[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5c536d27461bf8d2c819591d3661f70e4b1ff9d
[INFO] testing sdunifon/rusty-neural-net against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2Frusty-neural-net" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdunifon/rusty-neural-net on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-83/source/Cargo.toml
[INFO] crate git repo https://github.com/sdunifon/rusty-neural-net already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 999c28bc94a1f7c4ee966f608e51419d05bb0e8bb974465a332f635c82e75e1e
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[INFO] running `Command { std: "docker" "inspect" "999c28bc94a1f7c4ee966f608e51419d05bb0e8bb974465a332f635c82e75e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999c28bc94a1f7c4ee966f608e51419d05bb0e8bb974465a332f635c82e75e1e", kill_on_drop: false }`
[INFO] [stdout] 999c28bc94a1f7c4ee966f608e51419d05bb0e8bb974465a332f635c82e75e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling 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: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[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)]` 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] error[E0495]: cannot infer an appropriate lifetime for autoref due to conflicting requirements
[INFO] [stdout]   --> src/graph.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let layer = self.input_layer();
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: first, the lifetime cannot outlive the anonymous lifetime defined here...
[INFO] [stdout]   --> src/graph.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn train(&mut self, training_input: &dyn WithTrainingData<LAYER_SIZE>) {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] note: ...so that reference does not outlive borrowed content
[INFO] [stdout]   --> src/graph.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let layer = self.input_layer();
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] note: but, the lifetime must be valid for the lifetime `'a` as defined here...
[INFO] [stdout]   --> src/graph.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a, const LAYER_COUNT: usize, const LAYER_SIZE: usize> Graph<'a, LAYER_COUNT, LAYER_SIZE> {
[INFO] [stdout]    |      ^^
[INFO] [stdout] note: ...so that the types are compatible
[INFO] [stdout]   --> src/graph.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let layer = self.input_layer();
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    = note: expected `&mut graph::Graph<'_, LAYER_COUNT, LAYER_SIZE>`
[INFO] [stdout]               found `&mut graph::Graph<'a, LAYER_COUNT, LAYER_SIZE>`
[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] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0495`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-neural-net` due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a399e0788e69881d321dcbb3d2e11a38e270a42b2fde9ad435fbef1f35b25ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a399e0788e69881d321dcbb3d2e11a38e270a42b2fde9ad435fbef1f35b25ef9", kill_on_drop: false }`
[INFO] [stdout] a399e0788e69881d321dcbb3d2e11a38e270a42b2fde9ad435fbef1f35b25ef9