Dec 19 12:20:46.308 INFO checking mratsim/rustygo against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:20:46.309 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/mratsim/rustygo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:20:46.776 INFO [stdout] d502a8e841758a21d3ab2e8c22d72977f61c715e4c41a91bc7c01e60ec26a887
Dec 19 12:20:46.780 INFO running `"docker" "start" "-a" "d502a8e841758a21d3ab2e8c22d72977f61c715e4c41a91bc7c01e60ec26a887"`
Dec 19 12:20:48.588 INFO [stderr]     Checking winapi v0.2.5
Dec 19 12:20:48.588 INFO [stderr]     Checking libc v0.2.4
Dec 19 12:20:48.592 INFO [stderr]     Checking fnv v1.0.2
Dec 19 12:20:48.608 INFO [stderr]     Checking itertools v0.4.6
Dec 19 12:20:48.609 INFO [stderr]    Compiling advapi32-sys v0.1.2
Dec 19 12:20:51.053 INFO [stderr]     Checking rand v0.3.12
Dec 19 12:20:52.789 INFO [stderr]     Checking rusty_go v0.1.0 (/opt/crater/workdir)
Dec 19 12:20:53.512 INFO [stderr] warning: unused import: `BufRead`
Dec 19 12:20:53.512 INFO [stderr]   --> src/main.rs:19:22
Dec 19 12:20:53.512 INFO [stderr]    |
Dec 19 12:20:53.512 INFO [stderr] 19 | use std::io::{stdin, BufRead};
Dec 19 12:20:53.512 INFO [stderr]    |                      ^^^^^^^
Dec 19 12:20:53.512 INFO [stderr]    |
Dec 19 12:20:53.512 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 12:20:53.512 INFO [stderr] 
Dec 19 12:20:53.644 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:20:53.644 INFO [stderr]    --> src/main.rs:659:13
Dec 19 12:20:53.644 INFO [stderr]     |
Dec 19 12:20:53.644 INFO [stderr] 659 |         let mut tree = MCTS_tree {
Dec 19 12:20:53.644 INFO [stderr]     |             ----^^^^
Dec 19 12:20:53.644 INFO [stderr]     |             |
Dec 19 12:20:53.644 INFO [stderr]     |             help: remove this `mut`
Dec 19 12:20:53.644 INFO [stderr]     |
Dec 19 12:20:53.644 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:20:53.644 INFO [stderr] 
Dec 19 12:20:53.660 INFO [stderr] warning: constant item is never used: `SCORE_TO_BEAT`
Dec 19 12:20:53.660 INFO [stderr]   --> src/main.rs:28:1
Dec 19 12:20:53.660 INFO [stderr]    |
Dec 19 12:20:53.660 INFO [stderr] 28 | const SCORE_TO_BEAT: i16 = 361; //Number of Intersections (used for half-step counting)
Dec 19 12:20:53.660 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:20:53.660 INFO [stderr]    |
Dec 19 12:20:53.660 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:20:53.660 INFO [stderr] 
Dec 19 12:20:53.660 INFO [stderr] warning: method is never used: `new`
Dec 19 12:20:53.660 INFO [stderr]    --> src/main.rs:525:5
Dec 19 12:20:53.660 INFO [stderr]     |
Dec 19 12:20:53.660 INFO [stderr] 525 |     fn new() -> MCTS_tree{
Dec 19 12:20:53.660 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:20:53.660 INFO [stderr] 
Dec 19 12:20:53.660 INFO [stderr] warning: type `MCTS_tree` should have a camel case name such as `MctsTree`
Dec 19 12:20:53.660 INFO [stderr]    --> src/main.rs:511:1
Dec 19 12:20:53.660 INFO [stderr]     |
Dec 19 12:20:53.660 INFO [stderr] 511 | / struct MCTS_tree{
Dec 19 12:20:53.660 INFO [stderr] 512 | |     board_state: Board19,
Dec 19 12:20:53.660 INFO [stderr] 513 | |     nx_player: Intersection,
Dec 19 12:20:53.661 INFO [stderr] 514 | |     board_hash: u16,
Dec 19 12:20:53.661 INFO [stderr] ...   |
Dec 19 12:20:53.661 INFO [stderr] 521 | |     last_move: u16,
Dec 19 12:20:53.661 INFO [stderr] 522 | | }
Dec 19 12:20:53.661 INFO [stderr]     | |_^
Dec 19 12:20:53.661 INFO [stderr]     |
Dec 19 12:20:53.661 INFO [stderr]     = note: #[warn(non_camel_case_types)] on by default
Dec 19 12:20:53.661 INFO [stderr] 
Dec 19 12:20:53.696 INFO [stderr] warning: unused import: `BufRead`
Dec 19 12:20:53.696 INFO [stderr]   --> src/main.rs:19:22
Dec 19 12:20:53.696 INFO [stderr]    |
Dec 19 12:20:53.696 INFO [stderr] 19 | use std::io::{stdin, BufRead};
Dec 19 12:20:53.696 INFO [stderr]    |                      ^^^^^^^
Dec 19 12:20:53.696 INFO [stderr]    |
Dec 19 12:20:53.696 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 12:20:53.696 INFO [stderr] 
Dec 19 12:20:53.892 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:20:53.892 INFO [stderr]    --> src/main.rs:659:13
Dec 19 12:20:53.892 INFO [stderr]     |
Dec 19 12:20:53.892 INFO [stderr] 659 |         let mut tree = MCTS_tree {
Dec 19 12:20:53.892 INFO [stderr]     |             ----^^^^
Dec 19 12:20:53.892 INFO [stderr]     |             |
Dec 19 12:20:53.892 INFO [stderr]     |             help: remove this `mut`
Dec 19 12:20:53.892 INFO [stderr]     |
Dec 19 12:20:53.892 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:20:53.892 INFO [stderr] 
Dec 19 12:20:53.904 INFO [stderr] warning: constant item is never used: `SCORE_TO_BEAT`
Dec 19 12:20:53.904 INFO [stderr]   --> src/main.rs:28:1
Dec 19 12:20:53.904 INFO [stderr]    |
Dec 19 12:20:53.904 INFO [stderr] 28 | const SCORE_TO_BEAT: i16 = 361; //Number of Intersections (used for half-step counting)
Dec 19 12:20:53.904 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:20:53.904 INFO [stderr]    |
Dec 19 12:20:53.904 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:20:53.904 INFO [stderr] 
Dec 19 12:20:53.906 INFO [stderr] warning: method is never used: `new`
Dec 19 12:20:53.906 INFO [stderr]    --> src/main.rs:525:5
Dec 19 12:20:53.906 INFO [stderr]     |
Dec 19 12:20:53.906 INFO [stderr] 525 |     fn new() -> MCTS_tree{
Dec 19 12:20:53.906 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:20:53.906 INFO [stderr] 
Dec 19 12:20:53.914 INFO [stderr] warning: type `MCTS_tree` should have a camel case name such as `MctsTree`
Dec 19 12:20:53.914 INFO [stderr]    --> src/main.rs:511:1
Dec 19 12:20:53.914 INFO [stderr]     |
Dec 19 12:20:53.914 INFO [stderr] 511 | / struct MCTS_tree{
Dec 19 12:20:53.914 INFO [stderr] 512 | |     board_state: Board19,
Dec 19 12:20:53.914 INFO [stderr] 513 | |     nx_player: Intersection,
Dec 19 12:20:53.914 INFO [stderr] 514 | |     board_hash: u16,
Dec 19 12:20:53.914 INFO [stderr] ...   |
Dec 19 12:20:53.914 INFO [stderr] 521 | |     last_move: u16,
Dec 19 12:20:53.914 INFO [stderr] 522 | | }
Dec 19 12:20:53.914 INFO [stderr]     | |_^
Dec 19 12:20:53.914 INFO [stderr]     |
Dec 19 12:20:53.914 INFO [stderr]     = note: #[warn(non_camel_case_types)] on by default
Dec 19 12:20:53.914 INFO [stderr] 
Dec 19 12:20:53.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.45s
Dec 19 12:20:54.830 INFO running `"docker" "inspect" "d502a8e841758a21d3ab2e8c22d72977f61c715e4c41a91bc7c01e60ec26a887"`
Dec 19 12:20:55.210 INFO running `"docker" "rm" "-f" "d502a8e841758a21d3ab2e8c22d72977f61c715e4c41a91bc7c01e60ec26a887"`
Dec 19 12:20:55.521 INFO [stdout] d502a8e841758a21d3ab2e8c22d72977f61c715e4c41a91bc7c01e60ec26a887