[INFO] cloning repository https://github.com/bobisme/rustrnn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bobisme/rustrnn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobisme%2Frustrnn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobisme%2Frustrnn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25573dfa1c0223e4f9a2aa843b63132b139e904a
[INFO] testing bobisme/rustrnn against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobisme%2Frustrnn" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bobisme/rustrnn on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/bobisme/rustrnn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa4aa671471b0ec1d074db0f14544eba230f48033ec3a89c9bb0ccc1ac9dc14a
[INFO] running `Command { std: "docker" "start" "-a" "fa4aa671471b0ec1d074db0f14544eba230f48033ec3a89c9bb0ccc1ac9dc14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa4aa671471b0ec1d074db0f14544eba230f48033ec3a89c9bb0ccc1ac9dc14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4aa671471b0ec1d074db0f14544eba230f48033ec3a89c9bb0ccc1ac9dc14a", kill_on_drop: false }`
[INFO] [stdout] fa4aa671471b0ec1d074db0f14544eba230f48033ec3a89c9bb0ccc1ac9dc14a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e8d348c27990cdd2817fa5ee6863c22e242acb872052aff9fdb232c58fec7d
[INFO] running `Command { std: "docker" "start" "-a" "95e8d348c27990cdd2817fa5ee6863c22e242acb872052aff9fdb232c58fec7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling rustrnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Layer`
[INFO] [stdout]  --> src/layer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/layer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(input_size: usize, size: usize) -> Layer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/layer.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `input_size`
[INFO] [stdout]   --> src/layer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn input_size(&self) -> usize {
[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 2.88s
[INFO] running `Command { std: "docker" "inspect" "95e8d348c27990cdd2817fa5ee6863c22e242acb872052aff9fdb232c58fec7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e8d348c27990cdd2817fa5ee6863c22e242acb872052aff9fdb232c58fec7d", kill_on_drop: false }`
[INFO] [stdout] 95e8d348c27990cdd2817fa5ee6863c22e242acb872052aff9fdb232c58fec7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39e170d3b901d9746c72025943517b93401eaf3ec1ec0c65b2c5b931aabfcfe1
[INFO] running `Command { std: "docker" "start" "-a" "39e170d3b901d9746c72025943517b93401eaf3ec1ec0c65b2c5b931aabfcfe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustrnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/matrix.rs:440:13
[INFO] [stdout]     |
[INFO] [stdout] 440 |             m1 + &m2;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/matrix.rs:488:13
[INFO] [stdout]     |
[INFO] [stdout] 488 |             m1 - &m2;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "39e170d3b901d9746c72025943517b93401eaf3ec1ec0c65b2c5b931aabfcfe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e170d3b901d9746c72025943517b93401eaf3ec1ec0c65b2c5b931aabfcfe1", kill_on_drop: false }`
[INFO] [stdout] 39e170d3b901d9746c72025943517b93401eaf3ec1ec0c65b2c5b931aabfcfe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2b34518eba0fdba9ced92ea3b5ad610a13b9ba3fa866e3a684ff5584657ba9e
[INFO] running `Command { std: "docker" "start" "-a" "d2b34518eba0fdba9ced92ea3b5ad610a13b9ba3fa866e3a684ff5584657ba9e", kill_on_drop: false }`
[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 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustrnn-024f379986e443ee)
[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::elementwise_multiplying_two_matrices::it_can_multiply_two_matrices ... 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 matrix::describe_matrix::it_can_be_indexed ... 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_calculate_dot_product_with_dot ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_be_transposed ... 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_be_sigmoided ... 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_struct_and_struct ... ok
[INFO] [stdout] test utils_tests::tests::test_sigmoid_derivative ... ok
[INFO] [stdout] test matrix::describe_matrix::multiplying_two_matricies::it_can_multiply_ref_and_ref ... ok
[INFO] [stdout] test matrix::describe_matrix::adding_two_matrices::it_can_add_two_matrices ... ok
[INFO] [stdout] test matrix::describe_matrix::it_can_test_for_equivalence ... 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; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d2b34518eba0fdba9ced92ea3b5ad610a13b9ba3fa866e3a684ff5584657ba9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b34518eba0fdba9ced92ea3b5ad610a13b9ba3fa866e3a684ff5584657ba9e", kill_on_drop: false }`
[INFO] [stdout] d2b34518eba0fdba9ced92ea3b5ad610a13b9ba3fa866e3a684ff5584657ba9e