[INFO] cloning repository https://github.com/bytesnake/erkenntnis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bytesnake/erkenntnis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbytesnake%2Ferkenntnis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbytesnake%2Ferkenntnis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f314b2134594016885f0b26599cb6c8355eee2bf
[INFO] testing bytesnake/erkenntnis against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbytesnake%2Ferkenntnis" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bytesnake/erkenntnis on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bytesnake/erkenntnis
[INFO] finished tweaking git repo https://github.com/bytesnake/erkenntnis
[INFO] tweaked toml for git repo https://github.com/bytesnake/erkenntnis written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/bytesnake/erkenntnis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b1df6b21a00572e94ab04fe51618ced46f08926b7d96c9875580cc69c7a5b49
[INFO] running `Command { std: "docker" "start" "-a" "5b1df6b21a00572e94ab04fe51618ced46f08926b7d96c9875580cc69c7a5b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b1df6b21a00572e94ab04fe51618ced46f08926b7d96c9875580cc69c7a5b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1df6b21a00572e94ab04fe51618ced46f08926b7d96c9875580cc69c7a5b49", kill_on_drop: false }`
[INFO] [stdout] 5b1df6b21a00572e94ab04fe51618ced46f08926b7d96c9875580cc69c7a5b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90183d0bab84e18e48e45ec33a5967b54b53f3ccc756c9b83ef53924450acbb9
[INFO] running `Command { std: "docker" "start" "-a" "90183d0bab84e18e48e45ec33a5967b54b53f3ccc756c9b83ef53924450acbb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tensor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `inputs`
[INFO] [stdout]   --> src/op.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     inputs: Vec<Tensor>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `graph`
[INFO] [stdout]   --> src/op.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     graph: Rc<RefCell<Graph>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `op`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     op: Box<dyn Op>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_nodes`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     input_nodes: Vec<Tensor>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/lib.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub(crate) fn add(&mut self, mut node: Node) -> usize {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "90183d0bab84e18e48e45ec33a5967b54b53f3ccc756c9b83ef53924450acbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90183d0bab84e18e48e45ec33a5967b54b53f3ccc756c9b83ef53924450acbb9", kill_on_drop: false }`
[INFO] [stdout] 90183d0bab84e18e48e45ec33a5967b54b53f3ccc756c9b83ef53924450acbb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 017253f52b60f1dbd47f7f749de25018c7137f0d290f75ceb184853e1805413e
[INFO] running `Command { std: "docker" "start" "-a" "017253f52b60f1dbd47f7f749de25018c7137f0d290f75ceb184853e1805413e", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `inputs`
[INFO] [stdout]   --> src/op.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     inputs: Vec<Tensor>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `graph`
[INFO] [stdout]   --> src/op.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     graph: Rc<RefCell<Graph>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `op`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     op: Box<dyn Op>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tensor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `input_nodes`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     input_nodes: Vec<Tensor>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/lib.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub(crate) fn add(&mut self, mut node: Node) -> usize {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Array2`
[INFO] [stdout]   --> src/lib.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let input = graph.load(Array2::zeros((5, 5))).await;
[INFO] [stdout]    |                                ^^^^^^ use of undeclared type `Array2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Array2`
[INFO] [stdout]   --> src/lib.rs:55:46
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let parameter = graph.load_trainable(Array2::zeros((5, 5))).await;
[INFO] [stdout]    |                                              ^^^^^^ use of undeclared type `Array2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `en`
[INFO] [stdout]   --> src/lib.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let graph = en::Graph::on_cpu();
[INFO] [stdout]    |                         ^^^^^ not found in `en`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use crate::Graph;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:54:54
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn it_works() {
[INFO] [stdout]    |        -------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 54 |         let input = graph.load(Array2::zeros((5, 5))).await;
[INFO] [stdout]    |                                                      ^^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:55:68
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn it_works() {
[INFO] [stdout]    |        -------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 55 |         let parameter = graph.load_trainable(Array2::zeros((5, 5))).await;
[INFO] [stdout]    |                                                                    ^^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn it_works() {
[INFO] [stdout]    |        -------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 63 |         let result = output.await;
[INFO] [stdout]    |                            ^^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0728.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tensor` due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "017253f52b60f1dbd47f7f749de25018c7137f0d290f75ceb184853e1805413e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017253f52b60f1dbd47f7f749de25018c7137f0d290f75ceb184853e1805413e", kill_on_drop: false }`
[INFO] [stdout] 017253f52b60f1dbd47f7f749de25018c7137f0d290f75ceb184853e1805413e