[INFO] cloning repository https://github.com/earthtraveller1/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/earthtraveller1/neural-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fearthtraveller1%2Fneural-net", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fearthtraveller1%2Fneural-net'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d3f1be8cefb5857872f331a248da65c2eaa506b9 [INFO] checking earthtraveller1/neural-net against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fearthtraveller1%2Fneural-net" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/earthtraveller1/neural-net on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/earthtraveller1/neural-net [INFO] finished tweaking git repo https://github.com/earthtraveller1/neural-net [INFO] tweaked toml for git repo https://github.com/earthtraveller1/neural-net written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/earthtraveller1/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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 415980f7dda1a234155f6827bffaf8a8d575a7d10ed80b3b68c5a65ad08fc9f8 [INFO] running `Command { std: "docker" "start" "-a" "415980f7dda1a234155f6827bffaf8a8d575a7d10ed80b3b68c5a65ad08fc9f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "415980f7dda1a234155f6827bffaf8a8d575a7d10ed80b3b68c5a65ad08fc9f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "415980f7dda1a234155f6827bffaf8a8d575a7d10ed80b3b68c5a65ad08fc9f8", kill_on_drop: false }` [INFO] [stdout] 415980f7dda1a234155f6827bffaf8a8d575a7d10ed80b3b68c5a65ad08fc9f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 547362b5f2ae72bbc5466ec92f2e0377e1808f00ba3cb96994cec08a38ca3fad [INFO] running `Command { std: "docker" "start" "-a" "547362b5f2ae72bbc5466ec92f2e0377e1808f00ba3cb96994cec08a38ca3fad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.8 [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_net v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `sum` is assigned to, but never used [INFO] [stdout] --> src/math.rs:97:21 [INFO] [stdout] | [INFO] [stdout] 97 | let mut sum = 0.0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_sum` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/math.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | let mut result = Vec::with_capacity(self.rows); [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: struct `Layer` is never constructed [INFO] [stdout] --> src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Layer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `pass_data_through` are never used [INFO] [stdout] --> src/main.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl Layer { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 12 | fn new(input_count: usize, output_count: usize) -> Layer { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn pass_data_through(&self, data: &Vector) -> Vector { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `from_vec` and `from_random` are never used [INFO] [stdout] --> src/math.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Vector { [INFO] [stdout] | ----------- associated functions in this implementation [INFO] [stdout] 13 | /// Creates a new Vector with the specified data. [INFO] [stdout] 14 | pub fn from_vec(data: &Vec) -> Vector { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn from_random(len: usize) -> Vector { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Matrix` is never constructed [INFO] [stdout] --> src/math.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub struct Matrix { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Matrix` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from_2d_slice`, `get`, `get_mut`, and `mul_with_vector` are never used [INFO] [stdout] --> src/math.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Matrix { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 60 | /// Creates a new Matrix and fills it with random data. [INFO] [stdout] 61 | pub fn new(rows: usize, cols: usize) -> Matrix { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn from_2d_slice(slice: &[&[f64]]) -> Matrix { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn get(&self, row: usize, col: usize) -> f64 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn get_mut(&mut self, row: usize, col: usize) -> &mut f64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn mul_with_vector(&self, vector: &Vector) -> Vector { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `logistic` is never used [INFO] [stdout] --> src/math.rs:108:8 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn logistic(x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `logistic_derivative` is never used [INFO] [stdout] --> src/math.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn logistic_derivative(x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sum` is assigned to, but never used [INFO] [stdout] --> src/math.rs:97:21 [INFO] [stdout] | [INFO] [stdout] 97 | let mut sum = 0.0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_sum` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/math.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | let mut result = Vec::with_capacity(self.rows); [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: struct `Layer` is never constructed [INFO] [stdout] --> src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Layer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `pass_data_through` are never used [INFO] [stdout] --> src/main.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl Layer { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 12 | fn new(input_count: usize, output_count: usize) -> Layer { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn pass_data_through(&self, data: &Vector) -> Vector { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `from_vec` and `from_random` are never used [INFO] [stdout] --> src/math.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Vector { [INFO] [stdout] | ----------- associated functions in this implementation [INFO] [stdout] 13 | /// Creates a new Vector with the specified data. [INFO] [stdout] 14 | pub fn from_vec(data: &Vec) -> Vector { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn from_random(len: usize) -> Vector { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Matrix` is never constructed [INFO] [stdout] --> src/math.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub struct Matrix { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Matrix` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from_2d_slice`, `get`, `get_mut`, and `mul_with_vector` are never used [INFO] [stdout] --> src/math.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Matrix { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 60 | /// Creates a new Matrix and fills it with random data. [INFO] [stdout] 61 | pub fn new(rows: usize, cols: usize) -> Matrix { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn from_2d_slice(slice: &[&[f64]]) -> Matrix { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn get(&self, row: usize, col: usize) -> f64 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn get_mut(&mut self, row: usize, col: usize) -> &mut f64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn mul_with_vector(&self, vector: &Vector) -> Vector { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `logistic` is never used [INFO] [stdout] --> src/math.rs:108:8 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn logistic(x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `logistic_derivative` is never used [INFO] [stdout] --> src/math.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn logistic_derivative(x: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.87s [INFO] running `Command { std: "docker" "inspect" "547362b5f2ae72bbc5466ec92f2e0377e1808f00ba3cb96994cec08a38ca3fad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "547362b5f2ae72bbc5466ec92f2e0377e1808f00ba3cb96994cec08a38ca3fad", kill_on_drop: false }` [INFO] [stdout] 547362b5f2ae72bbc5466ec92f2e0377e1808f00ba3cb96994cec08a38ca3fad