[INFO] cloning repository https://github.com/johanyim/chess-tui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johanyim/chess-tui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohanyim%2Fchess-tui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohanyim%2Fchess-tui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98ddf1dd7cffee9fef45fcd652293b1ae0a88de2
[INFO] testing johanyim/chess-tui against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohanyim%2Fchess-tui" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johanyim/chess-tui on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johanyim/chess-tui
[INFO] finished tweaking git repo https://github.com/johanyim/chess-tui
[INFO] tweaked toml for git repo https://github.com/johanyim/chess-tui written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/johanyim/chess-tui 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fb167a7624a5580fe7612c25b4ce15cb42d7d0d2de5c3f57508f78b9cdd032d
[INFO] running `Command { std: "docker" "start" "-a" "6fb167a7624a5580fe7612c25b4ce15cb42d7d0d2de5c3f57508f78b9cdd032d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fb167a7624a5580fe7612c25b4ce15cb42d7d0d2de5c3f57508f78b9cdd032d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb167a7624a5580fe7612c25b4ce15cb42d7d0d2de5c3f57508f78b9cdd032d", kill_on_drop: false }`
[INFO] [stdout] 6fb167a7624a5580fe7612c25b4ce15cb42d7d0d2de5c3f57508f78b9cdd032d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 650a0264592ad6b9d02a5ca591f2ae1f0b1883fd8b24bf88e41022a3839b34fb
[INFO] running `Command { std: "docker" "start" "-a" "650a0264592ad6b9d02a5ca591f2ae1f0b1883fd8b24bf88e41022a3839b34fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess-tui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/board.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     Some(p) => b.push('t'),//push(&p.fen()), 
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]   --> src/board.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn rank_from_str(rank: &str) -> [Option<Piece>; 8] {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "650a0264592ad6b9d02a5ca591f2ae1f0b1883fd8b24bf88e41022a3839b34fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650a0264592ad6b9d02a5ca591f2ae1f0b1883fd8b24bf88e41022a3839b34fb", kill_on_drop: false }`
[INFO] [stdout] 650a0264592ad6b9d02a5ca591f2ae1f0b1883fd8b24bf88e41022a3839b34fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0b33e64dc423fece368149994b56e859d5b6458c775e23117eb27f94ab8850c
[INFO] running `Command { std: "docker" "start" "-a" "a0b33e64dc423fece368149994b56e859d5b6458c775e23117eb27f94ab8850c", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/board.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     Some(p) => b.push('t'),//push(&p.fen()), 
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]   --> src/board.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn rank_from_str(rank: &str) -> [Option<Piece>; 8] {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chess-tui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/board.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     Some(p) => b.push('t'),//push(&p.fen()), 
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]   --> src/board.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn rank_from_str(rank: &str) -> [Option<Piece>; 8] {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lib.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let b = Board::new();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let b = Board::build_from_fen(String::from("rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq e3 0 1"));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let b = Board::build_from_fen(String::from("rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR w"));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a0b33e64dc423fece368149994b56e859d5b6458c775e23117eb27f94ab8850c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b33e64dc423fece368149994b56e859d5b6458c775e23117eb27f94ab8850c", kill_on_drop: false }`
[INFO] [stdout] a0b33e64dc423fece368149994b56e859d5b6458c775e23117eb27f94ab8850c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 522de899812714f4f6b5f690033727aeea60f5979aa0bc2100765272e10d7cbf
[INFO] running `Command { std: "docker" "start" "-a" "522de899812714f4f6b5f690033727aeea60f5979aa0bc2100765272e10d7cbf", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/board.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |                     Some(p) => b.push('t'),//push(&p.fen()), 
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rank`
[INFO] [stderr]   --> src/board.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub fn rank_from_str(rank: &str) -> [Option<Piece>; 8] {
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stderr] 
[INFO] [stderr] warning: `chess-tui` (lib) generated 2 warnings
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/lib.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let b = Board::new();
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/lib.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let b = Board::build_from_fen(String::from("rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq e3 0 1"));
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/lib.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let b = Board::build_from_fen(String::from("rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR w"));
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: `chess-tui` (lib test) generated 5 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chess_tui-598a34844f4a53c6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::build_board_from_fen ... ok
[INFO] [stdout] test tests::invalid_fen ... ok
[INFO] [stdout] test tests::build_default_board ... ok
[INFO] [stdout] test tests::single_piece_fen ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chess_tui-ef5e4baf374b4f86)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chess_tui
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "522de899812714f4f6b5f690033727aeea60f5979aa0bc2100765272e10d7cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522de899812714f4f6b5f690033727aeea60f5979aa0bc2100765272e10d7cbf", kill_on_drop: false }`
[INFO] [stdout] 522de899812714f4f6b5f690033727aeea60f5979aa0bc2100765272e10d7cbf