[INFO] cloning repository https://github.com/Pranjal-Patel/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/Pranjal-Patel/neural_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPranjal-Patel%2Fneural_network", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPranjal-Patel%2Fneural_network'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5caa5036b50f64250e91f8c61d6f98bedbf525b [INFO] checking Pranjal-Patel/neural_network against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPranjal-Patel%2Fneural_network" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Pranjal-Patel/neural_network [INFO] finished tweaking git repo https://github.com/Pranjal-Patel/neural_network [INFO] tweaked toml for git repo https://github.com/Pranjal-Patel/neural_network written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Pranjal-Patel/neural_network on toolchain a5689b034ad287112f709693384a37f1377eb9cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Pranjal-Patel/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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 69054560b72e22687516a9176d6ec2c119a504fc258f678b461024b625f8c06c [INFO] running `Command { std: "docker" "start" "69054560b72e22687516a9176d6ec2c119a504fc258f678b461024b625f8c06c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69054560b72e22687516a9176d6ec2c119a504fc258f678b461024b625f8c06c", 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" "69054560b72e22687516a9176d6ec2c119a504fc258f678b461024b625f8c06c" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69054560b72e22687516a9176d6ec2c119a504fc258f678b461024b625f8c06c", 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" "69054560b72e22687516a9176d6ec2c119a504fc258f678b461024b625f8c06c" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling nanoserde-derive v0.1.21 [INFO] [stderr] Checking nanoserde v0.1.35 [INFO] [stderr] Checking getrandom v0.2.11 [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] Checking neural_network v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: useless conversion to the same type: `Layer` [INFO] [stdout] --> src/network.rs:32:61 [INFO] [stdout] | [INFO] [stdout] 32 | let layers: Vec = layers.into_iter().map(|i| i.into()).collect(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 32 - let layers: Vec = layers.into_iter().map(|i| i.into()).collect(); [INFO] [stdout] 32 + let layers: Vec = layers.into_iter().map(|i| i).collect(); [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 32 - let layers: Vec = layers.into_iter().map(|i| i.into()).collect(); [INFO] [stdout] 32 + let layers: Vec = layers.into_iter().map(|i| >::into(i)).collect(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/layers.rs:16:36 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get_activation_function(&self) -> Option { [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] 16 | pub fn get_activation_function(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `Layer` [INFO] [stdout] --> src/network.rs:32:61 [INFO] [stdout] | [INFO] [stdout] 32 | let layers: Vec = layers.into_iter().map(|i| i.into()).collect(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 32 - let layers: Vec = layers.into_iter().map(|i| i.into()).collect(); [INFO] [stdout] 32 + let layers: Vec = layers.into_iter().map(|i| i).collect(); [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 32 - let layers: Vec = layers.into_iter().map(|i| i.into()).collect(); [INFO] [stdout] 32 + let layers: Vec = layers.into_iter().map(|i| >::into(i)).collect(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `neural_network` (lib test) due to 1 previous error; 1 warning emitted [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/layers.rs:16:36 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get_activation_function(&self) -> Option { [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] 16 | pub fn get_activation_function(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `neural_network` (lib) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "69054560b72e22687516a9176d6ec2c119a504fc258f678b461024b625f8c06c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69054560b72e22687516a9176d6ec2c119a504fc258f678b461024b625f8c06c", kill_on_drop: false }` [INFO] [stdout] 69054560b72e22687516a9176d6ec2c119a504fc258f678b461024b625f8c06c