[INFO] cloning repository https://github.com/Maurdekye/mnist-nn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Maurdekye/mnist-nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaurdekye%2Fmnist-nn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaurdekye%2Fmnist-nn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c1c979ec7116ac971de7a432222b4f5208fea3f9 [INFO] checking Maurdekye/mnist-nn against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaurdekye%2Fmnist-nn" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Maurdekye/mnist-nn [INFO] finished tweaking git repo https://github.com/Maurdekye/mnist-nn [INFO] tweaked toml for git repo https://github.com/Maurdekye/mnist-nn written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Maurdekye/mnist-nn on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Maurdekye/mnist-nn 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b54ac4d71fb234aaf6a32e17cfbb50501c5886136299177030c82a497ab4f72 [INFO] running `Command { std: "docker" "start" "-a" "0b54ac4d71fb234aaf6a32e17cfbb50501c5886136299177030c82a497ab4f72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b54ac4d71fb234aaf6a32e17cfbb50501c5886136299177030c82a497ab4f72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b54ac4d71fb234aaf6a32e17cfbb50501c5886136299177030c82a497ab4f72", kill_on_drop: false }` [INFO] [stdout] 0b54ac4d71fb234aaf6a32e17cfbb50501c5886136299177030c82a497ab4f72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6706228f9415093cad3e9e306c53fdcf32e867d5f3b7782921f5a2f431ae9be [INFO] running `Command { std: "docker" "start" "-a" "a6706228f9415093cad3e9e306c53fdcf32e867d5f3b7782921f5a2f431ae9be", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking progress-observer v3.2.0 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.3 [INFO] [stderr] Checking clap v4.5.3 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking mnist-nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `array_windows` has been stable since 1.94.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(array_windows)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `array_windows` has been stable since 1.94.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(array_windows)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `gradient` is never read [INFO] [stdout] --> src/nn.rs:337:9 [INFO] [stdout] | [INFO] [stdout] 334 | pub struct TrainingProgress<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 337 | pub gradient: &'a Gradient, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ReLu` is never constructed [INFO] [stdout] --> src/nn.rs:389:12 [INFO] [stdout] | [INFO] [stdout] 389 | pub struct ReLu; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LeakyReLu` is never constructed [INFO] [stdout] --> src/nn.rs:404:12 [INFO] [stdout] | [INFO] [stdout] 404 | pub struct LeakyReLu; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn.rs:462:26 [INFO] [stdout] | [INFO] [stdout] 462 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 462 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks<'_, Self::Item>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn.rs:468:26 [INFO] [stdout] | [INFO] [stdout] 468 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 468 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks<'_, Self::Item> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn.rs:481:26 [INFO] [stdout] | [INFO] [stdout] 481 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 481 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks<'_, Self::Item> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: feature `iterator_try_collect` is declared but not used [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iterator_try_collect)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `gradient` is never read [INFO] [stdout] --> src/nn.rs:337:9 [INFO] [stdout] | [INFO] [stdout] 334 | pub struct TrainingProgress<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 337 | pub gradient: &'a Gradient, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ReLu` is never constructed [INFO] [stdout] --> src/nn.rs:389:12 [INFO] [stdout] | [INFO] [stdout] 389 | pub struct ReLu; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LeakyReLu` is never constructed [INFO] [stdout] --> src/nn.rs:404:12 [INFO] [stdout] | [INFO] [stdout] 404 | pub struct LeakyReLu; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn.rs:462:26 [INFO] [stdout] | [INFO] [stdout] 462 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 462 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks<'_, Self::Item>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn.rs:468:26 [INFO] [stdout] | [INFO] [stdout] 468 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 468 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks<'_, Self::Item> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn.rs:481:26 [INFO] [stdout] | [INFO] [stdout] 481 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 481 | fn transposed_chunks(&self, num_chunks: usize) -> TransposedChunks<'_, Self::Item> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: feature `iterator_try_collect` is declared but not used [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iterator_try_collect)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.88s [INFO] running `Command { std: "docker" "inspect" "a6706228f9415093cad3e9e306c53fdcf32e867d5f3b7782921f5a2f431ae9be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6706228f9415093cad3e9e306c53fdcf32e867d5f3b7782921f5a2f431ae9be", kill_on_drop: false }` [INFO] [stdout] a6706228f9415093cad3e9e306c53fdcf32e867d5f3b7782921f5a2f431ae9be