[INFO] cloning repository https://github.com/benwhittington/PowerMethod
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benwhittington/PowerMethod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenwhittington%2FPowerMethod", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenwhittington%2FPowerMethod'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58f8e677ef441727d1bac4bbd0b8bcad19a8c6a7
[INFO] checking benwhittington/PowerMethod against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenwhittington%2FPowerMethod" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benwhittington/PowerMethod
[INFO] finished tweaking git repo https://github.com/benwhittington/PowerMethod
[INFO] tweaked toml for git repo https://github.com/benwhittington/PowerMethod written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benwhittington/PowerMethod on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benwhittington/PowerMethod 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" "+52995a223f2919dd3e2e427231db90a257350ded" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking benwhittington/PowerMethod against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenwhittington%2FPowerMethod" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benwhittington/PowerMethod
[INFO] finished tweaking git repo https://github.com/benwhittington/PowerMethod
[INFO] tweaked toml for git repo https://github.com/benwhittington/PowerMethod written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benwhittington/PowerMethod on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benwhittington/PowerMethod 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" "+52995a223f2919dd3e2e427231db90a257350ded" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded num-bigint v0.2.3
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8fb5348d79da8eeb739d625c8eef437c06258501d4b6dac5da7736d26ec99749
[INFO] running `Command { std: "docker" "start" "8fb5348d79da8eeb739d625c8eef437c06258501d4b6dac5da7736d26ec99749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fb5348d79da8eeb739d625c8eef437c06258501d4b6dac5da7736d26ec99749", 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" "8fb5348d79da8eeb739d625c8eef437c06258501d4b6dac5da7736d26ec99749" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fb5348d79da8eeb739d625c8eef437c06258501d4b6dac5da7736d26ec99749", 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" "8fb5348d79da8eeb739d625c8eef437c06258501d4b6dac5da7736d26ec99749" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking power_method v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut b: Vec<f32> =vec![2.0,1.0];
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut b: Vec<f32> =vec![2.0,1.0];
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut b: Vec<f32> =vec![2.0,1.0];
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut b: Vec<f32> =vec![2.0,1.0];
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DotProduct` should have a snake case name
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn DotProduct(A: &Vec<Vec<f32>>, b: &mut Vec<f32>) {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `dot_product`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DotProduct` should have a snake case name
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn DotProduct(A: &Vec<Vec<f32>>, b: &mut Vec<f32>) {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `dot_product`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn DotProduct(A: &Vec<Vec<f32>>, b: &mut Vec<f32>) {
[INFO] [stdout]    |               ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PowerMethod` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn PowerMethod(A: &Vec<Vec<f32>>, v: &Vec<f32>, tol: f32) -> EigPair {
[INFO] [stdout]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `power_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn DotProduct(A: &Vec<Vec<f32>>, b: &mut Vec<f32>) {
[INFO] [stdout]    |               ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn PowerMethod(A: &Vec<Vec<f32>>, v: &Vec<f32>, tol: f32) -> EigPair {
[INFO] [stdout]    |                ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PowerMethod` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn PowerMethod(A: &Vec<Vec<f32>>, v: &Vec<f32>, tol: f32) -> EigPair {
[INFO] [stdout]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `power_method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn deflate(A: &mut Vec<Vec<f32>>, eig: &mut EigPair) {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn PowerMethod(A: &Vec<Vec<f32>>, v: &Vec<f32>, tol: f32) -> EigPair {
[INFO] [stdout]    |                ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn get_eigs(A: &mut Vec<Vec<f32>>) -> Vec<EigPair> {
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn deflate(A: &mut Vec<Vec<f32>>, eig: &mut EigPair) {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/main.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut A=vec![
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn get_eigs(A: &mut Vec<Vec<f32>>) -> Vec<EigPair> {
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]    --> src/main.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut A=vec![
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `num`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | num = "0.2.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `num`
[INFO] [stderr] warning: `power_method` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "8fb5348d79da8eeb739d625c8eef437c06258501d4b6dac5da7736d26ec99749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb5348d79da8eeb739d625c8eef437c06258501d4b6dac5da7736d26ec99749", kill_on_drop: false }`
[INFO] [stdout] 8fb5348d79da8eeb739d625c8eef437c06258501d4b6dac5da7736d26ec99749
