Dec 04 14:31:52.632 INFO checking masonium/card-engine against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:31:52.632 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 14:31:53.147 INFO [stdout] 6591ec29062c4a63588a7220a6a92a31eec1417468e8fcf3292240d61b07cbaa
Dec 04 14:31:53.149 INFO running `"docker" "start" "-a" "6591ec29062c4a63588a7220a6a92a31eec1417468e8fcf3292240d61b07cbaa"`
Dec 04 14:31:54.282 INFO [stderr] usermod: no changes
Dec 04 14:31:54.443 INFO [stderr]    Compiling matrixmultiply v0.1.13
Dec 04 14:31:54.447 INFO [stderr]     Checking num-complex v0.1.37
Dec 04 14:31:56.664 INFO [stderr]     Checking ndarray v0.9.1
Dec 04 14:32:03.251 INFO [stderr]     Checking ndarray-rand v0.5.0
Dec 04 14:32:03.887 INFO [stderr]     Checking card-engine v0.1.0 (/source)
Dec 04 14:32:04.747 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 14:32:04.747 INFO [stderr]   --> src/germanwhist/phase.rs:43:13
Dec 04 14:32:04.747 INFO [stderr]    |
Dec 04 14:32:04.747 INFO [stderr] 43 |             /// this is the first card played
Dec 04 14:32:04.747 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:32:04.747 INFO [stderr]    |
Dec 04 14:32:04.747 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 04 14:32:04.747 INFO [stderr] 
Dec 04 14:32:04.747 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 14:32:04.747 INFO [stderr]   --> src/germanwhist/phase.rs:90:17
Dec 04 14:32:04.747 INFO [stderr]    |
Dec 04 14:32:04.747 INFO [stderr] 90 |                 /// Give players their new cards
Dec 04 14:32:04.747 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:32:04.747 INFO [stderr] 
Dec 04 14:32:04.759 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 14:32:04.759 INFO [stderr]   --> src/learning/training.rs:48:9
Dec 04 14:32:04.759 INFO [stderr]    |
Dec 04 14:32:04.759 INFO [stderr] 48 |         /// epsilon-greedy state-choosing
Dec 04 14:32:04.759 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:32:04.759 INFO [stderr] 
Dec 04 14:32:04.807 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 14:32:04.807 INFO [stderr]   --> src/germanwhist/phase.rs:43:13
Dec 04 14:32:04.807 INFO [stderr]    |
Dec 04 14:32:04.807 INFO [stderr] 43 |             /// this is the first card played
Dec 04 14:32:04.807 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:32:04.807 INFO [stderr]    |
Dec 04 14:32:04.807 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 04 14:32:04.807 INFO [stderr] 
Dec 04 14:32:04.807 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 14:32:04.807 INFO [stderr]   --> src/germanwhist/phase.rs:90:17
Dec 04 14:32:04.807 INFO [stderr]    |
Dec 04 14:32:04.807 INFO [stderr] 90 |                 /// Give players their new cards
Dec 04 14:32:04.807 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:32:04.807 INFO [stderr] 
Dec 04 14:32:04.807 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 14:32:04.807 INFO [stderr]   --> src/learning/training.rs:48:9
Dec 04 14:32:04.807 INFO [stderr]    |
Dec 04 14:32:04.807 INFO [stderr] 48 |         /// epsilon-greedy state-choosing
Dec 04 14:32:04.807 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:32:04.807 INFO [stderr] 
Dec 04 14:32:05.747 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:32:05.747 INFO [stderr]    --> src/germanwhist/player.rs:189:23
Dec 04 14:32:05.747 INFO [stderr]     |
Dec 04 14:32:05.748 INFO [stderr] 189 |     fn card_to_vector(mut x: &mut ArrayViewMut<f32, Ix1>, card: &Option<BasicCard>, suit_order: &[Suit]) {
Dec 04 14:32:05.748 INFO [stderr]     |                       ----^
Dec 04 14:32:05.748 INFO [stderr]     |                       |
Dec 04 14:32:05.748 INFO [stderr]     |                       help: remove this `mut`
Dec 04 14:32:05.749 INFO [stderr]     |
Dec 04 14:32:05.749 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 14:32:05.749 INFO [stderr] 
Dec 04 14:32:05.808 INFO [stderr] warning: variable does not need to be mutable
Dec 04 14:32:05.808 INFO [stderr]    --> src/germanwhist/player.rs:189:23
Dec 04 14:32:05.808 INFO [stderr]     |
Dec 04 14:32:05.808 INFO [stderr] 189 |     fn card_to_vector(mut x: &mut ArrayViewMut<f32, Ix1>, card: &Option<BasicCard>, suit_order: &[Suit]) {
Dec 04 14:32:05.808 INFO [stderr]     |                       ----^
Dec 04 14:32:05.808 INFO [stderr]     |                       |
Dec 04 14:32:05.809 INFO [stderr]     |                       help: remove this `mut`
Dec 04 14:32:05.809 INFO [stderr]     |
Dec 04 14:32:05.809 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 14:32:05.809 INFO [stderr] 
Dec 04 14:32:06.087 INFO [stderr] warning: method is never used: `dump`
Dec 04 14:32:06.087 INFO [stderr]    --> src/learning/neural_net.rs:283:5
Dec 04 14:32:06.087 INFO [stderr]     |
Dec 04 14:32:06.087 INFO [stderr] 283 |     fn dump(&self) {
Dec 04 14:32:06.087 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 04 14:32:06.087 INFO [stderr]     |
Dec 04 14:32:06.087 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 14:32:06.087 INFO [stderr] 
Dec 04 14:32:06.136 INFO [stderr] warning: method is never used: `dump`
Dec 04 14:32:06.136 INFO [stderr]    --> src/learning/neural_net.rs:283:5
Dec 04 14:32:06.137 INFO [stderr]     |
Dec 04 14:32:06.137 INFO [stderr] 283 |     fn dump(&self) {
Dec 04 14:32:06.137 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 04 14:32:06.137 INFO [stderr]     |
Dec 04 14:32:06.138 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 14:32:06.138 INFO [stderr] 
Dec 04 14:32:08.327 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 14:32:08.327 INFO [stderr]    --> src/bin/basic_player.rs:200:5
Dec 04 14:32:08.327 INFO [stderr]     |
Dec 04 14:32:08.327 INFO [stderr] 200 |     /// start the game
Dec 04 14:32:08.328 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 04 14:32:08.328 INFO [stderr]     |
Dec 04 14:32:08.328 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 04 14:32:08.328 INFO [stderr] 
Dec 04 14:32:08.391 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 14:32:08.391 INFO [stderr]    --> src/bin/basic_player.rs:200:5
Dec 04 14:32:08.391 INFO [stderr]     |
Dec 04 14:32:08.392 INFO [stderr] 200 |     /// start the game
Dec 04 14:32:08.392 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 04 14:32:08.392 INFO [stderr]     |
Dec 04 14:32:08.393 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 04 14:32:08.393 INFO [stderr] 
Dec 04 14:32:08.971 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:32:08.971 INFO [stderr]    --> src/bin/basic_player.rs:251:9
Dec 04 14:32:08.971 INFO [stderr]     |
Dec 04 14:32:08.971 INFO [stderr] 251 |         sl.train_on_episode(false);
Dec 04 14:32:08.971 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:32:08.971 INFO [stderr]     |
Dec 04 14:32:08.971 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 14:32:08.971 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:32:08.971 INFO [stderr] 
Dec 04 14:32:09.014 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:32:09.014 INFO [stderr]    --> src/bin/basic_player.rs:251:9
Dec 04 14:32:09.014 INFO [stderr]     |
Dec 04 14:32:09.014 INFO [stderr] 251 |         sl.train_on_episode(false);
Dec 04 14:32:09.015 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:32:09.015 INFO [stderr]     |
Dec 04 14:32:09.016 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 14:32:09.016 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:32:09.016 INFO [stderr] 
Dec 04 14:32:09.319 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.01s
Dec 04 14:32:09.336 INFO [stderr] su: No module specific data is present
Dec 04 14:32:10.322 INFO running `"docker" "inspect" "6591ec29062c4a63588a7220a6a92a31eec1417468e8fcf3292240d61b07cbaa"`
Dec 04 14:32:10.587 INFO running `"docker" "rm" "-f" "6591ec29062c4a63588a7220a6a92a31eec1417468e8fcf3292240d61b07cbaa"`
Dec 04 14:32:11.036 INFO [stdout] 6591ec29062c4a63588a7220a6a92a31eec1417468e8fcf3292240d61b07cbaa