[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-2020-08-29 for beta-1.47-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-8/source", kill_on_drop: false }`
[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 beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/quietlychris/plotlib`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2570398f8ef66fb386f2c74e5d2b2afa1f69478f848d1aa23d2e104c2281e3bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2570398f8ef66fb386f2c74e5d2b2afa1f69478f848d1aa23d2e104c2281e3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2570398f8ef66fb386f2c74e5d2b2afa1f69478f848d1aa23d2e104c2281e3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2570398f8ef66fb386f2c74e5d2b2afa1f69478f848d1aa23d2e104c2281e3bc", kill_on_drop: false }`
[INFO] [stdout] 2570398f8ef66fb386f2c74e5d2b2afa1f69478f848d1aa23d2e104c2281e3bc
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e418c84cea8ef5b53bcc90e9f58e3c4e34a81ed91224e3d642aa9b1012c7089
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e418c84cea8ef5b53bcc90e9f58e3c4e34a81ed91224e3d642aa9b1012c7089", kill_on_drop: false }`
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking svg v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking plotlib v0.4.0 (https://github.com/quietlychris/plotlib?branch=master#1f213b51)
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.22.3
[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]     |                                                      ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                                                      ^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.04s
[INFO] running `Command { std: "docker" "inspect" "9e418c84cea8ef5b53bcc90e9f58e3c4e34a81ed91224e3d642aa9b1012c7089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e418c84cea8ef5b53bcc90e9f58e3c4e34a81ed91224e3d642aa9b1012c7089", kill_on_drop: false }`
[INFO] [stdout] 9e418c84cea8ef5b53bcc90e9f58e3c4e34a81ed91224e3d642aa9b1012c7089