[INFO] fetching crate jpng 0.1.0... [INFO] checking jpng-0.1.0 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013 [INFO] extracting crate jpng 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate jpng 0.1.0 on toolchain 2e6fc425411280c658d852813de01c5157255088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "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-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 48 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding deflate v0.7.20 (latest: v1.0.0) [INFO] [stderr] Adding gif v0.10.3 (latest: v0.13.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding image v0.19.0 (latest: v0.25.2) [INFO] [stderr] Adding jpeg-decoder v0.1.22 (latest: v0.3.1) [INFO] [stderr] Adding num-derive v0.2.5 (latest: v0.4.2) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.2) [INFO] [stderr] Adding png v0.12.0 (latest: v0.17.13) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.36) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.72) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.72) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded png v0.12.0 [INFO] [stderr] Downloaded image v0.19.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b49dff4a74734b821d006cdf7b3376ba9a4a601fb2ba213751489ee8dfebe750 [INFO] running `Command { std: "docker" "start" "-a" "b49dff4a74734b821d006cdf7b3376ba9a4a601fb2ba213751489ee8dfebe750", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b49dff4a74734b821d006cdf7b3376ba9a4a601fb2ba213751489ee8dfebe750", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b49dff4a74734b821d006cdf7b3376ba9a4a601fb2ba213751489ee8dfebe750", kill_on_drop: false }` [INFO] [stdout] b49dff4a74734b821d006cdf7b3376ba9a4a601fb2ba213751489ee8dfebe750 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be5efacff9221f6125d57b6dc39a8c803faf3a0f1ea3a3ebbda508794c0475d6 [INFO] running `Command { std: "docker" "start" "-a" "be5efacff9221f6125d57b6dc39a8c803faf3a0f1ea3a3ebbda508794c0475d6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking object v0.36.2 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking backtrace v0.3.73 [INFO] [stderr] Checking failure v0.1.8 [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` profile [unoptimized + debuginfo] target(s) in 3.34s [INFO] running `Command { std: "docker" "inspect" "be5efacff9221f6125d57b6dc39a8c803faf3a0f1ea3a3ebbda508794c0475d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be5efacff9221f6125d57b6dc39a8c803faf3a0f1ea3a3ebbda508794c0475d6", kill_on_drop: false }` [INFO] [stdout] be5efacff9221f6125d57b6dc39a8c803faf3a0f1ea3a3ebbda508794c0475d6