[INFO] cloning repository https://github.com/Zitronenjoghurt/lemon-png [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zitronenjoghurt/lemon-png" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZitronenjoghurt%2Flemon-png", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZitronenjoghurt%2Flemon-png'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11c86c2d1120da73d1afd2cea47f638680cfcc2f [INFO] checking Zitronenjoghurt/lemon-png against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZitronenjoghurt%2Flemon-png" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Zitronenjoghurt/lemon-png [INFO] finished tweaking git repo https://github.com/Zitronenjoghurt/lemon-png [INFO] tweaked toml for git repo https://github.com/Zitronenjoghurt/lemon-png written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Zitronenjoghurt/lemon-png on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Zitronenjoghurt/lemon-png 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 877ca67026373a76326b562482e9fa101df0b806909a1c587c83017f29e7a57f [INFO] running `Command { std: "docker" "start" "-a" "877ca67026373a76326b562482e9fa101df0b806909a1c587c83017f29e7a57f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "877ca67026373a76326b562482e9fa101df0b806909a1c587c83017f29e7a57f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "877ca67026373a76326b562482e9fa101df0b806909a1c587c83017f29e7a57f", kill_on_drop: false }` [INFO] [stdout] 877ca67026373a76326b562482e9fa101df0b806909a1c587c83017f29e7a57f [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 802c75e2b54539754d91908253184e259117541f82c3a076a855e7679d8c3e07 [INFO] running `Command { std: "docker" "start" "-a" "802c75e2b54539754d91908253184e259117541f82c3a076a855e7679d8c3e07", kill_on_drop: false }` [INFO] [stderr] Checking crc32fast v1.5.0 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Checking flate2 v1.1.2 [INFO] [stderr] Checking lemon-png v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/rendering/filtering.rs:13:26 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn filter(&self, stream: &[u8], scanline_width: usize) -> Vec { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scanline_width` [INFO] [stdout] --> src/rendering/filtering.rs:13:41 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn filter(&self, stream: &[u8], scanline_width: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanline_width` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/rendering/filtering.rs:13:26 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn filter(&self, stream: &[u8], scanline_width: usize) -> Vec { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scanline_width` [INFO] [stdout] --> src/rendering/filtering.rs:13:41 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn filter(&self, stream: &[u8], scanline_width: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanline_width` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_type` is never used [INFO] [stdout] --> src/codec/parsed_chunk.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl ParsedChunk { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 15 | pub fn get_type(&self) -> ChunkType { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_rgb8` is never used [INFO] [stdout] --> src/color.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 52 | pub trait ColorTrait { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 53 | fn as_rgb8(&self) -> ColorRGB8; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_rgb8` is never used [INFO] [stdout] --> src/color.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub trait ColorBufferTrait { [INFO] [stdout] | ---------------- method in this trait [INFO] [stdout] 58 | fn as_rgb8(&self) -> Vec; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/png/types/palette.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Palette(Vec); [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Palette` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/png/types/scanline.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct UnfilteredScanline(Vec); [INFO] [stdout] | ------------------ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `UnfilteredScanline` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `filter` and `filter_byte` are never used [INFO] [stdout] --> src/rendering/filtering.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Filterer { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 13 | pub fn filter(&self, stream: &[u8], scanline_width: usize) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn filter_byte(a: u8, b: u8, c: u8, x: u8, filter_type: FilterType) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_u8` is never used [INFO] [stdout] --> src/utils/bytestream.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn read_u8(stream: &[u8], offset: usize) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_u16_be` is never used [INFO] [stdout] --> src/utils/bytestream.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn read_u16_be(stream: &[u8], offset: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `crc32` is never used [INFO] [stdout] --> src/utils/crc.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn crc32(data: &[u8]) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_type` is never used [INFO] [stdout] --> src/codec/parsed_chunk.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl ParsedChunk { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 15 | pub fn get_type(&self) -> ChunkType { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_rgb8` is never used [INFO] [stdout] --> src/color.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 52 | pub trait ColorTrait { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 53 | fn as_rgb8(&self) -> ColorRGB8; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_rgb8` is never used [INFO] [stdout] --> src/color.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub trait ColorBufferTrait { [INFO] [stdout] | ---------------- method in this trait [INFO] [stdout] 58 | fn as_rgb8(&self) -> Vec; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/png/types/palette.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Palette(Vec); [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Palette` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/png/types/scanline.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct UnfilteredScanline(Vec); [INFO] [stdout] | ------------------ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `UnfilteredScanline` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `filter` and `filter_byte` are never used [INFO] [stdout] --> src/rendering/filtering.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Filterer { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 13 | pub fn filter(&self, stream: &[u8], scanline_width: usize) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn filter_byte(a: u8, b: u8, c: u8, x: u8, filter_type: FilterType) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_u8` is never used [INFO] [stdout] --> src/utils/bytestream.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn read_u8(stream: &[u8], offset: usize) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_u16_be` is never used [INFO] [stdout] --> src/utils/bytestream.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn read_u16_be(stream: &[u8], offset: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `crc32` is never used [INFO] [stdout] --> src/utils/crc.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn crc32(data: &[u8]) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/png/chunk.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 86 | pub fn iter(&self) -> std::slice::Iter<'_, Chunk> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/png/chunk.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 86 | pub fn iter(&self) -> std::slice::Iter<'_, Chunk> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "802c75e2b54539754d91908253184e259117541f82c3a076a855e7679d8c3e07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "802c75e2b54539754d91908253184e259117541f82c3a076a855e7679d8c3e07", kill_on_drop: false }` [INFO] [stdout] 802c75e2b54539754d91908253184e259117541f82c3a076a855e7679d8c3e07