[INFO] cloning repository https://github.com/bananasmoothii/min_max
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bananasmoothii/min_max" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananasmoothii%2Fmin_max", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananasmoothii%2Fmin_max'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78055da14cea0dcb00bdd5faf9634d75a7b82a50
[INFO] checking bananasmoothii/min_max against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananasmoothii%2Fmin_max" "/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/bananasmoothii/min_max
[INFO] finished tweaking git repo https://github.com/bananasmoothii/min_max
[INFO] tweaked toml for git repo https://github.com/bananasmoothii/min_max written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bananasmoothii/min_max on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bananasmoothii/min_max 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf8b7e3e8624d7827be07daebcb2a5ee5187876e1be1c17f9bf8085688346881
[INFO] running `Command { std: "docker" "start" "-a" "cf8b7e3e8624d7827be07daebcb2a5ee5187876e1be1c17f9bf8085688346881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf8b7e3e8624d7827be07daebcb2a5ee5187876e1be1c17f9bf8085688346881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8b7e3e8624d7827be07daebcb2a5ee5187876e1be1c17f9bf8085688346881", kill_on_drop: false }`
[INFO] [stdout] cf8b7e3e8624d7827be07daebcb2a5ee5187876e1be1c17f9bf8085688346881
[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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 567760a5ee9e637430212e399fa3aeb6bcb0c24b8b4d4ef61293e332603afe90
[INFO] running `Command { std: "docker" "start" "-a" "567760a5ee9e637430212e399fa3aeb6bcb0c24b8b4d4ef61293e332603afe90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]     Checking min_max v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/bot.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             /// game_tree should never be None
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |             game_tree: Some(GameNode::new_root(G::new(), player, 0)),
[INFO] [stdout]    |             -------------------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/bot.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             /// game_tree should never be None
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |             game_tree: Some(GameNode::new_root(G::new(), player, 0)),
[INFO] [stdout]    |             -------------------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/game/connect4/tests.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let p2 = NonZeroU8::new(2).unwrap();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[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/min_max/node.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for (coord, mut child) in self.children.into_iter() {
[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: method `all_lines_longer_4` is never used
[INFO] [stdout]   --> src/game/connect4.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl ConnectFour {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn all_lines_longer_4(&self) -> Vec<BoardIterator> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `debug` and `count_depth` are never used
[INFO] [stdout]    --> src/min_max/node.rs:76:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl<G: Game> GameNode<G> {
[INFO] [stdout]     | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  76 |     pub fn debug(&self, max_depth: u32) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn count_depth(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/game/connect4.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn all_lines_longer_4(&self) -> Vec<BoardIterator> {
[INFO] [stdout]    |                           ^^^^^         ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn all_lines_longer_4(&self) -> Vec<BoardIterator<'_>> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/connect4.rs:98:9
[INFO] [stdout]     |
[INFO] [stdout]  98 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout]  99 |         coords: <ConnectFour as Game>::Coordinate,
[INFO] [stdout] 100 |     ) -> Vec<BoardIterator> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     ) -> Vec<BoardIterator<'_>> {
[INFO] [stdout]     |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/game/connect4/iteration.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         game: &ConnectFour,
[INFO] [stdout]    |               ^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 27 |     ) -> BoardIterator {
[INFO] [stdout]    |          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     ) -> BoardIterator<'_> {
[INFO] [stdout]    |                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/min_max/node.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for (coord, mut child) in self.children.into_iter() {
[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: method `all_lines_longer_4` is never used
[INFO] [stdout]   --> src/game/connect4.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl ConnectFour {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn all_lines_longer_4(&self) -> Vec<BoardIterator> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `debug` and `count_depth` are never used
[INFO] [stdout]    --> src/min_max/node.rs:76:12
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl<G: Game> GameNode<G> {
[INFO] [stdout]     | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  76 |     pub fn debug(&self, max_depth: u32) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn count_depth(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/game/connect4.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn all_lines_longer_4(&self) -> Vec<BoardIterator> {
[INFO] [stdout]    |                           ^^^^^         ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn all_lines_longer_4(&self) -> Vec<BoardIterator<'_>> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/connect4.rs:98:9
[INFO] [stdout]     |
[INFO] [stdout]  98 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout]  99 |         coords: <ConnectFour as Game>::Coordinate,
[INFO] [stdout] 100 |     ) -> Vec<BoardIterator> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     ) -> Vec<BoardIterator<'_>> {
[INFO] [stdout]     |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/game/connect4/iteration.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         game: &ConnectFour,
[INFO] [stdout]    |               ^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 27 |     ) -> BoardIterator {
[INFO] [stdout]    |          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     ) -> BoardIterator<'_> {
[INFO] [stdout]    |                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `Command { std: "docker" "inspect" "567760a5ee9e637430212e399fa3aeb6bcb0c24b8b4d4ef61293e332603afe90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567760a5ee9e637430212e399fa3aeb6bcb0c24b8b4d4ef61293e332603afe90", kill_on_drop: false }`
[INFO] [stdout] 567760a5ee9e637430212e399fa3aeb6bcb0c24b8b4d4ef61293e332603afe90
