[INFO] updating cached repository https://github.com/SerhiiBilyk/kmeans [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bc072a48cbc3a4ab702044b11be4c540e47bb2db [INFO] checking SerhiiBilyk/kmeans against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerhiiBilyk%2Fkmeans" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SerhiiBilyk/kmeans on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad [INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/SerhiiBilyk/kmeans [INFO] finished tweaking git repo https://github.com/SerhiiBilyk/kmeans [INFO] tweaked toml for git repo https://github.com/SerhiiBilyk/kmeans written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/SerhiiBilyk/kmeans already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] eab9d77e18dd2dea7503233d058622ab6ba0e09fe4c1856801e533dc2e5d731f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "eab9d77e18dd2dea7503233d058622ab6ba0e09fe4c1856801e533dc2e5d731f"` [INFO] [stderr] Compiling palette v0.4.1 [INFO] [stderr] Checking svg v0.5.12 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.7 [INFO] [stderr] Checking stb_truetype v0.3.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking jpeg-decoder v0.1.16 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Checking rusttype v0.8.0 [INFO] [stderr] Checking num-iter v0.1.39 [INFO] [stderr] Checking num-rational v0.2.2 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking servo-fontconfig v0.4.0 [INFO] [stderr] Checking font-loader v0.8.0 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.3 [INFO] [stderr] Compiling palette_derive v0.4.1 [INFO] [stderr] Checking plotters v0.2.5 [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `distance`, `random_number` [INFO] [stderr] --> src/plotter.rs:3:13 [INFO] [stderr] | [INFO] [stderr] 3 | use utils::{random_number, distance}; [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Point` [INFO] [stderr] --> src/main.rs:5:28 [INFO] [stderr] | [INFO] [stderr] 5 | use kmeans::{KlusterMeans, Point}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `plotter::draw` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use plotter::draw; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::mean` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use utils::mean; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `distance`, `random_number` [INFO] [stderr] --> src/plotter.rs:3:13 [INFO] [stderr] | [INFO] [stderr] 3 | use utils::{random_number, distance}; [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Point` [INFO] [stderr] --> src/main.rs:5:28 [INFO] [stderr] | [INFO] [stderr] 5 | use kmeans::{KlusterMeans, Point}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `plotter::draw` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use plotter::draw; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `utils::mean` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use utils::mean; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `was_any_reassigned` [INFO] [stderr] --> src/kmeans.rs:110:17 [INFO] [stderr] | [INFO] [stderr] 110 | let mut was_any_reassigned = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_was_any_reassigned` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `debug` [INFO] [stderr] --> src/kmeans.rs:141:17 [INFO] [stderr] | [INFO] [stderr] 141 | let debug = points.clone(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_debug` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `did_assignments_change` [INFO] [stderr] --> src/kmeans.rs:155:17 [INFO] [stderr] | [INFO] [stderr] 155 | let did_assignments_change = self.assign_points_to_centroids(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_did_assignments_change` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `was_any_reassigned` [INFO] [stderr] --> src/kmeans.rs:110:17 [INFO] [stderr] | [INFO] [stderr] 110 | let mut was_any_reassigned = false; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_was_any_reassigned` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kmeans.rs:110:13 [INFO] [stderr] | [INFO] [stderr] 110 | let mut was_any_reassigned = false; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `debug` [INFO] [stderr] --> src/kmeans.rs:141:17 [INFO] [stderr] | [INFO] [stderr] 141 | let debug = points.clone(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_debug` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `did_assignments_change` [INFO] [stderr] --> src/kmeans.rs:155:17 [INFO] [stderr] | [INFO] [stderr] 155 | let did_assignments_change = self.assign_points_to_centroids(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_did_assignments_change` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_dimensionality` [INFO] [stderr] --> src/kmeans.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn get_dimensionality(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reset` [INFO] [stderr] --> src/kmeans.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | pub fn reset(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `draw` [INFO] [stderr] --> src/plotter.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn draw(points: Vec<(f32, f32)>) -> Result<(), Box> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/plotter.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | root.fill(&WHITE); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/kmeans.rs:110:13 [INFO] [stderr] | [INFO] [stderr] 110 | let mut was_any_reassigned = false; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_dimensionality` [INFO] [stderr] --> src/kmeans.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn get_dimensionality(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reset` [INFO] [stderr] --> src/kmeans.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | pub fn reset(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `draw` [INFO] [stderr] --> src/plotter.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn draw(points: Vec<(f32, f32)>) -> Result<(), Box> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/plotter.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | root.fill(&WHITE); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.80s [INFO] running `"docker" "inspect" "eab9d77e18dd2dea7503233d058622ab6ba0e09fe4c1856801e533dc2e5d731f"` [INFO] running `"docker" "rm" "-f" "eab9d77e18dd2dea7503233d058622ab6ba0e09fe4c1856801e533dc2e5d731f"` [INFO] [stdout] eab9d77e18dd2dea7503233d058622ab6ba0e09fe4c1856801e533dc2e5d731f