[INFO] cloning repository https://github.com/vtan/raytracer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vtan/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvtan%2Fraytracer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvtan%2Fraytracer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f92c963224e507616a23c98025c2484a783d48c [INFO] testing vtan/raytracer against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvtan%2Fraytracer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/vtan/raytracer [INFO] finished tweaking git repo https://github.com/vtan/raytracer [INFO] tweaked toml for git repo https://github.com/vtan/raytracer written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/vtan/raytracer on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/vtan/raytracer 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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_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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a927f1bbe56c13c1d8e4e63b86e6dd5548f76245e2b8e04a129aed41c2f76131 [INFO] running `Command { std: "docker" "start" "-a" "a927f1bbe56c13c1d8e4e63b86e6dd5548f76245e2b8e04a129aed41c2f76131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a927f1bbe56c13c1d8e4e63b86e6dd5548f76245e2b8e04a129aed41c2f76131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a927f1bbe56c13c1d8e4e63b86e6dd5548f76245e2b8e04a129aed41c2f76131", kill_on_drop: false }` [INFO] [stdout] a927f1bbe56c13c1d8e4e63b86e6dd5548f76245e2b8e04a129aed41c2f76131 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 142d15f858b1fed50d252e52827d5186b765a6dc3faa0d180d71952e594ae181 [INFO] running `Command { std: "docker" "start" "-a" "142d15f858b1fed50d252e52827d5186b765a6dc3faa0d180d71952e594ae181", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling inflate v0.3.4 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling rand_distr v0.4.1 [INFO] [stderr] Compiling raytracer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bounding_box_tree.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 11 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bounding_box_tree.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 31 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/surface.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option; [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 14 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/surface.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 19 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/surface.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 50 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 6.90s [INFO] running `Command { std: "docker" "inspect" "142d15f858b1fed50d252e52827d5186b765a6dc3faa0d180d71952e594ae181", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "142d15f858b1fed50d252e52827d5186b765a6dc3faa0d180d71952e594ae181", kill_on_drop: false }` [INFO] [stdout] 142d15f858b1fed50d252e52827d5186b765a6dc3faa0d180d71952e594ae181 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8055417cb1885cfe07a99a4c8afc7ad2a53dafba5e01cabbe9a8fdc3cf6c0dc0 [INFO] running `Command { std: "docker" "start" "-a" "8055417cb1885cfe07a99a4c8afc7ad2a53dafba5e01cabbe9a8fdc3cf6c0dc0", kill_on_drop: false }` [INFO] [stderr] Compiling raytracer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bounding_box_tree.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 11 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bounding_box_tree.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 31 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/surface.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option; [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 14 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/surface.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 19 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/surface.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 50 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [optimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "8055417cb1885cfe07a99a4c8afc7ad2a53dafba5e01cabbe9a8fdc3cf6c0dc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8055417cb1885cfe07a99a4c8afc7ad2a53dafba5e01cabbe9a8fdc3cf6c0dc0", kill_on_drop: false }` [INFO] [stdout] 8055417cb1885cfe07a99a4c8afc7ad2a53dafba5e01cabbe9a8fdc3cf6c0dc0 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 81f5aacedfd484c22a3ae41afdb132fa4d61d3f197142110d4c58565853511b1 [INFO] running `Command { std: "docker" "start" "-a" "81f5aacedfd484c22a3ae41afdb132fa4d61d3f197142110d4c58565853511b1", kill_on_drop: false }` [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/bounding_box_tree.rs:11:12 [INFO] [stderr] | [INFO] [stderr] 11 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stderr] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 11 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/bounding_box_tree.rs:31:12 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 31 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stdout] [INFO] [stderr] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 31 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/surface.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option; [INFO] [stderr] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 14 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option>; [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/surface.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 19 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stderr] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 19 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/surface.rs:50:12 [INFO] [stderr] | [INFO] [stderr] 50 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option { [INFO] [stderr] | ^^^^^ this lifetime flows to the output -------------- the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 50 | fn hit(&self, ray: Ray, t_min: f64, t_max: f64) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `raytracer` (bin "raytracer" test) generated 5 warnings (run `cargo fix --bin "raytracer" --tests` to apply 5 suggestions) [INFO] [stderr] Finished `test` profile [optimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/raytracer-479768d9f072fc54) [INFO] running `Command { std: "docker" "inspect" "81f5aacedfd484c22a3ae41afdb132fa4d61d3f197142110d4c58565853511b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81f5aacedfd484c22a3ae41afdb132fa4d61d3f197142110d4c58565853511b1", kill_on_drop: false }` [INFO] [stdout] 81f5aacedfd484c22a3ae41afdb132fa4d61d3f197142110d4c58565853511b1