[INFO] fetching crate rann 0.1.2...
[INFO] testing rann-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rann 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rann 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rann 0.1.2
[INFO] finished tweaking crates.io crate rann 0.1.2
[INFO] tweaked toml for crates.io crate rann 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76939596ac92b10da1dcca11f397faa8573070700b627c4e5532f6f61a13b1df
[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" "76939596ac92b10da1dcca11f397faa8573070700b627c4e5532f6f61a13b1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76939596ac92b10da1dcca11f397faa8573070700b627c4e5532f6f61a13b1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76939596ac92b10da1dcca11f397faa8573070700b627c4e5532f6f61a13b1df", kill_on_drop: false }`
[INFO] [stdout] 76939596ac92b10da1dcca11f397faa8573070700b627c4e5532f6f61a13b1df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81ef2d3671804dbd4b16b4fe28db22053faf81996435aac447328ec8c3efe7a2
[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" "81ef2d3671804dbd4b16b4fe28db22053faf81996435aac447328ec8c3efe7a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rann v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RELU`, `Sigmoid`
[INFO] [stdout]  --> src/layers/dense.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::activations::{ActivationFunc, Sigmoid, RELU};
[INFO] [stdout]   |                                          ^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `matrix_multiply_vec`
[INFO] [stdout]  --> src/math.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn matrix_multiply_vec(mat: &Vec<Vec<f32>>, vec: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mat_multiply_mat`
[INFO] [stdout]   --> src/math.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn mat_multiply_mat(vec: &Vec<Vec<f32>>, mat: &Vec<Vec<f32>>) -> Vec<Vec<f32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mean_squared_error`
[INFO] [stdout]   --> src/math.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn mean_squared_error(vec1: &Vec<f32>, vec2: &Vec<f32>) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "81ef2d3671804dbd4b16b4fe28db22053faf81996435aac447328ec8c3efe7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ef2d3671804dbd4b16b4fe28db22053faf81996435aac447328ec8c3efe7a2", kill_on_drop: false }`
[INFO] [stdout] 81ef2d3671804dbd4b16b4fe28db22053faf81996435aac447328ec8c3efe7a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0193c2bc945d7b994d10f8d036a18c5034289ad984569ee5af952e1e17b20a46
[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" "0193c2bc945d7b994d10f8d036a18c5034289ad984569ee5af952e1e17b20a46", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `RELU`, `Sigmoid`
[INFO] [stdout]  --> src/layers/dense.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::activations::{ActivationFunc, Sigmoid, RELU};
[INFO] [stdout]   |                                          ^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rann v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `matrix_multiply_vec`
[INFO] [stdout]  --> src/math.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn matrix_multiply_vec(mat: &Vec<Vec<f32>>, vec: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mat_multiply_mat`
[INFO] [stdout]   --> src/math.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn mat_multiply_mat(vec: &Vec<Vec<f32>>, mat: &Vec<Vec<f32>>) -> Vec<Vec<f32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mean_squared_error`
[INFO] [stdout]   --> src/math.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn mean_squared_error(vec1: &Vec<f32>, vec2: &Vec<f32>) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RELU`
[INFO] [stdout]  --> src/layers/dense.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::activations::{ActivationFunc, Sigmoid, RELU};
[INFO] [stdout]   |                                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `matrix_multiply_vec`
[INFO] [stdout]  --> src/math.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn matrix_multiply_vec(mat: &Vec<Vec<f32>>, vec: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "0193c2bc945d7b994d10f8d036a18c5034289ad984569ee5af952e1e17b20a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0193c2bc945d7b994d10f8d036a18c5034289ad984569ee5af952e1e17b20a46", kill_on_drop: false }`
[INFO] [stdout] 0193c2bc945d7b994d10f8d036a18c5034289ad984569ee5af952e1e17b20a46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b836be743aae50f2a2b61e2711ea41dc401a4117269ca021c7f3f27332aee6a9
[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" "b836be743aae50f2a2b61e2711ea41dc401a4117269ca021c7f3f27332aee6a9", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `RELU`, `Sigmoid`
[INFO] [stderr]  --> src/layers/dense.rs:1:42
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::activations::{ActivationFunc, Sigmoid, RELU};
[INFO] [stderr]   |                                          ^^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matrix_multiply_vec`
[INFO] [stderr]  --> src/math.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn matrix_multiply_vec(mat: &Vec<Vec<f32>>, vec: &Vec<f32>) -> Vec<f32> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mat_multiply_mat`
[INFO] [stderr]   --> src/math.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn mat_multiply_mat(vec: &Vec<Vec<f32>>, mat: &Vec<Vec<f32>>) -> Vec<Vec<f32>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mean_squared_error`
[INFO] [stderr]   --> src/math.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn mean_squared_error(vec1: &Vec<f32>, vec2: &Vec<f32>) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RELU`
[INFO] [stderr]  --> src/layers/dense.rs:1:51
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::activations::{ActivationFunc, Sigmoid, RELU};
[INFO] [stderr]   |                                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matrix_multiply_vec`
[INFO] [stderr]  --> src/math.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn matrix_multiply_vec(mat: &Vec<Vec<f32>>, vec: &Vec<f32>) -> Vec<f32> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rann-4336d3fa16690a44
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test activations::test::relu_compute ... ok
[INFO] [stdout] test math::test::mean_squared ... ok
[INFO] [stdout] test math::test::vec_mult_mat ... ok
[INFO] [stdout] test layers::dense::test::dense_multi_layer ... ok
[INFO] [stdout] test activations::test::sigmoid_compute_derivative ... ok
[INFO] [stdout] test rann::test::rann_dims ... ok
[INFO] [stdout] test activations::test::sigmoid_compute ... ok
[INFO] [stdout] test math::test::dot_product ... ok
[INFO] [stdout] test layers::dense::test::dense_single_layer ... ok
[INFO] [stdout] test activations::test::relu_compute_derivative ... ok
[INFO] [stdout] test rann::test::train_rann ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rann
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b836be743aae50f2a2b61e2711ea41dc401a4117269ca021c7f3f27332aee6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b836be743aae50f2a2b61e2711ea41dc401a4117269ca021c7f3f27332aee6a9", kill_on_drop: false }`
[INFO] [stdout] b836be743aae50f2a2b61e2711ea41dc401a4117269ca021c7f3f27332aee6a9