[INFO] fetching crate rann 0.1.2...
[INFO] testing rann-0.1.2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate rann 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rann 0.1.2 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98b46c15bb9d252cd830e618384ff22bcab735a46e9e5851e31a4815da794458
[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" "98b46c15bb9d252cd830e618384ff22bcab735a46e9e5851e31a4815da794458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98b46c15bb9d252cd830e618384ff22bcab735a46e9e5851e31a4815da794458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b46c15bb9d252cd830e618384ff22bcab735a46e9e5851e31a4815da794458", kill_on_drop: false }`
[INFO] [stdout] 98b46c15bb9d252cd830e618384ff22bcab735a46e9e5851e31a4815da794458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--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] 02a327d3e478390a8f652e9645ebba09b02787601f8248d95360064f6a62a533
[INFO] running `Command { std: "docker" "start" "-a" "02a327d3e478390a8f652e9645ebba09b02787601f8248d95360064f6a62a533", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[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 3.49s
[INFO] running `Command { std: "docker" "inspect" "02a327d3e478390a8f652e9645ebba09b02787601f8248d95360064f6a62a533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a327d3e478390a8f652e9645ebba09b02787601f8248d95360064f6a62a533", kill_on_drop: false }`
[INFO] [stdout] 02a327d3e478390a8f652e9645ebba09b02787601f8248d95360064f6a62a533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--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] 84b1c1dcdd4f3a16bf3f80f9c618c2aec78f2ee826b10bbd30a15e7558af5c27
[INFO] running `Command { std: "docker" "start" "-a" "84b1c1dcdd4f3a16bf3f80f9c618c2aec78f2ee826b10bbd30a15e7558af5c27", kill_on_drop: false }`
[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] [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 1.37s
[INFO] running `Command { std: "docker" "inspect" "84b1c1dcdd4f3a16bf3f80f9c618c2aec78f2ee826b10bbd30a15e7558af5c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b1c1dcdd4f3a16bf3f80f9c618c2aec78f2ee826b10bbd30a15e7558af5c27", kill_on_drop: false }`
[INFO] [stdout] 84b1c1dcdd4f3a16bf3f80f9c618c2aec78f2ee826b10bbd30a15e7558af5c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] e805a142fd32e290f4879427d64ceab459c6d073603686400b25d0bf3e9e221d
[INFO] running `Command { std: "docker" "start" "-a" "e805a142fd32e290f4879427d64ceab459c6d073603686400b25d0bf3e9e221d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `RELU`, `Sigmoid`
[INFO] [stdout] running 11 tests
[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: 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: `rann` (lib) generated 4 warnings
[INFO] [stderr] warning: `rann` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rann-ebaade263c9fafe8)
[INFO] [stdout] test rann::test::rann_dims ... ok
[INFO] [stdout] test activations::test::relu_compute_derivative ... ok
[INFO] [stdout] test math::test::mean_squared ... ok
[INFO] [stdout] test math::test::vec_mult_mat ... ok
[INFO] [stdout] test activations::test::sigmoid_compute ... ok
[INFO] [stdout] test math::test::dot_product ... ok
[INFO] [stdout] test activations::test::relu_compute ... ok
[INFO] [stdout] test layers::dense::test::dense_multi_layer ... ok
[INFO] [stdout] test activations::test::sigmoid_compute_derivative ... ok
[INFO] [stdout] test layers::dense::test::dense_single_layer ... 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 0.08s
[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" "e805a142fd32e290f4879427d64ceab459c6d073603686400b25d0bf3e9e221d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e805a142fd32e290f4879427d64ceab459c6d073603686400b25d0bf3e9e221d", kill_on_drop: false }`
[INFO] [stdout] e805a142fd32e290f4879427d64ceab459c6d073603686400b25d0bf3e9e221d