[INFO] cloning repository https://github.com/AlexDikelsky/pazzak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexDikelsky/pazzak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Fpazzak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Fpazzak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04a51d6707d8f4c0b6afad598b7075669c774e65
[INFO] testing AlexDikelsky/pazzak against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Fpazzak" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexDikelsky/pazzak on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlexDikelsky/pazzak
[INFO] finished tweaking git repo https://github.com/AlexDikelsky/pazzak
[INFO] tweaked toml for git repo https://github.com/AlexDikelsky/pazzak written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexDikelsky/pazzak already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93407158cb15e62bfb4c0a6ef0d997ea22bbbfa8793f558c8cf6a542e17f2369
[INFO] running `Command { std: "docker" "start" "-a" "93407158cb15e62bfb4c0a6ef0d997ea22bbbfa8793f558c8cf6a542e17f2369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93407158cb15e62bfb4c0a6ef0d997ea22bbbfa8793f558c8cf6a542e17f2369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93407158cb15e62bfb4c0a6ef0d997ea22bbbfa8793f558c8cf6a542e17f2369", kill_on_drop: false }`
[INFO] [stdout] 93407158cb15e62bfb4c0a6ef0d997ea22bbbfa8793f558c8cf6a542e17f2369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0e380cb708f8aeaebd03e93633d0aef1f89c331467d23e4ec9862c5ac2e7a9d
[INFO] running `Command { std: "docker" "start" "-a" "f0e380cb708f8aeaebd03e93633d0aef1f89c331467d23e4ec9862c5ac2e7a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling pazaak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/card.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stdout]    |         ^                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stdout] 36 +         "| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/game.rs:44:45
[INFO] [stdout]    |
[INFO] [stdout] 44 |             super::disp_board::disp(p1, p2);;
[INFO] [stdout]    |                                             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/player.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         &self.hand[card_num].mark_used();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = &self.hand[card_num].mark_used();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/turn.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     &player.add_card(&card);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = &player.add_card(&card);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "f0e380cb708f8aeaebd03e93633d0aef1f89c331467d23e4ec9862c5ac2e7a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e380cb708f8aeaebd03e93633d0aef1f89c331467d23e4ec9862c5ac2e7a9d", kill_on_drop: false }`
[INFO] [stdout] f0e380cb708f8aeaebd03e93633d0aef1f89c331467d23e4ec9862c5ac2e7a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6713b0b7ca7f2e022cd310aed0b6a40f972f19ebabf573b468987e7665bccbf6
[INFO] running `Command { std: "docker" "start" "-a" "6713b0b7ca7f2e022cd310aed0b6a40f972f19ebabf573b468987e7665bccbf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pazaak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/card.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stdout]    |         ^                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stdout] 36 +         "| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/game.rs:44:45
[INFO] [stdout]    |
[INFO] [stdout] 44 |             super::disp_board::disp(p1, p2);;
[INFO] [stdout]    |                                             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/player.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         &self.hand[card_num].mark_used();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = &self.hand[card_num].mark_used();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/turn.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     &player.add_card(&card);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = &player.add_card(&card);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "6713b0b7ca7f2e022cd310aed0b6a40f972f19ebabf573b468987e7665bccbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6713b0b7ca7f2e022cd310aed0b6a40f972f19ebabf573b468987e7665bccbf6", kill_on_drop: false }`
[INFO] [stdout] 6713b0b7ca7f2e022cd310aed0b6a40f972f19ebabf573b468987e7665bccbf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a50c23dc095167f5ab2c694005763657e2ed2e484b9a0dea85dc2f2327fe17d9
[INFO] running `Command { std: "docker" "start" "-a" "a50c23dc095167f5ab2c694005763657e2ed2e484b9a0dea85dc2f2327fe17d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/card.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stderr]    |         ^                                                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 36 -         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stderr] 36 +         "| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string()
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/game.rs:44:45
[INFO] [stderr]    |
[INFO] [stderr] 44 |             super::disp_board::disp(p1, p2);;
[INFO] [stderr]    |                                             ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/player.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         &self.hand[card_num].mark_used();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let _ = &self.hand[card_num].mark_used();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]  --> src/turn.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     &player.add_card(&card);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]   |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let _ = &player.add_card(&card);
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pazaak` (bin "pazaak" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pazaak-1c48cda598e9bc6e)
[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" "a50c23dc095167f5ab2c694005763657e2ed2e484b9a0dea85dc2f2327fe17d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50c23dc095167f5ab2c694005763657e2ed2e484b9a0dea85dc2f2327fe17d9", kill_on_drop: false }`
[INFO] [stdout] a50c23dc095167f5ab2c694005763657e2ed2e484b9a0dea85dc2f2327fe17d9