Dec 11 13:35:04.221 INFO checking milesand/calculator-the-solver against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:35:04.221 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 13:35:04.504 INFO [stdout] 9643e6ce5615be877954413ad06ea4ff798fa2bcae1271c1545f9871d46c7843
Dec 11 13:35:04.506 INFO running `"docker" "start" "-a" "9643e6ce5615be877954413ad06ea4ff798fa2bcae1271c1545f9871d46c7843"`
Dec 11 13:35:05.052 INFO [stderr] usermod: no changes
Dec 11 13:35:05.133 INFO [stderr]     Checking rand v0.4.2
Dec 11 13:35:05.140 INFO [stderr]     Checking regex v0.2.5
Dec 11 13:35:06.592 INFO [stderr]     Checking rand v0.3.22
Dec 11 13:35:07.014 INFO [stderr]     Checking num-bigint v0.1.41
Dec 11 13:35:09.056 INFO [stderr]     Checking num-rational v0.1.41
Dec 11 13:35:09.969 INFO [stderr]     Checking num v0.1.41
Dec 11 13:35:10.332 INFO [stderr]     Checking calculator-the-solver v0.0.1 (/source)
Dec 11 13:35:11.888 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 11 13:35:11.888 INFO [stderr]  --> src/lib.rs:1:12
Dec 11 13:35:11.888 INFO [stderr]   |
Dec 11 13:35:11.888 INFO [stderr] 1 | #![feature(option_filter)]
Dec 11 13:35:11.888 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 13:35:11.888 INFO [stderr]   |
Dec 11 13:35:11.888 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 13:35:11.888 INFO [stderr] 
Dec 11 13:35:11.920 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 11 13:35:11.920 INFO [stderr]  --> src/lib.rs:1:12
Dec 11 13:35:11.920 INFO [stderr]   |
Dec 11 13:35:11.920 INFO [stderr] 1 | #![feature(option_filter)]
Dec 11 13:35:11.920 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 11 13:35:11.920 INFO [stderr]   |
Dec 11 13:35:11.920 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 13:35:11.920 INFO [stderr] 
Dec 11 13:35:13.421 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.34s
Dec 11 13:35:13.427 INFO [stderr] su: No module specific data is present
Dec 11 13:35:14.240 INFO running `"docker" "inspect" "9643e6ce5615be877954413ad06ea4ff798fa2bcae1271c1545f9871d46c7843"`
Dec 11 13:35:14.474 INFO running `"docker" "rm" "-f" "9643e6ce5615be877954413ad06ea4ff798fa2bcae1271c1545f9871d46c7843"`
Dec 11 13:35:14.679 INFO [stdout] 9643e6ce5615be877954413ad06ea4ff798fa2bcae1271c1545f9871d46c7843