Dec 11 14:03:40.777 INFO checking masonium/card-engine against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 14:03:40.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 14:03:41.272 INFO [stdout] ae394a3395938953d6ba3aafaea0fd0b40408be52ef76aa24984aab0a31653e7
Dec 11 14:03:41.274 INFO running `"docker" "start" "-a" "ae394a3395938953d6ba3aafaea0fd0b40408be52ef76aa24984aab0a31653e7"`
Dec 11 14:03:42.928 INFO [stderr] usermod: no changes
Dec 11 14:03:43.092 INFO [stderr]    Compiling matrixmultiply v0.1.13
Dec 11 14:03:43.092 INFO [stderr]    Compiling ndarray v0.9.1
Dec 11 14:03:43.121 INFO [stderr]     Checking itertools v0.6.0
Dec 11 14:03:43.121 INFO [stderr]     Checking num-complex v0.1.37
Dec 11 14:03:43.121 INFO [stderr]     Checking termion v1.3.0
Dec 11 14:03:54.471 INFO [stderr]     Checking ndarray-rand v0.5.0
Dec 11 14:03:55.182 INFO [stderr]     Checking card-engine v0.1.0 (/source)
Dec 11 14:03:56.136 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:56.137 INFO [stderr]   --> src/germanwhist/phase.rs:43:13
Dec 11 14:03:56.137 INFO [stderr]    |
Dec 11 14:03:56.137 INFO [stderr] 43 |             /// this is the first card played
Dec 11 14:03:56.137 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:56.138 INFO [stderr]    |
Dec 11 14:03:56.138 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 11 14:03:56.138 INFO [stderr] 
Dec 11 14:03:56.138 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:56.139 INFO [stderr]   --> src/germanwhist/phase.rs:90:17
Dec 11 14:03:56.139 INFO [stderr]    |
Dec 11 14:03:56.139 INFO [stderr] 90 |                 /// Give players their new cards
Dec 11 14:03:56.139 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:56.139 INFO [stderr] 
Dec 11 14:03:56.141 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:56.141 INFO [stderr]   --> src/germanwhist/phase.rs:43:13
Dec 11 14:03:56.141 INFO [stderr]    |
Dec 11 14:03:56.141 INFO [stderr] 43 |             /// this is the first card played
Dec 11 14:03:56.142 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:56.142 INFO [stderr]    |
Dec 11 14:03:56.142 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 11 14:03:56.142 INFO [stderr] 
Dec 11 14:03:56.142 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:56.142 INFO [stderr]   --> src/germanwhist/phase.rs:90:17
Dec 11 14:03:56.142 INFO [stderr]    |
Dec 11 14:03:56.142 INFO [stderr] 90 |                 /// Give players their new cards
Dec 11 14:03:56.142 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:56.142 INFO [stderr] 
Dec 11 14:03:56.144 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:56.144 INFO [stderr]   --> src/learning/training.rs:48:9
Dec 11 14:03:56.144 INFO [stderr]    |
Dec 11 14:03:56.144 INFO [stderr] 48 |         /// epsilon-greedy state-choosing
Dec 11 14:03:56.144 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:56.144 INFO [stderr] 
Dec 11 14:03:56.144 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:56.144 INFO [stderr]   --> src/learning/training.rs:48:9
Dec 11 14:03:56.144 INFO [stderr]    |
Dec 11 14:03:56.144 INFO [stderr] 48 |         /// epsilon-greedy state-choosing
Dec 11 14:03:56.144 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:56.144 INFO [stderr] 
Dec 11 14:03:57.149 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:03:57.149 INFO [stderr]    --> src/germanwhist/player.rs:189:23
Dec 11 14:03:57.150 INFO [stderr]     |
Dec 11 14:03:57.150 INFO [stderr] 189 |     fn card_to_vector(mut x: &mut ArrayViewMut<f32, Ix1>, card: &Option<BasicCard>, suit_order: &[Suit]) {
Dec 11 14:03:57.150 INFO [stderr]     |                       ----^
Dec 11 14:03:57.150 INFO [stderr]     |                       |
Dec 11 14:03:57.151 INFO [stderr]     |                       help: remove this `mut`
Dec 11 14:03:57.151 INFO [stderr]     |
Dec 11 14:03:57.151 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 14:03:57.151 INFO [stderr] 
Dec 11 14:03:57.163 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:03:57.163 INFO [stderr]    --> src/germanwhist/player.rs:189:23
Dec 11 14:03:57.163 INFO [stderr]     |
Dec 11 14:03:57.163 INFO [stderr] 189 |     fn card_to_vector(mut x: &mut ArrayViewMut<f32, Ix1>, card: &Option<BasicCard>, suit_order: &[Suit]) {
Dec 11 14:03:57.163 INFO [stderr]     |                       ----^
Dec 11 14:03:57.163 INFO [stderr]     |                       |
Dec 11 14:03:57.163 INFO [stderr]     |                       help: remove this `mut`
Dec 11 14:03:57.163 INFO [stderr]     |
Dec 11 14:03:57.163 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 14:03:57.163 INFO [stderr] 
Dec 11 14:03:57.504 INFO [stderr] warning: method is never used: `dump`
Dec 11 14:03:57.505 INFO [stderr]    --> src/learning/neural_net.rs:283:5
Dec 11 14:03:57.505 INFO [stderr]     |
Dec 11 14:03:57.505 INFO [stderr] 283 |     fn dump(&self) {
Dec 11 14:03:57.505 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 11 14:03:57.506 INFO [stderr]     |
Dec 11 14:03:57.506 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 14:03:57.506 INFO [stderr] 
Dec 11 14:03:57.528 INFO [stderr] warning: method is never used: `dump`
Dec 11 14:03:57.528 INFO [stderr]    --> src/learning/neural_net.rs:283:5
Dec 11 14:03:57.529 INFO [stderr]     |
Dec 11 14:03:57.529 INFO [stderr] 283 |     fn dump(&self) {
Dec 11 14:03:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 11 14:03:57.529 INFO [stderr]     |
Dec 11 14:03:57.530 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 14:03:57.530 INFO [stderr] 
Dec 11 14:03:59.510 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:59.510 INFO [stderr]    --> src/bin/basic_player.rs:200:5
Dec 11 14:03:59.510 INFO [stderr]     |
Dec 11 14:03:59.510 INFO [stderr] 200 |     /// start the game
Dec 11 14:03:59.510 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 11 14:03:59.516 INFO [stderr]     |
Dec 11 14:03:59.516 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 11 14:03:59.516 INFO [stderr] 
Dec 11 14:03:59.684 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:59.684 INFO [stderr]    --> src/bin/basic_player.rs:200:5
Dec 11 14:03:59.684 INFO [stderr]     |
Dec 11 14:03:59.684 INFO [stderr] 200 |     /// start the game
Dec 11 14:03:59.684 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 11 14:03:59.684 INFO [stderr]     |
Dec 11 14:03:59.684 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 11 14:03:59.684 INFO [stderr] 
Dec 11 14:04:00.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:04:00.172 INFO [stderr]    --> src/bin/basic_player.rs:251:9
Dec 11 14:04:00.172 INFO [stderr]     |
Dec 11 14:04:00.172 INFO [stderr] 251 |         sl.train_on_episode(false);
Dec 11 14:04:00.172 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:04:00.172 INFO [stderr]     |
Dec 11 14:04:00.172 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 14:04:00.172 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:04:00.172 INFO [stderr] 
Dec 11 14:04:00.192 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:04:00.192 INFO [stderr]    --> src/bin/basic_player.rs:251:9
Dec 11 14:04:00.192 INFO [stderr]     |
Dec 11 14:04:00.192 INFO [stderr] 251 |         sl.train_on_episode(false);
Dec 11 14:04:00.192 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:04:00.192 INFO [stderr]     |
Dec 11 14:04:00.193 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 14:04:00.193 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:04:00.193 INFO [stderr] 
Dec 11 14:04:00.731 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.78s
Dec 11 14:04:00.736 INFO [stderr] su: No module specific data is present
Dec 11 14:04:01.944 INFO running `"docker" "inspect" "ae394a3395938953d6ba3aafaea0fd0b40408be52ef76aa24984aab0a31653e7"`
Dec 11 14:04:02.300 INFO running `"docker" "rm" "-f" "ae394a3395938953d6ba3aafaea0fd0b40408be52ef76aa24984aab0a31653e7"`
Dec 11 14:04:02.668 INFO [stdout] ae394a3395938953d6ba3aafaea0fd0b40408be52ef76aa24984aab0a31653e7