[INFO] cloning repository https://github.com/TomjWolcott/Small-Wave-Function-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TomjWolcott/Small-Wave-Function-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomjWolcott%2FSmall-Wave-Function-sim", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80137ae28bab58d14a3b19d050185c168df34555
[INFO] checking TomjWolcott/Small-Wave-Function-sim against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomjWolcott%2FSmall-Wave-Function-sim" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TomjWolcott/Small-Wave-Function-sim
[INFO] finished tweaking git repo https://github.com/TomjWolcott/Small-Wave-Function-sim
[INFO] tweaked toml for git repo https://github.com/TomjWolcott/Small-Wave-Function-sim written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TomjWolcott/Small-Wave-Function-sim on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TomjWolcott/Small-Wave-Function-sim already has a lockfile, it will not be regenerated
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:113:31
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let dw2_dx2 = (grid[inc(x)][y] + grid[dec(x)][y] - grid[x][y] * 2.0);
[INFO] [stdout]     |                               ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -                 let dw2_dx2 = (grid[inc(x)][y] + grid[dec(x)][y] - grid[x][y] * 2.0);
[INFO] [stdout] 113 +                 let dw2_dx2 = grid[inc(x)][y] + grid[dec(x)][y] - grid[x][y] * 2.0 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:114:31
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 let dw2_dy2 = (grid[x][inc(y)] + grid[x][dec(y)] - grid[x][y] * 2.0);
[INFO] [stdout]     |                               ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -                 let dw2_dy2 = (grid[x][inc(y)] + grid[x][dec(y)] - grid[x][y] * 2.0);
[INFO] [stdout] 114 +                 let dw2_dy2 = grid[x][inc(y)] + grid[x][dec(y)] - grid[x][y] * 2.0 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:147:33
[INFO] [stdout]     |
[INFO] [stdout] 147 |             thing: Box::new(|x, y, t| {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T: Number> BoundaryConditions<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 14 |     fn get(&self, grid: &Vec<Vec<T>>, i: usize, j: usize) -> T {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:17:50
[INFO] [stdout]    |
[INFO] [stdout] 17 |             BoundaryConditions::Fixed(num) => if i < 0 || i >= grid.len() || j < 0 || j >= grid.len() {
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:17:78
[INFO] [stdout]    |
[INFO] [stdout] 17 |             BoundaryConditions::Fixed(num) => if i < 0 || i >= grid.len() || j < 0 || j >= grid.len() {
[INFO] [stdout]    |                                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:113:31
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let dw2_dx2 = (grid[inc(x)][y] + grid[dec(x)][y] - grid[x][y] * 2.0);
[INFO] [stdout]     |                               ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -                 let dw2_dx2 = (grid[inc(x)][y] + grid[dec(x)][y] - grid[x][y] * 2.0);
[INFO] [stdout] 113 +                 let dw2_dx2 = grid[inc(x)][y] + grid[dec(x)][y] - grid[x][y] * 2.0 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:114:31
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 let dw2_dy2 = (grid[x][inc(y)] + grid[x][dec(y)] - grid[x][y] * 2.0);
[INFO] [stdout]     |                               ^                                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -                 let dw2_dy2 = (grid[x][inc(y)] + grid[x][dec(y)] - grid[x][y] * 2.0);
[INFO] [stdout] 114 +                 let dw2_dy2 = grid[x][inc(y)] + grid[x][dec(y)] - grid[x][y] * 2.0 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.93s
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:147:33
[INFO] [stdout]     |
[INFO] [stdout] 147 |             thing: Box::new(|x, y, t| {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T: Number> BoundaryConditions<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 14 |     fn get(&self, grid: &Vec<Vec<T>>, i: usize, j: usize) -> T {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:17:50
[INFO] [stdout]    |
[INFO] [stdout] 17 |             BoundaryConditions::Fixed(num) => if i < 0 || i >= grid.len() || j < 0 || j >= grid.len() {
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:17:78
[INFO] [stdout]    |
[INFO] [stdout] 17 |             BoundaryConditions::Fixed(num) => if i < 0 || i >= grid.len() || j < 0 || j >= grid.len() {
[INFO] [stdout]    |                                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "accce5f8eb32811ec34b817e70cceebc5bf8be782e5cb3ac2f4211d602684b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accce5f8eb32811ec34b817e70cceebc5bf8be782e5cb3ac2f4211d602684b24", kill_on_drop: false }`
[INFO] [stdout] accce5f8eb32811ec34b817e70cceebc5bf8be782e5cb3ac2f4211d602684b24
