[INFO] cloning repository https://github.com/pearisgreen/cplot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pearisgreen/cplot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearisgreen%2Fcplot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearisgreen%2Fcplot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8a7b24c449fc1809e4596947a9c10cf58b26f59b [INFO] testing pearisgreen/cplot against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearisgreen%2Fcplot" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pearisgreen/cplot on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pearisgreen/cplot [INFO] finished tweaking git repo https://github.com/pearisgreen/cplot [INFO] tweaked toml for git repo https://github.com/pearisgreen/cplot written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/pearisgreen/cplot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9dd43c227f747fad1be37f06dba788f339b5b993bb7ecc40fb12082106ec49db [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" "9dd43c227f747fad1be37f06dba788f339b5b993bb7ecc40fb12082106ec49db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9dd43c227f747fad1be37f06dba788f339b5b993bb7ecc40fb12082106ec49db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dd43c227f747fad1be37f06dba788f339b5b993bb7ecc40fb12082106ec49db", kill_on_drop: false }` [INFO] [stdout] 9dd43c227f747fad1be37f06dba788f339b5b993bb7ecc40fb12082106ec49db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d2f02f2c61d17800b7f01f2250a4c74033e2092166d4b7be58bd6d77613d7cf [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" "8d2f02f2c61d17800b7f01f2250a4c74033e2092166d4b7be58bd6d77613d7cf", kill_on_drop: false }` [INFO] [stderr] Compiling piston-float v0.3.0 [INFO] [stderr] Compiling shader_version v0.3.0 [INFO] [stderr] Compiling piston-texture v0.6.0 [INFO] [stderr] Compiling interpolation v0.2.0 [INFO] [stderr] Compiling read_color v1.0.0 [INFO] [stderr] Compiling piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Compiling draw_state v0.8.0 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling nix v0.13.0 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling wayland-scanner v0.21.12 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling uuid v0.6.5 [INFO] [stderr] Compiling piston-viewport v0.5.0 [INFO] [stderr] Compiling vecmath v0.3.1 [INFO] [stderr] Compiling derivative v1.0.2 [INFO] [stderr] Compiling png v0.14.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling rusttype v0.7.5 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling dlib v0.4.1 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling palette v0.2.1 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] Compiling piston2d-graphics v0.30.0 [INFO] [stderr] Compiling wayland-sys v0.21.12 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling wayland-client v0.21.12 [INFO] [stderr] Compiling wayland-protocols v0.21.12 [INFO] [stderr] Compiling gfx_gl v0.5.0 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling image v0.21.0 [INFO] [stderr] Compiling wayland-commons v0.21.12 [INFO] [stderr] Compiling gfx_core v0.8.3 [INFO] [stderr] Compiling pistoncore-input v0.24.0 [INFO] [stderr] Compiling gfx v0.17.1 [INFO] [stderr] Compiling pistoncore-window v0.37.0 [INFO] [stderr] Compiling piston-ai_behavior v0.27.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.42.0 [INFO] [stderr] Compiling piston-gfx_texture v0.35.0 [INFO] [stderr] Compiling piston2d-sprite v0.50.0 [INFO] [stderr] Compiling piston v0.42.0 [INFO] [stderr] Compiling piston2d-gfx_graphics v0.56.0 [INFO] [stderr] Compiling gfx_device_gl v0.15.5 [INFO] [stderr] Compiling smithay-client-toolkit v0.4.5 [INFO] [stderr] Compiling winit v0.18.1 [INFO] [stderr] Compiling pistoncore-glutin_window v0.54.0 [INFO] [stderr] Compiling piston_window v0.89.0 [INFO] [stderr] Compiling cplot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::f64::consts::PI` [INFO] [stdout] --> src/plot.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::f64::consts::PI; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Image_Buffer` should have an upper camel case name [INFO] [stdout] --> src/plot.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | type Image_Buffer = im::ImageBuffer, Vec>; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ImageBuffer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r_a` [INFO] [stdout] --> src/main.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | if let Some(r_a) = e.render_args() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_r_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `button` [INFO] [stdout] --> src/main.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | if let Some(button) = e.press_args() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u_a` [INFO] [stdout] --> src/main.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | if let Some(u_a) = e.update_args() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/plot.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut val: f64 = 0.0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `canvas` [INFO] [stdout] --> src/plot.rs:60:25 [INFO] [stdout] | [INFO] [stdout] 60 | fn draw_grid(&self, canvas: &mut Image_Buffer) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sin` [INFO] [stdout] --> src/complex.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn sin(n: Cpx) -> Cpx { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tan` [INFO] [stdout] --> src/complex.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn tan(n: Cpx) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 56s [INFO] running `Command { std: "docker" "inspect" "8d2f02f2c61d17800b7f01f2250a4c74033e2092166d4b7be58bd6d77613d7cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d2f02f2c61d17800b7f01f2250a4c74033e2092166d4b7be58bd6d77613d7cf", kill_on_drop: false }` [INFO] [stdout] 8d2f02f2c61d17800b7f01f2250a4c74033e2092166d4b7be58bd6d77613d7cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--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] 3982445f7f000a6b881e97d85800b8cad1f9d93116d683d3b2753118d25cce89 [INFO] running `Command { std: "docker" "start" "-a" "3982445f7f000a6b881e97d85800b8cad1f9d93116d683d3b2753118d25cce89", kill_on_drop: false }` [INFO] [stderr] Compiling cplot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::f64::consts::PI` [INFO] [stdout] --> src/plot.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::f64::consts::PI; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Image_Buffer` should have an upper camel case name [INFO] [stdout] --> src/plot.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | type Image_Buffer = im::ImageBuffer, Vec>; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ImageBuffer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r_a` [INFO] [stdout] --> src/main.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | if let Some(r_a) = e.render_args() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_r_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `button` [INFO] [stdout] --> src/main.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | if let Some(button) = e.press_args() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u_a` [INFO] [stdout] --> src/main.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | if let Some(u_a) = e.update_args() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_u_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/plot.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut val: f64 = 0.0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `canvas` [INFO] [stdout] --> src/plot.rs:60:25 [INFO] [stdout] | [INFO] [stdout] 60 | fn draw_grid(&self, canvas: &mut Image_Buffer) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sin` [INFO] [stdout] --> src/complex.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn sin(n: Cpx) -> Cpx { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tan` [INFO] [stdout] --> src/complex.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn tan(n: Cpx) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `Command { std: "docker" "inspect" "3982445f7f000a6b881e97d85800b8cad1f9d93116d683d3b2753118d25cce89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3982445f7f000a6b881e97d85800b8cad1f9d93116d683d3b2753118d25cce89", kill_on_drop: false }` [INFO] [stdout] 3982445f7f000a6b881e97d85800b8cad1f9d93116d683d3b2753118d25cce89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c8042ac9daafb7ace4f4a7c32be82da3eadc2c918bf102cdfff6f694bb7f4dcb [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" "c8042ac9daafb7ace4f4a7c32be82da3eadc2c918bf102cdfff6f694bb7f4dcb", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::f64::consts::PI` [INFO] [stderr] --> src/plot.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::f64::consts::PI; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `Image_Buffer` should have an upper camel case name [INFO] [stderr] --> src/plot.rs:17:6 [INFO] [stderr] | [INFO] [stderr] 17 | type Image_Buffer = im::ImageBuffer, Vec>; [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ImageBuffer` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r_a` [INFO] [stderr] --> src/main.rs:58:21 [INFO] [stderr] | [INFO] [stderr] 58 | if let Some(r_a) = e.render_args() { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_r_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `button` [INFO] [stderr] --> src/main.rs:65:21 [INFO] [stderr] | [INFO] [stderr] 65 | if let Some(button) = e.press_args() { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u_a` [INFO] [stderr] --> src/main.rs:68:21 [INFO] [stderr] | [INFO] [stderr] 68 | if let Some(u_a) = e.update_args() { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_u_a` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `val` is never read [INFO] [stderr] --> src/plot.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | let mut val: f64 = 0.0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `canvas` [INFO] [stderr] --> src/plot.rs:60:25 [INFO] [stderr] | [INFO] [stderr] 60 | fn draw_grid(&self, canvas: &mut Image_Buffer) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `sin` [INFO] [stderr] --> src/complex.rs:31:12 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn sin(n: Cpx) -> Cpx { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `tan` [INFO] [stderr] --> src/complex.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn tan(n: Cpx) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `cplot` (bin "cplot" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cplot-dcb9c9e4d87757bf) [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" "c8042ac9daafb7ace4f4a7c32be82da3eadc2c918bf102cdfff6f694bb7f4dcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8042ac9daafb7ace4f4a7c32be82da3eadc2c918bf102cdfff6f694bb7f4dcb", kill_on_drop: false }` [INFO] [stdout] c8042ac9daafb7ace4f4a7c32be82da3eadc2c918bf102cdfff6f694bb7f4dcb