[INFO] cloning repository https://github.com/GamingLiamStudios/nnshit-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GamingLiamStudios/nnshit-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGamingLiamStudios%2Fnnshit-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGamingLiamStudios%2Fnnshit-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06cb48fd4f61a6cce01df2dbe9d517be75f2e2e1
[INFO] checking GamingLiamStudios/nnshit-rs against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGamingLiamStudios%2Fnnshit-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/GamingLiamStudios/nnshit-rs
[INFO] finished tweaking git repo https://github.com/GamingLiamStudios/nnshit-rs
[INFO] tweaked toml for git repo https://github.com/GamingLiamStudios/nnshit-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GamingLiamStudios/nnshit-rs on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GamingLiamStudios/nnshit-rs 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded blas-src v0.8.0
[INFO] [stderr]   Downloaded mnist v0.5.0
[INFO] [stderr]   Downloaded cmake v0.1.48
[INFO] [stderr]   Downloaded openblas-build v0.1.1
[INFO] [stderr]   Downloaded pbr v1.0.4
[INFO] [stderr]   Downloaded libm v0.2.5
[INFO] [stderr]   Downloaded curl-sys v0.4.56+curl-7.83.1
[INFO] [stderr]   Downloaded openblas-src v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a213a46b2b2b8f97db4a90c8790f6bf763e4fecc785928a5497ac76fa0fee6
[INFO] running `Command { std: "docker" "start" "-a" "a6a213a46b2b2b8f97db4a90c8790f6bf763e4fecc785928a5497ac76fa0fee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a213a46b2b2b8f97db4a90c8790f6bf763e4fecc785928a5497ac76fa0fee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a213a46b2b2b8f97db4a90c8790f6bf763e4fecc785928a5497ac76fa0fee6", kill_on_drop: false }`
[INFO] [stdout] a6a213a46b2b2b8f97db4a90c8790f6bf763e4fecc785928a5497ac76fa0fee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 492e933bac482758d045072967867e219b5e36bcee8fc63a1dfcc0d4bc116155
[INFO] running `Command { std: "docker" "start" "-a" "492e933bac482758d045072967867e219b5e36bcee8fc63a1dfcc0d4bc116155", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling curl-sys v0.4.56+curl-7.83.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking pbr v1.0.4
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling thiserror v1.0.32
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]    Compiling openblas-src v0.10.4
[INFO] [stderr]     Checking blas-src v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking mnist v0.5.0
[INFO] [stderr]     Checking nnshit_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_roundings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_roundings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/network/mod.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn back(&self, input: ndarray::Array1<f32>, expected: ndarray::Array1<f32>) {}
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]   --> src/network/mod.rs:89:53
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn back(&self, input: ndarray::Array1<f32>, expected: ndarray::Array1<f32>) {}
[INFO] [stdout]    |                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `learn_rate`
[INFO] [stdout]   --> src/network/mod.rs:95:77
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn train(&self, mut train_data: Vec<MnistImage>, batch_size: usize, learn_rate: f32) {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learn_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]   --> src/network/mod.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         for batch in train_data.chunks(batch_size).into_iter() {}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/network/mod.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn back(&self, input: ndarray::Array1<f32>, expected: ndarray::Array1<f32>) {}
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]   --> src/network/mod.rs:89:53
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn back(&self, input: ndarray::Array1<f32>, expected: ndarray::Array1<f32>) {}
[INFO] [stdout]    |                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `learn_rate`
[INFO] [stdout]   --> src/network/mod.rs:95:77
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn train(&self, mut train_data: Vec<MnistImage>, batch_size: usize, learn_rate: f32) {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learn_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]   --> src/network/mod.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         for batch in train_data.chunks(batch_size).into_iter() {}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nnshit_rust` (bin "nnshit_rust") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nnshit_rust` (bin "nnshit_rust" test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "492e933bac482758d045072967867e219b5e36bcee8fc63a1dfcc0d4bc116155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492e933bac482758d045072967867e219b5e36bcee8fc63a1dfcc0d4bc116155", kill_on_drop: false }`
[INFO] [stdout] 492e933bac482758d045072967867e219b5e36bcee8fc63a1dfcc0d4bc116155
