[INFO] cloning repository https://github.com/sam-pearmain/meshing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sam-pearmain/meshing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-pearmain%2Fmeshing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-pearmain%2Fmeshing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b39ffa9aa8337254afca4a10df12b703e0771b88
[INFO] checking sam-pearmain/meshing against try#3652eaba14e5de752eaa5a8ffcac7132f9244f07 for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-pearmain%2Fmeshing" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sam-pearmain/meshing on toolchain 3652eaba14e5de752eaa5a8ffcac7132f9244f07
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sam-pearmain/meshing
[INFO] finished tweaking git repo https://github.com/sam-pearmain/meshing
[INFO] tweaked toml for git repo https://github.com/sam-pearmain/meshing written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sam-pearmain/meshing 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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] checking sam-pearmain/meshing against try#3652eaba14e5de752eaa5a8ffcac7132f9244f07 for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-pearmain%2Fmeshing" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sam-pearmain/meshing on toolchain 3652eaba14e5de752eaa5a8ffcac7132f9244f07
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sam-pearmain/meshing
[INFO] finished tweaking git repo https://github.com/sam-pearmain/meshing
[INFO] tweaked toml for git repo https://github.com/sam-pearmain/meshing written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sam-pearmain/meshing 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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f83ce4fcfc2e307c9e47fc7a153231e71e91e5e9e8e6680ca9bfd59cb00c151f
[INFO] running `Command { std: "docker" "start" "-a" "f83ce4fcfc2e307c9e47fc7a153231e71e91e5e9e8e6680ca9bfd59cb00c151f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f83ce4fcfc2e307c9e47fc7a153231e71e91e5e9e8e6680ca9bfd59cb00c151f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83ce4fcfc2e307c9e47fc7a153231e71e91e5e9e8e6680ca9bfd59cb00c151f", kill_on_drop: false }`
[INFO] [stdout] f83ce4fcfc2e307c9e47fc7a153231e71e91e5e9e8e6680ca9bfd59cb00c151f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fb8f507bec47af3f36b1c6673e0ae3d9f9c230e8be938a205763784c54c605d
[INFO] running `Command { std: "docker" "start" "-a" "8fb8f507bec47af3f36b1c6673e0ae3d9f9c230e8be938a205763784c54c605d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking mesh-generator-2d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/generator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::Float`
[INFO] [stdout]  --> src/generator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/generator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::Float`
[INFO] [stdout]  --> src/generator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_range`
[INFO] [stdout]   --> src/utils/geometry.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn plot_bounded(&self, x_range: (f64, f64)) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_range`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GridPoint2D` is never constructed
[INFO] [stdout]  --> src/grid.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct GridPoint2D {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `GridPoint2D` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/grid.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl GridPoint2D {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(i: usize, j: usize, x: f64, y: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grid2D` is never constructed
[INFO] [stdout]   --> src/grid.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Grid2D {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Grid2D` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_point`, `num_pts`, `extents`, and `get_next_ij` are never used
[INFO] [stdout]   --> src/grid.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Grid2D {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new(nx: usize, ny: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn add_point(&mut self, x: f64, y: f64) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn num_pts(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn extents(&self) -> (f64, f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn get_next_ij(&self) -> Option<(usize, usize)> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_range`
[INFO] [stdout]   --> src/utils/geometry.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn plot_bounded(&self, x_range: (f64, f64)) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_range`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GridPoint2D` is never constructed
[INFO] [stdout]  --> src/grid.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct GridPoint2D {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `GridPoint2D` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/grid.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl GridPoint2D {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(i: usize, j: usize, x: f64, y: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grid2D` is never constructed
[INFO] [stdout]   --> src/grid.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Grid2D {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Grid2D` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_point`, `num_pts`, `extents`, and `get_next_ij` are never used
[INFO] [stdout]   --> src/grid.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Grid2D {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new(nx: usize, ny: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn add_point(&mut self, x: f64, y: f64) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn num_pts(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn extents(&self) -> (f64, f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn get_next_ij(&self) -> Option<(usize, usize)> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "8fb8f507bec47af3f36b1c6673e0ae3d9f9c230e8be938a205763784c54c605d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb8f507bec47af3f36b1c6673e0ae3d9f9c230e8be938a205763784c54c605d", kill_on_drop: false }`
[INFO] [stdout] 8fb8f507bec47af3f36b1c6673e0ae3d9f9c230e8be938a205763784c54c605d