[INFO] cloning repository https://github.com/ax3l/lines-are-rusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ax3l/lines-are-rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fax3l%2Flines-are-rusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fax3l%2Flines-are-rusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a21e1b6a043d2e9cac2d36979c521040359e32c0
[INFO] checking ax3l/lines-are-rusty against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fax3l%2Flines-are-rusty" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ax3l/lines-are-rusty on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ax3l/lines-are-rusty
[INFO] finished tweaking git repo https://github.com/ax3l/lines-are-rusty
[INFO] tweaked toml for git repo https://github.com/ax3l/lines-are-rusty written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ax3l/lines-are-rusty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85a616e2f4d484ff0b17c9df2af8b38ba4e5a36fb97b37e76f0dfb2afed9a276
[INFO] running `Command { std: "docker" "start" "-a" "85a616e2f4d484ff0b17c9df2af8b38ba4e5a36fb97b37e76f0dfb2afed9a276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85a616e2f4d484ff0b17c9df2af8b38ba4e5a36fb97b37e76f0dfb2afed9a276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a616e2f4d484ff0b17c9df2af8b38ba4e5a36fb97b37e76f0dfb2afed9a276", kill_on_drop: false }`
[INFO] [stdout] 85a616e2f4d484ff0b17c9df2af8b38ba4e5a36fb97b37e76f0dfb2afed9a276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b5eeba108e037fca3624b30d20d3fbbd9562cde488f29e013bcd011456c8bf7
[INFO] running `Command { std: "docker" "start" "-a" "7b5eeba108e037fca3624b30d20d3fbbd9562cde488f29e013bcd011456c8bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking svg v0.8.0
[INFO] [stderr]    Compiling pdf-canvas v0.6.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking lines-are-rusty v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `segment_length`
[INFO] [stdout]    --> src/lib.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn segment_length(&self, i: usize) -> Result<f32, &str> {
[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: `length`
[INFO] [stdout]    --> src/lib.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn length(&self) -> f32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `average_width`
[INFO] [stdout]    --> src/lib.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn average_width(&self) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `distance`
[INFO] [stdout]    --> src/lib.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn distance(&self, point: &Point) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `segment_quads`
[INFO] [stdout]   --> src/render/renderlib.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn segment_quads(line: &Line) -> Vec<f32> {
[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: `segment_length`
[INFO] [stdout]    --> src/lib.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn segment_length(&self, i: usize) -> Result<f32, &str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]    --> src/lib.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn length(&self) -> f32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `average_width`
[INFO] [stdout]    --> src/lib.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn average_width(&self) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offsets`
[INFO] [stdout]    --> src/lib.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn offsets(&self, offset_distance: f32) -> Vec<DirectionVec> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_points`
[INFO] [stdout]    --> src/lib.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn with_points(template: Point, points: &[(f32, f32)]) -> Line {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `distance`
[INFO] [stdout]    --> src/lib.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn distance(&self, point: &Point) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ZERO`
[INFO] [stdout]    --> src/lib.rs:286:5
[INFO] [stdout]     |
[INFO] [stdout] 286 |     const ZERO: DirectionVec = DirectionVec { x: 0.0, y: 0.0 };
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]    --> src/lib.rs:288:8
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn length(&self) -> f32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_length`
[INFO] [stdout]    --> src/lib.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn set_length(mut self, length: f32) -> Result<DirectionVec, &'static str> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_orthogonally`
[INFO] [stdout]    --> src/lib.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn rotate_orthogonally(mut self) -> DirectionVec {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:134:50
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn process_single_file(mut input: &mut dyn Read, mut output: &mut dyn Write, opts: Options) -> Result<()> {
[INFO] [stdout]     |                                                  ----^^^^^^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:134:50
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn process_single_file(mut input: &mut dyn Read, mut output: &mut dyn Write, opts: Options) -> Result<()> {
[INFO] [stdout]     |                                                  ----^^^^^^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "7b5eeba108e037fca3624b30d20d3fbbd9562cde488f29e013bcd011456c8bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5eeba108e037fca3624b30d20d3fbbd9562cde488f29e013bcd011456c8bf7", kill_on_drop: false }`
[INFO] [stdout] 7b5eeba108e037fca3624b30d20d3fbbd9562cde488f29e013bcd011456c8bf7