[INFO] fetching crate photon-effects 1.0.0...
[INFO] checking photon-effects-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate photon-effects 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate photon-effects 1.0.0 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 crates.io crate photon-effects 1.0.0
[INFO] finished tweaking crates.io crate photon-effects 1.0.0
[INFO] tweaked toml for crates.io crate photon-effects 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 110 packages
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[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]  Downloading crates ...
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f3c3a87a48305bb317478d393393527d9631df12aab605f597b07f5ad775401
[INFO] running `Command { std: "docker" "start" "-a" "9f3c3a87a48305bb317478d393393527d9631df12aab605f597b07f5ad775401", kill_on_drop: false }`
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[INFO] [stdout] 9f3c3a87a48305bb317478d393393527d9631df12aab605f597b07f5ad775401
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking photon-effects v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/photon_effects.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     photon::native::save_image(
[INFO] [stdout] 27 | |         img,
[INFO] [stdout] 28 | |         &format!("{}/{}_solarize.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 29 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let _ = photon::native::save_image(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/photon_effects.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     photon::native::save_image(
[INFO] [stdout] 59 | |         img,
[INFO] [stdout] 60 | |         &format!("{}/{}_colorize.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 61 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let _ = photon::native::save_image(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/photon_effects.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     photon::native::save_image(
[INFO] [stdout] 91 | |         img,
[INFO] [stdout] 92 | |         &format!("{}/{}_halftone.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 93 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let _ = photon::native::save_image(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | /     photon::native::save_image(
[INFO] [stdout] 125 | |         img,
[INFO] [stdout] 126 | |         &format!(
[INFO] [stdout] 127 | |             "{}/{}_horizontal_strips.jpg",
[INFO] [stdout] 128 | |             image_output_directory, parse_filename
[INFO] [stdout] 129 | |         )[..],
[INFO] [stdout] 130 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 161 | /     photon::native::save_image(
[INFO] [stdout] 162 | |         img,
[INFO] [stdout] 163 | |         &format!(
[INFO] [stdout] 164 | |             "{}/{}_horizontal_strips.jpg",
[INFO] [stdout] 165 | |             image_output_directory, parse_filename
[INFO] [stdout] 166 | |         )[..],
[INFO] [stdout] 167 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | /     photon::native::save_image(
[INFO] [stdout] 199 | |         img,
[INFO] [stdout] 200 | |         &format!(
[INFO] [stdout] 201 | |             "{}/{}_inc_brightness.jpg",
[INFO] [stdout] 202 | |             image_output_directory, parse_filename
[INFO] [stdout] 203 | |         )[..],
[INFO] [stdout] 204 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 | /     photon::native::save_image(
[INFO] [stdout] 240 | |         img,
[INFO] [stdout] 241 | |         &format!(
[INFO] [stdout] 242 | |             "{}/{}_multiple_offsets.jpg",
[INFO] [stdout] 243 | |             image_output_directory, parse_filename
[INFO] [stdout] 244 | |         )[..],
[INFO] [stdout] 245 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 278 | /     photon::native::save_image(
[INFO] [stdout] 279 | |         img,
[INFO] [stdout] 280 | |         &format!("{}/{}_offset.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 281 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:312:5
[INFO] [stdout]     |
[INFO] [stdout] 312 | /     photon::native::save_image(
[INFO] [stdout] 313 | |         img,
[INFO] [stdout] 314 | |         &format!(
[INFO] [stdout] 315 | |             "{}/{}_offset_blue.jpg",
[INFO] [stdout] 316 | |             image_output_directory, parse_filename
[INFO] [stdout] 317 | |         )[..],
[INFO] [stdout] 318 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 | /     photon::native::save_image(
[INFO] [stdout] 350 | |         img,
[INFO] [stdout] 351 | |         &format!(
[INFO] [stdout] 352 | |             "{}/{}_offset_green.jpg",
[INFO] [stdout] 353 | |             image_output_directory, parse_filename
[INFO] [stdout] 354 | |         )[..],
[INFO] [stdout] 355 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:386:5
[INFO] [stdout]     |
[INFO] [stdout] 386 | /     photon::native::save_image(
[INFO] [stdout] 387 | |         img,
[INFO] [stdout] 388 | |         &format!(
[INFO] [stdout] 389 | |             "{}/{}_offset_red.jpg",
[INFO] [stdout] 390 | |             image_output_directory, parse_filename
[INFO] [stdout] 391 | |         )[..],
[INFO] [stdout] 392 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 386 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:421:5
[INFO] [stdout]     |
[INFO] [stdout] 421 | /     photon::native::save_image(
[INFO] [stdout] 422 | |         img,
[INFO] [stdout] 423 | |         &format!("{}/{}_primary.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 424 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 421 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:459:5
[INFO] [stdout]     |
[INFO] [stdout] 459 | /     photon::native::save_image(
[INFO] [stdout] 460 | |         img,
[INFO] [stdout] 461 | |         &format!("{}/{}_tint.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 462 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/photon_effects.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     photon::native::save_image(
[INFO] [stdout] 27 | |         img,
[INFO] [stdout] 28 | |         &format!("{}/{}_solarize.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 29 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let _ = photon::native::save_image(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/photon_effects.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     photon::native::save_image(
[INFO] [stdout] 59 | |         img,
[INFO] [stdout] 60 | |         &format!("{}/{}_colorize.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 61 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let _ = photon::native::save_image(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/photon_effects.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     photon::native::save_image(
[INFO] [stdout] 91 | |         img,
[INFO] [stdout] 92 | |         &format!("{}/{}_halftone.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 93 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let _ = photon::native::save_image(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | /     photon::native::save_image(
[INFO] [stdout] 125 | |         img,
[INFO] [stdout] 126 | |         &format!(
[INFO] [stdout] 127 | |             "{}/{}_horizontal_strips.jpg",
[INFO] [stdout] 128 | |             image_output_directory, parse_filename
[INFO] [stdout] 129 | |         )[..],
[INFO] [stdout] 130 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 161 | /     photon::native::save_image(
[INFO] [stdout] 162 | |         img,
[INFO] [stdout] 163 | |         &format!(
[INFO] [stdout] 164 | |             "{}/{}_horizontal_strips.jpg",
[INFO] [stdout] 165 | |             image_output_directory, parse_filename
[INFO] [stdout] 166 | |         )[..],
[INFO] [stdout] 167 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | /     photon::native::save_image(
[INFO] [stdout] 199 | |         img,
[INFO] [stdout] 200 | |         &format!(
[INFO] [stdout] 201 | |             "{}/{}_inc_brightness.jpg",
[INFO] [stdout] 202 | |             image_output_directory, parse_filename
[INFO] [stdout] 203 | |         )[..],
[INFO] [stdout] 204 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 | /     photon::native::save_image(
[INFO] [stdout] 240 | |         img,
[INFO] [stdout] 241 | |         &format!(
[INFO] [stdout] 242 | |             "{}/{}_multiple_offsets.jpg",
[INFO] [stdout] 243 | |             image_output_directory, parse_filename
[INFO] [stdout] 244 | |         )[..],
[INFO] [stdout] 245 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 278 | /     photon::native::save_image(
[INFO] [stdout] 279 | |         img,
[INFO] [stdout] 280 | |         &format!("{}/{}_offset.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 281 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:312:5
[INFO] [stdout]     |
[INFO] [stdout] 312 | /     photon::native::save_image(
[INFO] [stdout] 313 | |         img,
[INFO] [stdout] 314 | |         &format!(
[INFO] [stdout] 315 | |             "{}/{}_offset_blue.jpg",
[INFO] [stdout] 316 | |             image_output_directory, parse_filename
[INFO] [stdout] 317 | |         )[..],
[INFO] [stdout] 318 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 | /     photon::native::save_image(
[INFO] [stdout] 350 | |         img,
[INFO] [stdout] 351 | |         &format!(
[INFO] [stdout] 352 | |             "{}/{}_offset_green.jpg",
[INFO] [stdout] 353 | |             image_output_directory, parse_filename
[INFO] [stdout] 354 | |         )[..],
[INFO] [stdout] 355 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:386:5
[INFO] [stdout]     |
[INFO] [stdout] 386 | /     photon::native::save_image(
[INFO] [stdout] 387 | |         img,
[INFO] [stdout] 388 | |         &format!(
[INFO] [stdout] 389 | |             "{}/{}_offset_red.jpg",
[INFO] [stdout] 390 | |             image_output_directory, parse_filename
[INFO] [stdout] 391 | |         )[..],
[INFO] [stdout] 392 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 386 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:421:5
[INFO] [stdout]     |
[INFO] [stdout] 421 | /     photon::native::save_image(
[INFO] [stdout] 422 | |         img,
[INFO] [stdout] 423 | |         &format!("{}/{}_primary.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 424 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 421 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/photon_effects.rs:459:5
[INFO] [stdout]     |
[INFO] [stdout] 459 | /     photon::native::save_image(
[INFO] [stdout] 460 | |         img,
[INFO] [stdout] 461 | |         &format!("{}/{}_tint.jpg", image_output_directory, parse_filename)[..],
[INFO] [stdout] 462 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let _ = photon::native::save_image(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.78
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "8859a5849ef504d29a126158d09f8c0e7c0e738e71ac69b58ca93afe0fd09f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8859a5849ef504d29a126158d09f8c0e7c0e738e71ac69b58ca93afe0fd09f9e", kill_on_drop: false }`
[INFO] [stdout] 8859a5849ef504d29a126158d09f8c0e7c0e738e71ac69b58ca93afe0fd09f9e