[INFO] updating cached repository https://github.com/niloco/rust_rt
[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] 1e61251abb67342f853ad833bf0adf5aba094c1c
[INFO] checking niloco/rust_rt against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniloco%2Frust_rt" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niloco/rust_rt on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/niloco/rust_rt
[INFO] finished tweaking git repo https://github.com/niloco/rust_rt
[INFO] tweaked toml for git repo https://github.com/niloco/rust_rt written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/niloco/rust_rt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 16e1502de33a784ca44e3d6bdd4e813441a4da4a605b40a502ac07d3b9e8425e
[INFO] running `"docker" "start" "-a" "16e1502de33a784ca44e3d6bdd4e813441a4da4a605b40a502ac07d3b9e8425e"`
[INFO] [stderr]     Checking rust_rt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `a`
[INFO] [stderr]  --> src/rt/ray.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     a: Vec3,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `origin`
[INFO] [stderr]   --> src/rt/ray.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn origin(&self) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `point_at_parameter`
[INFO] [stderr]   --> src/rt/ray.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn point_at_parameter(&self, t: f32) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Image`
[INFO] [stderr]  --> src/rt/image.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Image {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/rt/image.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(x: usize, y: usize) -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/rt/image.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut Pixel> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/rt/image.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn print(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `r`
[INFO] [stderr]   --> src/rt/image.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     r: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `g`
[INFO] [stderr]   --> src/rt/image.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     g: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `b`
[INFO] [stderr]   --> src/rt/image.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     b: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rt/image.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_vals`
[INFO] [stderr]   --> src/rt/image.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_vals(r: u8, g: u8, b: u8) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/rt/image.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn set(&mut self, r: u8, g: u8, b: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `a`
[INFO] [stderr]  --> src/rt/ray.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     a: Vec3,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `origin`
[INFO] [stderr]   --> src/rt/ray.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn origin(&self) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `point_at_parameter`
[INFO] [stderr]   --> src/rt/ray.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn point_at_parameter(&self, t: f32) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Image`
[INFO] [stderr]  --> src/rt/image.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Image {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/rt/image.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(x: usize, y: usize) -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/rt/image.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut Pixel> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/rt/image.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn print(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `r`
[INFO] [stderr]   --> src/rt/image.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     r: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `g`
[INFO] [stderr]   --> src/rt/image.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     g: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `b`
[INFO] [stderr]   --> src/rt/image.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     b: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rt/image.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_vals`
[INFO] [stderr]   --> src/rt/image.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_vals(r: u8, g: u8, b: u8) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/rt/image.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn set(&mut self, r: u8, g: u8, b: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "16e1502de33a784ca44e3d6bdd4e813441a4da4a605b40a502ac07d3b9e8425e"`
[INFO] running `"docker" "rm" "-f" "16e1502de33a784ca44e3d6bdd4e813441a4da4a605b40a502ac07d3b9e8425e"`
[INFO] [stdout] 16e1502de33a784ca44e3d6bdd4e813441a4da4a605b40a502ac07d3b9e8425e