[INFO] updating cached repository https://github.com/bobisme/rustrnn
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25573dfa1c0223e4f9a2aa843b63132b139e904a
[INFO] testing bobisme/rustrnn against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobisme%2Frustrnn" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bobisme/rustrnn on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bobisme/rustrnn
[INFO] finished tweaking git repo https://github.com/bobisme/rustrnn
[INFO] tweaked toml for git repo https://github.com/bobisme/rustrnn written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/bobisme/rustrnn already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1c2b9c2c6bf1a265c2d06a211d07a31ce8f20240c4c4749abacc91cdd353b5f
[INFO] running `"docker" "start" "-a" "c1c2b9c2c6bf1a265c2d06a211d07a31ce8f20240c4c4749abacc91cdd353b5f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustrnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Layer`
[INFO] [stderr]  --> src/layer.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Layer {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/layer.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(input_size: usize, size: usize) -> Layer {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `size`
[INFO] [stderr]   --> src/layer.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn size(&self) -> usize {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `input_size`
[INFO] [stderr]   --> src/layer.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn input_size(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "c1c2b9c2c6bf1a265c2d06a211d07a31ce8f20240c4c4749abacc91cdd353b5f"`
[INFO] running `"docker" "rm" "-f" "c1c2b9c2c6bf1a265c2d06a211d07a31ce8f20240c4c4749abacc91cdd353b5f"`
[INFO] [stdout] c1c2b9c2c6bf1a265c2d06a211d07a31ce8f20240c4c4749abacc91cdd353b5f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 525b071dde2ad63b0c90ca3c2f120204b406f0aecd4ee778d295bae822067b1b
[INFO] running `"docker" "start" "-a" "525b071dde2ad63b0c90ca3c2f120204b406f0aecd4ee778d295bae822067b1b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustrnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/matrix.rs:440:13
[INFO] [stderr]     |
[INFO] [stderr] 440 |             m1 + &m2;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/matrix.rs:488:13
[INFO] [stderr]     |
[INFO] [stderr] 488 |             m1 - &m2;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "525b071dde2ad63b0c90ca3c2f120204b406f0aecd4ee778d295bae822067b1b"`
[INFO] running `"docker" "rm" "-f" "525b071dde2ad63b0c90ca3c2f120204b406f0aecd4ee778d295bae822067b1b"`
[INFO] [stdout] 525b071dde2ad63b0c90ca3c2f120204b406f0aecd4ee778d295bae822067b1b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91159a9fe46bc2d5a6b1880088d8dcb10bfcf793ee32a3c76eddc311544d2341
[INFO] running `"docker" "start" "-a" "91159a9fe46bc2d5a6b1880088d8dcb10bfcf793ee32a3c76eddc311544d2341"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/matrix.rs:440:13
[INFO] [stderr]     |
[INFO] [stderr] 440 |             m1 + &m2;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/matrix.rs:488:13
[INFO] [stderr]     |
[INFO] [stderr] 488 |             m1 - &m2;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustrnn-d4b47b4579f5367a
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test layer::tests::describe_new::it_creates_a_new_layer ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_be_transposed ... ok
[INFO] [stdout] test matrix::describe_matrix::elementwise_multiplying_two_matrices::it_can_multiply_two_matrices ... ok
[INFO] [stdout] test matrix::describe_matrix::adding_two_matrices::it_can_add_two_matrices ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_be_sigmoided ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_calculate_dot_product_with_dot ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_be_indexed ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_multiply_by_a_scalar ... ok
[INFO] [stdout] test matrix::describe_matrix::subtracting_two_matrices::it_can_subtract_two_matrices ... ok
[INFO] [stdout] test utils_tests::tests::describe_sigmoid::it_should_work ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_multiply_ref_and_ref ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_multiply_ref_and_struct ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_multiply_struct_and_struct ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_multiply_struct_and_ref ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_test_for_equivalence ... ok
[INFO] [stdout] test utils_tests::tests::test_sigmoid_derivative ... ok
[INFO] [stdout] test matrix::describe_matrix::adding_two_matrices::it_panics_if_the_matrices_arent_the_same_size ... ok
[INFO] [stdout] test matrix::describe_matrix::elementwise_multiplying_two_matrices::it_panics_if_the_matrices_arent_the_same_size ... ok
[INFO] [stdout] test matrix::describe_matrix::subtracting_two_matrices::it_panics_if_the_matrices_arent_the_same_size ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_panics_if_the_matrices_arent_the_right_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "91159a9fe46bc2d5a6b1880088d8dcb10bfcf793ee32a3c76eddc311544d2341"`
[INFO] running `"docker" "rm" "-f" "91159a9fe46bc2d5a6b1880088d8dcb10bfcf793ee32a3c76eddc311544d2341"`
[INFO] [stdout] 91159a9fe46bc2d5a6b1880088d8dcb10bfcf793ee32a3c76eddc311544d2341