[INFO] cloning repository https://github.com/felipevalerio/mnsit-classifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/felipevalerio/mnsit-classifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipevalerio%2Fmnsit-classifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipevalerio%2Fmnsit-classifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca50a0230706bc5bf97776a606e0339eb1908d4c
[INFO] checking felipevalerio/mnsit-classifier against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipevalerio%2Fmnsit-classifier" "/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/felipevalerio/mnsit-classifier
[INFO] finished tweaking git repo https://github.com/felipevalerio/mnsit-classifier
[INFO] tweaked toml for git repo https://github.com/felipevalerio/mnsit-classifier written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/felipevalerio/mnsit-classifier on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/felipevalerio/mnsit-classifier 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.8
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd7d4020f25ac4a901bd47ecd4824b5c7b09adebd8d688d9cc29cd38875cfcdf
[INFO] running `Command { std: "docker" "start" "-a" "dd7d4020f25ac4a901bd47ecd4824b5c7b09adebd8d688d9cc29cd38875cfcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd7d4020f25ac4a901bd47ecd4824b5c7b09adebd8d688d9cc29cd38875cfcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7d4020f25ac4a901bd47ecd4824b5c7b09adebd8d688d9cc29cd38875cfcdf", kill_on_drop: false }`
[INFO] [stdout] dd7d4020f25ac4a901bd47ecd4824b5c7b09adebd8d688d9cc29cd38875cfcdf
[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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e816ba80487c04e8431f043ecaaa8e85550216d208e4be905e6d6fcfa99436b1
[INFO] running `Command { std: "docker" "start" "-a" "e816ba80487c04e8431f043ecaaa8e85550216d208e4be905e6d6fcfa99436b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling built v0.7.5
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking avif-serialize v0.8.2
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking av1-grain v0.2.3
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling profiling-procmacros v1.0.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]     Checking profiling v1.0.16
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking ravif v0.11.11
[INFO] [stderr]     Checking image v0.25.5
[INFO] [stderr]     Checking mnist-classifier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DynamicImage`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImageView};
[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: `DynamicImage`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImageView};
[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: `GenericImageView`
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImageView};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericImageView`
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImageView};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixels`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let pixels: Vec<f32> = gray_img.pixels()
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixels`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let pixels: Vec<f32> = gray_img.pixels()
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "e816ba80487c04e8431f043ecaaa8e85550216d208e4be905e6d6fcfa99436b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e816ba80487c04e8431f043ecaaa8e85550216d208e4be905e6d6fcfa99436b1", kill_on_drop: false }`
[INFO] [stdout] e816ba80487c04e8431f043ecaaa8e85550216d208e4be905e6d6fcfa99436b1