[INFO] updating cached repository https://github.com/connorcl/rust-nn
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a82b48e87f0b43018671d601407a52e0a52f6fe
[INFO] testing connorcl/rust-nn against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorcl%2Frust-nn" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorcl/rust-nn on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/connorcl/rust-nn
[INFO] finished tweaking git repo https://github.com/connorcl/rust-nn
[INFO] tweaked toml for git repo https://github.com/connorcl/rust-nn written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/connorcl/rust-nn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f95ae97682e039704a5b065ab07aea36ddb15ae7697accf468d03a465e443b81
[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" "f95ae97682e039704a5b065ab07aea36ddb15ae7697accf468d03a465e443b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f95ae97682e039704a5b065ab07aea36ddb15ae7697accf468d03a465e443b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95ae97682e039704a5b065ab07aea36ddb15ae7697accf468d03a465e443b81", kill_on_drop: false }`
[INFO] [stdout] f95ae97682e039704a5b065ab07aea36ddb15ae7697accf468d03a465e443b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c691b4435eae452500e6e79c9b3f85b19b25aa7cae9533b277473d72cb868fb9
[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" "c691b4435eae452500e6e79c9b3f85b19b25aa7cae9533b277473d72cb868fb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling neural_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "c691b4435eae452500e6e79c9b3f85b19b25aa7cae9533b277473d72cb868fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c691b4435eae452500e6e79c9b3f85b19b25aa7cae9533b277473d72cb868fb9", kill_on_drop: false }`
[INFO] [stdout] c691b4435eae452500e6e79c9b3f85b19b25aa7cae9533b277473d72cb868fb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd4251768761d7dfad14a37092ebf7239529451d5fcec7417d229396936535ab
[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" "dd4251768761d7dfad14a37092ebf7239529451d5fcec7417d229396936535ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/dataset.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         for i in 0..2 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/dataset.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             for m in dataset.iter() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "dd4251768761d7dfad14a37092ebf7239529451d5fcec7417d229396936535ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4251768761d7dfad14a37092ebf7239529451d5fcec7417d229396936535ab", kill_on_drop: false }`
[INFO] [stdout] dd4251768761d7dfad14a37092ebf7239529451d5fcec7417d229396936535ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3870e2d8334263330f72d0f5ba268cf44f4fcd2e26774becc316d5e1777f42ad
[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" "3870e2d8334263330f72d0f5ba268cf44f4fcd2e26774becc316d5e1777f42ad", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/dataset.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |         for i in 0..2 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/dataset.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 |             for m in dataset.iter() {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/neural_net-e6b1780d9f25bb35
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test linear_algebra::tests::element_modification ... ok
[INFO] [stdout] test linear_algebra::tests::element_access ... ok
[INFO] [stdout] test linear_algebra::tests::coord_index_conversion ... ok
[INFO] [stdout] test linear_algebra::tests::create_from_vector ... ok
[INFO] [stdout] test linear_algebra::tests::elementwise_addition ... ok
[INFO] [stdout] test linear_algebra::tests::gradient_descent ... ok
[INFO] [stdout] test linear_algebra::tests::initial_cols ... ok
[INFO] [stdout] test linear_algebra::tests::initial_data_len ... ok
[INFO] [stdout] test linear_algebra::tests::initial_rows ... ok
[INFO] [stdout] test linear_algebra::tests::initialize_gradients ... ok
[INFO] [stdout] test linear_algebra::tests::matrix_multiply ... ok
[INFO] [stdout] test linear_algebra::tests::matrix_transposition ... ok
[INFO] [stdout] test layers::tests::linear_forward ... ok
[INFO] [stdout] test layers::tests::linear_backward ... ok
[INFO] [stdout] test dataset::tests::data_loading ... ok
[INFO] [stdout] test dataset::tests::dataset_iteration ... ok
[INFO] [stdout] test linear_algebra::tests::elementwise_add_wrong_size ... ok
[INFO] [stdout] test linear_algebra::tests::create_from_invalid_vector ... ok
[INFO] [stdout] test linear_algebra::tests::matrix_multiply_wrong_size ... ok
[INFO] [stdout] test linear_algebra::tests::out_of_bounds_access ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/neural_net-61d5020ca7fa397a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neural_net
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3870e2d8334263330f72d0f5ba268cf44f4fcd2e26774becc316d5e1777f42ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3870e2d8334263330f72d0f5ba268cf44f4fcd2e26774becc316d5e1777f42ad", kill_on_drop: false }`
[INFO] [stdout] 3870e2d8334263330f72d0f5ba268cf44f4fcd2e26774becc316d5e1777f42ad