[INFO] cloning repository https://github.com/ZephroC/rust-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZephroC/rust-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZephroC%2Frust-tracer", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07808f7ffbc1d193741538d544ed1285b582ff05
[INFO] testing ZephroC/rust-tracer against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZephroC%2Frust-tracer" "/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/ZephroC/rust-tracer
[INFO] finished tweaking git repo https://github.com/ZephroC/rust-tracer
[INFO] tweaked toml for git repo https://github.com/ZephroC/rust-tracer written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ZephroC/rust-tracer on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
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[INFO] crate git repo https://github.com/ZephroC/rust-tracer 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rust-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `reflect`
[INFO] [stdout]    --> src/tracer/mod.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let reflect =  ray.dir - 2.0 * ray.dir.dot(&hit_info.normal) * hit_info.normal;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reflect`
[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/buffer.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut front_buffer: Vec<u8> = vec![255; usize::try_from(pixels * byte_stride).unwrap()];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/buffer.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut rear_buffer: Vec<u8> = vec![255; usize::try_from(pixels * byte_stride).unwrap()];
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `res` is never read
[INFO] [stdout]  --> src/buffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FrameBuffer {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     res: Resolution,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/config.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/window.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(res: Resolution, frame: &FrameBuffer) -> WindowState {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(res: Resolution, frame: &FrameBuffer) -> WindowState<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::index::sample`
[INFO] [stdout]   --> src/bin/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::seq::index::sample;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]   --> src/bin/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "e90af0eb32278e0ec8193187ed642077c64bc31b950a5e60a1d416dd8a1e842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90af0eb32278e0ec8193187ed642077c64bc31b950a5e60a1d416dd8a1e842c", kill_on_drop: false }`
[INFO] [stdout] e90af0eb32278e0ec8193187ed642077c64bc31b950a5e60a1d416dd8a1e842c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 502276b2be5299d097b33f0b746b496145fae00b9a3c48675eb2bf248724a254
[INFO] running `Command { std: "docker" "start" "-a" "502276b2be5299d097b33f0b746b496145fae00b9a3c48675eb2bf248724a254", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `reflect`
[INFO] [stdout]    --> src/tracer/mod.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let reflect =  ray.dir - 2.0 * ray.dir.dot(&hit_info.normal) * hit_info.normal;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reflect`
[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/buffer.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut front_buffer: Vec<u8> = vec![255; usize::try_from(pixels * byte_stride).unwrap()];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/buffer.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut rear_buffer: Vec<u8> = vec![255; usize::try_from(pixels * byte_stride).unwrap()];
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `res` is never read
[INFO] [stdout]  --> src/buffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FrameBuffer {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     res: Resolution,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/config.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/window.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(res: Resolution, frame: &FrameBuffer) -> WindowState {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(res: Resolution, frame: &FrameBuffer) -> WindowState<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::index::sample`
[INFO] [stdout]   --> src/bin/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::seq::index::sample;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]   --> src/bin/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reflect`
[INFO] [stdout]    --> src/tracer/mod.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let reflect =  ray.dir - 2.0 * ray.dir.dot(&hit_info.normal) * hit_info.normal;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reflect`
[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/buffer.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut front_buffer: Vec<u8> = vec![255; usize::try_from(pixels * byte_stride).unwrap()];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/buffer.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut rear_buffer: Vec<u8> = vec![255; usize::try_from(pixels * byte_stride).unwrap()];
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `res` is never read
[INFO] [stdout]  --> src/buffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FrameBuffer {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     res: Resolution,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/config.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/window.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(res: Resolution, frame: &FrameBuffer) -> WindowState {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(res: Resolution, frame: &FrameBuffer) -> WindowState<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "502276b2be5299d097b33f0b746b496145fae00b9a3c48675eb2bf248724a254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502276b2be5299d097b33f0b746b496145fae00b9a3c48675eb2bf248724a254", kill_on_drop: false }`
[INFO] [stdout] 502276b2be5299d097b33f0b746b496145fae00b9a3c48675eb2bf248724a254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f20b36b262fd065b8b3ecbf5aac434100fc3b2b2e0f65e2ba0870fd5a3825d01
[INFO] running `Command { std: "docker" "start" "-a" "f20b36b262fd065b8b3ecbf5aac434100fc3b2b2e0f65e2ba0870fd5a3825d01", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `reflect`
[INFO] [stderr]    --> src/tracer/mod.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let reflect =  ray.dir - 2.0 * ray.dir.dot(&hit_info.normal) * hit_info.normal;
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reflect`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/buffer.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut front_buffer: Vec<u8> = vec![255; usize::try_from(pixels * byte_stride).unwrap()];
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/buffer.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut rear_buffer: Vec<u8> = vec![255; usize::try_from(pixels * byte_stride).unwrap()];
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `res` is never read
[INFO] [stderr]  --> src/buffer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct FrameBuffer {
[INFO] [stderr]   |            ----------- field in this struct
[INFO] [stderr] 6 |     res: Resolution,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/config.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |         Err(f) => panic!(f.to_string()),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 23 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stderr]    |                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/window.rs:34:36
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn new(res: Resolution, frame: &FrameBuffer) -> WindowState {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                    |
[INFO] [stderr]    |                                    the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn new(res: Resolution, frame: &FrameBuffer) -> WindowState<'_> {
[INFO] [stderr]    |                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-tracer` (lib) generated 6 warnings (run `cargo fix --lib -p rust-tracer` to apply 5 suggestions)
[INFO] [stderr] warning: `rust-tracer` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: unused import: `rand::seq::index::sample`
[INFO] [stderr]   --> src/bin/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::seq::index::sample;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::RwLock`
[INFO] [stderr]   --> src/bin/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::sync::RwLock;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-tracer` (bin "main" test) generated 2 warnings (run `cargo fix --bin "main" -p rust-tracer --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_tracer-739a6431a6a43df2)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tracer::geom::plane::tests::test_intersects ... ok
[INFO] [stdout] test tracer::geom::sphere::tests::test_intersects ... ok
[INFO] [stdout] test tracer::tests::test_screen_coords ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-a1c2b63716308d88)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_tracer
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f20b36b262fd065b8b3ecbf5aac434100fc3b2b2e0f65e2ba0870fd5a3825d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20b36b262fd065b8b3ecbf5aac434100fc3b2b2e0f65e2ba0870fd5a3825d01", kill_on_drop: false }`
[INFO] [stdout] f20b36b262fd065b8b3ecbf5aac434100fc3b2b2e0f65e2ba0870fd5a3825d01
