[INFO] cloning repository https://github.com/DocWatson/tcg-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DocWatson/tcg-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDocWatson%2Ftcg-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDocWatson%2Ftcg-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 997bf18dac8cd4d71d1be4e8ba4ef3c4dd77bab6
[INFO] checking DocWatson/tcg-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDocWatson%2Ftcg-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DocWatson/tcg-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DocWatson/tcg-rust
[INFO] finished tweaking git repo https://github.com/DocWatson/tcg-rust
[INFO] tweaked toml for git repo https://github.com/DocWatson/tcg-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DocWatson/tcg-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9de28a816559eea896c54f20c0791c8ca5f27644d719bd0f7c609ee3fa32df93
[INFO] running `Command { std: "docker" "start" "-a" "9de28a816559eea896c54f20c0791c8ca5f27644d719bd0f7c609ee3fa32df93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9de28a816559eea896c54f20c0791c8ca5f27644d719bd0f7c609ee3fa32df93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de28a816559eea896c54f20c0791c8ca5f27644d719bd0f7c609ee3fa32df93", kill_on_drop: false }`
[INFO] [stdout] 9de28a816559eea896c54f20c0791c8ca5f27644d719bd0f7c609ee3fa32df93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac84c4699593a7ee8a9a294f1aac0c7035dc09caf07c186f6d2311f2616f2af0
[INFO] running `Command { std: "docker" "start" "-a" "ac84c4699593a7ee8a9a294f1aac0c7035dc09caf07c186f6d2311f2616f2af0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking tcg-kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/game/menu.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let len_withoutcrlf = s.trim_right().len();
[INFO] [stdout]    |                             ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             &self.player1.update_turn_mana();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game/mod.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             &self.player2.update_turn_mana();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game/mod.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &self.player1.draw();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game/mod.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &self.player2.draw();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/game/menu.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let len_withoutcrlf = s.trim_right().len();
[INFO] [stdout]    |                             ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             &self.player1.update_turn_mana();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game/mod.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             &self.player2.update_turn_mana();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game/mod.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &self.player1.draw();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/game/mod.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &self.player2.draw();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "ac84c4699593a7ee8a9a294f1aac0c7035dc09caf07c186f6d2311f2616f2af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac84c4699593a7ee8a9a294f1aac0c7035dc09caf07c186f6d2311f2616f2af0", kill_on_drop: false }`
[INFO] [stdout] ac84c4699593a7ee8a9a294f1aac0c7035dc09caf07c186f6d2311f2616f2af0