Dec 17 19:17:36.359 INFO checking mratsim/rustygo against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:17:36.359 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:17:36.964 INFO [stdout] bc1ed4219633e0f5919dc5581854f1d043bc797d2b2e943e8d111120965a131c
Dec 17 19:17:36.966 INFO running `"docker" "start" "-a" "bc1ed4219633e0f5919dc5581854f1d043bc797d2b2e943e8d111120965a131c"`
Dec 17 19:17:39.420 INFO [stderr]     Checking winapi v0.2.5
Dec 17 19:17:39.420 INFO [stderr]     Checking libc v0.2.4
Dec 17 19:17:39.420 INFO [stderr]     Checking fnv v1.0.2
Dec 17 19:17:39.420 INFO [stderr]     Checking itertools v0.4.6
Dec 17 19:17:41.016 INFO [stderr]     Checking advapi32-sys v0.1.2
Dec 17 19:17:41.237 INFO [stderr]     Checking rand v0.3.12
Dec 17 19:17:42.956 INFO [stderr]     Checking rusty_go v0.1.0 (/opt/crater/workdir)
Dec 17 19:17:43.668 INFO [stderr] warning: unused import: `BufRead`
Dec 17 19:17:43.668 INFO [stderr]   --> src/main.rs:19:22
Dec 17 19:17:43.668 INFO [stderr]    |
Dec 17 19:17:43.668 INFO [stderr] 19 | use std::io::{stdin, BufRead};
Dec 17 19:17:43.668 INFO [stderr]    |                      ^^^^^^^
Dec 17 19:17:43.668 INFO [stderr]    |
Dec 17 19:17:43.668 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 19:17:43.668 INFO [stderr] 
Dec 17 19:17:43.720 INFO [stderr] warning: unused import: `BufRead`
Dec 17 19:17:43.720 INFO [stderr]   --> src/main.rs:19:22
Dec 17 19:17:43.720 INFO [stderr]    |
Dec 17 19:17:43.720 INFO [stderr] 19 | use std::io::{stdin, BufRead};
Dec 17 19:17:43.720 INFO [stderr]    |                      ^^^^^^^
Dec 17 19:17:43.720 INFO [stderr]    |
Dec 17 19:17:43.720 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 19:17:43.720 INFO [stderr] 
Dec 17 19:17:43.787 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:17:43.787 INFO [stderr]    --> src/main.rs:659:13
Dec 17 19:17:43.787 INFO [stderr]     |
Dec 17 19:17:43.787 INFO [stderr] 659 |         let mut tree = MCTS_tree {
Dec 17 19:17:43.788 INFO [stderr]     |             ----^^^^
Dec 17 19:17:43.788 INFO [stderr]     |             |
Dec 17 19:17:43.788 INFO [stderr]     |             help: remove this `mut`
Dec 17 19:17:43.788 INFO [stderr]     |
Dec 17 19:17:43.788 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 19:17:43.789 INFO [stderr] 
Dec 17 19:17:43.804 INFO [stderr] warning: constant item is never used: `SCORE_TO_BEAT`
Dec 17 19:17:43.804 INFO [stderr]   --> src/main.rs:28:1
Dec 17 19:17:43.804 INFO [stderr]    |
Dec 17 19:17:43.804 INFO [stderr] 28 | const SCORE_TO_BEAT: i16 = 361; //Number of Intersections (used for half-step counting)
Dec 17 19:17:43.804 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:17:43.804 INFO [stderr]    |
Dec 17 19:17:43.804 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:17:43.804 INFO [stderr] 
Dec 17 19:17:43.804 INFO [stderr] warning: method is never used: `new`
Dec 17 19:17:43.804 INFO [stderr]    --> src/main.rs:525:5
Dec 17 19:17:43.804 INFO [stderr]     |
Dec 17 19:17:43.805 INFO [stderr] 525 |     fn new() -> MCTS_tree{
Dec 17 19:17:43.805 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:17:43.805 INFO [stderr] 
Dec 17 19:17:43.807 INFO [stderr] warning: type `MCTS_tree` should have a camel case name such as `MctsTree`
Dec 17 19:17:43.808 INFO [stderr]    --> src/main.rs:511:1
Dec 17 19:17:43.808 INFO [stderr]     |
Dec 17 19:17:43.808 INFO [stderr] 511 | / struct MCTS_tree{
Dec 17 19:17:43.808 INFO [stderr] 512 | |     board_state: Board19,
Dec 17 19:17:43.808 INFO [stderr] 513 | |     nx_player: Intersection,
Dec 17 19:17:43.808 INFO [stderr] 514 | |     board_hash: u16,
Dec 17 19:17:43.809 INFO [stderr] ...   |
Dec 17 19:17:43.809 INFO [stderr] 521 | |     last_move: u16,
Dec 17 19:17:43.809 INFO [stderr] 522 | | }
Dec 17 19:17:43.809 INFO [stderr]     | |_^
Dec 17 19:17:43.809 INFO [stderr]     |
Dec 17 19:17:43.810 INFO [stderr]     = note: #[warn(non_camel_case_types)] on by default
Dec 17 19:17:43.810 INFO [stderr] 
Dec 17 19:17:43.922 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:17:43.922 INFO [stderr]    --> src/main.rs:659:13
Dec 17 19:17:43.922 INFO [stderr]     |
Dec 17 19:17:43.922 INFO [stderr] 659 |         let mut tree = MCTS_tree {
Dec 17 19:17:43.922 INFO [stderr]     |             ----^^^^
Dec 17 19:17:43.922 INFO [stderr]     |             |
Dec 17 19:17:43.922 INFO [stderr]     |             help: remove this `mut`
Dec 17 19:17:43.922 INFO [stderr]     |
Dec 17 19:17:43.922 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 19:17:43.922 INFO [stderr] 
Dec 17 19:17:43.948 INFO [stderr] warning: constant item is never used: `SCORE_TO_BEAT`
Dec 17 19:17:43.948 INFO [stderr]   --> src/main.rs:28:1
Dec 17 19:17:43.948 INFO [stderr]    |
Dec 17 19:17:43.948 INFO [stderr] 28 | const SCORE_TO_BEAT: i16 = 361; //Number of Intersections (used for half-step counting)
Dec 17 19:17:43.948 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:17:43.948 INFO [stderr]    |
Dec 17 19:17:43.948 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:17:43.948 INFO [stderr] 
Dec 17 19:17:43.948 INFO [stderr] warning: method is never used: `new`
Dec 17 19:17:43.948 INFO [stderr]    --> src/main.rs:525:5
Dec 17 19:17:43.948 INFO [stderr]     |
Dec 17 19:17:43.948 INFO [stderr] 525 |     fn new() -> MCTS_tree{
Dec 17 19:17:43.948 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:17:43.948 INFO [stderr] 
Dec 17 19:17:43.951 INFO [stderr] warning: type `MCTS_tree` should have a camel case name such as `MctsTree`
Dec 17 19:17:43.951 INFO [stderr]    --> src/main.rs:511:1
Dec 17 19:17:43.951 INFO [stderr]     |
Dec 17 19:17:43.951 INFO [stderr] 511 | / struct MCTS_tree{
Dec 17 19:17:43.951 INFO [stderr] 512 | |     board_state: Board19,
Dec 17 19:17:43.951 INFO [stderr] 513 | |     nx_player: Intersection,
Dec 17 19:17:43.951 INFO [stderr] 514 | |     board_hash: u16,
Dec 17 19:17:43.951 INFO [stderr] ...   |
Dec 17 19:17:43.951 INFO [stderr] 521 | |     last_move: u16,
Dec 17 19:17:43.951 INFO [stderr] 522 | | }
Dec 17 19:17:43.951 INFO [stderr]     | |_^
Dec 17 19:17:43.951 INFO [stderr]     |
Dec 17 19:17:43.951 INFO [stderr]     = note: #[warn(non_camel_case_types)] on by default
Dec 17 19:17:43.951 INFO [stderr] 
Dec 17 19:17:43.998 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
Dec 17 19:17:44.980 INFO running `"docker" "inspect" "bc1ed4219633e0f5919dc5581854f1d043bc797d2b2e943e8d111120965a131c"`
Dec 17 19:17:45.340 INFO running `"docker" "rm" "-f" "bc1ed4219633e0f5919dc5581854f1d043bc797d2b2e943e8d111120965a131c"`
Dec 17 19:17:45.689 INFO [stdout] bc1ed4219633e0f5919dc5581854f1d043bc797d2b2e943e8d111120965a131c