[INFO] cloning repository https://github.com/andresovela/png-message [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andresovela/png-message" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresovela%2Fpng-message", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresovela%2Fpng-message'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 829d1397ac4f66bc4330d0ef025e552a4f4c54de [INFO] checking andresovela/png-message/829d1397ac4f66bc4330d0ef025e552a4f4c54de against master#2dece5bb62f234f5622a08289c5a3d1555cd7843 for pr-132325 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresovela%2Fpng-message" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andresovela/png-message on toolchain 2dece5bb62f234f5622a08289c5a3d1555cd7843 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2dece5bb62f234f5622a08289c5a3d1555cd7843" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andresovela/png-message [INFO] finished tweaking git repo https://github.com/andresovela/png-message [INFO] tweaked toml for git repo https://github.com/andresovela/png-message written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/andresovela/png-message 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" "+2dece5bb62f234f5622a08289c5a3d1555cd7843" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+2dece5bb62f234f5622a08289c5a3d1555cd7843" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcb018eb2372048096e544149dc2220e3fdff1c51e3a92cf5a5247cc43b91c0b [INFO] running `Command { std: "docker" "start" "-a" "fcb018eb2372048096e544149dc2220e3fdff1c51e3a92cf5a5247cc43b91c0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcb018eb2372048096e544149dc2220e3fdff1c51e3a92cf5a5247cc43b91c0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcb018eb2372048096e544149dc2220e3fdff1c51e3a92cf5a5247cc43b91c0b", kill_on_drop: false }` [INFO] [stdout] fcb018eb2372048096e544149dc2220e3fdff1c51e3a92cf5a5247cc43b91c0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+2dece5bb62f234f5622a08289c5a3d1555cd7843" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c1c53840d9e6d57c8b855f9d3ae21b91b9550f12f24ea4d9fe38c3c8afcef00 [INFO] running `Command { std: "docker" "start" "-a" "7c1c53840d9e6d57c8b855f9d3ae21b91b9550f12f24ea4d9fe38c3c8afcef00", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling fehler-macros v1.0.0 [INFO] [stderr] Checking fehler v1.0.0 [INFO] [stderr] Checking png-msg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `length`, `chunk_type`, `data`, and `crc` are never read [INFO] [stdout] --> src/chunk.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Chunk { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 9 | length: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 10 | chunk_type: ChunkType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 11 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | crc: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Chunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/chunk.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Chunk { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 16 | pub fn new(chunk_type: ChunkType, data: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn length(&self) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn chunk_type(&self) -> &ChunkType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn data(&self) -> &[u8] { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn crc(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn data_as_string(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn as_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `bytes`, `is_valid`, `is_critical`, `is_public`, `is_reserved_bit_valid`, and `is_safe_to_copy` are never used [INFO] [stdout] --> src/chunk_type.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl ChunkType { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 12 | pub fn bytes(&self) -> &[u8; 4] { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn is_critical(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn is_public(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn is_reserved_bit_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn is_safe_to_copy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `header` and `chunks` are never read [INFO] [stdout] --> src/png.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Png { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 8 | header: [u8; 8], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | chunks: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/png.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Png { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 15 | fn from_chunks(chunks: Vec) -> Png { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn append_chunk(&mut self, chunk: Chunk) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | fn remove_chunk(&mut self, chunk_type: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn header(&self) -> &[u8; 8] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn chunks(&self) -> &[Chunk] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn as_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `data` is never used [INFO] [stdout] --> src/chunk.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Chunk { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn data(&self) -> &[u8] { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `header` is never used [INFO] [stdout] --> src/png.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Png { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | fn header(&self) -> &[u8; 8] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.42s [INFO] running `Command { std: "docker" "inspect" "7c1c53840d9e6d57c8b855f9d3ae21b91b9550f12f24ea4d9fe38c3c8afcef00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c1c53840d9e6d57c8b855f9d3ae21b91b9550f12f24ea4d9fe38c3c8afcef00", kill_on_drop: false }` [INFO] [stdout] 7c1c53840d9e6d57c8b855f9d3ae21b91b9550f12f24ea4d9fe38c3c8afcef00