[INFO] fetching crate rann 0.1.2...
[INFO] testing rann-0.1.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate rann 0.1.2 into /workspace/builds/worker-5-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rann 0.1.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8030882b0ed89f5e9efaadf66056eb11cd71a7fec8894d240212dc91b9a9e72f
[INFO] running `Command { std: "docker" "start" "-a" "8030882b0ed89f5e9efaadf66056eb11cd71a7fec8894d240212dc91b9a9e72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8030882b0ed89f5e9efaadf66056eb11cd71a7fec8894d240212dc91b9a9e72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8030882b0ed89f5e9efaadf66056eb11cd71a7fec8894d240212dc91b9a9e72f", kill_on_drop: false }`
[INFO] [stdout] 8030882b0ed89f5e9efaadf66056eb11cd71a7fec8894d240212dc91b9a9e72f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4225e897e449210995b74895ed9441ade8a7d3986d9b452682d2406961f0601c
[INFO] running `Command { std: "docker" "start" "-a" "4225e897e449210995b74895ed9441ade8a7d3986d9b452682d2406961f0601c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[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` and `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 `matrix_multiply_vec` is never used
[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 `mat_multiply_mat` is never used
[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 `mean_squared_error` is never used
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "4225e897e449210995b74895ed9441ade8a7d3986d9b452682d2406961f0601c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4225e897e449210995b74895ed9441ade8a7d3986d9b452682d2406961f0601c", kill_on_drop: false }`
[INFO] [stdout] 4225e897e449210995b74895ed9441ade8a7d3986d9b452682d2406961f0601c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e88216c06e174b36d438d50e24cb69ef5484274c0ea0b22d31ed618908639b3
[INFO] running `Command { std: "docker" "start" "-a" "7e88216c06e174b36d438d50e24cb69ef5484274c0ea0b22d31ed618908639b3", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `RELU` and `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 `matrix_multiply_vec` is never used
[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 `mat_multiply_mat` is never used
[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] [stderr]    Compiling rann v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `mean_squared_error` is never used
[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: 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 `matrix_multiply_vec` is never used
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "7e88216c06e174b36d438d50e24cb69ef5484274c0ea0b22d31ed618908639b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e88216c06e174b36d438d50e24cb69ef5484274c0ea0b22d31ed618908639b3", kill_on_drop: false }`
[INFO] [stdout] 7e88216c06e174b36d438d50e24cb69ef5484274c0ea0b22d31ed618908639b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fef7921df2efa34658ee2e939c4440576648da54a8e2e7b8d57a3393fb99f5be
[INFO] running `Command { std: "docker" "start" "-a" "fef7921df2efa34658ee2e939c4440576648da54a8e2e7b8d57a3393fb99f5be", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `RELU` and `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 `matrix_multiply_vec` is never used
[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 `mat_multiply_mat` is never used
[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 `mean_squared_error` is never used
[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 (run `cargo fix --lib -p rann` to apply 1 suggestion)
[INFO] [stderr] warning: `rann` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p rann --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rann-ed05e9eb44311420)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test activations::test::relu_compute ... ok
[INFO] [stdout] test activations::test::sigmoid_compute ... ok
[INFO] [stdout] test activations::test::relu_compute_derivative ... ok
[INFO] [stdout] test math::test::dot_product ... ok
[INFO] [stdout] test layers::dense::test::dense_multi_layer ... ok
[INFO] [stdout] test layers::dense::test::dense_single_layer ... ok
[INFO] [stdout] test activations::test::sigmoid_compute_derivative ... ok
[INFO] [stdout] test math::test::vec_mult_mat ... ok
[INFO] [stdout] test math::test::mean_squared ... ok
[INFO] [stdout] test rann::test::rann_dims ... ok
[INFO] [stderr]    Doc-tests rann
[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 0.02s
[INFO] [stdout] 
[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" "fef7921df2efa34658ee2e939c4440576648da54a8e2e7b8d57a3393fb99f5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef7921df2efa34658ee2e939c4440576648da54a8e2e7b8d57a3393fb99f5be", kill_on_drop: false }`
[INFO] [stdout] fef7921df2efa34658ee2e939c4440576648da54a8e2e7b8d57a3393fb99f5be