[INFO] cloning repository https://github.com/Aalanli/MonadicBackprop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aalanli/MonadicBackprop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAalanli%2FMonadicBackprop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAalanli%2FMonadicBackprop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ecda06525a1ecea542d264242d2554ef6075c59
[INFO] testing Aalanli/MonadicBackprop against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAalanli%2FMonadicBackprop" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aalanli/MonadicBackprop
[INFO] finished tweaking git repo https://github.com/Aalanli/MonadicBackprop
[INFO] tweaked toml for git repo https://github.com/Aalanli/MonadicBackprop written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aalanli/MonadicBackprop on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aalanli/MonadicBackprop 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95823adcba41040f0977470ad3fe5291c5481e999ec472629cf6b11268e97a2e
[INFO] running `Command { std: "docker" "start" "-a" "95823adcba41040f0977470ad3fe5291c5481e999ec472629cf6b11268e97a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95823adcba41040f0977470ad3fe5291c5481e999ec472629cf6b11268e97a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95823adcba41040f0977470ad3fe5291c5481e999ec472629cf6b11268e97a2e", kill_on_drop: false }`
[INFO] [stdout] 95823adcba41040f0977470ad3fe5291c5481e999ec472629cf6b11268e97a2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1b80761ad136fa6f98d02789f4a701a75dc09beac801c786da52290921abcfa
[INFO] running `Command { std: "docker" "start" "-a" "b1b80761ad136fa6f98d02789f4a701a75dc09beac801c786da52290921abcfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling MonadicBackprop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::Extend`
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | use std::iter::Extend;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:333:35
[INFO] [stdout]     |
[INFO] [stdout] 333 |     fn store_weight<D>(&mut self, s: StaticArrayId<D>) { todo!() }
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:334:36
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn store_grad<D, F>(&mut self, s: Array<F, D>) { todo!() }
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:335:36
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn get<D: Dimension, F>(&self, id: StaticArrayId<D>) -> &Array<F, D> { todo!() }
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/main.rs:336:38
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn alloc<D: Dimension, F>(&self, shape: <D as Dimension>::Pattern) -> (StaticArrayId<D>, &mut Array<F, D>) { todo!() }
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/main.rs:337:43
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn alloc_temp<D: Dimension, F>(&self, shape: <D as Dimension>::Pattern) -> (StaticArrayId<D>, &mut Array<F, D>) { todo!() }
[INFO] [stdout]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:339:36
[INFO] [stdout]     |
[INFO] [stdout] 339 |     fn dyn_store_weight(&mut self, s: ArrayId) { todo!() }
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:340:37
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn dyn_store_grad<F>(&mut self, s: ArrayD<F>) { todo!() }
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:341:26
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn dyn_get<F>(&self, id: ArrayId) -> &ArrayD<F> { todo!() }
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/main.rs:342:28
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn dyn_alloc<F>(&self, shape: &[usize]) -> (ArrayId, &mut ArrayD<F>) { todo!() }
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/main.rs:343:33
[INFO] [stdout]     |
[INFO] [stdout] 343 |     fn dyn_alloc_temp<F>(&self, shape: &[usize]) -> (ArrayId, &mut ArrayD<F>) { todo!() }    
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/main.rs:136:16
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn unroll(&'a mut self, grad: Self::Grad) -> (&mut [F], &[F]) {
[INFO] [stdout]     |                ^^                                 --------  ---- the lifetimes get resolved as `'a`
[INFO] [stdout]     |                |                                  |
[INFO] [stdout]     |                |                                  the lifetimes get resolved as `'a`
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn unroll(&'a mut self, grad: Self::Grad) -> (&'a mut [F], &'a [F]) {
[INFO] [stdout]     |                                                    ++           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.51s
[INFO] running `Command { std: "docker" "inspect" "b1b80761ad136fa6f98d02789f4a701a75dc09beac801c786da52290921abcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b80761ad136fa6f98d02789f4a701a75dc09beac801c786da52290921abcfa", kill_on_drop: false }`
[INFO] [stdout] b1b80761ad136fa6f98d02789f4a701a75dc09beac801c786da52290921abcfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af3194eee0d4ade7481ab81edd7bd9c3968838cfea122491a29c9418b96e22b0
[INFO] running `Command { std: "docker" "start" "-a" "af3194eee0d4ade7481ab81edd7bd9c3968838cfea122491a29c9418b96e22b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling MonadicBackprop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::Extend`
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | use std::iter::Extend;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:333:35
[INFO] [stdout]     |
[INFO] [stdout] 333 |     fn store_weight<D>(&mut self, s: StaticArrayId<D>) { todo!() }
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:334:36
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn store_grad<D, F>(&mut self, s: Array<F, D>) { todo!() }
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:335:36
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn get<D: Dimension, F>(&self, id: StaticArrayId<D>) -> &Array<F, D> { todo!() }
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/main.rs:336:38
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn alloc<D: Dimension, F>(&self, shape: <D as Dimension>::Pattern) -> (StaticArrayId<D>, &mut Array<F, D>) { todo!() }
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/main.rs:337:43
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn alloc_temp<D: Dimension, F>(&self, shape: <D as Dimension>::Pattern) -> (StaticArrayId<D>, &mut Array<F, D>) { todo!() }
[INFO] [stdout]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:339:36
[INFO] [stdout]     |
[INFO] [stdout] 339 |     fn dyn_store_weight(&mut self, s: ArrayId) { todo!() }
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:340:37
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn dyn_store_grad<F>(&mut self, s: ArrayD<F>) { todo!() }
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:341:26
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn dyn_get<F>(&self, id: ArrayId) -> &ArrayD<F> { todo!() }
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/main.rs:342:28
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn dyn_alloc<F>(&self, shape: &[usize]) -> (ArrayId, &mut ArrayD<F>) { todo!() }
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]    --> src/main.rs:343:33
[INFO] [stdout]     |
[INFO] [stdout] 343 |     fn dyn_alloc_temp<F>(&self, shape: &[usize]) -> (ArrayId, &mut ArrayD<F>) { todo!() }    
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/main.rs:136:16
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn unroll(&'a mut self, grad: Self::Grad) -> (&mut [F], &[F]) {
[INFO] [stdout]     |                ^^                                 --------  ---- the lifetimes get resolved as `'a`
[INFO] [stdout]     |                |                                  |
[INFO] [stdout]     |                |                                  the lifetimes get resolved as `'a`
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn unroll(&'a mut self, grad: Self::Grad) -> (&'a mut [F], &'a [F]) {
[INFO] [stdout]     |                                                    ++           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "af3194eee0d4ade7481ab81edd7bd9c3968838cfea122491a29c9418b96e22b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3194eee0d4ade7481ab81edd7bd9c3968838cfea122491a29c9418b96e22b0", kill_on_drop: false }`
[INFO] [stdout] af3194eee0d4ade7481ab81edd7bd9c3968838cfea122491a29c9418b96e22b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7761600e9fa23279e3aa32b6faf63d522afce676d9ca5740fd4bc2b8774d0598
[INFO] running `Command { std: "docker" "start" "-a" "7761600e9fa23279e3aa32b6faf63d522afce676d9ca5740fd4bc2b8774d0598", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::iter::Extend`
[INFO] [stderr]    --> src/main.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 | use std::iter::Extend;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:333:35
[INFO] [stderr]     |
[INFO] [stderr] 333 |     fn store_weight<D>(&mut self, s: StaticArrayId<D>) { todo!() }
[INFO] [stderr]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:334:36
[INFO] [stderr]     |
[INFO] [stderr] 334 |     fn store_grad<D, F>(&mut self, s: Array<F, D>) { todo!() }
[INFO] [stderr]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/main.rs:335:36
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn get<D: Dimension, F>(&self, id: StaticArrayId<D>) -> &Array<F, D> { todo!() }
[INFO] [stderr]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]    --> src/main.rs:336:38
[INFO] [stderr]     |
[INFO] [stderr] 336 |     fn alloc<D: Dimension, F>(&self, shape: <D as Dimension>::Pattern) -> (StaticArrayId<D>, &mut Array<F, D>) { todo!() }
[INFO] [stderr]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]    --> src/main.rs:337:43
[INFO] [stderr]     |
[INFO] [stderr] 337 |     fn alloc_temp<D: Dimension, F>(&self, shape: <D as Dimension>::Pattern) -> (StaticArrayId<D>, &mut Array<F, D>) { todo!() }
[INFO] [stderr]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:339:36
[INFO] [stderr]     |
[INFO] [stderr] 339 |     fn dyn_store_weight(&mut self, s: ArrayId) { todo!() }
[INFO] [stderr]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:340:37
[INFO] [stderr]     |
[INFO] [stderr] 340 |     fn dyn_store_grad<F>(&mut self, s: ArrayD<F>) { todo!() }
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/main.rs:341:26
[INFO] [stderr]     |
[INFO] [stderr] 341 |     fn dyn_get<F>(&self, id: ArrayId) -> &ArrayD<F> { todo!() }
[INFO] [stderr]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]    --> src/main.rs:342:28
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn dyn_alloc<F>(&self, shape: &[usize]) -> (ArrayId, &mut ArrayD<F>) { todo!() }
[INFO] [stderr]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]    --> src/main.rs:343:33
[INFO] [stderr]     |
[INFO] [stderr] 343 |     fn dyn_alloc_temp<F>(&self, shape: &[usize]) -> (ArrayId, &mut ArrayD<F>) { todo!() }    
[INFO] [stderr]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/main.rs:136:16
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn unroll(&'a mut self, grad: Self::Grad) -> (&mut [F], &[F]) {
[INFO] [stderr]     |                ^^                                 --------  ---- the lifetimes get resolved as `'a`
[INFO] [stderr]     |                |                                  |
[INFO] [stderr]     |                |                                  the lifetimes get resolved as `'a`
[INFO] [stderr]     |                this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn unroll(&'a mut self, grad: Self::Grad) -> (&'a mut [F], &'a [F]) {
[INFO] [stderr]     |                                                    ++           ++
[INFO] [stderr] 
[INFO] [stderr] warning: `MonadicBackprop` (bin "MonadicBackprop" test) generated 12 warnings (run `cargo fix --bin "MonadicBackprop" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/MonadicBackprop-22cfe4effa6a6cc4)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7761600e9fa23279e3aa32b6faf63d522afce676d9ca5740fd4bc2b8774d0598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7761600e9fa23279e3aa32b6faf63d522afce676d9ca5740fd4bc2b8774d0598", kill_on_drop: false }`
[INFO] [stdout] 7761600e9fa23279e3aa32b6faf63d522afce676d9ca5740fd4bc2b8774d0598
