[INFO] cloning repository https://github.com/PNZeml/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PNZeml/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPNZeml%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPNZeml%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68a4525fc9b0c79f4fdf75ad5554bd677933a9c3
[INFO] checking PNZeml/rust_playground/68a4525fc9b0c79f4fdf75ad5554bd677933a9c3 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPNZeml%2Frust_playground" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PNZeml/rust_playground on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PNZeml/rust_playground
[INFO] finished tweaking git repo https://github.com/PNZeml/rust_playground
[INFO] tweaked toml for git repo https://github.com/PNZeml/rust_playground written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PNZeml/rust_playground 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded rand_chacha v0.1.0
[INFO] [stderr] Downloaded num-derive v0.2.3
[INFO] [stderr] Downloaded rand_xorshift v0.1.0
[INFO] [stderr] Downloaded colored v1.6.1
[INFO] [stderr] Downloaded num_cpus v1.9.0
[INFO] [stderr] Downloaded inflate v0.4.4
[INFO] [stderr] Downloaded rayon v1.0.3
[INFO] [stderr] Downloaded rand v0.6.1
[INFO] [stderr] Downloaded tiff v0.2.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ea3bdd0308fde21c08930f9a98f9817342ebfda298be593d219cceedc44105c
[INFO] running `Command { std: "docker" "start" "-a" "9ea3bdd0308fde21c08930f9a98f9817342ebfda298be593d219cceedc44105c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ea3bdd0308fde21c08930f9a98f9817342ebfda298be593d219cceedc44105c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea3bdd0308fde21c08930f9a98f9817342ebfda298be593d219cceedc44105c", kill_on_drop: false }`
[INFO] [stdout] 9ea3bdd0308fde21c08930f9a98f9817342ebfda298be593d219cceedc44105c
[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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8107802de2a8ea01a39cbc5031733ca5df7e6c28338fa2fad353758a2c4b6bf
[INFO] running `Command { std: "docker" "start" "-a" "e8107802de2a8ea01a39cbc5031733ca5df7e6c28338fa2fad353758a2c4b6bf", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] Compiling num-traits v0.2.6
[INFO] [stderr] Compiling libc v0.2.45
[INFO] [stderr] Compiling arrayvec v0.4.10
[INFO] [stderr] Checking lazy_static v1.2.0
[INFO] [stderr] Compiling proc-macro2 v0.4.24
[INFO] [stderr] Checking nodrop v0.1.13
[INFO] [stderr] Checking cfg-if v0.1.6
[INFO] [stderr] Checking scopeguard v0.3.3
[INFO] [stderr] Checking memoffset v0.2.1
[INFO] [stderr] Compiling num-integer v0.1.39
[INFO] [stderr] Compiling unicode-xid v0.1.0
[INFO] [stderr] Compiling rayon-core v1.4.1
[INFO] [stderr] Checking rand_core v0.3.0
[INFO] [stderr] Checking byteorder v1.2.7
[INFO] [stderr] Compiling rayon v1.0.3
[INFO] [stderr] Compiling num-iter v0.1.37
[INFO] [stderr] Checking adler32 v1.0.3
[INFO] [stderr] Checking crossbeam-utils v0.2.2
[INFO] [stderr] Compiling num-derive v0.2.3
[INFO] [stderr] Compiling rand_pcg v0.1.1
[INFO] [stderr] Compiling rand_chacha v0.1.0
[INFO] [stderr] Checking either v1.5.0
[INFO] [stderr] Compiling num-rational v0.2.1
[INFO] [stderr] Checking lzw v0.10.0
[INFO] [stderr] Checking inflate v0.4.4
[INFO] [stderr] Checking deflate v0.7.19
[INFO] [stderr] Compiling rand v0.6.1
[INFO] [stderr] Checking color_quant v1.0.1
[INFO] [stderr] Checking bitflags v1.0.4
[INFO] [stderr] Checking rand_xorshift v0.1.0
[INFO] [stderr] Checking rand_hc v0.1.0
[INFO] [stderr] Checking gif v0.10.1
[INFO] [stderr] Checking rand_isaac v0.1.1
[INFO] [stderr] Checking scoped_threadpool v0.1.9
[INFO] [stderr] Checking colored v1.6.1
[INFO] [stderr] Checking glob v0.2.11
[INFO] [stderr] Checking num_cpus v1.9.0
[INFO] [stderr] Compiling quote v0.6.10
[INFO] [stderr] Checking crossbeam-epoch v0.3.1
[INFO] [stderr] Compiling syn v0.15.23
[INFO] [stderr] Checking crossbeam-deque v0.2.0
[INFO] [stderr] Checking png v0.12.0
[INFO] [stderr] Checking jpeg-decoder v0.1.15
[INFO] [stderr] Checking tiff v0.2.1
[INFO] [stderr] Checking image v0.20.1
[INFO] [stderr] Checking simple_hebbian_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:91:21
[INFO] [stdout] |
[INFO] [stdout] 91 | let mut n = rng.gen_range(0, DATA_SETS);
[INFO] [stdout] | ----^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout] --> src/model/input.rs:18:12
[INFO] [stdout] |
[INFO] [stdout] 17 | impl Input {
[INFO] [stdout] | ---------- associated function in this implementation
[INFO] [stdout] 18 | pub fn new(name: &str, signals: &[i128], class: ImageClass) -> Option {
[INFO] [stdout] | ^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout] --> src/model/weight.rs:70:12
[INFO] [stdout] |
[INFO] [stdout] 17 | impl Weight {
[INFO] [stdout] | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 | pub fn print(self) {
[INFO] [stdout] | ^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout] --> src/model/neural_node.rs:6:9
[INFO] [stdout] |
[INFO] [stdout] 5 | pub struct NeuralNode {
[INFO] [stdout] | ---------- field in this struct
[INFO] [stdout] 6 | pub name: String,
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variants `One`, `Two`, and `Three` are never constructed
[INFO] [stdout] --> src/model/image_class.rs:7:5
[INFO] [stdout] |
[INFO] [stdout] 5 | pub enum ImageClass {
[INFO] [stdout] | ---------- variants in this enum
[INFO] [stdout] 6 | Zero,
[INFO] [stdout] 7 | One,
[INFO] [stdout] | ^^^
[INFO] [stdout] 8 | Two,
[INFO] [stdout] | ^^^
[INFO] [stdout] 9 | Three,
[INFO] [stdout] | ^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `ImageClass` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout] --> src/main.rs:56:9
[INFO] [stdout] |
[INFO] [stdout] 56 | create_directory(&new_folder_path);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] |
[INFO] [stdout] 56 | let _ = create_directory(&new_folder_path);
[INFO] [stdout] | +++++++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout] --> src/main.rs:104:13
[INFO] [stdout] |
[INFO] [stdout] 104 | weights[i].to_file(&path_to_weight);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] |
[INFO] [stdout] 104 | let _ = weights[i].to_file(&path_to_weight);
[INFO] [stdout] | +++++++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:91:21
[INFO] [stdout] |
[INFO] [stdout] 91 | let mut n = rng.gen_range(0, DATA_SETS);
[INFO] [stdout] | ----^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout] --> src/model/input.rs:18:12
[INFO] [stdout] |
[INFO] [stdout] 17 | impl Input {
[INFO] [stdout] | ---------- associated function in this implementation
[INFO] [stdout] 18 | pub fn new(name: &str, signals: &[i128], class: ImageClass) -> Option {
[INFO] [stdout] | ^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout] --> src/model/weight.rs:70:12
[INFO] [stdout] |
[INFO] [stdout] 17 | impl Weight {
[INFO] [stdout] | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 | pub fn print(self) {
[INFO] [stdout] | ^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout] --> src/model/neural_node.rs:6:9
[INFO] [stdout] |
[INFO] [stdout] 5 | pub struct NeuralNode {
[INFO] [stdout] | ---------- field in this struct
[INFO] [stdout] 6 | pub name: String,
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variants `One`, `Two`, and `Three` are never constructed
[INFO] [stdout] --> src/model/image_class.rs:7:5
[INFO] [stdout] |
[INFO] [stdout] 5 | pub enum ImageClass {
[INFO] [stdout] | ---------- variants in this enum
[INFO] [stdout] 6 | Zero,
[INFO] [stdout] 7 | One,
[INFO] [stdout] | ^^^
[INFO] [stdout] 8 | Two,
[INFO] [stdout] | ^^^
[INFO] [stdout] 9 | Three,
[INFO] [stdout] | ^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `ImageClass` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout] --> src/main.rs:56:9
[INFO] [stdout] |
[INFO] [stdout] 56 | create_directory(&new_folder_path);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] |
[INFO] [stdout] 56 | let _ = create_directory(&new_folder_path);
[INFO] [stdout] | +++++++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout] --> src/main.rs:104:13
[INFO] [stdout] |
[INFO] [stdout] 104 | weights[i].to_file(&path_to_weight);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] |
[INFO] [stdout] 104 | let _ = weights[i].to_file(&path_to_weight);
[INFO] [stdout] | +++++++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "e8107802de2a8ea01a39cbc5031733ca5df7e6c28338fa2fad353758a2c4b6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8107802de2a8ea01a39cbc5031733ca5df7e6c28338fa2fad353758a2c4b6bf", kill_on_drop: false }`
[INFO] [stdout] e8107802de2a8ea01a39cbc5031733ca5df7e6c28338fa2fad353758a2c4b6bf