[INFO] cloning repository https://github.com/xiaxiaoguang/RustForAI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaxiaoguang/RustForAI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaxiaoguang%2FRustForAI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaxiaoguang%2FRustForAI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8de4c228251cfcfe5e762a187aff5cf19ebb030
[INFO] checking xiaxiaoguang/RustForAI against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaxiaoguang%2FRustForAI" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xiaxiaoguang/RustForAI
[INFO] finished tweaking git repo https://github.com/xiaxiaoguang/RustForAI
[INFO] tweaked toml for git repo https://github.com/xiaxiaoguang/RustForAI written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xiaxiaoguang/RustForAI on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xiaxiaoguang/RustForAI 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd1a441abf6f8d59c8849bc1b6f2109a5a7b84e5498ded2803f792144af94604
[INFO] running `Command { std: "docker" "start" "-a" "dd1a441abf6f8d59c8849bc1b6f2109a5a7b84e5498ded2803f792144af94604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd1a441abf6f8d59c8849bc1b6f2109a5a7b84e5498ded2803f792144af94604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1a441abf6f8d59c8849bc1b6f2109a5a7b84e5498ded2803f792144af94604", kill_on_drop: false }`
[INFO] [stdout] dd1a441abf6f8d59c8849bc1b6f2109a5a7b84e5498ded2803f792144af94604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c287e106ebe00c848f0bdbd1ff33a80213e4378bdd7f22167afba18e5bffeb0
[INFO] running `Command { std: "docker" "start" "-a" "0c287e106ebe00c848f0bdbd1ff33a80213e4378bdd7f22167afba18e5bffeb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rust_for_ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `loss`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod loss;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `loss`, create file "src/loss.rs" or "src/loss/mod.rs"
[INFO] [stdout]   = note: if there is a `mod loss` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/layer/Linear.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/optimizer/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::layer::Forward`
[INFO] [stdout]  --> src/optimizer/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::layer::Forward;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `loss`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod loss;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `loss`, create file "src/loss.rs" or "src/loss/mod.rs"
[INFO] [stdout]   = note: if there is a `mod loss` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/layer/Linear.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/optimizer/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::layer::Forward`
[INFO] [stdout]  --> src/optimizer/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::layer::Forward;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::layer::Backward`
[INFO] [stdout]  --> src/optimizer/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::layer::Backward;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::layer::Backward`
[INFO] [stdout]  --> src/optimizer/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::layer::Backward;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/layer/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn forward(&mut self,x:&Array2<f32>)-> Array2<f32> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 27 |         self.forward(x)
[INFO] [stdout]    |         --------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/layer/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn backward(&mut self,x:&Array2<f32>) -> Array2<f32> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 33 |         self.backward(x)   
[INFO] [stdout]    |         ---------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/layer/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn sgd(&mut self,lr : f32,mm : f32) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 36 |         self.sgd(lr, mm)
[INFO] [stdout]    |         ---------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/layer/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn outrc(&self) -> Array2<f32> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 39 |         self.outrc()
[INFO] [stdout]    |         ------------ recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/layer/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn forward(&mut self,x:&Array2<f32>)-> Array2<f32> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 27 |         self.forward(x)
[INFO] [stdout]    |         --------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/layer/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn backward(&mut self,x:&Array2<f32>) -> Array2<f32> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 33 |         self.backward(x)   
[INFO] [stdout]    |         ---------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/layer/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn sgd(&mut self,lr : f32,mm : f32) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 36 |         self.sgd(lr, mm)
[INFO] [stdout]    |         ---------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/layer/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn outrc(&self) -> Array2<f32> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 39 |         self.outrc()
[INFO] [stdout]    |         ------------ recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_for_ai` (bin "rust_for_ai" test) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_for_ai` (bin "rust_for_ai") due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0c287e106ebe00c848f0bdbd1ff33a80213e4378bdd7f22167afba18e5bffeb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c287e106ebe00c848f0bdbd1ff33a80213e4378bdd7f22167afba18e5bffeb0", kill_on_drop: false }`
[INFO] [stdout] 0c287e106ebe00c848f0bdbd1ff33a80213e4378bdd7f22167afba18e5bffeb0