[INFO] cloning repository https://github.com/gregorioD/PNGme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregorioD/PNGme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgregorioD%2FPNGme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgregorioD%2FPNGme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff5e5bec87874473ee5cac61afea8b5a3385a239
[INFO] testing gregorioD/PNGme against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgregorioD%2FPNGme" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gregorioD/PNGme
[INFO] finished tweaking git repo https://github.com/gregorioD/PNGme
[INFO] tweaked toml for git repo https://github.com/gregorioD/PNGme written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gregorioD/PNGme on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gregorioD/PNGme 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3658e263068ccd7985eb88458110819e856272ec7481fd6478b4ad0ee646c9c
[INFO] running `Command { std: "docker" "start" "-a" "f3658e263068ccd7985eb88458110819e856272ec7481fd6478b4ad0ee646c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3658e263068ccd7985eb88458110819e856272ec7481fd6478b4ad0ee646c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3658e263068ccd7985eb88458110819e856272ec7481fd6478b4ad0ee646c9c", kill_on_drop: false }`
[INFO] [stdout] f3658e263068ccd7985eb88458110819e856272ec7481fd6478b4ad0ee646c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 825de32817949ffc31d0c429bba13724ce25a01824e9d67e5864f7a92ce983c7
[INFO] running `Command { std: "docker" "start" "-a" "825de32817949ffc31d0c429bba13724ce25a01824e9d67e5864f7a92ce983c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle v1.0.2
[INFO] [stderr]    Compiling crc-catalog v2.2.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling clap_builder v4.4.0
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling clap v4.4.0
[INFO] [stderr]    Compiling pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chunk_type`
[INFO] [stdout]  --> src/chunk.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::{chunk_type, Error};
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `length` is never read
[INFO] [stdout]   --> src/chunk.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut length = 0;
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/png.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     if let Ok(e) = reader.read_exact(&mut crc_buf) {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/png.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn as_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 123 |         self.as_bytes()
[INFO] [stdout]     |         --------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChunkByteError` is never constructed
[INFO] [stdout]   --> src/chunk.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct ChunkByteError;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `chunk_from_strings` and `as_bytes` are never used
[INFO] [stdout]    --> src/chunk.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout]  90 | impl Chunk {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn chunk_from_strings(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn as_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_valid`, `i_is_uppercase`, `is_critical`, `is_public`, `is_reserved_bit_valid`, and `is_safe_to_copy` are never used
[INFO] [stdout]    --> src/chunk_type.rs:76:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | impl ChunkType {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn i_is_uppercase(&self, i: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn is_critical(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn is_public(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signature` is never read
[INFO] [stdout]   --> src/png.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Png {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 11 |     signature: [u8; 8],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_chunks` and `from_file` are never used
[INFO] [stdout]    --> src/png.rs:83:8
[INFO] [stdout]     |
[INFO] [stdout]  72 | impl Png {
[INFO] [stdout]     | -------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  83 |     fn from_chunks(chunks: Vec<Chunk>) -> Png {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Self, std::io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/png.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         reader.read_exact(&mut signature_buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = reader.read_exact(&mut signature_buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "825de32817949ffc31d0c429bba13724ce25a01824e9d67e5864f7a92ce983c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825de32817949ffc31d0c429bba13724ce25a01824e9d67e5864f7a92ce983c7", kill_on_drop: false }`
[INFO] [stdout] 825de32817949ffc31d0c429bba13724ce25a01824e9d67e5864f7a92ce983c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d840dab7bb324cdef9abf4c6aa07e4a8fc1688ead22809e93eafd32f3212b854
[INFO] running `Command { std: "docker" "start" "-a" "d840dab7bb324cdef9abf4c6aa07e4a8fc1688ead22809e93eafd32f3212b854", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chunk_type`
[INFO] [stdout]  --> src/chunk.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::{chunk_type, Error};
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `length` is never read
[INFO] [stdout]   --> src/chunk.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut length = 0;
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]    --> src/chunk.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let chunk = testing_chunk();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/png.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     if let Ok(e) = reader.read_exact(&mut crc_buf) {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/png.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn as_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 123 |         self.as_bytes()
[INFO] [stdout]     |         --------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChunkByteError` is never constructed
[INFO] [stdout]   --> src/chunk.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct ChunkByteError;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signature` is never read
[INFO] [stdout]   --> src/png.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Png {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 11 |     signature: [u8; 8],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_file` is never used
[INFO] [stdout]    --> src/png.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout]  72 | impl Png {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Self, std::io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/png.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         reader.read_exact(&mut signature_buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = reader.read_exact(&mut signature_buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "d840dab7bb324cdef9abf4c6aa07e4a8fc1688ead22809e93eafd32f3212b854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d840dab7bb324cdef9abf4c6aa07e4a8fc1688ead22809e93eafd32f3212b854", kill_on_drop: false }`
[INFO] [stdout] d840dab7bb324cdef9abf4c6aa07e4a8fc1688ead22809e93eafd32f3212b854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b7bb293400ad562bbae5ea4e9e2c5cea8d2dc60351c9e95bc93f86492f5c8ed
[INFO] running `Command { std: "docker" "start" "-a" "8b7bb293400ad562bbae5ea4e9e2c5cea8d2dc60351c9e95bc93f86492f5c8ed", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `chunk_type`
[INFO] [stderr]  --> src/chunk.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::{chunk_type, Error};
[INFO] [stderr]   |             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `length` is never read
[INFO] [stderr]   --> src/chunk.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut length = 0;
[INFO] [stderr]    |                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chunk`
[INFO] [stderr]    --> src/chunk.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let chunk = testing_chunk();
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/png.rs:34:31
[INFO] [stderr]    |
[INFO] [stderr] 34 |                     if let Ok(e) = reader.read_exact(&mut crc_buf) {
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]    --> src/png.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn as_bytes(&self) -> Vec<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 123 |         self.as_bytes()
[INFO] [stderr]     |         --------------- recursive call site
[INFO] [stderr]     |
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ChunkByteError` is never constructed
[INFO] [stderr]   --> src/chunk.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct ChunkByteError;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `signature` is never read
[INFO] [stderr]   --> src/png.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Png {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] 11 |     signature: [u8; 8],
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_file` is never used
[INFO] [stderr]    --> src/png.rs:126:12
[INFO] [stderr]     |
[INFO] [stderr]  72 | impl Png {
[INFO] [stderr]     | -------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 126 |     pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Self, std::io::Error> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/png.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         reader.read_exact(&mut signature_buf);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let _ = reader.read_exact(&mut signature_buf);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pngme` (bin "pngme" test) generated 9 warnings (run `cargo fix --bin "pngme" -p pngme --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngme-033a2551746c89d3)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test chunk::tests::test_chunk_string ... ok
[INFO] [stdout] test chunk::tests::test_new_chunk ... ok
[INFO] [stdout] test chunk::tests::test_chunk_type ... ok
[INFO] [stdout] test chunk::tests::test_chunk_crc ... ok
[INFO] [stdout] test chunk::tests::test_chunk_length ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_chunk_trait_impls ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_invalid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_safe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_unsafe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_trait_impls ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_string ... ok
[INFO] [stdout] test chunk_type::tests::test_valid_chunk_is_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_invalid_chunk_is_valid ... ok
[INFO] [stdout] test png::tests::test_append_chunk ... ok
[INFO] [stdout] test png::tests::test_chunk_by_type ... ok
[INFO] [stdout] test png::tests::test_from_chunks ... ok
[INFO] [stdout] test png::tests::test_png_trait_impls ... ok
[INFO] [stdout] test png::tests::test_remove_chunk ... ok
[INFO] [stdout] test png::tests::test_valid_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_str ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_critical ... ok
[INFO] [stdout] test chunk::tests::test_invalid_chunk_from_bytes ... FAILED
[INFO] [stdout] test chunk::tests::test_valid_chunk_from_bytes ... FAILED
[INFO] [stdout] test png::tests::test_png_from_image_file ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- chunk::tests::test_invalid_chunk_from_bytes stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'chunk::tests::test_invalid_chunk_from_bytes' (30) panicked at src/chunk.rs:290:9:
[INFO] [stdout] assertion failed: chunk.is_err()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x576f1bfd3672 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x576f1bfd3672 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x576f1bfd3672 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x576f1bfd3672 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x576f1bfe388a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x576f1bfe388a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x576f1bfa2596 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x576f1bfa2596 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x576f1bfb2af9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x576f1bfb2af9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x576f1bfb2991 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x576f1bf7421e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x576f1bf7421e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x576f1bfb2d72 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x576f1bfb2d72 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x576f1bfb2bea - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x576f1bfae149 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x576f1bf9718d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x576f1bfeac6c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x576f1bfeac32 - core::panicking::panic::h6519d2e94a76dd19
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x576f1bf50b3f - pngme::chunk::tests::test_invalid_chunk_from_bytes::h0abc5f127d05385c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/chunk.rs:290:9
[INFO] [stdout]   21:     0x576f1bf50b97 - pngme::chunk::tests::test_invalid_chunk_from_bytes::{{closure}}::hb66a32232553499d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/chunk.rs:273:39
[INFO] [stdout]   22:     0x576f1bf45726 - core::ops::function::FnOnce::call_once::h2ba6b746a9957c3c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x576f1bf7401b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x576f1bf7401b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x576f1bf879ea - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x576f1bf879ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x576f1bf879ea - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x576f1bf879ea - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x576f1bf879ea - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x576f1bf879ea - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x576f1bf879ea - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x576f1bf61e44 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x576f1bf61e44 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x576f1bf65702 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x576f1bf65702 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x576f1bf65702 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x576f1bf65702 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x576f1bf65702 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x576f1bf65702 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x576f1bf65702 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x576f1bfa93df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x576f1bfa93df - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x76aad5704aa4 - <unknown>
[INFO] [stdout]   44:     0x76aad5791a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- chunk::tests::test_valid_chunk_from_bytes stdout ----
[INFO] [stdout] Chunk {
[INFO] [stdout]   Length: 42
[INFO] [stdout]   Type: RuSt
[INFO] [stdout]   Data: 42 bytes
[INFO] [stdout]   Crc: 3669671921
[INFO] [stdout] }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] thread 'chunk::tests::test_valid_chunk_from_bytes' (32) panicked at src/chunk.rs:269:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 3669671921
[INFO] [stdout]  right: 2882656334
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x576f1bfd3672 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x576f1bfd3672 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x576f1bfd3672 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x576f1bfd3672 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x576f1bfe388a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x576f1bfe388a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x576f1bfa2596 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x576f1bfa2596 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x576f1bfb2af9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x576f1bfb2af9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x576f1bfb2991 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x576f1bf7421e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x576f1bf7421e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x576f1bfb2d72 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x576f1bfb2d72 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x576f1bfb2bb8 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x576f1bfae149 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x576f1bf9718d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x576f1bfeac6c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x576f1bfeab83 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stderr] error: test failed, to rerun pass `--bin pngme`
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x576f1bfc1923 - core::panicking::assert_failed::he8017ec9f9f2249b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x576f1bf50825 - pngme::chunk::tests::test_valid_chunk_from_bytes::h228cce649c11235b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/chunk.rs:269:9
[INFO] [stdout]   22:     0x576f1bf508a7 - pngme::chunk::tests::test_valid_chunk_from_bytes::{{closure}}::h5aa8c0ec447e3fe6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/chunk.rs:244:37
[INFO] [stdout]   23:     0x576f1bf45d46 - core::ops::function::FnOnce::call_once::hfed545ef00238bea
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x576f1bf7401b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x576f1bf7401b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x576f1bf879ea - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x576f1bf879ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x576f1bf879ea - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x576f1bf879ea - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x576f1bf879ea - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x576f1bf879ea - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x576f1bf879ea - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x576f1bf61e44 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x576f1bf61e44 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x576f1bf65702 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x576f1bf65702 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x576f1bf65702 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x576f1bf65702 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x576f1bf65702 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x576f1bf65702 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x576f1bf65702 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x576f1bfa93df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x576f1bfa93df - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x76aad5704aa4 - <unknown>
[INFO] [stdout]   45:     0x76aad5791a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- png::tests::test_png_from_image_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'png::tests::test_png_from_image_file' (50) panicked at src/chunk.rs:51:80:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: "inivalid bytes."
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x576f1bfd3672 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x576f1bfd3672 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x576f1bfd3672 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x576f1bfd3672 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x576f1bfe388a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x576f1bfe388a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x576f1bfa2596 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x576f1bfa2596 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x576f1bfb2af9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x576f1bfb2af9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x576f1bfb2991 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x576f1bf7421e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x576f1bf7421e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x576f1bfb2d72 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x576f1bfb2d72 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x576f1bfb2bb8 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x576f1bfae149 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x576f1bf9718d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x576f1bfeac6c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x576f1bfea4f2 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x576f1bf53eca - core::result::Result<T,E>::unwrap::hffbbfb25918587a1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x576f1bf53eca - <pngme::chunk::Chunk as core::convert::TryFrom<&[u8]>>::try_from::ha49f397da512f9c8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/chunk.rs:51:80
[INFO] [stdout]   22:     0x576f1bf492b9 - <pngme::png::Png as core::convert::TryFrom<&[u8]>>::try_from::h5c517391c9393f66
[INFO] [stdout]                                at /opt/rustwide/workdir/src/png.rs:42:37
[INFO] [stdout]   23:     0x576f1bf4ee89 - pngme::png::tests::test_png_from_image_file::h7711ec90d97dda99
[INFO] [stdout]                                at /opt/rustwide/workdir/src/png.rs:248:19
[INFO] [stdout]   24:     0x576f1bf4ef17 - pngme::png::tests::test_png_from_image_file::{{closure}}::h290d7762451bd345
[INFO] [stdout]                                at /opt/rustwide/workdir/src/png.rs:247:34
[INFO] [stdout]   25:     0x576f1bf45626 - core::ops::function::FnOnce::call_once::h0e46a7d7b9e788d0
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x576f1bf7401b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x576f1bf7401b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x576f1bf879ea - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x576f1bf879ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   30:     0x576f1bf879ea - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x576f1bf879ea - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x576f1bf879ea - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x576f1bf879ea - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x576f1bf879ea - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x576f1bf61e44 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x576f1bf61e44 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   37:     0x576f1bf65702 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   38:     0x576f1bf65702 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   39:     0x576f1bf65702 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x576f1bf65702 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x576f1bf65702 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x576f1bf65702 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   43:     0x576f1bf65702 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x576f1bfa93df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   45:     0x576f1bfa93df - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   46:     0x76aad5704aa4 - <unknown>
[INFO] [stdout]   47:     0x76aad5791a64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     chunk::tests::test_invalid_chunk_from_bytes
[INFO] [stdout]     chunk::tests::test_valid_chunk_from_bytes
[INFO] [stdout]     png::tests::test_png_from_image_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 26 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b7bb293400ad562bbae5ea4e9e2c5cea8d2dc60351c9e95bc93f86492f5c8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7bb293400ad562bbae5ea4e9e2c5cea8d2dc60351c9e95bc93f86492f5c8ed", kill_on_drop: false }`
[INFO] [stdout] 8b7bb293400ad562bbae5ea4e9e2c5cea8d2dc60351c9e95bc93f86492f5c8ed
