[INFO] cloning repository https://github.com/CarlosMendonca/ReversiRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CarlosMendonca/ReversiRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlosMendonca%2FReversiRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlosMendonca%2FReversiRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7ec300fd9d530a50c9d9d79c8a3a524231b6aa4
[INFO] building CarlosMendonca/ReversiRust against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlosMendonca%2FReversiRust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CarlosMendonca/ReversiRust on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CarlosMendonca/ReversiRust
[INFO] finished tweaking git repo https://github.com/CarlosMendonca/ReversiRust
[INFO] tweaked toml for git repo https://github.com/CarlosMendonca/ReversiRust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CarlosMendonca/ReversiRust 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array2d v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0f0ba7d09c2c3dd7a30d4c0895f2842c1cb66df6f51ce9f6a4f0d5bc91c70e0
[INFO] running `Command { std: "docker" "start" "-a" "f0f0ba7d09c2c3dd7a30d4c0895f2842c1cb66df6f51ce9f6a4f0d5bc91c70e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f0ba7d09c2c3dd7a30d4c0895f2842c1cb66df6f51ce9f6a4f0d5bc91c70e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f0ba7d09c2c3dd7a30d4c0895f2842c1cb66df6f51ce9f6a4f0d5bc91c70e0", kill_on_drop: false }`
[INFO] [stdout] f0f0ba7d09c2c3dd7a30d4c0895f2842c1cb66df6f51ce9f6a4f0d5bc91c70e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b267202fa147d902a14995b0e2f7b3ea15939cd76c18e5b9b531409d3e5f3e4e
[INFO] running `Command { std: "docker" "start" "-a" "b267202fa147d902a14995b0e2f7b3ea15939cd76c18e5b9b531409d3e5f3e4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling array2d v0.2.1
[INFO] [stderr]    Compiling reversi-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     game.try_play((3, 2));
[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] 10 |     let _ = game.try_play((3, 2));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     game.try_play((4, 2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = game.try_play((4, 2));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "b267202fa147d902a14995b0e2f7b3ea15939cd76c18e5b9b531409d3e5f3e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b267202fa147d902a14995b0e2f7b3ea15939cd76c18e5b9b531409d3e5f3e4e", kill_on_drop: false }`
[INFO] [stdout] b267202fa147d902a14995b0e2f7b3ea15939cd76c18e5b9b531409d3e5f3e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ffd60c732cd57606b5c6fe910d9fb17cd5d06957b80cbc093019c342379f96f
[INFO] running `Command { std: "docker" "start" "-a" "8ffd60c732cd57606b5c6fe910d9fb17cd5d06957b80cbc093019c342379f96f", kill_on_drop: false }`
[INFO] [stderr]    Compiling reversi-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     game.try_play((3, 2));
[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] 10 |     let _ = game.try_play((3, 2));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     game.try_play((4, 2));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = game.try_play((4, 2));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "8ffd60c732cd57606b5c6fe910d9fb17cd5d06957b80cbc093019c342379f96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffd60c732cd57606b5c6fe910d9fb17cd5d06957b80cbc093019c342379f96f", kill_on_drop: false }`
[INFO] [stdout] 8ffd60c732cd57606b5c6fe910d9fb17cd5d06957b80cbc093019c342379f96f
