[INFO] updating cached repository https://github.com/ucsb-coast-lab/image_clustering [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] 6433edda7c9fab45944ec0d383195b2f69437fe8 [INFO] checking ucsb-coast-lab/image_clustering against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fucsb-coast-lab%2Fimage_clustering" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ucsb-coast-lab/image_clustering on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ucsb-coast-lab/image_clustering [INFO] finished tweaking git repo https://github.com/ucsb-coast-lab/image_clustering [INFO] tweaked toml for git repo https://github.com/ucsb-coast-lab/image_clustering written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/ucsb-coast-lab/image_clustering already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 0f9bd6f2b8f288c2d098790edd7a0a056fd09f55622843b7369d543e7f44ed70 [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" "0f9bd6f2b8f288c2d098790edd7a0a056fd09f55622843b7369d543e7f44ed70"` [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Checking svg v0.6.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rscam v0.5.5 [INFO] [stderr] Checking num-complex v0.2.4 [INFO] [stderr] Checking png v0.15.2 [INFO] [stderr] Checking num-bigint v0.2.6 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking rulinalg v0.4.2 [INFO] [stderr] Checking rayon-core v1.6.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rayon v1.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking num-rational v0.2.3 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking image v0.22.3 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking plotlib v0.4.0 (https://github.com/quietlychris/plotlib#1f213b51) [INFO] [stderr] Checking imageproc v0.19.2 [INFO] [stderr] Checking image_clustering v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `pixel` [INFO] [stderr] --> src/algorithm_lib.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | for pixel in &data { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_pixel` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev_clusters` is never read [INFO] [stderr] --> src/algorithm_lib.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | let mut prev_clusters: Vec<(u8, u8, u8)> = Vec::with_capacity(num_clusters); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/algorithm_lib.rs:291:9 [INFO] [stderr] | [INFO] [stderr] 291 | for n in 0..num_clusters { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `diff` is never read [INFO] [stderr] --> src/algorithm_lib.rs:334:13 [INFO] [stderr] | [INFO] [stderr] 334 | let mut diff = 0; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/visualization_lib.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | for i in 0..num_clusters { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/visualization_lib.rs:108:20 [INFO] [stderr] | [INFO] [stderr] 108 | let( pixel_vec,w,h) = build_kmeans_pixel_list_from_image(img_path, clusters); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_w` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h` [INFO] [stderr] --> src/visualization_lib.rs:108:22 [INFO] [stderr] | [INFO] [stderr] 108 | let( pixel_vec,w,h) = build_kmeans_pixel_list_from_image(img_path, clusters); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_h` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_x` [INFO] [stderr] --> src/visualization_lib.rs:110:14 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_min_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_x` [INFO] [stderr] --> src/visualization_lib.rs:110:25 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_max_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_y` [INFO] [stderr] --> src/visualization_lib.rs:110:36 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_min_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_y` [INFO] [stderr] --> src/visualization_lib.rs:110:47 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_max_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/visualization_lib.rs:110:10 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [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: variable does not need to be mutable [INFO] [stderr] --> src/visualization_lib.rs:110:21 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/visualization_lib.rs:110:32 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/visualization_lib.rs:110:43 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pixel` [INFO] [stderr] --> src/algorithm_lib.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | for pixel in &data { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_pixel` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev_clusters` is never read [INFO] [stderr] --> src/algorithm_lib.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | let mut prev_clusters: Vec<(u8, u8, u8)> = Vec::with_capacity(num_clusters); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/algorithm_lib.rs:291:9 [INFO] [stderr] | [INFO] [stderr] 291 | for n in 0..num_clusters { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `diff` is never read [INFO] [stderr] --> src/algorithm_lib.rs:334:13 [INFO] [stderr] | [INFO] [stderr] 334 | let mut diff = 0; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/visualization_lib.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | for i in 0..num_clusters { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/visualization_lib.rs:108:20 [INFO] [stderr] | [INFO] [stderr] 108 | let( pixel_vec,w,h) = build_kmeans_pixel_list_from_image(img_path, clusters); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_w` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h` [INFO] [stderr] --> src/visualization_lib.rs:108:22 [INFO] [stderr] | [INFO] [stderr] 108 | let( pixel_vec,w,h) = build_kmeans_pixel_list_from_image(img_path, clusters); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_h` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_x` [INFO] [stderr] --> src/visualization_lib.rs:110:14 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_min_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_x` [INFO] [stderr] --> src/visualization_lib.rs:110:25 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_max_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_y` [INFO] [stderr] --> src/visualization_lib.rs:110:36 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_min_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_y` [INFO] [stderr] --> src/visualization_lib.rs:110:47 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_max_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/visualization_lib.rs:110:10 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [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: variable does not need to be mutable [INFO] [stderr] --> src/visualization_lib.rs:110:21 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/visualization_lib.rs:110:32 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/visualization_lib.rs:110:43 [INFO] [stderr] | [INFO] [stderr] 110 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64,0f64,0f64,0f64); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 58.13s [INFO] running `"docker" "inspect" "0f9bd6f2b8f288c2d098790edd7a0a056fd09f55622843b7369d543e7f44ed70"` [INFO] running `"docker" "rm" "-f" "0f9bd6f2b8f288c2d098790edd7a0a056fd09f55622843b7369d543e7f44ed70"` [INFO] [stdout] 0f9bd6f2b8f288c2d098790edd7a0a056fd09f55622843b7369d543e7f44ed70