[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#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananasmoothii%2Fmin_max" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bananasmoothii/min_max on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking bananasmoothii/min_max against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananasmoothii%2Fmin_max" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bananasmoothii/min_max on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded console v0.15.7 [INFO] [stderr] Downloaded thousands v0.2.0 [INFO] [stderr] Downloaded syn v2.0.37 [INFO] [stderr] Downloaded libc v0.2.148 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c6cd099848b720fc6b35bcc1de98ff1bdcd3b4b0766517c2345f5975e33b4c5 [INFO] running `Command { std: "docker" "start" "-a" "4c6cd099848b720fc6b35bcc1de98ff1bdcd3b4b0766517c2345f5975e33b4c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c6cd099848b720fc6b35bcc1de98ff1bdcd3b4b0766517c2345f5975e33b4c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c6cd099848b720fc6b35bcc1de98ff1bdcd3b4b0766517c2345f5975e33b4c5", kill_on_drop: false }` [INFO] [stdout] 4c6cd099848b720fc6b35bcc1de98ff1bdcd3b4b0766517c2345f5975e33b4c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b470df0879aae0d6949b3f15f011ba9143be04add7d20fb48f88a962a86b62c2 [INFO] running `Command { std: "docker" "start" "-a" "b470df0879aae0d6949b3f15f011ba9143be04add7d20fb48f88a962a86b62c2", 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 unicode-ident v1.0.12 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Checking smallvec v1.11.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stderr] Checking thousands v0.2.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [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: 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 { [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 GameNode { [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 { [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> { [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: ::Coordinate, [INFO] [stdout] 100 | ) -> Vec { [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> { [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: 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 { [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 GameNode { [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 { [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> { [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: ::Coordinate, [INFO] [stdout] 100 | ) -> Vec { [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> { [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 6.19s [INFO] running `Command { std: "docker" "inspect" "b470df0879aae0d6949b3f15f011ba9143be04add7d20fb48f88a962a86b62c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b470df0879aae0d6949b3f15f011ba9143be04add7d20fb48f88a962a86b62c2", kill_on_drop: false }` [INFO] [stdout] b470df0879aae0d6949b3f15f011ba9143be04add7d20fb48f88a962a86b62c2