[INFO] cloning repository https://github.com/sdunifon/rusty-neural-net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdunifon/rusty-neural-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2Frusty-neural-net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2Frusty-neural-net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5c536d27461bf8d2c819591d3661f70e4b1ff9d
[INFO] checking sdunifon/rusty-neural-net/a5c536d27461bf8d2c819591d3661f70e4b1ff9d against master#4068bafedd8ba724e332a5221c06a6fa531a30d2 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2Frusty-neural-net" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sdunifon/rusty-neural-net
[INFO] finished tweaking git repo https://github.com/sdunifon/rusty-neural-net
[INFO] tweaked toml for git repo https://github.com/sdunifon/rusty-neural-net written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdunifon/rusty-neural-net on toolchain 4068bafedd8ba724e332a5221c06a6fa531a30d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdunifon/rusty-neural-net 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" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/profiles.html#strip-option for more information about using this feature.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7d89df9ed92aa1af15c0aece538731639018c4190d35b4069413c9e41d5a865
[INFO] running `Command { std: "docker" "start" "-a" "b7d89df9ed92aa1af15c0aece538731639018c4190d35b4069413c9e41d5a865", kill_on_drop: false }`
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[INFO] [stdout] 8b3dc3faa5a6756669916a722bfc3fd920cd3b0ec874ce3f6a6851ccd43a02ce
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[INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/profiles.html#strip-option for more information about using this feature.
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.9.1
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking rusty-neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Graph`
[INFO] [stdout]  --> src/graph/training.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::Graph;
[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: `super::*`
[INFO] [stdout]   --> src/graph.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/input/input_image.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |             image::Luma([self[(x as usize + (y as usize * W))]])
[INFO] [stdout]    |                               ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             image::Luma([self[(x as usize + (y as usize * W))]])
[INFO] [stdout] 40 +             image::Luma([self[x as usize + (y as usize * W) ]])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/network.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::pending`
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use std::future::pending;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_arg_infer` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_arg_infer)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericImageView`
[INFO] [stdout]  --> src/input/input_image.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{GenericImageView, ImageBuffer, Luma};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Graph`
[INFO] [stdout]  --> src/graph/training.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::Graph;
[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: `path::Path`
[INFO] [stdout]  --> src/input/input_image.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ops::Index, path::Path};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::InputFile`
[INFO] [stdout]  --> src/input/input_image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::InputFile;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/input/input_image.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |             image::Luma([self[(x as usize + (y as usize * W))]])
[INFO] [stdout]    |                               ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             image::Luma([self[(x as usize + (y as usize * W))]])
[INFO] [stdout] 40 +             image::Luma([self[x as usize + (y as usize * W) ]])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_arg_infer` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_arg_infer)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> src/graph.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a, const LAYER_COUNT: usize, const LAYER_SIZE: usize> Graph<'a, LAYER_COUNT, LAYER_SIZE> {
[INFO] [stdout]    |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn train(&mut self, training_input: &dyn WithTrainingData<LAYER_SIZE>) {
[INFO] [stdout]    |              - let's call the lifetime of this reference `'1`
[INFO] [stdout] 26 |         let layer = self.input_layer();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^ argument requires that `'1` must outlive `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: requirement occurs because of a mutable reference to `graph::Graph<'_, LAYER_COUNT, LAYER_SIZE>`
[INFO] [stdout]    = note: mutable references are invariant over their type parameter
[INFO] [stdout]    = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-neural-net` (bin "rusty-neural-net" test) due to 1 previous error; 8 warnings emitted
[INFO] [stdout] warning: unused import: `GenericImageView`
[INFO] [stdout]  --> src/input/input_image.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{GenericImageView, ImageBuffer, Luma};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> src/graph.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a, const LAYER_COUNT: usize, const LAYER_SIZE: usize> Graph<'a, LAYER_COUNT, LAYER_SIZE> {
[INFO] [stdout]    |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn train(&mut self, training_input: &dyn WithTrainingData<LAYER_SIZE>) {
[INFO] [stdout]    |              - let's call the lifetime of this reference `'1`
[INFO] [stdout] 26 |         let layer = self.input_layer();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^ argument requires that `'1` must outlive `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: requirement occurs because of a mutable reference to `graph::Graph<'_, LAYER_COUNT, LAYER_SIZE>`
[INFO] [stdout]    = note: mutable references are invariant over their type parameter
[INFO] [stdout]    = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-neural-net` (bin "rusty-neural-net") due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8b3dc3faa5a6756669916a722bfc3fd920cd3b0ec874ce3f6a6851ccd43a02ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b3dc3faa5a6756669916a722bfc3fd920cd3b0ec874ce3f6a6851ccd43a02ce", kill_on_drop: false }`
[INFO] [stdout] 8b3dc3faa5a6756669916a722bfc3fd920cd3b0ec874ce3f6a6851ccd43a02ce
