[INFO] cloning repository https://github.com/fakelag/perceptron-classifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fakelag/perceptron-classifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakelag%2Fperceptron-classifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakelag%2Fperceptron-classifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b429d16604c5e0e7b7f17a17dfb5e7f07914cd3
[INFO] checking fakelag/perceptron-classifier against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakelag%2Fperceptron-classifier" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fakelag/perceptron-classifier
[INFO] finished tweaking git repo https://github.com/fakelag/perceptron-classifier
[INFO] tweaked toml for git repo https://github.com/fakelag/perceptron-classifier written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fakelag/perceptron-classifier on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fakelag/perceptron-classifier 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simba v0.7.1
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded nalgebra v0.30.1
[INFO] [stderr]   Downloaded imageproc v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e74280292e5daa768634b783f873f15dc2ab786f3a785e0806f78b8f3106e4f4
[INFO] running `Command { std: "docker" "start" "-a" "e74280292e5daa768634b783f873f15dc2ab786f3a785e0806f78b8f3106e4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e74280292e5daa768634b783f873f15dc2ab786f3a785e0806f78b8f3106e4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74280292e5daa768634b783f873f15dc2ab786f3a785e0806f78b8f3106e4f4", kill_on_drop: false }`
[INFO] [stdout] e74280292e5daa768634b783f873f15dc2ab786f3a785e0806f78b8f3106e4f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5831ee19bad0f6d6622b8203c1fd529f264cd267e2c2ea58a5c722070bf011fc
[INFO] running `Command { std: "docker" "start" "-a" "5831ee19bad0f6d6622b8203c1fd529f264cd267e2c2ea58a5c722070bf011fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking num-bigint v0.4.3
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]     Checking imageproc v0.23.0
[INFO] [stderr]     Checking rust-perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `create_sample_images` is never used
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn create_sample_images(shape: &str, seed: u64, count: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE` is never used
[INFO] [stdout]   --> src/perceptron/utils.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const WHITE: Rgb<u8> = Rgb::<u8>([255, 255, 255]);
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_sample_images` is never used
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn create_sample_images(shape: &str, seed: u64, count: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE` is never used
[INFO] [stdout]   --> src/perceptron/utils.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const WHITE: Rgb<u8> = Rgb::<u8>([255, 255, 255]);
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.61s
[INFO] running `Command { std: "docker" "inspect" "5831ee19bad0f6d6622b8203c1fd529f264cd267e2c2ea58a5c722070bf011fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5831ee19bad0f6d6622b8203c1fd529f264cd267e2c2ea58a5c722070bf011fc", kill_on_drop: false }`
[INFO] [stdout] 5831ee19bad0f6d6622b8203c1fd529f264cd267e2c2ea58a5c722070bf011fc
