[INFO] updating cached repository https://github.com/QuarkNerd/Rust_Noughts_-_Crosses
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f53c1bfad82ec029705eb61cbe805456c140a76b
[INFO] testing QuarkNerd/Rust_Noughts_-_Crosses/f53c1bfad82ec029705eb61cbe805456c140a76b against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuarkNerd%2FRust_Noughts_-_Crosses" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/QuarkNerd/Rust_Noughts_-_Crosses on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/QuarkNerd/Rust_Noughts_-_Crosses
[INFO] finished tweaking git repo https://github.com/QuarkNerd/Rust_Noughts_-_Crosses
[INFO] tweaked toml for git repo https://github.com/QuarkNerd/Rust_Noughts_-_Crosses written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/QuarkNerd/Rust_Noughts_-_Crosses already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9e3ba447795c5af25481a93fcd78b86ee47ebef6f6641f9c853d32a6ccd7058
[INFO] running `Command { std: "docker" "start" "-a" "a9e3ba447795c5af25481a93fcd78b86ee47ebef6f6641f9c853d32a6ccd7058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9e3ba447795c5af25481a93fcd78b86ee47ebef6f6641f9c853d32a6ccd7058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e3ba447795c5af25481a93fcd78b86ee47ebef6f6641f9c853d32a6ccd7058", kill_on_drop: false }`
[INFO] [stdout] a9e3ba447795c5af25481a93fcd78b86ee47ebef6f6641f9c853d32a6ccd7058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82a4084cc8803417c0fb754aadba62293ed4f330bef3a7055af96dac257381e6
[INFO] running `Command { std: "docker" "start" "-a" "82a4084cc8803417c0fb754aadba62293ed4f330bef3a7055af96dac257381e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/utilities.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     file.write_all(string.as_bytes()); // as bytes converts it to byte array
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.99s
[INFO] running `Command { std: "docker" "inspect" "82a4084cc8803417c0fb754aadba62293ed4f330bef3a7055af96dac257381e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a4084cc8803417c0fb754aadba62293ed4f330bef3a7055af96dac257381e6", kill_on_drop: false }`
[INFO] [stdout] 82a4084cc8803417c0fb754aadba62293ed4f330bef3a7055af96dac257381e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e730bb0200d7d1ac096b6969732bbd2666a13ad8768a3fa8e1a65ef2334fdb73
[INFO] running `Command { std: "docker" "start" "-a" "e730bb0200d7d1ac096b6969732bbd2666a13ad8768a3fa8e1a65ef2334fdb73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/utilities.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     file.write_all(string.as_bytes()); // as bytes converts it to byte array
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/utilities.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     file.write_all(string.as_bytes()); // as bytes converts it to byte array
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tictactoe-98665fb10a986614)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tictactoe-9974f425700f1e87)
[INFO] running `Command { std: "docker" "inspect" "e730bb0200d7d1ac096b6969732bbd2666a13ad8768a3fa8e1a65ef2334fdb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e730bb0200d7d1ac096b6969732bbd2666a13ad8768a3fa8e1a65ef2334fdb73", kill_on_drop: false }`
[INFO] [stdout] e730bb0200d7d1ac096b6969732bbd2666a13ad8768a3fa8e1a65ef2334fdb73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 369a38139a5f79a0479b0afbaa01789145a02a6b52e4fbaf058149e202ef63ef
[INFO] running `Command { std: "docker" "start" "-a" "369a38139a5f79a0479b0afbaa01789145a02a6b52e4fbaf058149e202ef63ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/utilities.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     file.write_all(string.as_bytes()); // as bytes converts it to byte array
[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: `tictactoe` (lib) generated 1 warning
[INFO] [stderr] warning: `tictactoe` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tictactoe-98665fb10a986614)
[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/tictactoe-9974f425700f1e87)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tictactoe
[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] [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" "369a38139a5f79a0479b0afbaa01789145a02a6b52e4fbaf058149e202ef63ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369a38139a5f79a0479b0afbaa01789145a02a6b52e4fbaf058149e202ef63ef", kill_on_drop: false }`
[INFO] [stdout] 369a38139a5f79a0479b0afbaa01789145a02a6b52e4fbaf058149e202ef63ef