[INFO] cloning repository https://github.com/baransu/pbrt-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baransu/pbrt-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaransu%2Fpbrt-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaransu%2Fpbrt-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 53ec90df08604b10a992a88fb9991ff98778e43c [INFO] checking baransu/pbrt-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaransu%2Fpbrt-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/baransu/pbrt-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/baransu/pbrt-rs [INFO] finished tweaking git repo https://github.com/baransu/pbrt-rs [INFO] tweaked toml for git repo https://github.com/baransu/pbrt-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/baransu/pbrt-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.70 [INFO] [stderr] Downloaded num-derive v0.2.2 [INFO] [stderr] Downloaded inflate v0.4.3 [INFO] [stderr] Downloaded quote v0.6.4 [INFO] [stderr] Downloaded gif v0.10.0 [INFO] [stderr] Downloaded num-traits v0.2.5 [INFO] [stderr] Downloaded syn v0.14.5 [INFO] [stderr] Downloaded deflate v0.7.18 [INFO] [stderr] Downloaded proc-macro2 v0.4.9 [INFO] [stderr] Downloaded obj v0.8.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a22d3a94c866ba8e955bd03a38464dc995a468d3caba4f45b3eaa52edecad307 [INFO] running `Command { std: "docker" "start" "-a" "a22d3a94c866ba8e955bd03a38464dc995a468d3caba4f45b3eaa52edecad307", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a22d3a94c866ba8e955bd03a38464dc995a468d3caba4f45b3eaa52edecad307", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a22d3a94c866ba8e955bd03a38464dc995a468d3caba4f45b3eaa52edecad307", kill_on_drop: false }` [INFO] [stdout] a22d3a94c866ba8e955bd03a38464dc995a468d3caba4f45b3eaa52edecad307 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc55657bd669875117a344188fde0d65fc75bf1f0932dbd1869ec8391ecb8a4c [INFO] running `Command { std: "docker" "start" "-a" "dc55657bd669875117a344188fde0d65fc75bf1f0932dbd1869ec8391ecb8a4c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking obj v0.8.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Compiling syn v0.14.5 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking pbrt-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:339:63 [INFO] [stdout] | [INFO] [stdout] 339 | let material = intersection.element.material().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `scene::Material` does not implement `Clone`, so calling `clone` on `&scene::Material` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 339 - let material = intersection.element.material().clone(); [INFO] [stdout] 339 + let material = intersection.element.material(); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `scene::Material`, implement `Clone` for it [INFO] [stdout] --> src/pbrt/scene.rs:68:1 [INFO] [stdout] | [INFO] [stdout] 68 + #[derive(Clone)] [INFO] [stdout] 69 | pub enum Material { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:339:63 [INFO] [stdout] | [INFO] [stdout] 339 | let material = intersection.element.material().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `scene::Material` does not implement `Clone`, so calling `clone` on `&scene::Material` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 339 - let material = intersection.element.material().clone(); [INFO] [stdout] 339 + let material = intersection.element.material(); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `scene::Material`, implement `Clone` for it [INFO] [stdout] --> src/pbrt/scene.rs:68:1 [INFO] [stdout] | [INFO] [stdout] 68 + #[derive(Clone)] [INFO] [stdout] 69 | pub enum Material { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.09s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "dc55657bd669875117a344188fde0d65fc75bf1f0932dbd1869ec8391ecb8a4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc55657bd669875117a344188fde0d65fc75bf1f0932dbd1869ec8391ecb8a4c", kill_on_drop: false }` [INFO] [stdout] dc55657bd669875117a344188fde0d65fc75bf1f0932dbd1869ec8391ecb8a4c [INFO] checking baransu/pbrt-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaransu%2Fpbrt-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/baransu/pbrt-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/baransu/pbrt-rs [INFO] finished tweaking git repo https://github.com/baransu/pbrt-rs [INFO] tweaked toml for git repo https://github.com/baransu/pbrt-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/baransu/pbrt-rs 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0d8fac0dfbafed7be1288e53e849fe5a9acc226fef04288949b53a47ac50200 [INFO] running `Command { std: "docker" "start" "-a" "a0d8fac0dfbafed7be1288e53e849fe5a9acc226fef04288949b53a47ac50200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0d8fac0dfbafed7be1288e53e849fe5a9acc226fef04288949b53a47ac50200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0d8fac0dfbafed7be1288e53e849fe5a9acc226fef04288949b53a47ac50200", kill_on_drop: false }` [INFO] [stdout] a0d8fac0dfbafed7be1288e53e849fe5a9acc226fef04288949b53a47ac50200 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef0ede7bd13a9c492c3f0f520d36d969f496319d5218f5253f0550e40d59e6f2 [INFO] running `Command { std: "docker" "start" "-a" "ef0ede7bd13a9c492c3f0f520d36d969f496319d5218f5253f0550e40d59e6f2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking obj v0.8.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Compiling syn v0.14.5 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking pbrt-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:339:63 [INFO] [stdout] | [INFO] [stdout] 339 | let material = intersection.element.material().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `scene::Material` does not implement `Clone`, so calling `clone` on `&scene::Material` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 339 - let material = intersection.element.material().clone(); [INFO] [stdout] 339 + let material = intersection.element.material(); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `scene::Material`, implement `Clone` for it [INFO] [stdout] --> src/pbrt/scene.rs:68:1 [INFO] [stdout] | [INFO] [stdout] 68 + #[derive(Clone)] [INFO] [stdout] 69 | pub enum Material { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:339:63 [INFO] [stdout] | [INFO] [stdout] 339 | let material = intersection.element.material().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `scene::Material` does not implement `Clone`, so calling `clone` on `&scene::Material` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 339 - let material = intersection.element.material().clone(); [INFO] [stdout] 339 + let material = intersection.element.material(); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `scene::Material`, implement `Clone` for it [INFO] [stdout] --> src/pbrt/scene.rs:68:1 [INFO] [stdout] | [INFO] [stdout] 68 + #[derive(Clone)] [INFO] [stdout] 69 | pub enum Material { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.36s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ef0ede7bd13a9c492c3f0f520d36d969f496319d5218f5253f0550e40d59e6f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef0ede7bd13a9c492c3f0f520d36d969f496319d5218f5253f0550e40d59e6f2", kill_on_drop: false }` [INFO] [stdout] ef0ede7bd13a9c492c3f0f520d36d969f496319d5218f5253f0550e40d59e6f2