[INFO] cloning repository https://github.com/T0kers/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/T0kers/neural_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT0kers%2Fneural_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT0kers%2Fneural_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84da0100b6f5c48396fed04c5f01dbcdc24bbb65
[INFO] checking T0kers/neural_network against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT0kers%2Fneural_network" "/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/T0kers/neural_network
[INFO] finished tweaking git repo https://github.com/T0kers/neural_network
[INFO] tweaked toml for git repo https://github.com/T0kers/neural_network written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/T0kers/neural_network on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/T0kers/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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 91469ffc043734ce80fb65496e17202e143cf69da120781e160b7441c24fc2f3
[INFO] running `Command { std: "docker" "start" "91469ffc043734ce80fb65496e17202e143cf69da120781e160b7441c24fc2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "91469ffc043734ce80fb65496e17202e143cf69da120781e160b7441c24fc2f3" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91469ffc043734ce80fb65496e17202e143cf69da120781e160b7441c24fc2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "91469ffc043734ce80fb65496e17202e143cf69da120781e160b7441c24fc2f3" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.17
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking either v1.14.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking wide v0.7.32
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking flate2 v1.1.0
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking simba v0.9.0
[INFO] [stderr]     Checking nalgebra v0.33.2
[INFO] [stderr]     Checking neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/digits/mod.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::network::{self, Datapoint, Network, TrainingData};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `train_and_save_digit_network`
[INFO] [stdout]  --> src/main.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | use digits::{load_and_test_digit_network, train_and_save_digit_network};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/digits/mod.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::network::{self, Datapoint, Network, TrainingData};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `train_and_save_digit_network`
[INFO] [stdout]  --> src/main.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | use digits::{load_and_test_digit_network, train_and_save_digit_network};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `addition_test` is never used
[INFO] [stdout]   --> src/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn addition_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `addition_test` is never used
[INFO] [stdout]   --> src/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn addition_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.24s
[INFO] running `Command { std: "docker" "inspect" "91469ffc043734ce80fb65496e17202e143cf69da120781e160b7441c24fc2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91469ffc043734ce80fb65496e17202e143cf69da120781e160b7441c24fc2f3", kill_on_drop: false }`
[INFO] [stdout] 91469ffc043734ce80fb65496e17202e143cf69da120781e160b7441c24fc2f3