Dec 12 20:18:21.672 INFO testing ymmtmdk/shadow_cost_rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 20:18:21.672 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 20:18:22.145 INFO [stdout] 57b505c056dda07f8559d48f4f7133043b413ad7093664b95ddc967776ea1869
Dec 12 20:18:22.236 INFO running `"docker" "start" "-a" "57b505c056dda07f8559d48f4f7133043b413ad7093664b95ddc967776ea1869"`
Dec 12 20:18:23.604 INFO [stderr] usermod: no changes
Dec 12 20:18:23.607 INFO [stderr]    Compiling shadow_cost_rust v0.1.0 (/source)
Dec 12 20:18:23.987 INFO [stderr] warning: variable does not need to be mutable
Dec 12 20:18:23.987 INFO [stderr]    --> src/lib.rs:294:17
Dec 12 20:18:23.987 INFO [stderr]     |
Dec 12 20:18:23.987 INFO [stderr] 294 |             let mut t = self.cache.get_mut(key).unwrap();
Dec 12 20:18:23.987 INFO [stderr]     |                 ----^
Dec 12 20:18:23.987 INFO [stderr]     |                 |
Dec 12 20:18:23.987 INFO [stderr]     |                 help: remove this `mut`
Dec 12 20:18:23.987 INFO [stderr]     |
Dec 12 20:18:23.987 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 20:18:23.987 INFO [stderr] 
Dec 12 20:18:25.653 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Dec 12 20:18:25.656 INFO [stderr] su: No module specific data is present
Dec 12 20:18:26.271 INFO running `"docker" "inspect" "57b505c056dda07f8559d48f4f7133043b413ad7093664b95ddc967776ea1869"`
Dec 12 20:18:26.547 INFO running `"docker" "rm" "-f" "57b505c056dda07f8559d48f4f7133043b413ad7093664b95ddc967776ea1869"`
Dec 12 20:18:26.895 INFO [stdout] 57b505c056dda07f8559d48f4f7133043b413ad7093664b95ddc967776ea1869
Dec 12 20:18:26.900 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 20:18:27.323 INFO [stdout] ab75f88a6e0147840c384401da50d8bcf6bc42b849449b7eb6c837f7f8b152a5
Dec 12 20:18:27.328 INFO running `"docker" "start" "-a" "ab75f88a6e0147840c384401da50d8bcf6bc42b849449b7eb6c837f7f8b152a5"`
Dec 12 20:18:28.711 INFO [stderr] usermod: no changes
Dec 12 20:18:28.779 INFO [stderr]    Compiling shadow_cost_rust v0.1.0 (/source)
Dec 12 20:18:29.664 INFO [stderr] warning: variable does not need to be mutable
Dec 12 20:18:29.664 INFO [stderr]    --> src/lib.rs:294:17
Dec 12 20:18:29.664 INFO [stderr]     |
Dec 12 20:18:29.664 INFO [stderr] 294 |             let mut t = self.cache.get_mut(key).unwrap();
Dec 12 20:18:29.664 INFO [stderr]     |                 ----^
Dec 12 20:18:29.664 INFO [stderr]     |                 |
Dec 12 20:18:29.664 INFO [stderr]     |                 help: remove this `mut`
Dec 12 20:18:29.664 INFO [stderr]     |
Dec 12 20:18:29.664 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 20:18:29.664 INFO [stderr] 
Dec 12 20:18:31.097 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Dec 12 20:18:31.101 INFO [stderr] su: No module specific data is present
Dec 12 20:18:31.695 INFO running `"docker" "inspect" "ab75f88a6e0147840c384401da50d8bcf6bc42b849449b7eb6c837f7f8b152a5"`
Dec 12 20:18:31.983 INFO running `"docker" "rm" "-f" "ab75f88a6e0147840c384401da50d8bcf6bc42b849449b7eb6c837f7f8b152a5"`
Dec 12 20:18:32.258 INFO [stdout] ab75f88a6e0147840c384401da50d8bcf6bc42b849449b7eb6c837f7f8b152a5
Dec 12 20:18:32.265 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --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 12 20:18:32.703 INFO [stdout] b0596bb03712e09ce5830edd02639c48ce319278048dfa871fd008987cc96fa7
Dec 12 20:18:32.709 INFO running `"docker" "start" "-a" "b0596bb03712e09ce5830edd02639c48ce319278048dfa871fd008987cc96fa7"`
Dec 12 20:18:33.791 INFO [stderr] usermod: no changes
Dec 12 20:18:33.851 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 12 20:18:33.851 INFO [stderr]      Running /target/debug/deps/shadow_cost_rust-c06f9baeaa2b486f
Dec 12 20:18:33.859 INFO [stdout] 
Dec 12 20:18:33.859 INFO [stdout] running 10 tests
Dec 12 20:18:33.859 INFO [stdout] test tests::add ... ok
Dec 12 20:18:33.859 INFO [stdout] test tests::size ... ok
Dec 12 20:18:33.859 INFO [stdout] test tests::trial ... ok
Dec 12 20:18:33.859 INFO [stdout] test tests::less_than ... ok
Dec 12 20:18:33.859 INFO [stdout] test tests::new ... ok
Dec 12 20:18:33.859 INFO [stdout] test tests::remove ... ok
Dec 12 20:18:33.859 INFO [stdout] test tests::play ... ok
Dec 12 20:18:33.859 INFO [stdout] test tests::player ... ok
Dec 12 20:18:33.859 INFO [stdout] test tests::draw ... ok
Dec 12 20:18:33.889 INFO [stdout] test tests::cost_sim ... ok
Dec 12 20:18:33.889 INFO [stdout] 
Dec 12 20:18:33.889 INFO [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:18:33.889 INFO [stdout] 
Dec 12 20:18:33.896 INFO [stderr]      Running /target/debug/deps/shadow_cost_rust-4617f8e5960cec59
Dec 12 20:18:33.901 INFO [stderr]    Doc-tests shadow_cost_rust
Dec 12 20:18:33.901 INFO [stdout] 
Dec 12 20:18:33.901 INFO [stdout] running 0 tests
Dec 12 20:18:33.901 INFO [stdout] 
Dec 12 20:18:33.901 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:18:33.901 INFO [stdout] 
Dec 12 20:18:34.067 INFO [stdout] 
Dec 12 20:18:34.067 INFO [stdout] running 0 tests
Dec 12 20:18:34.067 INFO [stdout] 
Dec 12 20:18:34.067 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 20:18:34.067 INFO [stdout] 
Dec 12 20:18:34.075 INFO [stderr] su: No module specific data is present
Dec 12 20:18:34.712 INFO running `"docker" "inspect" "b0596bb03712e09ce5830edd02639c48ce319278048dfa871fd008987cc96fa7"`
Dec 12 20:18:35.120 INFO running `"docker" "rm" "-f" "b0596bb03712e09ce5830edd02639c48ce319278048dfa871fd008987cc96fa7"`
Dec 12 20:18:35.336 INFO [stdout] b0596bb03712e09ce5830edd02639c48ce319278048dfa871fd008987cc96fa7