[INFO] cloning repository https://github.com/nirshahar/SVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nirshahar/SVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7471a165f7c255befe27bc55a14fa68dbab86893
[INFO] checking nirshahar/SVM against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nirshahar/SVM on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nirshahar/SVM
[INFO] finished tweaking git repo https://github.com/nirshahar/SVM
[INFO] tweaked toml for git repo https://github.com/nirshahar/SVM written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nirshahar/SVM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 123ece804c82b26ce4eea52ac6ed82503358bec7a7b049f38a245e14bb5cbb64
[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" "123ece804c82b26ce4eea52ac6ed82503358bec7a7b049f38a245e14bb5cbb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "123ece804c82b26ce4eea52ac6ed82503358bec7a7b049f38a245e14bb5cbb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123ece804c82b26ce4eea52ac6ed82503358bec7a7b049f38a245e14bb5cbb64", kill_on_drop: false }`
[INFO] [stdout] 123ece804c82b26ce4eea52ac6ed82503358bec7a7b049f38a245e14bb5cbb64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06ddd7d55c043fd88931d9cd9b5e7ecdba0460dcecea348fdb4f01417c6adac8
[INFO] running `Command { std: "docker" "start" "-a" "06ddd7d55c043fd88931d9cd9b5e7ecdba0460dcecea348fdb4f01417c6adac8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking svg v0.9.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking ndarray v0.14.0
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking svm v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/kernel.rs (3 fixes)
[INFO] [stdout] warning: struct is never constructed: `Model`
[INFO] [stdout]  --> src/kernel.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Model<'a, K> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dual_grad_at_data_point`
[INFO] [stdout]   --> src/kernel.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn dual_grad_at_data_point(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dual_grad_with_kernel`
[INFO] [stdout]   --> src/kernel.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn dual_grad_with_kernel(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_model`
[INFO] [stdout]   --> src/kernel.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(_data_points: &[DataPoint], _kernel: K) -> Model<K> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `square_kernel`
[INFO] [stdout]   --> src/kernel.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn square_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, r: i32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rbf_kernel`
[INFO] [stdout]   --> src/kernel.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn rbf_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, sigma: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `proj_gd`
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn proj_gd<P>(
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Model`
[INFO] [stdout]  --> src/kernel.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Model<'a, K> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dual_grad_at_data_point`
[INFO] [stdout]   --> src/kernel.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn dual_grad_at_data_point(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dual_grad_with_kernel`
[INFO] [stdout]   --> src/kernel.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn dual_grad_with_kernel(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_model`
[INFO] [stdout]   --> src/kernel.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(_data_points: &[DataPoint], _kernel: K) -> Model<K> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `square_kernel`
[INFO] [stdout]   --> src/kernel.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn square_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, r: i32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rbf_kernel`
[INFO] [stdout]   --> src/kernel.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn rbf_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, sigma: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `proj_gd`
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn proj_gd<P>(
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.49s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking svm v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: struct is never constructed: `Model`
[INFO] [stdout]  --> src/kernel.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Model<'a, K> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dual_grad_at_data_point`
[INFO] [stdout]   --> src/kernel.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn dual_grad_at_data_point(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dual_grad_with_kernel`
[INFO] [stdout]   --> src/kernel.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn dual_grad_with_kernel(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_model`
[INFO] [stdout]   --> src/kernel.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(_data_points: &[DataPoint], _kernel: K) -> Model<K> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `square_kernel`
[INFO] [stdout]   --> src/kernel.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn square_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, r: i32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rbf_kernel`
[INFO] [stdout]   --> src/kernel.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn rbf_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, sigma: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `proj_gd`
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn proj_gd<P>(
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Model`
[INFO] [stdout]  --> src/kernel.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Model<'a, K> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dual_grad_at_data_point`
[INFO] [stdout]   --> src/kernel.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn dual_grad_at_data_point(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dual_grad_with_kernel`
[INFO] [stdout]   --> src/kernel.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn dual_grad_with_kernel(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `learn_model`
[INFO] [stdout]   --> src/kernel.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(_data_points: &[DataPoint], _kernel: K) -> Model<K> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `square_kernel`
[INFO] [stdout]   --> src/kernel.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn square_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, r: i32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rbf_kernel`
[INFO] [stdout]   --> src/kernel.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn rbf_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, sigma: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `proj_gd`
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn proj_gd<P>(
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "06ddd7d55c043fd88931d9cd9b5e7ecdba0460dcecea348fdb4f01417c6adac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ddd7d55c043fd88931d9cd9b5e7ecdba0460dcecea348fdb4f01417c6adac8", kill_on_drop: false }`
[INFO] [stdout] 06ddd7d55c043fd88931d9cd9b5e7ecdba0460dcecea348fdb4f01417c6adac8