Dec 04 13:45:40.804 INFO checking mratsim/rustygo against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 13:45:40.804 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 13:45:41.324 INFO [stdout] 0ef998ff61d155880a5d768d947ff5196cb72036065f7b2dcf06dc74dfb43dca
Dec 04 13:45:41.326 INFO running `"docker" "start" "-a" "0ef998ff61d155880a5d768d947ff5196cb72036065f7b2dcf06dc74dfb43dca"`
Dec 04 13:45:43.110 INFO [stderr] usermod: no changes
Dec 04 13:45:43.242 INFO [stderr]     Checking libc v0.2.4
Dec 04 13:45:43.242 INFO [stderr]     Checking fnv v1.0.2
Dec 04 13:45:43.242 INFO [stderr]     Checking itertools v0.4.6
Dec 04 13:45:43.251 INFO [stderr]    Compiling advapi32-sys v0.1.2
Dec 04 13:45:45.318 INFO [stderr]     Checking rand v0.3.12
Dec 04 13:45:47.170 INFO [stderr]     Checking rusty_go v0.1.0 (/source)
Dec 04 13:45:48.131 INFO [stderr] warning: unused import: `BufRead`
Dec 04 13:45:48.131 INFO [stderr]   --> src/main.rs:19:22
Dec 04 13:45:48.131 INFO [stderr]    |
Dec 04 13:45:48.131 INFO [stderr] 19 | use std::io::{stdin, BufRead};
Dec 04 13:45:48.131 INFO [stderr]    |                      ^^^^^^^
Dec 04 13:45:48.131 INFO [stderr]    |
Dec 04 13:45:48.131 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 13:45:48.131 INFO [stderr] 
Dec 04 13:45:48.211 INFO [stderr] warning: unused import: `BufRead`
Dec 04 13:45:48.211 INFO [stderr]   --> src/main.rs:19:22
Dec 04 13:45:48.211 INFO [stderr]    |
Dec 04 13:45:48.211 INFO [stderr] 19 | use std::io::{stdin, BufRead};
Dec 04 13:45:48.211 INFO [stderr]    |                      ^^^^^^^
Dec 04 13:45:48.211 INFO [stderr]    |
Dec 04 13:45:48.211 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 13:45:48.211 INFO [stderr] 
Dec 04 13:45:48.239 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:45:48.239 INFO [stderr]    --> src/main.rs:659:13
Dec 04 13:45:48.239 INFO [stderr]     |
Dec 04 13:45:48.239 INFO [stderr] 659 |         let mut tree = MCTS_tree {
Dec 04 13:45:48.239 INFO [stderr]     |             ----^^^^
Dec 04 13:45:48.239 INFO [stderr]     |             |
Dec 04 13:45:48.239 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:45:48.239 INFO [stderr]     |
Dec 04 13:45:48.239 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 13:45:48.239 INFO [stderr] 
Dec 04 13:45:48.260 INFO [stderr] warning: constant item is never used: `SCORE_TO_BEAT`
Dec 04 13:45:48.260 INFO [stderr]   --> src/main.rs:28:1
Dec 04 13:45:48.260 INFO [stderr]    |
Dec 04 13:45:48.260 INFO [stderr] 28 | const SCORE_TO_BEAT: i16 = 361; //Number of Intersections (used for half-step counting)
Dec 04 13:45:48.260 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:45:48.263 INFO [stderr]    |
Dec 04 13:45:48.263 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 13:45:48.263 INFO [stderr] 
Dec 04 13:45:48.264 INFO [stderr] warning: method is never used: `new`
Dec 04 13:45:48.264 INFO [stderr]    --> src/main.rs:525:5
Dec 04 13:45:48.264 INFO [stderr]     |
Dec 04 13:45:48.264 INFO [stderr] 525 |     fn new() -> MCTS_tree{
Dec 04 13:45:48.265 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:45:48.265 INFO [stderr] 
Dec 04 13:45:48.267 INFO [stderr] warning: type `MCTS_tree` should have a camel case name such as `MctsTree`
Dec 04 13:45:48.267 INFO [stderr]    --> src/main.rs:511:1
Dec 04 13:45:48.267 INFO [stderr]     |
Dec 04 13:45:48.267 INFO [stderr] 511 | / struct MCTS_tree{
Dec 04 13:45:48.267 INFO [stderr] 512 | |     board_state: Board19,
Dec 04 13:45:48.267 INFO [stderr] 513 | |     nx_player: Intersection,
Dec 04 13:45:48.267 INFO [stderr] 514 | |     board_hash: u16,
Dec 04 13:45:48.267 INFO [stderr] ...   |
Dec 04 13:45:48.280 INFO [stderr] 521 | |     last_move: u16,
Dec 04 13:45:48.280 INFO [stderr] 522 | | }
Dec 04 13:45:48.280 INFO [stderr]     | |_^
Dec 04 13:45:48.280 INFO [stderr]     |
Dec 04 13:45:48.280 INFO [stderr]     = note: #[warn(non_camel_case_types)] on by default
Dec 04 13:45:48.280 INFO [stderr] 
Dec 04 13:45:48.410 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:45:48.410 INFO [stderr]    --> src/main.rs:659:13
Dec 04 13:45:48.410 INFO [stderr]     |
Dec 04 13:45:48.410 INFO [stderr] 659 |         let mut tree = MCTS_tree {
Dec 04 13:45:48.410 INFO [stderr]     |             ----^^^^
Dec 04 13:45:48.410 INFO [stderr]     |             |
Dec 04 13:45:48.410 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:45:48.410 INFO [stderr]     |
Dec 04 13:45:48.410 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 13:45:48.410 INFO [stderr] 
Dec 04 13:45:48.429 INFO [stderr] warning: constant item is never used: `SCORE_TO_BEAT`
Dec 04 13:45:48.429 INFO [stderr]   --> src/main.rs:28:1
Dec 04 13:45:48.429 INFO [stderr]    |
Dec 04 13:45:48.429 INFO [stderr] 28 | const SCORE_TO_BEAT: i16 = 361; //Number of Intersections (used for half-step counting)
Dec 04 13:45:48.429 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:45:48.429 INFO [stderr]    |
Dec 04 13:45:48.429 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 13:45:48.429 INFO [stderr] 
Dec 04 13:45:48.429 INFO [stderr] warning: method is never used: `new`
Dec 04 13:45:48.429 INFO [stderr]    --> src/main.rs:525:5
Dec 04 13:45:48.429 INFO [stderr]     |
Dec 04 13:45:48.429 INFO [stderr] 525 |     fn new() -> MCTS_tree{
Dec 04 13:45:48.429 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:45:48.429 INFO [stderr] 
Dec 04 13:45:48.431 INFO [stderr] warning: type `MCTS_tree` should have a camel case name such as `MctsTree`
Dec 04 13:45:48.431 INFO [stderr]    --> src/main.rs:511:1
Dec 04 13:45:48.431 INFO [stderr]     |
Dec 04 13:45:48.431 INFO [stderr] 511 | / struct MCTS_tree{
Dec 04 13:45:48.431 INFO [stderr] 512 | |     board_state: Board19,
Dec 04 13:45:48.431 INFO [stderr] 513 | |     nx_player: Intersection,
Dec 04 13:45:48.431 INFO [stderr] 514 | |     board_hash: u16,
Dec 04 13:45:48.431 INFO [stderr] ...   |
Dec 04 13:45:48.431 INFO [stderr] 521 | |     last_move: u16,
Dec 04 13:45:48.431 INFO [stderr] 522 | | }
Dec 04 13:45:48.431 INFO [stderr]     | |_^
Dec 04 13:45:48.431 INFO [stderr]     |
Dec 04 13:45:48.431 INFO [stderr]     = note: #[warn(non_camel_case_types)] on by default
Dec 04 13:45:48.431 INFO [stderr] 
Dec 04 13:45:48.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
Dec 04 13:45:48.500 INFO [stderr] su: No module specific data is present
Dec 04 13:45:49.937 INFO running `"docker" "inspect" "0ef998ff61d155880a5d768d947ff5196cb72036065f7b2dcf06dc74dfb43dca"`
Dec 04 13:45:50.317 INFO running `"docker" "rm" "-f" "0ef998ff61d155880a5d768d947ff5196cb72036065f7b2dcf06dc74dfb43dca"`
Dec 04 13:45:50.635 INFO [stdout] 0ef998ff61d155880a5d768d947ff5196cb72036065f7b2dcf06dc74dfb43dca