[INFO] crate cogent 0.1.2 is already in cache
[INFO] checking cogent-0.1.2 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate cogent 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cogent 0.1.2 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cogent 0.1.2
[INFO] finished tweaking crates.io crate cogent 0.1.2
[INFO] tweaked toml for crates.io crate cogent 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c023301010e66681331bddf51caf8cf34e5aaf8b6052afe279dbc73de04e43b
[INFO] running `"docker" "start" "-a" "4c023301010e66681331bddf51caf8cf34e5aaf8b6052afe279dbc73de04e43b"`
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking crossterm v0.14.2
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]     Checking ndarray_einsum_beta v0.5.0
[INFO] [stderr]     Checking cogent v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `quadratic_cost_derivative`
[INFO] [stderr]    --> src/lib.rs:888:16
[INFO] [stderr]     |
[INFO] [stderr] 888 |             fn quadratic_cost_derivative(outputs: &Array2<f32>, targets: &Array2<f32>) -> Array2<f32> {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `linear`
[INFO] [stderr]    --> src/lib.rs:935:16
[INFO] [stderr]     |
[INFO] [stderr] 935 |             fn linear(outputs: &Array2<f32>, targets: &Array2<f32>) -> Array1<f32> {
[INFO] [stderr]     |                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quadratic`
[INFO] [stderr]    --> src/lib.rs:939:16
[INFO] [stderr]     |
[INFO] [stderr] 939 |             fn quadratic(outputs: &Array2<f32>, targets: &Array2<f32>) -> f32 {
[INFO] [stderr]     |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quadratic_cost_derivative`
[INFO] [stderr]    --> src/lib.rs:888:16
[INFO] [stderr]     |
[INFO] [stderr] 888 |             fn quadratic_cost_derivative(outputs: &Array2<f32>, targets: &Array2<f32>) -> Array2<f32> {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `linear`
[INFO] [stderr]    --> src/lib.rs:935:16
[INFO] [stderr]     |
[INFO] [stderr] 935 |             fn linear(outputs: &Array2<f32>, targets: &Array2<f32>) -> Array1<f32> {
[INFO] [stderr]     |                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quadratic`
[INFO] [stderr]    --> src/lib.rs:939:16
[INFO] [stderr]     |
[INFO] [stderr] 939 |             fn quadratic(outputs: &Array2<f32>, targets: &Array2<f32>) -> f32 {
[INFO] [stderr]     |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.01s
[INFO] running `"docker" "inspect" "4c023301010e66681331bddf51caf8cf34e5aaf8b6052afe279dbc73de04e43b"`
[INFO] running `"docker" "rm" "-f" "4c023301010e66681331bddf51caf8cf34e5aaf8b6052afe279dbc73de04e43b"`
[INFO] [stdout] 4c023301010e66681331bddf51caf8cf34e5aaf8b6052afe279dbc73de04e43b