[INFO] fetching crate rann 0.1.2...
[INFO] checking rann-0.1.2 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate rann 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rann 0.1.2 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", 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] 142b84f820c7b2b246505024a1b8d7fdb1560247a11a2a0e77d0521a0567c6b0
[INFO] running `Command { std: "docker" "start" "-a" "142b84f820c7b2b246505024a1b8d7fdb1560247a11a2a0e77d0521a0567c6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "142b84f820c7b2b246505024a1b8d7fdb1560247a11a2a0e77d0521a0567c6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142b84f820c7b2b246505024a1b8d7fdb1560247a11a2a0e77d0521a0567c6b0", kill_on_drop: false }`
[INFO] [stdout] 142b84f820c7b2b246505024a1b8d7fdb1560247a11a2a0e77d0521a0567c6b0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff9016a959626c4f2f95a0eedd123cd9a9b54495ad97a611fb2916c63595b19
[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" "eff9016a959626c4f2f95a0eedd123cd9a9b54495ad97a611fb2916c63595b19", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking 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: 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: 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: 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 dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "eff9016a959626c4f2f95a0eedd123cd9a9b54495ad97a611fb2916c63595b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff9016a959626c4f2f95a0eedd123cd9a9b54495ad97a611fb2916c63595b19", kill_on_drop: false }`
[INFO] [stdout] eff9016a959626c4f2f95a0eedd123cd9a9b54495ad97a611fb2916c63595b19