[INFO] cloning repository https://github.com/tamamu/rsplot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tamamu/rsplot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Frsplot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Frsplot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac1d648bcb6c19af04a2de26f3d73087cc85994d
[INFO] building tamamu/rsplot against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Frsplot" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tamamu/rsplot on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tamamu/rsplot
[INFO] finished tweaking git repo https://github.com/tamamu/rsplot
[INFO] tweaked toml for git repo https://github.com/tamamu/rsplot written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tamamu/rsplot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 386350f7da3a7b096dfa4da79d189dc1fb0ff97dc722a7fa936e5cd08681be4b
[INFO] running `Command { std: "docker" "start" "-a" "386350f7da3a7b096dfa4da79d189dc1fb0ff97dc722a7fa936e5cd08681be4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "386350f7da3a7b096dfa4da79d189dc1fb0ff97dc722a7fa936e5cd08681be4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386350f7da3a7b096dfa4da79d189dc1fb0ff97dc722a7fa936e5cd08681be4b", kill_on_drop: false }`
[INFO] [stdout] 386350f7da3a7b096dfa4da79d189dc1fb0ff97dc722a7fa936e5cd08681be4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13c4b5fa3c1a3daf9341c0f1f037f4ddfeabb9a1efc5b950d5d03ed5bededeaf
[INFO] running `Command { std: "docker" "start" "-a" "13c4b5fa3c1a3daf9341c0f1f037f4ddfeabb9a1efc5b950d5d03ed5bededeaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling inflate v0.4.4
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling glib v0.6.1
[INFO] [stderr]    Compiling png v0.13.2
[INFO] [stderr]    Compiling rsplot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/unit.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: unused import: `std::cmp`
[INFO] [stdout]  --> src/unit.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Format` and `ImageSurface`
[INFO] [stdout]  --> src/unit.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cairo::{ImageSurface, Format, Context};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/unit.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |         if (count >= 2) {
[INFO] [stdout]     |            ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -         if (count >= 2) {
[INFO] [stdout] 219 +         if count >= 2 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_x`
[INFO] [stdout]    --> src/unit.rs:147:36
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_y`
[INFO] [stdout]    --> src/unit.rs:147:54
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stdout]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/unit.rs:167:20
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/unit.rs:167:35
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/unit.rs:167:47
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stdout]     |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ROUNDING_ERROR` is never used
[INFO] [stdout]   --> src/unit.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static ROUNDING_ERROR: PlotUnit = 100.;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Matrix`
[INFO] [stdout]  --> src/main.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cairo::{ImageSurface, Format, Context, Matrix};
[INFO] [stdout]   |                                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "13c4b5fa3c1a3daf9341c0f1f037f4ddfeabb9a1efc5b950d5d03ed5bededeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c4b5fa3c1a3daf9341c0f1f037f4ddfeabb9a1efc5b950d5d03ed5bededeaf", kill_on_drop: false }`
[INFO] [stdout] 13c4b5fa3c1a3daf9341c0f1f037f4ddfeabb9a1efc5b950d5d03ed5bededeaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a333151588b2f485e404b0b90f2e25c7448311a3a0024cc14d49c3804a8e8122
[INFO] running `Command { std: "docker" "start" "-a" "a333151588b2f485e404b0b90f2e25c7448311a3a0024cc14d49c3804a8e8122", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsplot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/unit.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: unused import: `std::cmp`
[INFO] [stdout]  --> src/unit.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Format` and `ImageSurface`
[INFO] [stdout]  --> src/unit.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cairo::{ImageSurface, Format, Context};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/unit.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |         if (count >= 2) {
[INFO] [stdout]     |            ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -         if (count >= 2) {
[INFO] [stdout] 219 +         if count >= 2 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_x`
[INFO] [stdout]    --> src/unit.rs:147:36
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_y`
[INFO] [stdout]    --> src/unit.rs:147:54
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stdout]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/unit.rs:167:20
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/unit.rs:167:35
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/unit.rs:167:47
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stdout]     |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ROUNDING_ERROR` is never used
[INFO] [stdout]   --> src/unit.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static ROUNDING_ERROR: PlotUnit = 100.;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Matrix`
[INFO] [stdout]  --> src/main.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cairo::{ImageSurface, Format, Context, Matrix};
[INFO] [stdout]   |                                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/unit.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: unused import: `std::cmp`
[INFO] [stdout]  --> src/unit.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Format` and `ImageSurface`
[INFO] [stdout]  --> src/unit.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cairo::{ImageSurface, Format, Context};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/unit.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |         if (count >= 2) {
[INFO] [stdout]     |            ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -         if (count >= 2) {
[INFO] [stdout] 219 +         if count >= 2 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_x`
[INFO] [stdout]    --> src/unit.rs:147:36
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_y`
[INFO] [stdout]    --> src/unit.rs:147:54
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stdout]     |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/unit.rs:167:20
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/unit.rs:167:35
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/unit.rs:167:47
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stdout]     |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ROUNDING_ERROR` is never used
[INFO] [stdout]   --> src/unit.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static ROUNDING_ERROR: PlotUnit = 100.;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "a333151588b2f485e404b0b90f2e25c7448311a3a0024cc14d49c3804a8e8122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a333151588b2f485e404b0b90f2e25c7448311a3a0024cc14d49c3804a8e8122", kill_on_drop: false }`
[INFO] [stdout] a333151588b2f485e404b0b90f2e25c7448311a3a0024cc14d49c3804a8e8122