[INFO] cloning repository https://github.com/maltedostal/tttai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maltedostal/tttai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaltedostal%2Ftttai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaltedostal%2Ftttai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c4279021afac2201b3b42477d705d12fe3ae89d
[INFO] testing maltedostal/tttai against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaltedostal%2Ftttai" "/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/maltedostal/tttai on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maltedostal/tttai
[INFO] finished tweaking git repo https://github.com/maltedostal/tttai
[INFO] tweaked toml for git repo https://github.com/maltedostal/tttai written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maltedostal/tttai 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee62bc494249cb1137bcb1601ea7c5ee78115fceeabf3d4f1ad6fa4c7e7b74d9
[INFO] running `Command { std: "docker" "start" "-a" "ee62bc494249cb1137bcb1601ea7c5ee78115fceeabf3d4f1ad6fa4c7e7b74d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee62bc494249cb1137bcb1601ea7c5ee78115fceeabf3d4f1ad6fa4c7e7b74d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee62bc494249cb1137bcb1601ea7c5ee78115fceeabf3d4f1ad6fa4c7e7b74d9", kill_on_drop: false }`
[INFO] [stdout] ee62bc494249cb1137bcb1601ea7c5ee78115fceeabf3d4f1ad6fa4c7e7b74d9
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b02a4ea3a46e8b90a9582387bc4003a9cb06cf375647cf89d0ad79f79349656b
[INFO] running `Command { std: "docker" "start" "-a" "b02a4ea3a46e8b90a9582387bc4003a9cb06cf375647cf89d0ad79f79349656b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tttai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `turn` is never read
[INFO] [stdout]   --> src/game.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     pub fields: [FieldOcc; 9],
[INFO] [stdout] 16 |     turn: FieldOcc,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     loop {
[INFO] [stdout] 11 | |         loop {
[INFO] [stdout] 12 | |             let hash = SystemTime::now()
[INFO] [stdout] 13 | |                 .duration_since(UNIX_EPOCH)
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |         std::io::stdin().read_line(&mut String::with_capacity(0));
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 33 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `board` is never read
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut board = Board::init();
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `turn` is never read
[INFO] [stdout]   --> src/game.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     pub fields: [FieldOcc; 9],
[INFO] [stdout] 16 |     turn: FieldOcc,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         std::io::stdin().read_line(&mut String::with_capacity(0));
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = std::io::stdin().read_line(&mut String::with_capacity(0));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "b02a4ea3a46e8b90a9582387bc4003a9cb06cf375647cf89d0ad79f79349656b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02a4ea3a46e8b90a9582387bc4003a9cb06cf375647cf89d0ad79f79349656b", kill_on_drop: false }`
[INFO] [stdout] b02a4ea3a46e8b90a9582387bc4003a9cb06cf375647cf89d0ad79f79349656b
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65a65446d1141e9631875e117c70c00ae26ba40dada5eb940278a1d45b86805f
[INFO] running `Command { std: "docker" "start" "-a" "65a65446d1141e9631875e117c70c00ae26ba40dada5eb940278a1d45b86805f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tttai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `turn` is never read
[INFO] [stdout]   --> src/game.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     pub fields: [FieldOcc; 9],
[INFO] [stdout] 16 |     turn: FieldOcc,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     loop {
[INFO] [stdout] 11 | |         loop {
[INFO] [stdout] 12 | |             let hash = SystemTime::now()
[INFO] [stdout] 13 | |                 .duration_since(UNIX_EPOCH)
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |         std::io::stdin().read_line(&mut String::with_capacity(0));
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 33 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `turn` is never read
[INFO] [stdout]   --> src/game.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     pub fields: [FieldOcc; 9],
[INFO] [stdout] 16 |     turn: FieldOcc,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `board` is never read
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut board = Board::init();
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `turn` is never read
[INFO] [stdout]   --> src/game.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     pub fields: [FieldOcc; 9],
[INFO] [stdout] 16 |     turn: FieldOcc,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         std::io::stdin().read_line(&mut String::with_capacity(0));
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = std::io::stdin().read_line(&mut String::with_capacity(0));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "65a65446d1141e9631875e117c70c00ae26ba40dada5eb940278a1d45b86805f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a65446d1141e9631875e117c70c00ae26ba40dada5eb940278a1d45b86805f", kill_on_drop: false }`
[INFO] [stdout] 65a65446d1141e9631875e117c70c00ae26ba40dada5eb940278a1d45b86805f
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3fc4e67205d560a089f77b0dfdfc62aba3d48f79e89f5fe772ea073edbc5321
[INFO] running `Command { std: "docker" "start" "-a" "f3fc4e67205d560a089f77b0dfdfc62aba3d48f79e89f5fe772ea073edbc5321", kill_on_drop: false }`
[INFO] [stderr] warning: field `turn` is never read
[INFO] [stderr]   --> src/game.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Board {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 15 |     pub fields: [FieldOcc; 9],
[INFO] [stderr] 16 |     turn: FieldOcc,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tttai` (lib) generated 1 warning
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     loop {
[INFO] [stderr] 11 | |         loop {
[INFO] [stderr] 12 | |             let hash = SystemTime::now()
[INFO] [stderr] 13 | |                 .duration_since(UNIX_EPOCH)
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |         std::io::stdin().read_line(&mut String::with_capacity(0));
[INFO] [stderr] 32 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 33 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `board` is never read
[INFO] [stderr]  --> src/main.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut board = Board::init();
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         std::io::stdin().read_line(&mut String::with_capacity(0));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let _ = std::io::stdin().read_line(&mut String::with_capacity(0));
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tttai` (bin "tttai" test) generated 4 warnings (1 duplicate)
[INFO] [stderr] warning: `tttai` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tttai-39e760214ed47067)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tttai-c1360758a6ed6911)
[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 tttai
[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" "f3fc4e67205d560a089f77b0dfdfc62aba3d48f79e89f5fe772ea073edbc5321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fc4e67205d560a089f77b0dfdfc62aba3d48f79e89f5fe772ea073edbc5321", kill_on_drop: false }`
[INFO] [stdout] f3fc4e67205d560a089f77b0dfdfc62aba3d48f79e89f5fe772ea073edbc5321