[INFO] cloning repository https://github.com/corka149/simple_neural_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corka149/simple_neural_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorka149%2Fsimple_neural_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorka149%2Fsimple_neural_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a84a0fbfb7483b1e8f59e1e7e0278565251d61ca
[INFO] checking corka149/simple_neural_network against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorka149%2Fsimple_neural_network" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corka149/simple_neural_network on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/corka149/simple_neural_network
[INFO] finished tweaking git repo https://github.com/corka149/simple_neural_network
[INFO] tweaked toml for git repo https://github.com/corka149/simple_neural_network written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/corka149/simple_neural_network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 936dcf553b92429a7732d8454ccc9691e45e33fc9853e4a1b27aa6d459f72ff2
[INFO] running `Command { std: "docker" "start" "-a" "936dcf553b92429a7732d8454ccc9691e45e33fc9853e4a1b27aa6d459f72ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "936dcf553b92429a7732d8454ccc9691e45e33fc9853e4a1b27aa6d459f72ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936dcf553b92429a7732d8454ccc9691e45e33fc9853e4a1b27aa6d459f72ff2", kill_on_drop: false }`
[INFO] [stdout] 936dcf553b92429a7732d8454ccc9691e45e33fc9853e4a1b27aa6d459f72ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f18c0d675945b86c2e18c34d034f0cff4daa07604661a840e18c8ccdf361d9e
[INFO] running `Command { std: "docker" "start" "-a" "9f18c0d675945b86c2e18c34d034f0cff4daa07604661a840e18c8ccdf361d9e", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking neural_network v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `transpose_matrix` in this scope
[INFO] [stdout]    --> src/matrix/math.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let new_a = transpose_matrix(&a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `len` found for struct `matrix::Matrix` in the current scope
[INFO] [stdout]    --> src/matrix/mod.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 6   | pub struct Matrix {
[INFO] [stdout]     | ----------------- method `len` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 155 |         assert_eq!(vec.len(), 4);
[INFO] [stdout]     |                        ^^^ method not found in `Matrix`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `len`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `ExactSizeIterator`
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]     |
[INFO] [stdout] 155 |         assert_eq!(vec.data_container.len(), 4);
[INFO] [stdout]     |                        +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `matrix::Matrix`
[INFO] [stdout]    --> src/matrix/mod.rs:156:23
[INFO] [stdout]     |
[INFO] [stdout] 156 |         assert_eq!(vec[0].len(), 3);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `input_nodes` on type `NeuralNetwork<{closure@src/lib.rs:134:51: 134:54}>`
[INFO] [stdout]    --> src/lib.rs:136:23
[INFO] [stdout]     |
[INFO] [stdout] 136 |         assert_eq!(nn.input_nodes, 3);
[INFO] [stdout]     |                       ^^^^^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `learning_rate`, `activation_function`, `wih`, `who`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `hidden_nodes` on type `NeuralNetwork<{closure@src/lib.rs:134:51: 134:54}>`
[INFO] [stdout]    --> src/lib.rs:137:23
[INFO] [stdout]     |
[INFO] [stdout] 137 |         assert_eq!(nn.hidden_nodes, 3);
[INFO] [stdout]     |                       ^^^^^^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `learning_rate`, `activation_function`, `wih`, `who`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `output_nodes` on type `NeuralNetwork<{closure@src/lib.rs:134:51: 134:54}>`
[INFO] [stdout]    --> src/lib.rs:138:23
[INFO] [stdout]     |
[INFO] [stdout] 138 |         assert_eq!(nn.output_nodes, 3);
[INFO] [stdout]     |                       ^^^^^^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `learning_rate`, `activation_function`, `wih`, `who`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599, E0608, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neural_network` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "9f18c0d675945b86c2e18c34d034f0cff4daa07604661a840e18c8ccdf361d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f18c0d675945b86c2e18c34d034f0cff4daa07604661a840e18c8ccdf361d9e", kill_on_drop: false }`
[INFO] [stdout] 9f18c0d675945b86c2e18c34d034f0cff4daa07604661a840e18c8ccdf361d9e