[INFO] cloning repository https://github.com/AlessandroBregoli/rgclass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlessandroBregoli/rgclass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlessandroBregoli%2Frgclass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlessandroBregoli%2Frgclass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2945ba42d809e552bc5330e269f76bea3b582f68
[INFO] checking AlessandroBregoli/rgclass against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlessandroBregoli%2Frgclass" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlessandroBregoli/rgclass
[INFO] finished tweaking git repo https://github.com/AlessandroBregoli/rgclass
[INFO] tweaked toml for git repo https://github.com/AlessandroBregoli/rgclass written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlessandroBregoli/rgclass 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/AlessandroBregoli/rgclass 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded lax v0.2.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded linfa-trees v0.5.0
[INFO] [stderr]   Downloaded openblas-build v0.1.1
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded ndarray-linalg v0.14.1
[INFO] [stderr]   Downloaded rand_distr v0.4.2
[INFO] [stderr]   Downloaded linfa v0.5.0
[INFO] [stderr]   Downloaded ndarray v0.15.3
[INFO] [stderr]   Downloaded libc v0.2.105
[INFO] [stderr]   Downloaded openblas-src v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9d4ad1b36cf971e305e8e67ae52e2b5e31533f0aeb15f7bfb8385c31ad924f8a
[INFO] running `Command { std: "docker" "start" "-a" "9d4ad1b36cf971e305e8e67ae52e2b5e31533f0aeb15f7bfb8385c31ad924f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d4ad1b36cf971e305e8e67ae52e2b5e31533f0aeb15f7bfb8385c31ad924f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4ad1b36cf971e305e8e67ae52e2b5e31533f0aeb15f7bfb8385c31ad924f8a", kill_on_drop: false }`
[INFO] [stdout] 9d4ad1b36cf971e305e8e67ae52e2b5e31533f0aeb15f7bfb8385c31ad924f8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] da98ec09b58360dcd263087234d2b6411918ce967c6eae90f499a8dbb537bb23
[INFO] running `Command { std: "docker" "start" "-a" "da98ec09b58360dcd263087234d2b6411918ce967c6eae90f499a8dbb537bb23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling linfa v0.5.0
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking lapack-sys v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking rand_distr v0.4.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]    Compiling openblas-src v0.10.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]     Checking cauchy v0.4.0
[INFO] [stderr]     Checking lapack v0.18.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking linfa-trees v0.5.0
[INFO] [stderr]     Checking lax v0.2.0
[INFO] [stderr]     Checking ndarray-linalg v0.14.1
[INFO] [stderr]     Checking rgclass v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adj_matrix_to_Laplacian` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn adj_matrix_to_Laplacian(adj_matrix: &Array2<u64>) -> Array2<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `adj_matrix_to_laplacian`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D_1_2` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let D_1_2 = Array::eye( d_1_2.len()) * &d_1_2;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `d_1_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adj_matrix_to_Laplacian` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn adj_matrix_to_Laplacian(adj_matrix: &Array2<u64>) -> Array2<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `adj_matrix_to_laplacian`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D_1_2` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let D_1_2 = Array::eye( d_1_2.len()) * &d_1_2;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `d_1_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_adj_matrix_to_Laplacian` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn test_adj_matrix_to_Laplacian(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_adj_matrix_to_laplacian`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let X = adj_matrices_to_features(&adj_matrices, 4);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/main.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let X = adj_matrices_to_features(&adj_matricres, n_features);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/main.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let X = adj_matrices_to_features(&adj_matricres, n_features);
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 21s
[INFO] running `Command { std: "docker" "inspect" "da98ec09b58360dcd263087234d2b6411918ce967c6eae90f499a8dbb537bb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da98ec09b58360dcd263087234d2b6411918ce967c6eae90f499a8dbb537bb23", kill_on_drop: false }`
[INFO] [stdout] da98ec09b58360dcd263087234d2b6411918ce967c6eae90f499a8dbb537bb23
