[INFO] updating cached repository https://github.com/benwhittington/PowerMethod
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 58f8e677ef441727d1bac4bbd0b8bcad19a8c6a7
[INFO] checking benwhittington/PowerMethod against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenwhittington%2FPowerMethod" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benwhittington/PowerMethod on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/benwhittington/PowerMethod already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96ddc04d8ee040d4da73b3746d10375df7655eb1265b2b84b93040920394f8e8
[INFO] running `"docker" "start" "-a" "96ddc04d8ee040d4da73b3746d10375df7655eb1265b2b84b93040920394f8e8"`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking power_method v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut b: Vec<f32> =vec![2.0,1.0];
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut b: Vec<f32> =vec![2.0,1.0];
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `DotProduct` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn DotProduct(A: &Vec<Vec<f32>>, b: &mut Vec<f32>) {
[INFO] [stderr]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `dot_product`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn DotProduct(A: &Vec<Vec<f32>>, b: &mut Vec<f32>) {
[INFO] [stderr]    |               ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: function `PowerMethod` should have a snake case name
[INFO] [stderr]   --> src/main.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn PowerMethod(A: &Vec<Vec<f32>>, v: &Vec<f32>, tol: f32) -> EigPair {
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `power_method`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/main.rs:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn PowerMethod(A: &Vec<Vec<f32>>, v: &Vec<f32>, tol: f32) -> EigPair {
[INFO] [stderr]    |                ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/main.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn deflate(A: &mut Vec<Vec<f32>>, eig: &mut EigPair) {
[INFO] [stderr]    |            ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/main.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn get_eigs(A: &mut Vec<Vec<f32>>) -> Vec<EigPair> {
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut b: Vec<f32> =vec![2.0,1.0];
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]    --> src/main.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut A=vec![
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut b: Vec<f32> =vec![2.0,1.0];
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `DotProduct` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn DotProduct(A: &Vec<Vec<f32>>, b: &mut Vec<f32>) {
[INFO] [stderr]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `dot_product`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn DotProduct(A: &Vec<Vec<f32>>, b: &mut Vec<f32>) {
[INFO] [stderr]    |               ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: function `PowerMethod` should have a snake case name
[INFO] [stderr]   --> src/main.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn PowerMethod(A: &Vec<Vec<f32>>, v: &Vec<f32>, tol: f32) -> EigPair {
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `power_method`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/main.rs:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn PowerMethod(A: &Vec<Vec<f32>>, v: &Vec<f32>, tol: f32) -> EigPair {
[INFO] [stderr]    |                ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/main.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn deflate(A: &mut Vec<Vec<f32>>, eig: &mut EigPair) {
[INFO] [stderr]    |            ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/main.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn get_eigs(A: &mut Vec<Vec<f32>>) -> Vec<EigPair> {
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]    --> src/main.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut A=vec![
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `"docker" "inspect" "96ddc04d8ee040d4da73b3746d10375df7655eb1265b2b84b93040920394f8e8"`
[INFO] running `"docker" "rm" "-f" "96ddc04d8ee040d4da73b3746d10375df7655eb1265b2b84b93040920394f8e8"`
[INFO] [stdout] 96ddc04d8ee040d4da73b3746d10375df7655eb1265b2b84b93040920394f8e8