[INFO] cloning repository https://github.com/chris-moreton/rusty-rival
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chris-moreton/rusty-rival" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-moreton%2Frusty-rival", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-moreton%2Frusty-rival'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d4b44cd9798054f848e9489a4eb1b6a0d770e6c
[INFO] checking chris-moreton/rusty-rival 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%2Fchris-moreton%2Frusty-rival" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chris-moreton/rusty-rival
[INFO] finished tweaking git repo https://github.com/chris-moreton/rusty-rival
[INFO] tweaked toml for git repo https://github.com/chris-moreton/rusty-rival written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chris-moreton/rusty-rival 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/chris-moreton/rusty-rival 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 51bfea8d4f23f187d55ef577eb0fafaf42f8fd54b54dd78747b519588c0734c0
[INFO] running `Command { std: "docker" "start" "-a" "51bfea8d4f23f187d55ef577eb0fafaf42f8fd54b54dd78747b519588c0734c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51bfea8d4f23f187d55ef577eb0fafaf42f8fd54b54dd78747b519588c0734c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51bfea8d4f23f187d55ef577eb0fafaf42f8fd54b54dd78747b519588c0734c0", kill_on_drop: false }`
[INFO] [stdout] 51bfea8d4f23f187d55ef577eb0fafaf42f8fd54b54dd78747b519588c0734c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f62cc4029f7e953078df43e9632c815305839827e2fa435dac118f1ce55203b7
[INFO] running `Command { std: "docker" "start" "-a" "f62cc4029f7e953078df43e9632c815305839827e2fa435dac118f1ce55203b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
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[INFO] [stderr]    Compiling lock_api v0.4.9
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[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking block v0.1.6
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[INFO] [stderr]     Checking nibble_vec v0.1.0
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[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking fs v0.0.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.2
[INFO] [stderr]     Checking fd-lock v3.0.10
[INFO] [stderr]     Checking rustyline v12.0.0
[INFO] [stderr]     Checking regex v1.10.1
[INFO] [stderr]     Checking rusty-rival v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:239:11
[INFO] [stdout]     |
[INFO] [stdout] 239 | fn cmd_go(mut uci_state: &mut UciState, search_state: &mut SearchState, parts: Vec<&str>) -> Either<String, Option<String>> {
[INFO] [stdout]     |           ----^^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:293:27
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn calc_from_colour_times(mut uci_state: &mut UciState, millis: u64, inc_millis: u64) {
[INFO] [stdout]     |                           ----^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:324:14
[INFO] [stdout]     |
[INFO] [stdout] 324 | fn cmd_debug(mut uci_state: &mut UciState, parts: Vec<&str>) -> Either<String, Option<String>> {
[INFO] [stdout]     |              ----^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:387:19
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn cmd_ucinewgame(mut uci_state: &mut UciState, mut search_state: &mut SearchState) -> Either<String, Option<String>> {
[INFO] [stdout]     |                   ----^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:387:49
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn cmd_ucinewgame(mut uci_state: &mut UciState, mut search_state: &mut SearchState) -> Either<String, Option<String>> {
[INFO] [stdout]     |                                                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_white`
[INFO] [stdout]    --> src/uci.rs:403:13
[INFO] [stdout]     |
[INFO] [stdout] 403 | fn cmd_scan(is_white: bool) -> Either<String, Option<String>> {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_white`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:239:11
[INFO] [stdout]     |
[INFO] [stdout] 239 | fn cmd_go(mut uci_state: &mut UciState, search_state: &mut SearchState, parts: Vec<&str>) -> Either<String, Option<String>> {
[INFO] [stdout]     |           ----^^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:293:27
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn calc_from_colour_times(mut uci_state: &mut UciState, millis: u64, inc_millis: u64) {
[INFO] [stdout]     |                           ----^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:324:14
[INFO] [stdout]     |
[INFO] [stdout] 324 | fn cmd_debug(mut uci_state: &mut UciState, parts: Vec<&str>) -> Either<String, Option<String>> {
[INFO] [stdout]     |              ----^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:387:19
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn cmd_ucinewgame(mut uci_state: &mut UciState, mut search_state: &mut SearchState) -> Either<String, Option<String>> {
[INFO] [stdout]     |                   ----^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/uci.rs:387:49
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn cmd_ucinewgame(mut uci_state: &mut UciState, mut search_state: &mut SearchState) -> Either<String, Option<String>> {
[INFO] [stdout]     |                                                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_white`
[INFO] [stdout]    --> src/uci.rs:403:13
[INFO] [stdout]     |
[INFO] [stdout] 403 | fn cmd_scan(is_white: bool) -> Either<String, Option<String>> {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_white`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/types.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |         registered_name: "Rusty Rival".parse().unwrap(),
[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<String, Infallible>
[INFO] [stdout]   --> src/uci.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |         _ => Left("Unknown command".parse().unwrap()),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |         return (fen.trim().parse().unwrap(), vec![]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 |     (fen.trim().parse().unwrap(), moves)
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 |             uci_state.fen = fen.parse().unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:159:41
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   return Left("Illegal move found".parse::<String>().unwrap() + " " + &*m);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:170:22
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 Left("Invalid FEN".parse().unwrap())
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:173:19
[INFO] [stdout]     |
[INFO] [stdout] 173 |         _ => Left("Unknown position command".parse().unwrap()),
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |     Right(Some("Done".parse().unwrap()))
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 | /         r#"id name Rusty Rival |20230428.1|
[INFO] [stdout] 310 | | id author Chris Moreton
[INFO] [stdout] 311 | | option name Clear Hash type button
[INFO] [stdout] 312 | | option name MultiPV type spin default 1 min 1 max 20
[INFO] [stdout] 313 | | option name Contempt type spin default 0 min -1000 max 1000
[INFO] [stdout] 314 | | uciok"#
[INFO] [stdout] 315 | |             .parse()
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:321:16
[INFO] [stdout]     |
[INFO] [stdout] 321 |     Right(Some("readyok".parse().unwrap()))
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:326:47
[INFO] [stdout]     |
[INFO] [stdout] 326 |         return Left::<String, Option<String>>("usage: debug [on|off]".parse().unwrap());
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:345:14
[INFO] [stdout]     |
[INFO] [stdout] 345 |         Left("usage: setoption name <name> [value <value>]".parse().unwrap())
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:367:26
[INFO] [stdout]     |
[INFO] [stdout] 367 |                     Left("Invalid option command".parse().unwrap())
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:375:26
[INFO] [stdout]     |
[INFO] [stdout] 375 |                     Left("Invalid option command".parse().unwrap())
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:378:23
[INFO] [stdout]     |
[INFO] [stdout] 378 |             _ => Left("Unknown option".parse().unwrap()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:399:21
[INFO] [stdout]     |
[INFO] [stdout] 399 |     uci_state.fen = START_POS.parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/uci_bench.rs:14:47
[INFO] [stdout]    |
[INFO] [stdout] 14 |         return Left::<String, Option<String>>("usage: bench <millis>".parse().unwrap());
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/types.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |         registered_name: "Rusty Rival".parse().unwrap(),
[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<String, Infallible>
[INFO] [stdout]   --> src/uci.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |         _ => Left("Unknown command".parse().unwrap()),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |         return (fen.trim().parse().unwrap(), vec![]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 |     (fen.trim().parse().unwrap(), moves)
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 |             uci_state.fen = fen.parse().unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:159:41
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   return Left("Illegal move found".parse::<String>().unwrap() + " " + &*m);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:170:22
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 Left("Invalid FEN".parse().unwrap())
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:173:19
[INFO] [stdout]     |
[INFO] [stdout] 173 |         _ => Left("Unknown position command".parse().unwrap()),
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |     Right(Some("Done".parse().unwrap()))
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 | /         r#"id name Rusty Rival |20230428.1|
[INFO] [stdout] 310 | | id author Chris Moreton
[INFO] [stdout] 311 | | option name Clear Hash type button
[INFO] [stdout] 312 | | option name MultiPV type spin default 1 min 1 max 20
[INFO] [stdout] 313 | | option name Contempt type spin default 0 min -1000 max 1000
[INFO] [stdout] 314 | | uciok"#
[INFO] [stdout] 315 | |             .parse()
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:321:16
[INFO] [stdout]     |
[INFO] [stdout] 321 |     Right(Some("readyok".parse().unwrap()))
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:326:47
[INFO] [stdout]     |
[INFO] [stdout] 326 |         return Left::<String, Option<String>>("usage: debug [on|off]".parse().unwrap());
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:345:14
[INFO] [stdout]     |
[INFO] [stdout] 345 |         Left("usage: setoption name <name> [value <value>]".parse().unwrap())
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:367:26
[INFO] [stdout]     |
[INFO] [stdout] 367 |                     Left("Invalid option command".parse().unwrap())
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:375:26
[INFO] [stdout]     |
[INFO] [stdout] 375 |                     Left("Invalid option command".parse().unwrap())
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:378:23
[INFO] [stdout]     |
[INFO] [stdout] 378 |             _ => Left("Unknown option".parse().unwrap()),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/uci.rs:399:21
[INFO] [stdout]     |
[INFO] [stdout] 399 |     uci_state.fen = START_POS.parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/uci_bench.rs:14:47
[INFO] [stdout]    |
[INFO] [stdout] 14 |         return Left::<String, Option<String>>("usage: bench <millis>".parse().unwrap());
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-rival` (lib test) due to 18 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusty-rival` (lib) due to 18 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f62cc4029f7e953078df43e9632c815305839827e2fa435dac118f1ce55203b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62cc4029f7e953078df43e9632c815305839827e2fa435dac118f1ce55203b7", kill_on_drop: false }`
[INFO] [stdout] f62cc4029f7e953078df43e9632c815305839827e2fa435dac118f1ce55203b7
