[INFO] updating cached repository tamamu/rsplot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tamamu/rsplot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tamamu/rsplot" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tamamu/rsplot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tamamu/rsplot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tamamu/rsplot" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tamamu/rsplot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tamamu/rsplot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac1d648bcb6c19af04a2de26f3d73087cc85994d
[INFO] sha for GitHub repo tamamu/rsplot: ac1d648bcb6c19af04a2de26f3d73087cc85994d
[INFO] validating manifest of tamamu/rsplot on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tamamu/rsplot on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tamamu/rsplot
[INFO] finished frobbing tamamu/rsplot
[INFO] frobbed toml for tamamu/rsplot written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tamamu/rsplot/Cargo.toml
[INFO] started frobbing tamamu/rsplot
[INFO] finished frobbing tamamu/rsplot
[INFO] frobbed toml for tamamu/rsplot written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tamamu/rsplot/Cargo.toml
[INFO] crate tamamu/rsplot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tamamu/rsplot against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tamamu/rsplot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 285e01fd4a2ab03696c7f63aa3953502b2751a613354ace586de7a5db24f0894
[INFO] running `"docker" "start" "-a" "285e01fd4a2ab03696c7f63aa3953502b2751a613354ace586de7a5db24f0894"`
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking png v0.13.2
[INFO] [stderr]     Checking rsplot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::f64::consts::PI`
[INFO] [stderr]  --> src/unit.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: unused import: `std::cmp`
[INFO] [stderr]  --> src/unit.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Format`, `ImageSurface`
[INFO] [stderr]  --> src/unit.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use cairo::{ImageSurface, Format, Context};
[INFO] [stderr]   |             ^^^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/unit.rs:219:12
[INFO] [stderr]     |
[INFO] [stderr] 219 |         if (count >= 2) {
[INFO] [stderr]     |            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f64::consts::PI`
[INFO] [stderr]  --> src/unit.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: unused import: `std::cmp`
[INFO] [stderr]  --> src/unit.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Format`, `ImageSurface`
[INFO] [stderr]  --> src/unit.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use cairo::{ImageSurface, Format, Context};
[INFO] [stderr]   |             ^^^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/unit.rs:219:12
[INFO] [stderr]     |
[INFO] [stderr] 219 |         if (count >= 2) {
[INFO] [stderr]     |            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/unit.rs:167:20
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/unit.rs:167:35
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stderr]     |                                   ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]    --> src/unit.rs:167:47
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stderr]     |                                               ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unit_x`
[INFO] [stderr]    --> src/unit.rs:147:36
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stderr]     |                                    ^^^^^^ help: consider prefixing with an underscore: `_unit_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unit_y`
[INFO] [stderr]    --> src/unit.rs:147:54
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stderr]     |                                                      ^^^^^^ help: consider prefixing with an underscore: `_unit_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/unit.rs:167:20
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_ctx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/unit.rs:167:35
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stderr]     |                                   ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]    --> src/unit.rs:167:47
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn draw(&self, ctx: &Context, width: f64, height: f64) {
[INFO] [stderr]     |                                               ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unit_x`
[INFO] [stderr]    --> src/unit.rs:147:36
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stderr]     |                                    ^^^^^^ help: consider prefixing with an underscore: `_unit_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unit_y`
[INFO] [stderr]    --> src/unit.rs:147:54
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn new(data: Vec<Point2D>, unit_x: PlotUnit, unit_y: PlotUnit) -> Self {
[INFO] [stderr]     |                                                      ^^^^^^ help: consider prefixing with an underscore: `_unit_y`
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `ROUNDING_ERROR`
[INFO] [stderr]   --> src/unit.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | static ROUNDING_ERROR: PlotUnit = 100.;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `ROUNDING_ERROR`
[INFO] [stderr]   --> src/unit.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | static ROUNDING_ERROR: PlotUnit = 100.;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Matrix`
[INFO] [stderr]  --> src/main.rs:6:44
[INFO] [stderr]   |
[INFO] [stderr] 6 | use cairo::{ImageSurface, Format, Context, Matrix};
[INFO] [stderr]   |                                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Matrix`
[INFO] [stderr]  --> src/main.rs:6:44
[INFO] [stderr]   |
[INFO] [stderr] 6 | use cairo::{ImageSurface, Format, Context, Matrix};
[INFO] [stderr]   |                                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `"docker" "inspect" "285e01fd4a2ab03696c7f63aa3953502b2751a613354ace586de7a5db24f0894"`
[INFO] running `"docker" "rm" "-f" "285e01fd4a2ab03696c7f63aa3953502b2751a613354ace586de7a5db24f0894"`
[INFO] [stdout] 285e01fd4a2ab03696c7f63aa3953502b2751a613354ace586de7a5db24f0894