11 13:35:09.880 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 13:35:09.880 INFO [stderr] 
Dec 11 13:35:10.848 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
Dec 11 13:35:10.848 INFO [stderr] su: No module specific data is present
Dec 11 13:35:11.704 INFO running `"docker" "inspect" "586c4e32bcc0c3fed23e6ce186c3385b2db18bf8cd994ff15b119b71b135ad6f"`
Dec 11 13:35:11.994 INFO running `"docker" "rm" "-f" "586c4e32bcc0c3fed23e6ce186c3385b2db18bf8cd994ff15b119b71b135ad6f"`
Dec 11 13:35:12.384 INFO [stdout] 586c4e32bcc0c3fed23e6ce186c3385b2db18bf8cd994ff15b119b71b135ad6f