[INFO] cloning repository https://github.com/Undo-all/blokus-ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Undo-all/blokus-ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUndo-all%2Fblokus-ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUndo-all%2Fblokus-ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63259342c42fb52b888b845482bc91df20f11107
[INFO] checking Undo-all/blokus-ai against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUndo-all%2Fblokus-ai" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Undo-all/blokus-ai on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Undo-all/blokus-ai
[INFO] finished tweaking git repo https://github.com/Undo-all/blokus-ai
[INFO] tweaked toml for git repo https://github.com/Undo-all/blokus-ai written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/Undo-all/blokus-ai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a749963f56e861b06ebd6d9b3e7899e62275a6c285f935a8d9e10bdf01f5e95
[INFO] running `Command { std: "docker" "start" "-a" "0a749963f56e861b06ebd6d9b3e7899e62275a6c285f935a8d9e10bdf01f5e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a749963f56e861b06ebd6d9b3e7899e62275a6c285f935a8d9e10bdf01f5e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a749963f56e861b06ebd6d9b3e7899e62275a6c285f935a8d9e10bdf01f5e95", kill_on_drop: false }`
[INFO] [stdout] 0a749963f56e861b06ebd6d9b3e7899e62275a6c285f935a8d9e10bdf01f5e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d667060ebd1b6f9aeecce8a52a9791999aa6a9550ef3ebda6152ffb565c11955
[INFO] running `Command { std: "docker" "start" "-a" "d667060ebd1b6f9aeecce8a52a9791999aa6a9550ef3ebda6152ffb565c11955", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking blokus-ai v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (11 fixes)
[INFO] [stderr]        Fixed src/mcts.rs (1 fix)
[INFO] [stderr]        Fixed src/board.rs (2 fixes)
[INFO] [stderr]        Fixed src/bitboard.rs (2 fixes)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/bank.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let piece = unsafe { intrinsics::cttz(self.remaining) as usize };
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bitboard.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             .map(|&block| unsafe { intrinsics::ctpop(block) as usize })
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bitboard.rs:294:25
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let index = unsafe { intrinsics::cttz(self.bits) };
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pieces`
[INFO] [stdout]   --> src/bank.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pieces: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]    --> src/bitboard.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn display(&self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]    --> src/bitboard.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bitboard.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn new(board: &'a BitBoard) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iter`
[INFO] [stdout]     --> src/pieces.rs:1262:8
[INFO] [stdout]      |
[INFO] [stdout] 1262 | pub fn iter() -> slice::Iter<'static, Piece> {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/bank.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let piece = unsafe { intrinsics::cttz(self.remaining) as usize };
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bitboard.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             .map(|&block| unsafe { intrinsics::ctpop(block) as usize })
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bitboard.rs:294:25
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let index = unsafe { intrinsics::cttz(self.bits) };
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pieces`
[INFO] [stdout]   --> src/bank.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pieces: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]    --> src/bitboard.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn display(&self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]    --> src/bitboard.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bitboard.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn new(board: &'a BitBoard) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iter`
[INFO] [stdout]     --> src/pieces.rs:1262:8
[INFO] [stdout]      |
[INFO] [stdout] 1262 | pub fn iter() -> slice::Iter<'static, Piece> {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking blokus-ai v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/bank.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let piece = unsafe { intrinsics::cttz(self.remaining) as usize };
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bitboard.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             .map(|&block| unsafe { intrinsics::ctpop(block) as usize })
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bitboard.rs:294:25
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let index = unsafe { intrinsics::cttz(self.bits) };
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pieces`
[INFO] [stdout]   --> src/bank.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pieces: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]    --> src/bitboard.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn display(&self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]    --> src/bitboard.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/bank.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let piece = unsafe { intrinsics::cttz(self.remaining) as usize };
[INFO] [stdout]    |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bitboard.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn new(board: &'a BitBoard) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iter`
[INFO] [stdout]     --> src/pieces.rs:1262:8
[INFO] [stdout]      |
[INFO] [stdout] 1262 | pub fn iter() -> slice::Iter<'static, Piece> {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bitboard.rs:120:27
[INFO] [stdout]     |
[INFO] [stdout] 120 |             .map(|&block| unsafe { intrinsics::ctpop(block) as usize })
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/bitboard.rs:294:25
[INFO] [stdout]     |
[INFO] [stdout] 294 |             let index = unsafe { intrinsics::cttz(self.bits) };
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pieces`
[INFO] [stdout]   --> src/bank.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pieces: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]    --> src/bitboard.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn display(&self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]    --> src/bitboard.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bitboard.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn new(board: &'a BitBoard) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iter`
[INFO] [stdout]     --> src/pieces.rs:1262:8
[INFO] [stdout]      |
[INFO] [stdout] 1262 | pub fn iter() -> slice::Iter<'static, Piece> {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_as_u128` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(duration_as_u128)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d667060ebd1b6f9aeecce8a52a9791999aa6a9550ef3ebda6152ffb565c11955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d667060ebd1b6f9aeecce8a52a9791999aa6a9550ef3ebda6152ffb565c11955", kill_on_drop: false }`
[INFO] [stdout] d667060ebd1b6f9aeecce8a52a9791999aa6a9550ef3ebda6152ffb565c11955