[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] checking tamamu/rsplot against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Frsplot" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tamamu/rsplot on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cairo-sys-rs v0.7.0
[INFO] [stderr]   Downloaded glib v0.6.1
[INFO] [stderr]   Downloaded cairo-rs v0.5.0
[INFO] [stderr]   Downloaded png v0.13.2
[INFO] [stderr]   Downloaded gobject-sys v0.7.0
[INFO] [stderr]   Downloaded glib-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e426ffe8f61d26ec8052c232f8826a63c669206fc5016fedc7a603b2ab2fb8ac
[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" "e426ffe8f61d26ec8052c232f8826a63c669206fc5016fedc7a603b2ab2fb8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e426ffe8f61d26ec8052c232f8826a63c669206fc5016fedc7a603b2ab2fb8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e426ffe8f61d26ec8052c232f8826a63c669206fc5016fedc7a603b2ab2fb8ac", kill_on_drop: false }`
[INFO] [stdout] e426ffe8f61d26ec8052c232f8826a63c669206fc5016fedc7a603b2ab2fb8ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cbe3cac73db944f1f0dae56b4169d40be3d536e790474c61e47a8b239602865
[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" "0cbe3cac73db944f1f0dae56b4169d40be3d536e790474c61e47a8b239602865", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking 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]     Checking glib v0.6.1
[INFO] [stderr]     Checking png v0.13.2
[INFO] [stderr]     Checking 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`, `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]     |            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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`, `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]     |            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     = note: `#[warn(unused_variables)]` on by default
[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: 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] 
[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: static is never used: `ROUNDING_ERROR`
[INFO] [stdout]   --> src/unit.rs:10:1
[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 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]     = note: `#[warn(unused_variables)]` on by default
[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: 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] 
[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: static is never used: `ROUNDING_ERROR`
[INFO] [stdout]   --> src/unit.rs:10:1
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[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: `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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.41s
[INFO] running `Command { std: "docker" "inspect" "0cbe3cac73db944f1f0dae56b4169d40be3d536e790474c61e47a8b239602865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbe3cac73db944f1f0dae56b4169d40be3d536e790474c61e47a8b239602865", kill_on_drop: false }`
[INFO] [stdout] 0cbe3cac73db944f1f0dae56b4169d40be3d536e790474c61e47a8b239602865