[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] testing pi-181/num-methods-lab4-rs against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs" "/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/pi-181/num-methods-lab4-rs on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-4/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94fd400898fe15dc8e01879326db0640a90c524123e3841e8264599a3d5f191a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "94fd400898fe15dc8e01879326db0640a90c524123e3841e8264599a3d5f191a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94fd400898fe15dc8e01879326db0640a90c524123e3841e8264599a3d5f191a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94fd400898fe15dc8e01879326db0640a90c524123e3841e8264599a3d5f191a", kill_on_drop: false }` [INFO] [stdout] 94fd400898fe15dc8e01879326db0640a90c524123e3841e8264599a3d5f191a [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6d6e235102b2c94fef9155a3f86b053770f1b5a73f5021a19db5531e9abc08a5 [INFO] running `Command { std: "docker" "start" "-a" "6d6e235102b2c94fef9155a3f86b053770f1b5a73f5021a19db5531e9abc08a5", kill_on_drop: false }` [INFO] [stderr] Compiling xml-rs v0.8.2 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling iced_core v0.2.0 [INFO] [stderr] Compiling xi-unicode v0.2.0 [INFO] [stderr] Compiling instant v0.1.2 [INFO] [stderr] Compiling svg_fmt v0.2.1 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] Compiling glam v0.8.6 [INFO] [stderr] Compiling meval v0.2.0 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling relevant v0.4.2 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling xcb v0.9.0 [INFO] [stderr] Compiling parking_lot_core v0.7.1 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling iced_style v0.1.0 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling ash v0.29.0 [INFO] [stderr] Compiling gfx-hal v0.4.1 [INFO] [stderr] Compiling euclid v0.20.10 [INFO] [stderr] Compiling euclid_macros v0.1.0 [INFO] [stderr] Compiling wayland-sys v0.23.6 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling zerocopy-derive v0.1.4 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling rusttype v0.8.3 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling wayland-scanner v0.23.6 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling lyon_geom v0.14.1 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling glyph_brush_layout v0.1.9 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] Compiling freetype v0.4.1 [INFO] [stderr] Compiling euclid v0.19.9 [INFO] [stderr] Compiling lyon_path v0.14.0 [INFO] [stderr] Compiling glyph_brush v0.6.3 [INFO] [stderr] Compiling servo-fontconfig v0.4.0 [INFO] [stderr] Compiling zerocopy v0.2.8 [INFO] [stderr] Compiling calloop v0.4.4 [INFO] [stderr] Compiling wayland-commons v0.23.6 [INFO] [stderr] Compiling rendy-descriptor v0.5.1 [INFO] [stderr] Compiling gfx-backend-empty v0.4.0 [INFO] [stderr] Compiling rendy-memory v0.5.2 [INFO] [stderr] Compiling font-kit v0.4.0 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling wayland-client v0.23.6 [INFO] [stderr] Compiling wayland-protocols v0.23.6 [INFO] [stderr] Compiling guillotiere v0.4.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling iced_futures v0.1.0 [INFO] [stderr] Compiling gfx-backend-vulkan v0.4.3 [INFO] [stderr] Compiling iced_native v0.2.0 [INFO] [stderr] Compiling clipboard_x11 v0.1.0 [INFO] [stderr] Compiling wgpu-native v0.4.3 [INFO] [stderr] Compiling wgpu v0.4.0 [INFO] [stderr] Compiling wgpu_glyph v0.7.0 [INFO] [stderr] Compiling iced_wgpu v0.2.0 [INFO] [stderr] Compiling smithay-client-toolkit v0.6.6 [INFO] [stderr] Compiling smithay-clipboard v0.3.7 [INFO] [stderr] Compiling winit v0.22.0 [INFO] [stderr] Compiling clipboard_wayland v0.1.0 [INFO] [stderr] Compiling window_clipboard v0.1.1 [INFO] [stderr] Compiling iced_winit v0.1.0 [INFO] [stderr] Compiling iced v0.1.0 [INFO] [stderr] Compiling 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/main.rs:251:21 [INFO] [stdout] | [INFO] [stdout] 251 | &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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 13s [INFO] running `Command { std: "docker" "inspect" "6d6e235102b2c94fef9155a3f86b053770f1b5a73f5021a19db5531e9abc08a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d6e235102b2c94fef9155a3f86b053770f1b5a73f5021a19db5531e9abc08a5", kill_on_drop: false }` [INFO] [stdout] 6d6e235102b2c94fef9155a3f86b053770f1b5a73f5021a19db5531e9abc08a5 [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4885716f0e2c3f69af25807c012462c97df331a9f022edb8a649b86253959c8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f4885716f0e2c3f69af25807c012462c97df331a9f022edb8a649b86253959c8", kill_on_drop: false }` [INFO] [stderr] Compiling 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/main.rs:251:21 [INFO] [stdout] | [INFO] [stdout] 251 | &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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "f4885716f0e2c3f69af25807c012462c97df331a9f022edb8a649b86253959c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4885716f0e2c3f69af25807c012462c97df331a9f022edb8a649b86253959c8", kill_on_drop: false }` [INFO] [stdout] f4885716f0e2c3f69af25807c012462c97df331a9f022edb8a649b86253959c8 [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1a02edecc547b972e4679f9bd54cb208aa92f65859ecd4082cfbee3ffcc8affe [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1a02edecc547b972e4679f9bd54cb208aa92f65859ecd4082cfbee3ffcc8affe", kill_on_drop: false }` [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:250:21 [INFO] [stderr] | [INFO] [stderr] 250 | &self.result_text_value.clear(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:251:21 [INFO] [stderr] | [INFO] [stderr] 251 | &self.result_text_value.push_str("An error occurred."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:256:17 [INFO] [stderr] | [INFO] [stderr] 256 | &self.result_text_value.clear(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:257:17 [INFO] [stderr] | [INFO] [stderr] 257 | &self.result_text_value.push_str(result.as_str()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:262:21 [INFO] [stderr] | [INFO] [stderr] 262 | &self.result_text_value.clear(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:263:21 [INFO] [stderr] | [INFO] [stderr] 263 | &self.result_text_value.push_str("An error occurred."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:268:17 [INFO] [stderr] | [INFO] [stderr] 268 | &self.result_text_value.clear(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:269:17 [INFO] [stderr] | [INFO] [stderr] 269 | &self.result_text_value.push_str(result.as_str()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:274:21 [INFO] [stderr] | [INFO] [stderr] 274 | &self.result_text_value.clear(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:275:21 [INFO] [stderr] | [INFO] [stderr] 275 | &self.result_text_value.push_str("An error occurred."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:280:17 [INFO] [stderr] | [INFO] [stderr] 280 | &self.result_text_value.clear(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:281:17 [INFO] [stderr] | [INFO] [stderr] 281 | &self.result_text_value.push_str(result.as_str()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `num-methods-lab4` (bin "num-methods-lab4" test) generated 12 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/num_methods_lab4-7e037fb6d2361295) [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" "1a02edecc547b972e4679f9bd54cb208aa92f65859ecd4082cfbee3ffcc8affe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a02edecc547b972e4679f9bd54cb208aa92f65859ecd4082cfbee3ffcc8affe", kill_on_drop: false }` [INFO] [stdout] 1a02edecc547b972e4679f9bd54cb208aa92f65859ecd4082cfbee3ffcc8affe