[INFO] cloning repository https://github.com/Krahos/neural_networks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Krahos/neural_networks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrahos%2Fneural_networks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrahos%2Fneural_networks'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 964ead09bb9f6132082018a23c11923e6169deb3 [INFO] checking Krahos/neural_networks against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrahos%2Fneural_networks" "/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/Krahos/neural_networks on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Krahos/neural_networks [INFO] finished tweaking git repo https://github.com/Krahos/neural_networks [INFO] tweaked toml for git repo https://github.com/Krahos/neural_networks written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Krahos/neural_networks already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d0b28460d58a471255ed4562a64094f2a6d7dac756bd92e13a7d0b8bc8bccf7 [INFO] running `Command { std: "docker" "start" "-a" "5d0b28460d58a471255ed4562a64094f2a6d7dac756bd92e13a7d0b8bc8bccf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d0b28460d58a471255ed4562a64094f2a6d7dac756bd92e13a7d0b8bc8bccf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d0b28460d58a471255ed4562a64094f2a6d7dac756bd92e13a7d0b8bc8bccf7", kill_on_drop: false }` [INFO] [stdout] 5d0b28460d58a471255ed4562a64094f2a6d7dac756bd92e13a7d0b8bc8bccf7 [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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2dea6968498352453ba510005c1bfa57e340e53f5c279e9996bcc444b24c09d [INFO] running `Command { std: "docker" "start" "-a" "b2dea6968498352453ba510005c1bfa57e340e53f5c279e9996bcc444b24c09d", kill_on_drop: false }` [INFO] [stderr] Checking neural_networks v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0425]: cannot find value `expected_outputs` in this scope [INFO] [stdout] --> src/neural_network.rs:86:77 [INFO] [stdout] | [INFO] [stdout] 86 | let delta = cost_derivative(sigmoid_outputs[sigmoid_outputs.len()], expected_outputs) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `expected_outputs` in this scope [INFO] [stdout] --> src/neural_network.rs:86:77 [INFO] [stdout] | [INFO] [stdout] 86 | let delta = cost_derivative(sigmoid_outputs[sigmoid_outputs.len()], expected_outputs) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `usize: Neg` is not satisfied [INFO] [stdout] --> src/neural_network.rs:87:50 [INFO] [stdout] | [INFO] [stdout] 87 | * sigmoid_derivative(sigmoid_outputs[-1]); [INFO] [stdout] | ^^ the trait `Neg` is not implemented for `usize` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/neural_network.rs:87:34 [INFO] [stdout] | [INFO] [stdout] 87 | * sigmoid_derivative(sigmoid_outputs[-1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ expected `f64`, found `&Vec` [INFO] [stdout] | [INFO] [stdout] = note: expected type `f64` [INFO] [stdout] found reference `&Vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0369]: cannot multiply `Vec` by `f64` [INFO] [stdout] --> src/neural_network.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 86 | let delta = cost_derivative(sigmoid_outputs[sigmoid_outputs.len()], expected_outputs) [INFO] [stdout] | ------------------------------------------------------------------------- Vec [INFO] [stdout] 87 | * sigmoid_derivative(sigmoid_outputs[-1]); [INFO] [stdout] | ^ --------------------------------------- f64 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/neural_network.rs:89:16 [INFO] [stdout] | [INFO] [stdout] 62 | ) -> Result<(Vec, Vec), String> { [INFO] [stdout] | ------------------------------------ expected `Result<(Vec, Vec), String>` because of return type [INFO] [stdout] ... [INFO] [stdout] 89 | return (nabla_b, nabla_w); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ expected enum `Result`, found tuple [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result<(Vec, Vec), String>` [INFO] [stdout] found tuple `(Vec>, Vec>)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0369, E0425. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `neural_networks` due to 6 previous errors [INFO] [stdout] error[E0277]: the trait bound `usize: Neg` is not satisfied [INFO] [stdout] --> src/neural_network.rs:87:50 [INFO] [stdout] | [INFO] [stdout] 87 | * sigmoid_derivative(sigmoid_outputs[-1]); [INFO] [stdout] | ^^ the trait `Neg` is not implemented for `usize` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/neural_network.rs:87:34 [INFO] [stdout] | [INFO] [stdout] 87 | * sigmoid_derivative(sigmoid_outputs[-1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ expected `f64`, found `&Vec` [INFO] [stdout] | [INFO] [stdout] = note: expected type `f64` [INFO] [stdout] found reference `&Vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0369]: cannot multiply `Vec` by `f64` [INFO] [stdout] --> src/neural_network.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 86 | let delta = cost_derivative(sigmoid_outputs[sigmoid_outputs.len()], expected_outputs) [INFO] [stdout] | ------------------------------------------------------------------------- Vec [INFO] [stdout] 87 | * sigmoid_derivative(sigmoid_outputs[-1]); [INFO] [stdout] | ^ --------------------------------------- f64 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/neural_network.rs:89:16 [INFO] [stdout] | [INFO] [stdout] 62 | ) -> Result<(Vec, Vec), String> { [INFO] [stdout] | ------------------------------------ expected `Result<(Vec, Vec), String>` because of return type [INFO] [stdout] ... [INFO] [stdout] 89 | return (nabla_b, nabla_w); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ expected enum `Result`, found tuple [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result<(Vec, Vec), String>` [INFO] [stdout] found tuple `(Vec>, Vec>)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0369, E0425. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b2dea6968498352453ba510005c1bfa57e340e53f5c279e9996bcc444b24c09d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2dea6968498352453ba510005c1bfa57e340e53f5c279e9996bcc444b24c09d", kill_on_drop: false }` [INFO] [stdout] b2dea6968498352453ba510005c1bfa57e340e53f5c279e9996bcc444b24c09d