[INFO] cloning repository https://github.com/NickChubb/ReversiMCTS [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NickChubb/ReversiMCTS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b5b97f02148b27f86abe29ef2208ba68e003234e [INFO] testing NickChubb/ReversiMCTS against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NickChubb/ReversiMCTS on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NickChubb/ReversiMCTS [INFO] finished tweaking git repo https://github.com/NickChubb/ReversiMCTS [INFO] tweaked toml for git repo https://github.com/NickChubb/ReversiMCTS written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/NickChubb/ReversiMCTS already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libmath v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7cedc397fbb97f42342599fd0900b7e415e8db74cc64b2db0bb543052d3ea3d1 [INFO] running `Command { std: "docker" "start" "-a" "7cedc397fbb97f42342599fd0900b7e415e8db74cc64b2db0bb543052d3ea3d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7cedc397fbb97f42342599fd0900b7e415e8db74cc64b2db0bb543052d3ea3d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cedc397fbb97f42342599fd0900b7e415e8db74cc64b2db0bb543052d3ea3d1", kill_on_drop: false }` [INFO] [stdout] 7cedc397fbb97f42342599fd0900b7e415e8db74cc64b2db0bb543052d3ea3d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] deab624625feedf38ce83949074f4d4dddfd2e093666bda1db101398600899fb [INFO] running `Command { std: "docker" "start" "-a" "deab624625feedf38ce83949074f4d4dddfd2e093666bda1db101398600899fb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling libmath v0.2.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling reversi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `prev_player_score` [INFO] [stdout] --> src/main.rs:841:10 [INFO] [stdout] | [INFO] [stdout] 841 | let (prev_player_score, prev_cpu_score): (u8, u8) = b.get_score(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_player_score` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `player_score` [INFO] [stdout] --> src/main.rs:857:14 [INFO] [stdout] | [INFO] [stdout] 857 | let (player_score, cpu_score): (u8, u8) = new_board.get_score(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `difficulty` [INFO] [stdout] --> src/main.rs:886:13 [INFO] [stdout] | [INFO] [stdout] 886 | let difficulty: String = match cpu_diff.trim().to_string().as_str() { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `debug` [INFO] [stdout] --> src/main.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | fn print(&self, debug: bool) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_debug` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `u` is never read [INFO] [stdout] --> src/main.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let mut u: u8 = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `u` is never read [INFO] [stdout] --> src/main.rs:320:17 [INFO] [stdout] | [INFO] [stdout] 320 | let mut u: u8 = 1; // used as the iter for get_new_pos() [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:715:34 [INFO] [stdout] | [INFO] [stdout] 715 | if !debug { print!("."); stdout().flush(); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.12s [INFO] running `Command { std: "docker" "inspect" "deab624625feedf38ce83949074f4d4dddfd2e093666bda1db101398600899fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deab624625feedf38ce83949074f4d4dddfd2e093666bda1db101398600899fb", kill_on_drop: false }` [INFO] [stdout] deab624625feedf38ce83949074f4d4dddfd2e093666bda1db101398600899fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 144ee82610ec7a438b753c7d1adcc2bf2da394917308ed7ceff625b932cca9b0 [INFO] running `Command { std: "docker" "start" "-a" "144ee82610ec7a438b753c7d1adcc2bf2da394917308ed7ceff625b932cca9b0", kill_on_drop: false }` [INFO] [stderr] Compiling reversi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `prev_player_score` [INFO] [stdout] --> src/main.rs:841:10 [INFO] [stdout] | [INFO] [stdout] 841 | let (prev_player_score, prev_cpu_score): (u8, u8) = b.get_score(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_player_score` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `player_score` [INFO] [stdout] --> src/main.rs:857:14 [INFO] [stdout] | [INFO] [stdout] 857 | let (player_score, cpu_score): (u8, u8) = new_board.get_score(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `difficulty` [INFO] [stdout] --> src/main.rs:886:13 [INFO] [stdout] | [INFO] [stdout] 886 | let difficulty: String = match cpu_diff.trim().to_string().as_str() { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `debug` [INFO] [stdout] --> src/main.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | fn print(&self, debug: bool) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_debug` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `u` is never read [INFO] [stdout] --> src/main.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let mut u: u8 = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `u` is never read [INFO] [stdout] --> src/main.rs:320:17 [INFO] [stdout] | [INFO] [stdout] 320 | let mut u: u8 = 1; // used as the iter for get_new_pos() [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:715:34 [INFO] [stdout] | [INFO] [stdout] 715 | if !debug { print!("."); stdout().flush(); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "144ee82610ec7a438b753c7d1adcc2bf2da394917308ed7ceff625b932cca9b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "144ee82610ec7a438b753c7d1adcc2bf2da394917308ed7ceff625b932cca9b0", kill_on_drop: false }` [INFO] [stdout] 144ee82610ec7a438b753c7d1adcc2bf2da394917308ed7ceff625b932cca9b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1cf90684f013cf8ad7762803b533a62afb6ac84a662a0f6776ba4a9e20cdfb4b [INFO] running `Command { std: "docker" "start" "-a" "1cf90684f013cf8ad7762803b533a62afb6ac84a662a0f6776ba4a9e20cdfb4b", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `prev_player_score` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:841:10 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 841 | let (prev_player_score, prev_cpu_score): (u8, u8) = b.get_score(); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_player_score` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `player_score` [INFO] [stderr] --> src/main.rs:857:14 [INFO] [stderr] | [INFO] [stderr] 857 | let (player_score, cpu_score): (u8, u8) = new_board.get_score(); [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_score` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `difficulty` [INFO] [stderr] --> src/main.rs:886:13 [INFO] [stderr] | [INFO] [stderr] 886 | let difficulty: String = match cpu_diff.trim().to_string().as_str() { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `debug` [INFO] [stderr] --> src/main.rs:128:21 [INFO] [stderr] | [INFO] [stderr] 128 | fn print(&self, debug: bool) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_debug` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `u` is never read [INFO] [stderr] --> src/main.rs:181:17 [INFO] [stderr] | [INFO] [stderr] 181 | let mut u: u8 = 1; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `u` is never read [INFO] [stderr] --> src/main.rs:320:17 [INFO] [stderr] | [INFO] [stderr] 320 | let mut u: u8 = 1; // used as the iter for get_new_pos() [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:715:34 [INFO] [stderr] | [INFO] [stderr] 715 | if !debug { print!("."); stdout().flush(); } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/reversi-5d91a0b2891470f0) [INFO] running `Command { std: "docker" "inspect" "1cf90684f013cf8ad7762803b533a62afb6ac84a662a0f6776ba4a9e20cdfb4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cf90684f013cf8ad7762803b533a62afb6ac84a662a0f6776ba4a9e20cdfb4b", kill_on_drop: false }` [INFO] [stdout] 1cf90684f013cf8ad7762803b533a62afb6ac84a662a0f6776ba4a9e20cdfb4b