[INFO] fetching crate jpng 0.1.0... [INFO] checking jpng-0.1.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393 [INFO] extracting crate jpng 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate jpng 0.1.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jpng 0.1.0 [INFO] finished tweaking crates.io crate jpng 0.1.0 [INFO] tweaked toml for crates.io crate jpng 0.1.0 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" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded image v0.19.0 [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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 89209b872fabe75606ca30a71d63695123405a00b6ae12e34e0e8b7d64551faf [INFO] running `Command { std: "docker" "start" "-a" "89209b872fabe75606ca30a71d63695123405a00b6ae12e34e0e8b7d64551faf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89209b872fabe75606ca30a71d63695123405a00b6ae12e34e0e8b7d64551faf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89209b872fabe75606ca30a71d63695123405a00b6ae12e34e0e8b7d64551faf", kill_on_drop: false }` [INFO] [stdout] 89209b872fabe75606ca30a71d63695123405a00b6ae12e34e0e8b7d64551faf [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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b81e726c6cca146f7b001d30f4b375fcf5ed2ac542d9ef9bea15c6ddb35cb9be [INFO] running `Command { std: "docker" "start" "-a" "b81e726c6cca146f7b001d30f4b375fcf5ed2ac542d9ef9bea15c6ddb35cb9be", kill_on_drop: false }` [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking rayon v1.8.1 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking jpng v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `footer_size` is never read [INFO] [stdout] --> src/footer.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct JpngFooter { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | footer_size: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JpngFooter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `footer_size` is never read [INFO] [stdout] --> src/footer.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct JpngFooter { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | footer_size: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JpngFooter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | / self.image [INFO] [stdout] 69 | | .to_rgba() [INFO] [stdout] 70 | | .enumerate_pixels() [INFO] [stdout] 71 | | .zip(luma.pixels()) [INFO] [stdout] ... | [INFO] [stdout] 76 | | }); [INFO] [stdout] 77 | | }).collect::<()>(); [INFO] [stdout] | |______________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.image [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | / self.image [INFO] [stdout] 69 | | .to_rgba() [INFO] [stdout] 70 | | .enumerate_pixels() [INFO] [stdout] 71 | | .zip(luma.pixels()) [INFO] [stdout] ... | [INFO] [stdout] 76 | | }); [INFO] [stdout] 77 | | }).collect::<()>(); [INFO] [stdout] | |______________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.image [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 [unoptimized + debuginfo] target(s) in 5.47s [INFO] running `Command { std: "docker" "inspect" "b81e726c6cca146f7b001d30f4b375fcf5ed2ac542d9ef9bea15c6ddb35cb9be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b81e726c6cca146f7b001d30f4b375fcf5ed2ac542d9ef9bea15c6ddb35cb9be", kill_on_drop: false }` [INFO] [stdout] b81e726c6cca146f7b001d30f4b375fcf5ed2ac542d9ef9bea15c6ddb35cb9be [INFO] checking jpng-0.1.0 against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393 [INFO] extracting crate jpng 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate jpng 0.1.0 on toolchain 7622c0f807a4e13c4db886a1681bf343795692df [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jpng 0.1.0 [INFO] finished tweaking crates.io crate jpng 0.1.0 [INFO] tweaked toml for crates.io crate jpng 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6f2ed81f4440b916688eec0cbbe88673e94ab6f8eaa25f570908dcc7e98a556 [INFO] running `Command { std: "docker" "start" "-a" "a6f2ed81f4440b916688eec0cbbe88673e94ab6f8eaa25f570908dcc7e98a556", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6f2ed81f4440b916688eec0cbbe88673e94ab6f8eaa25f570908dcc7e98a556", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6f2ed81f4440b916688eec0cbbe88673e94ab6f8eaa25f570908dcc7e98a556", kill_on_drop: false }` [INFO] [stdout] a6f2ed81f4440b916688eec0cbbe88673e94ab6f8eaa25f570908dcc7e98a556 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dnon_local_definitions" "-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" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1be53864ad1b91d9347a33d0587830fb78c331823f896b5657b233a964d83582 [INFO] running `Command { std: "docker" "start" "-a" "1be53864ad1b91d9347a33d0587830fb78c331823f896b5657b233a964d83582", kill_on_drop: false }` [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking rayon v1.8.1 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking jpng v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `footer_size` is never read [INFO] [stdout] --> src/footer.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct JpngFooter { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | footer_size: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JpngFooter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation [INFO] [stdout] --> src/lib.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug, Fail)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_DERIVE_failure_Fail_FOR_JpngError` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: requested on the command line with `-D non-local-definitions` [INFO] [stdout] = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation [INFO] [stdout] --> src/lib.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug, Fail)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_DERIVE_failure_core_fmt_Display_FOR_JpngError` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `footer_size` is never read [INFO] [stdout] --> src/footer.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct JpngFooter { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | footer_size: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JpngFooter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | / self.image [INFO] [stdout] 69 | | .to_rgba() [INFO] [stdout] 70 | | .enumerate_pixels() [INFO] [stdout] 71 | | .zip(luma.pixels()) [INFO] [stdout] ... | [INFO] [stdout] 76 | | }); [INFO] [stdout] 77 | | }).collect::<()>(); [INFO] [stdout] | |______________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.image [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation [INFO] [stdout] --> src/lib.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug, Fail)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_DERIVE_failure_Fail_FOR_JpngError` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: requested on the command line with `-D non-local-definitions` [INFO] [stdout] = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation [INFO] [stdout] --> src/lib.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug, Fail)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_DERIVE_failure_core_fmt_Display_FOR_JpngError` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | / self.image [INFO] [stdout] 69 | | .to_rgba() [INFO] [stdout] 70 | | .enumerate_pixels() [INFO] [stdout] 71 | | .zip(luma.pixels()) [INFO] [stdout] ... | [INFO] [stdout] 76 | | }); [INFO] [stdout] 77 | | }).collect::<()>(); [INFO] [stdout] | |______________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.image [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jpng` (lib) due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jpng` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1be53864ad1b91d9347a33d0587830fb78c331823f896b5657b233a964d83582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1be53864ad1b91d9347a33d0587830fb78c331823f896b5657b233a964d83582", kill_on_drop: false }` [INFO] [stdout] 1be53864ad1b91d9347a33d0587830fb78c331823f896b5657b233a964d83582