[INFO] cloning repository https://github.com/rednayan/png-msg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rednayan/png-msg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednayan%2Fpng-msg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednayan%2Fpng-msg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95117ad61a7ed05d61061ff8532de8a23c6e736e
[INFO] checking rednayan/png-msg against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednayan%2Fpng-msg" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rednayan/png-msg
[INFO] finished tweaking git repo https://github.com/rednayan/png-msg
[INFO] tweaked toml for git repo https://github.com/rednayan/png-msg written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rednayan/png-msg on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rednayan/png-msg 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded clap_lex v0.3.3
[INFO] [stderr]   Downloaded is-terminal v0.4.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded clap_derive v4.1.9
[INFO] [stderr]   Downloaded rustix v0.36.11
[INFO] [stderr]   Downloaded clap v4.1.11
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e85409f993be38ab51e3acafa8be32784c454104ed9660d2ff94301e64e7173
[INFO] running `Command { std: "docker" "start" "-a" "9e85409f993be38ab51e3acafa8be32784c454104ed9660d2ff94301e64e7173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e85409f993be38ab51e3acafa8be32784c454104ed9660d2ff94301e64e7173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e85409f993be38ab51e3acafa8be32784c454104ed9660d2ff94301e64e7173", kill_on_drop: false }`
[INFO] [stdout] 9e85409f993be38ab51e3acafa8be32784c454104ed9660d2ff94301e64e7173
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e76df60fbc53ddf2db4173b54450bf398204277cffab15c0995f477736ccb007
[INFO] running `Command { std: "docker" "start" "-a" "e76df60fbc53ddf2db4173b54450bf398204277cffab15c0995f477736ccb007", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking is-terminal v0.4.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.1.9
[INFO] [stderr]     Checking clap v4.1.11
[INFO] [stderr]     Checking png_msg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chunk_type.rs:17:52
[INFO] [stdout]    |
[INFO] [stdout] 17 | ...                   .all(|&b: &u8| (b >= b'a' && b < b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout]    |                                      ^                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -                                     .all(|&b: &u8| (b >= b'a' && b < b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout] 17 +                                     .all(|&b: &u8| b >= b'a' && b < b'z' || (b >= b'A' && b <= b'Z') );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chunk_type.rs:60:53
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let valid_chars = bytes_arr.iter().all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout]    |                                                     ^                                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -         let valid_chars = bytes_arr.iter().all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout] 60 +         let valid_chars = bytes_arr.iter().all(|&b| b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z') );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chunk_type.rs:17:52
[INFO] [stdout]    |
[INFO] [stdout] 17 | ...                   .all(|&b: &u8| (b >= b'a' && b < b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout]    |                                      ^                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -                                     .all(|&b: &u8| (b >= b'a' && b < b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout] 17 +                                     .all(|&b: &u8| b >= b'a' && b < b'z' || (b >= b'A' && b <= b'Z') );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chunk_type.rs:60:53
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let valid_chars = bytes_arr.iter().all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout]    |                                                     ^                                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -         let valid_chars = bytes_arr.iter().all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout] 60 +         let valid_chars = bytes_arr.iter().all(|&b| b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z') );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chunk` is never constructed
[INFO] [stdout]  --> src/chunk.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Chunk{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/chunk.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Chunk {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     pub const DATA_LENGTH_BYTES: usize = 4;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     pub const CHUNK_TYPE_BYTES: usize = 4;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     pub const CRC_BYTES: usize =  4;
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     pub const METADATA_BYTES: usize  = 
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new(chunk_type: ChunkType, data: Vec<u8>) -> Chunk{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn length(&self) -> usize{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn chunk_type(&self) -> &ChunkType{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn data(&self) -> &[u8]{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn data_as_string(&self) -> Result<String>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn crc(&self) -> u32{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn as_bytes(&self) -> Vec<u8>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChunkError` is never used
[INFO] [stdout]   --> src/chunk.rs:95:10
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub enum ChunkError {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChunkType` is never constructed
[INFO] [stdout]  --> src/chunk_type.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ChunkType {
[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:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ChunkType { 
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 10 |     pub fn bytes(&self) -> [u8;4] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn is_critical(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn is_public(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChunkTypeError` is never used
[INFO] [stdout]   --> src/chunk_type.rs:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub enum ChunkTypeError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Png` is never constructed
[INFO] [stdout]  --> src/png.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Png {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/png.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Png  {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 10 |     const STANDARD_HEADER: [u8;8]= [137, 80, 78, 71, 13, 10, 26, 10];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |
[INFO] [stdout] 12 |     fn from_chunks(chunks: Vec<Chunk>) -> Png {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn append_chunk(&mut self, chunk: Chunk) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn remove_chunk(&mut self,chunk_type: &str) -> Result<Chunk> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn header(&self) -> &[u8;8] {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn chunks(&self) -> &[Chunk] {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn chunk_by_type(&self,chunk_type: &str) -> Option<&Chunk> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn as_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PngError` is never used
[INFO] [stdout]   --> src/png.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub enum PngError {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "e76df60fbc53ddf2db4173b54450bf398204277cffab15c0995f477736ccb007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76df60fbc53ddf2db4173b54450bf398204277cffab15c0995f477736ccb007", kill_on_drop: false }`
[INFO] [stdout] e76df60fbc53ddf2db4173b54450bf398204277cffab15c0995f477736ccb007
