[INFO] cloning repository https://github.com/pi-181/num-methods-lab4-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pi-181/num-methods-lab4-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f2b9111bbecafc201631522b631992dc959be581 [INFO] checking pi-181/num-methods-lab4-rs against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs" "/workspace/builds/worker-33/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pi-181/num-methods-lab4-rs on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pi-181/num-methods-lab4-rs [INFO] finished tweaking git repo https://github.com/pi-181/num-methods-lab4-rs [INFO] tweaked toml for git repo https://github.com/pi-181/num-methods-lab4-rs written to /workspace/builds/worker-33/source/Cargo.toml [INFO] crate git repo https://github.com/pi-181/num-methods-lab4-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking 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a3bdd807fd36fae3518dbb3ad9130c334ff78f130b79bc61c52ec74edb9defe4 [INFO] running `Command { std: "docker" "start" "-a" "a3bdd807fd36fae3518dbb3ad9130c334ff78f130b79bc61c52ec74edb9defe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3bdd807fd36fae3518dbb3ad9130c334ff78f130b79bc61c52ec74edb9defe4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3bdd807fd36fae3518dbb3ad9130c334ff78f130b79bc61c52ec74edb9defe4", kill_on_drop: false }` [INFO] [stdout] a3bdd807fd36fae3518dbb3ad9130c334ff78f130b79bc61c52ec74edb9defe4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" 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v0.22.0 [INFO] [stderr] Checking clipboard_wayland v0.1.0 [INFO] [stderr] Checking window_clipboard v0.1.1 [INFO] [stderr] Checking iced_winit v0.1.0 [INFO] [stderr] Checking wgpu v0.4.0 [INFO] [stderr] Checking wgpu_glyph v0.7.0 [INFO] [stderr] Checking iced_wgpu v0.2.0 [INFO] [stderr] Checking iced v0.1.0 [INFO] [stderr] Checking num-methods-lab4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:250:21 [INFO] [stdout] | [INFO] [stdout] 250 | &self.result_text_value.clear(); [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] 250 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:251:21 [INFO] [stdout] | [INFO] [stdout] 251 | &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 251 | let _ = &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:256:17 [INFO] [stdout] | [INFO] [stdout] 256 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 256 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:257:17 [INFO] [stdout] | [INFO] [stdout] 257 | &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 257 | let _ = &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:262:21 [INFO] [stdout] | [INFO] [stdout] 262 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 262 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:263:21 [INFO] [stdout] | [INFO] [stdout] 263 | &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 263 | let _ = &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 268 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:269:17 [INFO] [stdout] | [INFO] [stdout] 269 | &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 269 | let _ = &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:274:21 [INFO] [stdout] | [INFO] [stdout] 274 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 274 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:275:21 [INFO] [stdout] | [INFO] [stdout] 275 | &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 275 | let _ = &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:280:17 [INFO] [stdout] | [INFO] [stdout] 280 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 280 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:281:17 [INFO] [stdout] | [INFO] [stdout] 281 | &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 281 | let _ = &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:250:21 [INFO] [stdout] | [INFO] [stdout] 250 | &self.result_text_value.clear(); [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] 250 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:251:21 [INFO] [stdout] | [INFO] [stdout] 251 | &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 251 | let _ = &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:256:17 [INFO] [stdout] | [INFO] [stdout] 256 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 256 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:257:17 [INFO] [stdout] | [INFO] [stdout] 257 | &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 257 | let _ = &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:262:21 [INFO] [stdout] | [INFO] [stdout] 262 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 262 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:263:21 [INFO] [stdout] | [INFO] [stdout] 263 | &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 263 | let _ = &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 268 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:269:17 [INFO] [stdout] | [INFO] [stdout] 269 | &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 269 | let _ = &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:274:21 [INFO] [stdout] | [INFO] [stdout] 274 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 274 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:275:21 [INFO] [stdout] | [INFO] [stdout] 275 | &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 275 | let _ = &self.result_text_value.push_str("An error occurred."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:280:17 [INFO] [stdout] | [INFO] [stdout] 280 | &self.result_text_value.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 280 | let _ = &self.result_text_value.clear(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:281:17 [INFO] [stdout] | [INFO] [stdout] 281 | &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 281 | let _ = &self.result_text_value.push_str(result.as_str()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.58s [INFO] running `Command { std: "docker" "inspect" "4fb2660675f95056bd4400646a0d21750dd083f0372d8796c5fb03c4b834ee7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fb2660675f95056bd4400646a0d21750dd083f0372d8796c5fb03c4b834ee7b", kill_on_drop: false }` [INFO] [stdout] 4fb2660675f95056bd4400646a0d21750dd083f0372d8796c5fb03c4b834ee7b