[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] bde0d25048ec0a76fedbd9566835cec53dfa60cc [INFO] checking ucsb-coast-lab/image_clustering against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fucsb-coast-lab%2Fimage_clustering" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ucsb-coast-lab/image_clustering on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-8/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" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b3364980be16b20dedd5bbf2c29184a90a62e586b50b44a33bf965ab5f498565 [INFO] running `"docker" "start" "-a" "b3364980be16b20dedd5bbf2c29184a90a62e586b50b44a33bf965ab5f498565"` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking svg v0.6.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rscam v0.5.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking png v0.15.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking rayon v1.2.1 [INFO] [stderr] Checking rusttype v0.8.2 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rulinalg v0.4.2 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Checking num v0.2.1 [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] Checking failure v0.1.6 [INFO] [stderr] Checking image v0.22.3 [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:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | for pixel in &data { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/algorithm_lib.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let c = a.cluster; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev_clusters` is never read [INFO] [stderr] --> src/algorithm_lib.rs:191:9 [INFO] [stderr] | [INFO] [stderr] 191 | let mut prev_clusters: Vec = 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:331:9 [INFO] [stderr] | [INFO] [stderr] 331 | for n in 0..num_clusters { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `diff` is never read [INFO] [stderr] --> src/algorithm_lib.rs:386:9 [INFO] [stderr] | [INFO] [stderr] 386 | 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:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | for i in 0..num_clusters { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/visualization_lib.rs:112:21 [INFO] [stderr] | [INFO] [stderr] 112 | let (pixel_vec, w, h) = build_kmeans_pixel_list_from_image(img_path, clusters); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h` [INFO] [stderr] --> src/visualization_lib.rs:112:24 [INFO] [stderr] | [INFO] [stderr] 112 | let (pixel_vec, w, h) = build_kmeans_pixel_list_from_image(img_path, clusters); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_x` [INFO] [stderr] --> src/visualization_lib.rs:114:10 [INFO] [stderr] | [INFO] [stderr] 114 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64, 0f64, 0f64, 0f64); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_x` [INFO] [stderr] --> src/visualization_lib.rs:114:21 [INFO] [stderr] | [INFO] [stderr] 114 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64, 0f64, 0f64, 0f64); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_y` [INFO] [stderr] --> src/visualization_lib.rs:114:32 [INFO] [stderr] | [INFO] [stderr] 114 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64, 0f64, 0f64, 0f64); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_y` [INFO] [stderr] --> src/visualization_lib.rs:114:43 [INFO] [stderr] | [INFO] [stderr] 114 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64, 0f64, 0f64, 0f64); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm_lib.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | let mut img = image::open(img_path).expect("Couldn't open the image"); [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:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | let mut img = image::open(img_path).expect("Couldn't open the image"); [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:114:10 [INFO] [stderr] | [INFO] [stderr] 114 | 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:114:21 [INFO] [stderr] | [INFO] [stderr] 114 | 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:114:32 [INFO] [stderr] | [INFO] [stderr] 114 | 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:114:43 [INFO] [stderr] | [INFO] [stderr] 114 | 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: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pixel` [INFO] [stderr] --> src/algorithm_lib.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | for pixel in &data { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/algorithm_lib.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let c = a.cluster; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev_clusters` is never read [INFO] [stderr] --> src/algorithm_lib.rs:191:9 [INFO] [stderr] | [INFO] [stderr] 191 | let mut prev_clusters: Vec = 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:331:9 [INFO] [stderr] | [INFO] [stderr] 331 | for n in 0..num_clusters { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `diff` is never read [INFO] [stderr] --> src/algorithm_lib.rs:386:9 [INFO] [stderr] | [INFO] [stderr] 386 | 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:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | for i in 0..num_clusters { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/visualization_lib.rs:112:21 [INFO] [stderr] | [INFO] [stderr] 112 | let (pixel_vec, w, h) = build_kmeans_pixel_list_from_image(img_path, clusters); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h` [INFO] [stderr] --> src/visualization_lib.rs:112:24 [INFO] [stderr] | [INFO] [stderr] 112 | let (pixel_vec, w, h) = build_kmeans_pixel_list_from_image(img_path, clusters); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_x` [INFO] [stderr] --> src/visualization_lib.rs:114:10 [INFO] [stderr] | [INFO] [stderr] 114 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64, 0f64, 0f64, 0f64); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_x` [INFO] [stderr] --> src/visualization_lib.rs:114:21 [INFO] [stderr] | [INFO] [stderr] 114 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64, 0f64, 0f64, 0f64); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_y` [INFO] [stderr] --> src/visualization_lib.rs:114:32 [INFO] [stderr] | [INFO] [stderr] 114 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64, 0f64, 0f64, 0f64); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_y` [INFO] [stderr] --> src/visualization_lib.rs:114:43 [INFO] [stderr] | [INFO] [stderr] 114 | let (mut min_x, mut max_x, mut min_y, mut max_y) = (0f64, 0f64, 0f64, 0f64); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/algorithm_lib.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | let mut img = image::open(img_path).expect("Couldn't open the image"); [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:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | let mut img = image::open(img_path).expect("Couldn't open the image"); [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:114:10 [INFO] [stderr] | [INFO] [stderr] 114 | 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:114:21 [INFO] [stderr] | [INFO] [stderr] 114 | 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:114:32 [INFO] [stderr] | [INFO] [stderr] 114 | 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:114:43 [INFO] [stderr] | [INFO] [stderr] 114 | 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: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 10s [INFO] running `"docker" "inspect" "b3364980be16b20dedd5bbf2c29184a90a62e586b50b44a33bf965ab5f498565"` [INFO] running `"docker" "rm" "-f" "b3364980be16b20dedd5bbf2c29184a90a62e586b50b44a33bf965ab5f498565"` [INFO] [stdout] b3364980be16b20dedd5bbf2c29184a90a62e586b50b44a33bf965ab5f498565