[INFO] cloning repository https://github.com/schuylermartin45/rust_quoridor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schuylermartin45/rust_quoridor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschuylermartin45%2Frust_quoridor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschuylermartin45%2Frust_quoridor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1354be6b1b3242104150d993ca29372b113c17c1
[INFO] checking schuylermartin45/rust_quoridor against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschuylermartin45%2Frust_quoridor" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schuylermartin45/rust_quoridor on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schuylermartin45/rust_quoridor
[INFO] finished tweaking git repo https://github.com/schuylermartin45/rust_quoridor
[INFO] tweaked toml for git repo https://github.com/schuylermartin45/rust_quoridor written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/schuylermartin45/rust_quoridor 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54c8bcd2932a264a195702e51a013e0cf001e85449ecbf778e1ebca936135271
[INFO] running `Command { std: "docker" "start" "-a" "54c8bcd2932a264a195702e51a013e0cf001e85449ecbf778e1ebca936135271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54c8bcd2932a264a195702e51a013e0cf001e85449ecbf778e1ebca936135271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c8bcd2932a264a195702e51a013e0cf001e85449ecbf778e1ebca936135271", kill_on_drop: false }`
[INFO] [stdout] 54c8bcd2932a264a195702e51a013e0cf001e85449ecbf778e1ebca936135271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e805b80d5c8b1679ed581f7b2ee1bcc00f72bada23d05540b96d2f831b60f0b6
[INFO] running `Command { std: "docker" "start" "-a" "e805b80d5c8b1679ed581f7b2ee1bcc00f72bada23d05540b96d2f831b60f0b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling winnow v0.6.24
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling rstest_macros v0.24.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rstest v0.24.0
[INFO] [stderr]     Checking rust_quoridor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/board.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut player_pt = self.player_tbl.get_mut(&color).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/board.rs:174:21
[INFO] [stdout]     |
[INFO] [stdout] 174 |         if let Some(mut old_board_node) = self.spaces.get_mut(&player_pt) {
[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/board.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |         if let Some(mut new_board_node) = self.spaces.get_mut(&new_pt) {
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]    --> src/board.rs:207:34
[INFO] [stdout]     |
[INFO] [stdout] 207 |     pub fn place_wall(&mut self, player: &mut Player, wall: Wall) {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wall`
[INFO] [stdout]    --> src/board.rs:207:55
[INFO] [stdout]     |
[INFO] [stdout] 207 |     pub fn place_wall(&mut self, player: &mut Player, wall: Wall) {
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_wall`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Wall` is more private than the item `Board::can_place_wall`
[INFO] [stdout]    --> src/board.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn can_place_wall(&self, wall: Wall) -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Board::can_place_wall` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Wall` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/board.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout] 28  | struct Wall(Point, Point);
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Wall` is more private than the item `Board::place_wall`
[INFO] [stdout]    --> src/board.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 |     pub fn place_wall(&mut self, player: &mut Player, wall: Wall) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Board::place_wall` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Wall` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/board.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout] 28  | struct Wall(Point, Point);
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/board.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         write!(f, "({}, {})", self.0, self.1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/player.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         write!(
[INFO] [stdout] 24 | |             f,
[INFO] [stdout] 25 | |             "{}",
[INFO] [stdout] 26 | |             match self {
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/board.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut player_pt = self.player_tbl.get_mut(&color).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/board.rs:174:21
[INFO] [stdout]     |
[INFO] [stdout] 174 |         if let Some(mut old_board_node) = self.spaces.get_mut(&player_pt) {
[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/board.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |         if let Some(mut new_board_node) = self.spaces.get_mut(&new_pt) {
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]    --> src/board.rs:207:34
[INFO] [stdout]     |
[INFO] [stdout] 207 |     pub fn place_wall(&mut self, player: &mut Player, wall: Wall) {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wall`
[INFO] [stdout]    --> src/board.rs:207:55
[INFO] [stdout]     |
[INFO] [stdout] 207 |     pub fn place_wall(&mut self, player: &mut Player, wall: Wall) {
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_wall`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Wall` is more private than the item `Board::can_place_wall`
[INFO] [stdout]    --> src/board.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn can_place_wall(&self, wall: Wall) -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Board::can_place_wall` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Wall` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/board.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout] 28  | struct Wall(Point, Point);
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Wall` is more private than the item `Board::place_wall`
[INFO] [stdout]    --> src/board.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 |     pub fn place_wall(&mut self, player: &mut Player, wall: Wall) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Board::place_wall` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Wall` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/board.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout] 28  | struct Wall(Point, Point);
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/board.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         write!(f, "({}, {})", self.0, self.1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/player.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         write!(
[INFO] [stdout] 24 | |             f,
[INFO] [stdout] 25 | |             "{}",
[INFO] [stdout] 26 | |             match self {
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.22s
[INFO] running `Command { std: "docker" "inspect" "e805b80d5c8b1679ed581f7b2ee1bcc00f72bada23d05540b96d2f831b60f0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e805b80d5c8b1679ed581f7b2ee1bcc00f72bada23d05540b96d2f831b60f0b6", kill_on_drop: false }`
[INFO] [stdout] e805b80d5c8b1679ed581f7b2ee1bcc00f72bada23d05540b96d2f831b60f0b6
