Dec 11 14:03:41.516 INFO checking masonium/card-engine against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:03:41.516 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14:03:42.062 INFO [stdout] 7fe9bfb438f47c98a182ae7b7efe69a97e4a7708329c1e6563318c3ea49fac7a
Dec 11 14:03:42.064 INFO running `"docker" "start" "-a" "7fe9bfb438f47c98a182ae7b7efe69a97e4a7708329c1e6563318c3ea49fac7a"`
Dec 11 14:03:43.564 INFO [stderr] usermod: no changes
Dec 11 14:03:43.668 INFO [stderr]    Compiling matrixmultiply v0.1.13
Dec 11 14:03:43.672 INFO [stderr]     Checking num-complex v0.1.37
Dec 11 14:03:43.672 INFO [stderr]     Checking termion v1.3.0
Dec 11 14:03:46.382 INFO [stderr]     Checking ndarray v0.9.1
Dec 11 14:03:52.812 INFO [stderr]     Checking ndarray-rand v0.5.0
Dec 11 14:03:53.376 INFO [stderr]     Checking card-engine v0.1.0 (/source)
Dec 11 14:03:53.944 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:53.944 INFO [stderr]   --> src/germanwhist/phase.rs:43:13
Dec 11 14:03:53.944 INFO [stderr]    |
Dec 11 14:03:53.944 INFO [stderr] 43 |             /// this is the first card played
Dec 11 14:03:53.944 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:53.944 INFO [stderr]    |
Dec 11 14:03:53.944 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 11 14:03:53.944 INFO [stderr] 
Dec 11 14:03:53.944 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:53.944 INFO [stderr]   --> src/germanwhist/phase.rs:90:17
Dec 11 14:03:53.944 INFO [stderr]    |
Dec 11 14:03:53.944 INFO [stderr] 90 |                 /// Give players their new cards
Dec 11 14:03:53.944 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:53.944 INFO [stderr] 
Dec 11 14:03:53.964 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:53.964 INFO [stderr]   --> src/learning/training.rs:48:9
Dec 11 14:03:53.964 INFO [stderr]    |
Dec 11 14:03:53.964 INFO [stderr] 48 |         /// epsilon-greedy state-choosing
Dec 11 14:03:53.964 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:53.964 INFO [stderr] 
Dec 11 14:03:54.180 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:54.180 INFO [stderr]   --> src/germanwhist/phase.rs:43:13
Dec 11 14:03:54.180 INFO [stderr]    |
Dec 11 14:03:54.180 INFO [stderr] 43 |             /// this is the first card played
Dec 11 14:03:54.180 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:54.180 INFO [stderr]    |
Dec 11 14:03:54.180 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 11 14:03:54.180 INFO [stderr] 
Dec 11 14:03:54.188 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:54.188 INFO [stderr]   --> src/germanwhist/phase.rs:90:17
Dec 11 14:03:54.188 INFO [stderr]    |
Dec 11 14:03:54.188 INFO [stderr] 90 |                 /// Give players their new cards
Dec 11 14:03:54.188 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:54.188 INFO [stderr] 
Dec 11 14:03:54.188 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:54.188 INFO [stderr]   --> src/learning/training.rs:48:9
Dec 11 14:03:54.188 INFO [stderr]    |
Dec 11 14:03:54.188 INFO [stderr] 48 |         /// epsilon-greedy state-choosing
Dec 11 14:03:54.188 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:54.188 INFO [stderr] 
Dec 11 14:03:54.956 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:03:54.956 INFO [stderr]    --> src/germanwhist/player.rs:189:23
Dec 11 14:03:54.956 INFO [stderr]     |
Dec 11 14:03:54.956 INFO [stderr] 189 |     fn card_to_vector(mut x: &mut ArrayViewMut<f32, Ix1>, card: &Option<BasicCard>, suit_order: &[Suit]) {
Dec 11 14:03:54.956 INFO [stderr]     |                       ----^
Dec 11 14:03:54.956 INFO [stderr]     |                       |
Dec 11 14:03:54.956 INFO [stderr]     |                       help: remove this `mut`
Dec 11 14:03:54.956 INFO [stderr]     |
Dec 11 14:03:54.956 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 14:03:54.956 INFO [stderr] 
Dec 11 14:03:55.120 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:03:55.120 INFO [stderr]    --> src/germanwhist/player.rs:189:23
Dec 11 14:03:55.120 INFO [stderr]     |
Dec 11 14:03:55.120 INFO [stderr] 189 |     fn card_to_vector(mut x: &mut ArrayViewMut<f32, Ix1>, card: &Option<BasicCard>, suit_order: &[Suit]) {
Dec 11 14:03:55.121 INFO [stderr]     |                       ----^
Dec 11 14:03:55.121 INFO [stderr]     |                       |
Dec 11 14:03:55.121 INFO [stderr]     |                       help: remove this `mut`
Dec 11 14:03:55.121 INFO [stderr]     |
Dec 11 14:03:55.121 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 14:03:55.122 INFO [stderr] 
Dec 11 14:03:55.183 INFO [stderr] warning: method is never used: `dump`
Dec 11 14:03:55.183 INFO [stderr]    --> src/learning/neural_net.rs:283:5
Dec 11 14:03:55.183 INFO [stderr]     |
Dec 11 14:03:55.183 INFO [stderr] 283 |     fn dump(&self) {
Dec 11 14:03:55.183 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 11 14:03:55.183 INFO [stderr]     |
Dec 11 14:03:55.183 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 14:03:55.183 INFO [stderr] 
Dec 11 14:03:55.404 INFO [stderr] warning: method is never used: `dump`
Dec 11 14:03:55.404 INFO [stderr]    --> src/learning/neural_net.rs:283:5
Dec 11 14:03:55.404 INFO [stderr]     |
Dec 11 14:03:55.404 INFO [stderr] 283 |     fn dump(&self) {
Dec 11 14:03:55.404 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 11 14:03:55.404 INFO [stderr]     |
Dec 11 14:03:55.404 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 14:03:55.404 INFO [stderr] 
Dec 11 14:03:57.240 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:57.240 INFO [stderr]    --> src/bin/basic_player.rs:200:5
Dec 11 14:03:57.240 INFO [stderr]     |
Dec 11 14:03:57.240 INFO [stderr] 200 |     /// start the game
Dec 11 14:03:57.240 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 11 14:03:57.240 INFO [stderr]     |
Dec 11 14:03:57.241 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 11 14:03:57.241 INFO [stderr] 
Dec 11 14:03:57.772 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 14:03:57.772 INFO [stderr]    --> src/bin/basic_player.rs:200:5
Dec 11 14:03:57.772 INFO [stderr]     |
Dec 11 14:03:57.772 INFO [stderr] 200 |     /// start the game
Dec 11 14:03:57.773 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 11 14:03:57.773 INFO [stderr]     |
Dec 11 14:03:57.773 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 11 14:03:57.773 INFO [stderr] 
Dec 11 14:03:57.936 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:03:57.936 INFO [stderr]    --> src/bin/basic_player.rs:251:9
Dec 11 14:03:57.936 INFO [stderr]     |
Dec 11 14:03:57.936 INFO [stderr] 251 |         sl.train_on_episode(false);
Dec 11 14:03:57.936 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:57.936 INFO [stderr]     |
Dec 11 14:03:57.936 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 14:03:57.936 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:03:57.936 INFO [stderr] 
Dec 11 14:03:58.332 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:03:58.332 INFO [stderr]    --> src/bin/basic_player.rs:251:9
Dec 11 14:03:58.332 INFO [stderr]     |
Dec 11 14:03:58.332 INFO [stderr] 251 |         sl.train_on_episode(false);
Dec 11 14:03:58.332 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:03:58.332 INFO [stderr]     |
Dec 11 14:03:58.333 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 14:03:58.333 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:03:58.333 INFO [stderr] 
Dec 11 14:03:58.565 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.99s
Dec 11 14:03:58.571 INFO [stderr] su: No module specific data is present
Dec 11 14:04:00.007 INFO running `"docker" "inspect" "7fe9bfb438f47c98a182ae7b7efe69a97e4a7708329c1e6563318c3ea49fac7a"`
Dec 11 14:04:00.392 INFO running `"docker" "rm" "-f" "7fe9bfb438f47c98a182ae7b7efe69a97e4a7708329c1e6563318c3ea49fac7a"`
Dec 11 14:04:00.724 INFO [stdout] 7fe9bfb438f47c98a182ae7b7efe69a97e4a7708329c1e6563318c3ea49fac7a