[INFO] cloning repository https://github.com/ucsb-coast-lab/image_clustering
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ucsb-coast-lab/image_clustering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fucsb-coast-lab%2Fimage_clustering", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fucsb-coast-lab%2Fimage_clustering'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f35a2c6fd92fc1de1c2032461f897d416a6684b6
[INFO] documenting ucsb-coast-lab/image_clustering against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fucsb-coast-lab%2Fimage_clustering" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ucsb-coast-lab/image_clustering on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ucsb-coast-lab/image_clustering already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/quietlychris/plotlib`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding plotlib v0.4.0 (https://github.com/quietlychris/plotlib?branch=master#1f213b51)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting ucsb-coast-lab/image_clustering against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fucsb-coast-lab%2Fimage_clustering" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ucsb-coast-lab/image_clustering on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ucsb-coast-lab/image_clustering already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding plotlib v0.4.0 (https://github.com/quietlychris/plotlib?branch=master#1f213b51)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.40
[INFO] [stderr]   Downloaded svg v0.6.0
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded rulinalg v0.4.2
[INFO] [stderr]   Downloaded png v0.15.2
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.18
[INFO] [stderr]   Downloaded num-integer v0.1.42
[INFO] [stderr]   Downloaded imageproc v0.19.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c8a60a4bbeb2aabf2f8a0d7377e301b1755203a27e51563d1ecbf60d27ccd08
[INFO] running `Command { std: "docker" "start" "-a" "0c8a60a4bbeb2aabf2f8a0d7377e301b1755203a27e51563d1ecbf60d27ccd08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c8a60a4bbeb2aabf2f8a0d7377e301b1755203a27e51563d1ecbf60d27ccd08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8a60a4bbeb2aabf2f8a0d7377e301b1755203a27e51563d1ecbf60d27ccd08", kill_on_drop: false }`
[INFO] [stdout] 0c8a60a4bbeb2aabf2f8a0d7377e301b1755203a27e51563d1ecbf60d27ccd08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2592259624ec308dffee16d6fe2640a3a6b977b956fade6f5783499ef2cccc68
[INFO] running `Command { std: "docker" "start" "-a" "2592259624ec308dffee16d6fe2640a3a6b977b956fade6f5783499ef2cccc68", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking svg v0.6.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking png v0.15.2
[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 c2-chacha v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[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 rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking plotlib v0.4.0 (https://github.com/quietlychris/plotlib?branch=master#1f213b51)
[INFO] [stderr]     Checking imageproc v0.19.2
[INFO] [stderr]  Documenting image_clustering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/algorithm_lib.rs:363:54
[INFO] [stdout]     |
[INFO] [stdout] 363 |         cluster_centers[pixel.assigned_cluster].0 += (pixel.x as u32);
[INFO] [stdout]     |                                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 363 -         cluster_centers[pixel.assigned_cluster].0 += (pixel.x as u32);
[INFO] [stdout] 363 +         cluster_centers[pixel.assigned_cluster].0 += pixel.x as u32 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/algorithm_lib.rs:364:54
[INFO] [stdout]     |
[INFO] [stdout] 364 |         cluster_centers[pixel.assigned_cluster].1 += (pixel.y as u32);
[INFO] [stdout]     |                                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 364 -         cluster_centers[pixel.assigned_cluster].1 += (pixel.y as u32);
[INFO] [stdout] 364 +         cluster_centers[pixel.assigned_cluster].1 += pixel.y as u32 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/algorithm_lib.rs:446:22
[INFO] [stdout]     |
[INFO] [stdout] 446 |             a_sum += (a[i].r as isize + a[i].g as isize + a[i].b as isize);
[INFO] [stdout]     |                      ^                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 446 -             a_sum += (a[i].r as isize + a[i].g as isize + a[i].b as isize);
[INFO] [stdout] 446 +             a_sum += a[i].r as isize + a[i].g as isize + a[i].b as isize ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/algorithm_lib.rs:448:22
[INFO] [stdout]     |
[INFO] [stdout] 448 |             b_sum += (b[i].r as isize + b[i].g as isize + b[i].b as isize);
[INFO] [stdout]     |                      ^                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 448 -             b_sum += (b[i].r as isize + b[i].g as isize + b[i].b as isize);
[INFO] [stdout] 448 +             b_sum += b[i].r as isize + b[i].g as isize + b[i].b as isize ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.6.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/image_clustering/index.html
[INFO] running `Command { std: "docker" "inspect" "2592259624ec308dffee16d6fe2640a3a6b977b956fade6f5783499ef2cccc68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2592259624ec308dffee16d6fe2640a3a6b977b956fade6f5783499ef2cccc68", kill_on_drop: false }`
[INFO] [stdout] 2592259624ec308dffee16d6fe2640a3a6b977b956fade6f5783499ef2cccc68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 072b2243ca0b94730af196adeeff8827b3cbee244c20d30f2a6e2b3630b2cdfb
[INFO] running `Command { std: "docker" "start" "-a" "072b2243ca0b94730af196adeeff8827b3cbee244c20d30f2a6e2b3630b2cdfb", kill_on_drop: false }`
[INFO] [stderr]  Documenting image_clustering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/algorithm_lib.rs:363:54
[INFO] [stdout]     |
[INFO] [stdout] 363 |         cluster_centers[pixel.assigned_cluster].0 += (pixel.x as u32);
[INFO] [stdout]     |                                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 363 -         cluster_centers[pixel.assigned_cluster].0 += (pixel.x as u32);
[INFO] [stdout] 363 +         cluster_centers[pixel.assigned_cluster].0 += pixel.x as u32 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/algorithm_lib.rs:364:54
[INFO] [stdout]     |
[INFO] [stdout] 364 |         cluster_centers[pixel.assigned_cluster].1 += (pixel.y as u32);
[INFO] [stdout]     |                                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 364 -         cluster_centers[pixel.assigned_cluster].1 += (pixel.y as u32);
[INFO] [stdout] 364 +         cluster_centers[pixel.assigned_cluster].1 += pixel.y as u32 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/algorithm_lib.rs:446:22
[INFO] [stdout]     |
[INFO] [stdout] 446 |             a_sum += (a[i].r as isize + a[i].g as isize + a[i].b as isize);
[INFO] [stdout]     |                      ^                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 446 -             a_sum += (a[i].r as isize + a[i].g as isize + a[i].b as isize);
[INFO] [stdout] 446 +             a_sum += a[i].r as isize + a[i].g as isize + a[i].b as isize ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/algorithm_lib.rs:448:22
[INFO] [stdout]     |
[INFO] [stdout] 448 |             b_sum += (b[i].r as isize + b[i].g as isize + b[i].b as isize);
[INFO] [stdout]     |                      ^                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 448 -             b_sum += (b[i].r as isize + b[i].g as isize + b[i].b as isize);
[INFO] [stdout] 448 +             b_sum += b[i].r as isize + b[i].g as isize + b[i].b as isize ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.6.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/image_clustering/index.html
[INFO] running `Command { std: "docker" "inspect" "072b2243ca0b94730af196adeeff8827b3cbee244c20d30f2a6e2b3630b2cdfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072b2243ca0b94730af196adeeff8827b3cbee244c20d30f2a6e2b3630b2cdfb", kill_on_drop: false }`
[INFO] [stdout] 072b2243ca0b94730af196adeeff8827b3cbee244c20d30f2a6e2b3630b2cdfb
