[INFO] cloning repository https://github.com/alcesleo/yahtzee [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alcesleo/yahtzee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falcesleo%2Fyahtzee"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falcesleo%2Fyahtzee'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3f0d053ddac6857e7227526c3df918bc58e7a101 [INFO] checking alcesleo/yahtzee against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falcesleo%2Fyahtzee" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alcesleo/yahtzee on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/alcesleo/yahtzee [INFO] finished tweaking git repo https://github.com/alcesleo/yahtzee [INFO] tweaked toml for git repo https://github.com/alcesleo/yahtzee written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/alcesleo/yahtzee already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0d9b14eb6766a6febf46bb03c07e268400ac5fabf16dd6ac45c0f4f077365c2e [INFO] running `"docker" "start" "-a" "0d9b14eb6766a6febf46bb03c07e268400ac5fabf16dd6ac45c0f4f077365c2e"` [INFO] [stderr] Checking yahtzee v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:96:38 [INFO] [stderr] | [INFO] [stderr] 96 | fn take_turn(&mut self, player: &Player, score_card: &ScoreCard) { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `round` [INFO] [stderr] --> src/main.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | for round in 0..ROUNDS { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_round` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `roll` [INFO] [stderr] --> src/main.rs:125:28 [INFO] [stderr] | [INFO] [stderr] 125 | fn discard_once(&self, roll: &Roll, score_card: &ScoreCard) -> DiscardedDice { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_roll` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `score_card` [INFO] [stderr] --> src/main.rs:125:41 [INFO] [stderr] | [INFO] [stderr] 125 | fn discard_once(&self, roll: &Roll, score_card: &ScoreCard) -> DiscardedDice { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_score_card` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:96:38 [INFO] [stderr] | [INFO] [stderr] 96 | fn take_turn(&mut self, player: &Player, score_card: &ScoreCard) { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: unused variable: `roll` [INFO] [stderr] --> src/main.rs:132:29 [INFO] [stderr] | [INFO] [stderr] 132 | fn discard_twice(&self, roll: &Roll, score_card: &ScoreCard) -> DiscardedDice { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_roll` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `score_card` [INFO] [stderr] --> src/main.rs:132:42 [INFO] [stderr] | [INFO] [stderr] 132 | fn discard_twice(&self, roll: &Roll, score_card: &ScoreCard) -> DiscardedDice { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_score_card` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `roll` [INFO] [stderr] --> src/main.rs:136:31 [INFO] [stderr] | [INFO] [stderr] 136 | fn choose_category(&self, roll: &Roll, score_card: &ScoreCard) -> Category { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_roll` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `score_card` [INFO] [stderr] --> src/main.rs:136:44 [INFO] [stderr] | [INFO] [stderr] 136 | fn choose_category(&self, roll: &Roll, score_card: &ScoreCard) -> Category { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_score_card` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `score_card` [INFO] [stderr] --> src/main.rs:263:22 [INFO] [stderr] | [INFO] [stderr] 263 | for (player, score_card) in &self.players { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_score_card` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `player` [INFO] [stderr] --> src/main.rs:271:18 [INFO] [stderr] | [INFO] [stderr] 271 | for (player, score_card) in &self.players { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_player` [INFO] [stderr] [INFO] [stderr] error[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stderr] --> src/main.rs:91:17 [INFO] [stderr] | [INFO] [stderr] 88 | for (player, score_card) in self.players.iter_mut() { [INFO] [stderr] | ----------------------- [INFO] [stderr] | | [INFO] [stderr] | first mutable borrow occurs here [INFO] [stderr] | first borrow later used here [INFO] [stderr] ... [INFO] [stderr] 91 | self.take_turn(player, &mut score_card); [INFO] [stderr] | ^^^^ second mutable borrow occurs here [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `score_card` as mutable, as it is not declared as mutable [INFO] [stderr] --> src/main.rs:91:40 [INFO] [stderr] | [INFO] [stderr] 91 | self.take_turn(player, &mut score_card); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | cannot borrow as mutable [INFO] [stderr] | try removing `&mut` here [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `*score_card` as mutable, as it is behind a `&` reference [INFO] [stderr] --> src/main.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 96 | fn take_turn(&mut self, player: &Player, score_card: &ScoreCard) { [INFO] [stderr] | ---------- help: consider changing this to be a mutable reference: `&mut ScoreCard` [INFO] [stderr] ... [INFO] [stderr] 110 | score_card.fill(category, &roll); [INFO] [stderr] | ^^^^^^^^^^ `score_card` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0499, E0596. [INFO] [stderr] For more information about an error, try `rustc --explain E0499`. [INFO] [stderr] error: could not compile `yahtzee`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused variable: `round` [INFO] [stderr] --> src/main.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | for round in 0..ROUNDS { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_round` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `roll` [INFO] [stderr] --> src/main.rs:125:28 [INFO] [stderr] | [INFO] [stderr] 125 | fn discard_once(&self, roll: &Roll, score_card: &ScoreCard) -> DiscardedDice { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_roll` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `score_card` [INFO] [stderr] --> src/main.rs:125:41 [INFO] [stderr] | [INFO] [stderr] 125 | fn discard_once(&self, roll: &Roll, score_card: &ScoreCard) -> DiscardedDice { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_score_card` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `roll` [INFO] [stderr] --> src/main.rs:132:29 [INFO] [stderr] | [INFO] [stderr] 132 | fn discard_twice(&self, roll: &Roll, score_card: &ScoreCard) -> DiscardedDice { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_roll` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `score_card` [INFO] [stderr] --> src/main.rs:132:42 [INFO] [stderr] | [INFO] [stderr] 132 | fn discard_twice(&self, roll: &Roll, score_card: &ScoreCard) -> DiscardedDice { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_score_card` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `roll` [INFO] [stderr] --> src/main.rs:136:31 [INFO] [stderr] | [INFO] [stderr] 136 | fn choose_category(&self, roll: &Roll, score_card: &ScoreCard) -> Category { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_roll` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `score_card` [INFO] [stderr] --> src/main.rs:136:44 [INFO] [stderr] | [INFO] [stderr] 136 | fn choose_category(&self, roll: &Roll, score_card: &ScoreCard) -> Category { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_score_card` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `score_card` [INFO] [stderr] --> src/main.rs:263:22 [INFO] [stderr] | [INFO] [stderr] 263 | for (player, score_card) in &self.players { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_score_card` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `player` [INFO] [stderr] --> src/main.rs:271:18 [INFO] [stderr] | [INFO] [stderr] 271 | for (player, score_card) in &self.players { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_player` [INFO] [stderr] [INFO] [stderr] error[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stderr] --> src/main.rs:91:17 [INFO] [stderr] | [INFO] [stderr] 88 | for (player, score_card) in self.players.iter_mut() { [INFO] [stderr] | ----------------------- [INFO] [stderr] | | [INFO] [stderr] | first mutable borrow occurs here [INFO] [stderr] | first borrow later used here [INFO] [stderr] ... [INFO] [stderr] 91 | self.take_turn(player, &mut score_card); [INFO] [stderr] | ^^^^ second mutable borrow occurs here [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `score_card` as mutable, as it is not declared as mutable [INFO] [stderr] --> src/main.rs:91:40 [INFO] [stderr] | [INFO] [stderr] 91 | self.take_turn(player, &mut score_card); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | cannot borrow as mutable [INFO] [stderr] | try removing `&mut` here [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `*score_card` as mutable, as it is behind a `&` reference [INFO] [stderr] --> src/main.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 96 | fn take_turn(&mut self, player: &Player, score_card: &ScoreCard) { [INFO] [stderr] | ---------- help: consider changing this to be a mutable reference: `&mut ScoreCard` [INFO] [stderr] ... [INFO] [stderr] 110 | score_card.fill(category, &roll); [INFO] [stderr] | ^^^^^^^^^^ `score_card` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0499, E0596. [INFO] [stderr] For more information about an error, try `rustc --explain E0499`. [INFO] [stderr] error: could not compile `yahtzee`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "0d9b14eb6766a6febf46bb03c07e268400ac5fabf16dd6ac45c0f4f077365c2e"` [INFO] running `"docker" "rm" "-f" "0d9b14eb6766a6febf46bb03c07e268400ac5fabf16dd6ac45c0f4f077365c2e"` [INFO] [stdout] 0d9b14eb6766a6febf46bb03c07e268400ac5fabf16dd6ac45c0f4f077365c2e