[INFO] cloning repository https://github.com/phihung/othello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phihung/othello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphihung%2Fothello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphihung%2Fothello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14e85e6eb8f86e71281a85dda1c8c89bb56d77d8
[INFO] checking phihung/othello against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphihung%2Fothello" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/phihung/othello
[INFO] finished tweaking git repo https://github.com/phihung/othello
[INFO] tweaked toml for git repo https://github.com/phihung/othello written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/phihung/othello on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/phihung/othello already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc4d3cd8f32fd4d829357108e75faaebf6a0cab2a02620b7d244d58eb497ffe3
[INFO] running `Command { std: "docker" "start" "-a" "fc4d3cd8f32fd4d829357108e75faaebf6a0cab2a02620b7d244d58eb497ffe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4d3cd8f32fd4d829357108e75faaebf6a0cab2a02620b7d244d58eb497ffe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4d3cd8f32fd4d829357108e75faaebf6a0cab2a02620b7d244d58eb497ffe3", kill_on_drop: false }`
[INFO] [stdout] fc4d3cd8f32fd4d829357108e75faaebf6a0cab2a02620b7d244d58eb497ffe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2300980ce780072441be6e0313cd0057544baeeb0cb57ac494b0036231fbfc6d
[INFO] running `Command { std: "docker" "start" "-a" "2300980ce780072441be6e0313cd0057544baeeb0cb57ac494b0036231fbfc6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking bitintr v0.3.0 (https://github.com/finnbear/bitintr?branch=remove_nightly#34a5deb0)
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling pyo3-build-config v0.22.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling pyo3-ffi v0.22.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.2
[INFO] [stderr]    Compiling pyo3 v0.22.2
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling pyo3-macros v0.22.2
[INFO] [stderr]     Checking othello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/ai.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn run(&self, board: &Game) -> i32 {
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u64; 2], Infallible>
[INFO] [stdout]   --> src/bits.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub const fn get(&self) -> [u64; 2] {
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BitBoard, Infallible>
[INFO] [stdout]   --> src/bits.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn pass_move(&self) -> Self {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<BitBoard>, Infallible>
[INFO] [stdout]   --> src/bits.rs:28:46
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn make_move(&self, place: usize) -> Option<Self> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/bits.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn available_moves(&self) -> u64 {
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<usize>, Infallible>
[INFO] [stdout]   --> src/bits.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn available_moves_list(&self) -> Vec<usize> {
[INFO] [stdout]    |                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/bits.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn gen(&self, dir: isize) -> u64 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(i32, i32), Infallible>
[INFO] [stdout]    --> src/bits.rs:104:28
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn count(&self) -> (i32, i32) {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]   --> src/game.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn default() -> Self {
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<usize>, Infallible>
[INFO] [stdout]   --> src/game.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn available_moves(&self) -> Vec<usize> {
[INFO] [stdout]    |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<State, Infallible>
[INFO] [stdout]   --> src/game.rs:53:36
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn pass_move(&mut self) -> State {
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<State, Infallible>
[INFO] [stdout]   --> src/game.rs:60:50
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn make_move(&mut self, place: usize) -> State {
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `othello` (lib) due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/ai.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn run(&self, board: &Game) -> i32 {
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u64; 2], Infallible>
[INFO] [stdout]   --> src/bits.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub const fn get(&self) -> [u64; 2] {
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BitBoard, Infallible>
[INFO] [stdout]   --> src/bits.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn pass_move(&self) -> Self {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<BitBoard>, Infallible>
[INFO] [stdout]   --> src/bits.rs:28:46
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn make_move(&self, place: usize) -> Option<Self> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/bits.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn available_moves(&self) -> u64 {
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<usize>, Infallible>
[INFO] [stdout]   --> src/bits.rs:70:43
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn available_moves_list(&self) -> Vec<usize> {
[INFO] [stdout]    |                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/bits.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn gen(&self, dir: isize) -> u64 {
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(i32, i32), Infallible>
[INFO] [stdout]    --> src/bits.rs:104:28
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn count(&self) -> (i32, i32) {
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]   --> src/game.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn default() -> Self {
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<usize>, Infallible>
[INFO] [stdout]   --> src/game.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn available_moves(&self) -> Vec<usize> {
[INFO] [stdout]    |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<State, Infallible>
[INFO] [stdout]   --> src/game.rs:53:36
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn pass_move(&mut self) -> State {
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<State, Infallible>
[INFO] [stdout]   --> src/game.rs:60:50
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn make_move(&mut self, place: usize) -> State {
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `othello` (lib test) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "2300980ce780072441be6e0313cd0057544baeeb0cb57ac494b0036231fbfc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2300980ce780072441be6e0313cd0057544baeeb0cb57ac494b0036231fbfc6d", kill_on_drop: false }`
[INFO] [stdout] 2300980ce780072441be6e0313cd0057544baeeb0cb57ac494b0036231fbfc6d
