[INFO] cloning repository https://github.com/ashwinp15/rust-png-cryptex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashwinp15/rust-png-cryptex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashwinp15%2Frust-png-cryptex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashwinp15%2Frust-png-cryptex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 531cb4180aed267b544795b3843e2352a2de0582
[INFO] testing ashwinp15/rust-png-cryptex against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashwinp15%2Frust-png-cryptex" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ashwinp15/rust-png-cryptex
[INFO] finished tweaking git repo https://github.com/ashwinp15/rust-png-cryptex
[INFO] tweaked toml for git repo https://github.com/ashwinp15/rust-png-cryptex written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ashwinp15/rust-png-cryptex on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ashwinp15/rust-png-cryptex 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9551f7c6252890990d57a116c5e71ecf611cf5caf0ab3d67eff462a458391730
[INFO] running `Command { std: "docker" "start" "-a" "9551f7c6252890990d57a116c5e71ecf611cf5caf0ab3d67eff462a458391730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9551f7c6252890990d57a116c5e71ecf611cf5caf0ab3d67eff462a458391730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9551f7c6252890990d57a116c5e71ecf611cf5caf0ab3d67eff462a458391730", kill_on_drop: false }`
[INFO] [stdout] 9551f7c6252890990d57a116c5e71ecf611cf5caf0ab3d67eff462a458391730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c662e5b8aa8cf447f2723b546650ecba26b62c4662fa6b8da03e7ec4283818a
[INFO] running `Command { std: "docker" "start" "-a" "5c662e5b8aa8cf447f2723b546650ecba26b62c4662fa6b8da03e7ec4283818a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling rust-png-cryptex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `from_utf8`
[INFO] [stdout]  --> src/chunk_type.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::Result, str::{FromStr, from_utf8}, ops::BitAnd, fmt::Display};
[INFO] [stdout]   |                                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]   --> src/png.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn append_chunk(&mut self, chunk: Chunk) {}
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chunk` is never constructed
[INFO] [stdout]  --> src/chunk.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Chunk {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[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:68:12
[INFO] [stdout]     |
[INFO] [stdout]  66 | impl Chunk {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  67 |
[INFO] [stdout]  68 |     pub fn new(chunk_type: ChunkType, data: Vec<u8>) -> Chunk {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub fn length(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn chunk_type(&self) -> &ChunkType {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     pub fn data(&self) -> &[u8] {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     pub fn crc(&self) -> u32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     pub fn data_as_string(&self) -> Result<String, FromUtf8Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn as_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChunkType` is never constructed
[INFO] [stdout]  --> src/chunk_type.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ChunkType {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fifth_bit_to_bool` is never used
[INFO] [stdout]   --> src/chunk_type.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn fifth_bit_to_bool(number: &u8) -> bool {
[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:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl ChunkType {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 76 |     pub fn bytes(&self) -> [u8; 4] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub fn is_critical(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn is_public(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Png` is never constructed
[INFO] [stdout]  --> src/png.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Png {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ChunkError` is never used
[INFO] [stdout]   --> src/png.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type ChunkError = &'static str;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `STANDARD_HEADER`, `from_chunks`, `append_chunk`, `chunks`, and `chunk_by_type` are never used
[INFO] [stdout]   --> src/png.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Png {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 15 |     const STANDARD_HEADER: [u8; 8] = [137, 80, 78, 71, 13, 10, 26, 10];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     fn from_chunks(chunks: Vec<Chunk>) -> Png {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn append_chunk(&mut self, chunk: Chunk) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn chunks(&self) -> &[Chunk] {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "5c662e5b8aa8cf447f2723b546650ecba26b62c4662fa6b8da03e7ec4283818a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c662e5b8aa8cf447f2723b546650ecba26b62c4662fa6b8da03e7ec4283818a", kill_on_drop: false }`
[INFO] [stdout] 5c662e5b8aa8cf447f2723b546650ecba26b62c4662fa6b8da03e7ec4283818a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a5def158795519bb10312292811c372500607be097ec99fd672b2a7ffc73c2
[INFO] running `Command { std: "docker" "start" "-a" "43a5def158795519bb10312292811c372500607be097ec99fd672b2a7ffc73c2", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `from_utf8`
[INFO] [stdout]  --> src/chunk_type.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::Result, str::{FromStr, from_utf8}, ops::BitAnd, fmt::Display};
[INFO] [stdout]   |                                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]   --> src/png.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn append_chunk(&mut self, chunk: Chunk) {}
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chunk` is never constructed
[INFO] [stdout]  --> src/chunk.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Chunk {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[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:68:12
[INFO] [stdout]     |
[INFO] [stdout]  66 | impl Chunk {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  67 |
[INFO] [stdout]  68 |     pub fn new(chunk_type: ChunkType, data: Vec<u8>) -> Chunk {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub fn length(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn chunk_type(&self) -> &ChunkType {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     pub fn data(&self) -> &[u8] {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     pub fn crc(&self) -> u32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     pub fn data_as_string(&self) -> Result<String, FromUtf8Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn as_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChunkType` is never constructed
[INFO] [stdout]  --> src/chunk_type.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ChunkType {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fifth_bit_to_bool` is never used
[INFO] [stdout]   --> src/chunk_type.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn fifth_bit_to_bool(number: &u8) -> bool {
[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:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl ChunkType {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 76 |     pub fn bytes(&self) -> [u8; 4] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub fn is_critical(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn is_public(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Png` is never constructed
[INFO] [stdout]  --> src/png.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Png {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ChunkError` is never used
[INFO] [stdout]   --> src/png.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type ChunkError = &'static str;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `STANDARD_HEADER`, `from_chunks`, `append_chunk`, `chunks`, and `chunk_by_type` are never used
[INFO] [stdout]   --> src/png.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Png {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 15 |     const STANDARD_HEADER: [u8; 8] = [137, 80, 78, 71, 13, 10, 26, 10];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     fn from_chunks(chunks: Vec<Chunk>) -> Png {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn append_chunk(&mut self, chunk: Chunk) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn chunks(&self) -> &[Chunk] {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-png-cryptex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `from_utf8`
[INFO] [stdout]  --> src/chunk_type.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::Result, str::{FromStr, from_utf8}, ops::BitAnd, fmt::Display};
[INFO] [stdout]   |                                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]   --> src/png.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn append_chunk(&mut self, chunk: Chunk) {}
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `data` is never used
[INFO] [stdout]   --> src/chunk.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     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: field `header` is never read
[INFO] [stdout]  --> src/png.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Png {
[INFO] [stdout]   |        --- field in this struct
[INFO] [stdout] 8 |     header: [u8; 8],
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PNG_FILE` is never used
[INFO] [stdout]    --> src/png.rs:243:11
[INFO] [stdout]     |
[INFO] [stdout] 243 |     const PNG_FILE: [u8; 4803] = [
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "43a5def158795519bb10312292811c372500607be097ec99fd672b2a7ffc73c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a5def158795519bb10312292811c372500607be097ec99fd672b2a7ffc73c2", kill_on_drop: false }`
[INFO] [stdout] 43a5def158795519bb10312292811c372500607be097ec99fd672b2a7ffc73c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ef80738bf6cc9c1d4f3c42a5cae5467e9f89576642ec0d58ba4e7bd6b5e9965
[INFO] running `Command { std: "docker" "start" "-a" "5ef80738bf6cc9c1d4f3c42a5cae5467e9f89576642ec0d58ba4e7bd6b5e9965", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `from_utf8`
[INFO] [stderr]  --> src/chunk_type.rs:1:42
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{result::Result, str::{FromStr, from_utf8}, ops::BitAnd, fmt::Display};
[INFO] [stderr]   |                                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chunk`
[INFO] [stderr]   --> src/png.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn append_chunk(&mut self, chunk: Chunk) {}
[INFO] [stderr]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Chunk` is never constructed
[INFO] [stderr]  --> src/chunk.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Chunk {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/chunk.rs:68:12
[INFO] [stderr]     |
[INFO] [stderr]  66 | impl Chunk {
[INFO] [stderr]     | ---------- associated items in this implementation
[INFO] [stderr]  67 |
[INFO] [stderr]  68 |     pub fn new(chunk_type: ChunkType, data: Vec<u8>) -> Chunk {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  81 |     pub fn length(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  85 |     pub fn chunk_type(&self) -> &ChunkType {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  89 |     pub fn data(&self) -> &[u8] {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr]  93 |     pub fn crc(&self) -> u32 {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  97 |     pub fn data_as_string(&self) -> Result<String, FromUtf8Error> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     pub fn as_bytes(&self) -> Vec<u8> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ChunkType` is never constructed
[INFO] [stderr]  --> src/chunk_type.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct ChunkType {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fifth_bit_to_bool` is never used
[INFO] [stderr]   --> src/chunk_type.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn fifth_bit_to_bool(number: &u8) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `bytes`, `is_valid`, `is_critical`, `is_public`, `is_reserved_bit_valid`, and `is_safe_to_copy` are never used
[INFO] [stderr]   --> src/chunk_type.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | impl ChunkType {
[INFO] [stderr]    | -------------- methods in this implementation
[INFO] [stderr] 76 |     pub fn bytes(&self) -> [u8; 4] {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 |     pub fn is_valid(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 84 |     pub fn is_critical(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 88 |     pub fn is_public(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 92 |     pub fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96 |     pub fn is_safe_to_copy(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Png` is never constructed
[INFO] [stderr]  --> src/png.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Png {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `ChunkError` is never used
[INFO] [stderr]   --> src/png.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | type ChunkError = &'static str;
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `STANDARD_HEADER`, `from_chunks`, `append_chunk`, `chunks`, and `chunk_by_type` are never used
[INFO] [stderr]   --> src/png.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Png {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 15 |     const STANDARD_HEADER: [u8; 8] = [137, 80, 78, 71, 13, 10, 26, 10];
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 16 |
[INFO] [stderr] 17 |     fn from_chunks(chunks: Vec<Chunk>) -> Png {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     fn append_chunk(&mut self, chunk: Chunk) {}
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     fn chunks(&self) -> &[Chunk] {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-png-cryptex` (lib) generated 10 warnings (run `cargo fix --lib -p rust-png-cryptex` to apply 1 suggestion)
[INFO] [stderr] warning: method `data` is never used
[INFO] [stderr]   --> src/chunk.rs:89:12
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl Chunk {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 89 |     pub fn data(&self) -> &[u8] {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `header` is never read
[INFO] [stderr]  --> src/png.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Png {
[INFO] [stderr]   |        --- field in this struct
[INFO] [stderr] 8 |     header: [u8; 8],
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PNG_FILE` is never used
[INFO] [stderr]    --> src/png.rs:243:11
[INFO] [stderr]     |
[INFO] [stderr] 243 |     const PNG_FILE: [u8; 4803] = [
[INFO] [stderr]     |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-png-cryptex` (lib test) generated 5 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_png_cryptex-57b2ec0730e0f067)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test chunk::tests::test_chunk_crc ... ok
[INFO] [stdout] test chunk::tests::test_chunk_length ... ok
[INFO] [stdout] test chunk::tests::test_chunk_trait_impls ... ok
[INFO] [stdout] test chunk::tests::test_chunk_type ... ok
[INFO] [stdout] test chunk::tests::test_chunk_string ... ok
[INFO] [stdout] test chunk::tests::test_invalid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_new_chunk ... ok
[INFO] [stdout] test chunk::tests::test_valid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_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_type::tests::test_chunk_type_is_not_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_public ... 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_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_invalid_chunk_is_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_string ... ok
[INFO] [stdout] test png::tests::test_chunk_by_type ... ok
[INFO] [stdout] test chunk_type::tests::test_valid_chunk_is_valid ... ok
[INFO] [stdout] test png::tests::test_from_chunks ... ok
[INFO] [stdout] test png::tests::test_list_chunks ... ok
[INFO] [stdout] test png::tests::test_invalid_chunk ... ok
[INFO] [stdout] test png::tests::test_valid_from_bytes ... ok
[INFO] [stdout] test png::tests::test_append_chunk ... FAILED
[INFO] [stdout] test png::tests::test_invalid_header ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- png::tests::test_append_chunk stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'png::tests::test_append_chunk' panicked at src/png.rs:196:47:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5909f5d429d2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5909f5d429d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5909f5d429d2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5909f5d429d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5909f5d67d93 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5909f5d67d93 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5909f5d3f953 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5909f5d3f953 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5909f5d42822 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5909f5d43f49 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5909f5d43d7e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5909f5d0c354 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5909f5d0c354 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5909f5d4491e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5909f5d4491e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5909f5d446b6 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5909f5d42ec9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5909f5d4437d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5909f5d667e0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5909f5d6686c - core::panicking::panic::h89a5f2df32b0508a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5909f5d66759 - core::option::unwrap_failed::he1a8284b5a1e2496
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/option.rs:2130:5
[INFO] [stdout]   21:     0x5909f5cca7f3 - core::option::Option<T>::unwrap::hb7bcfe00c5b8aa77
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/option.rs:1009:21
[INFO] [stdout]   22:     0x5909f5cca7f3 - rust_png_cryptex::png::tests::test_append_chunk::h568d6a95e62facb7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/png.rs:196:47
[INFO] [stdout]   23:     0x5909f5cca617 - rust_png_cryptex::png::tests::test_append_chunk::{{closure}}::he4cca3bfa23c5617
[INFO] [stdout]                                at /opt/rustwide/workdir/src/png.rs:193:27
[INFO] [stdout]   24:     0x5909f5cc6396 - core::ops::function::FnOnce::call_once::h09a7ad962331e93f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5909f5d11bbb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x5909f5d11bbb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x5909f5d10cf5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x5909f5d10cf5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x5909f5d10cf5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x5909f5d10cf5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x5909f5d10cf5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5909f5d10cf5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x5909f5d10cf5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x5909f5cd48f4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x5909f5cd48f4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5909f5cd82ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x5909f5cd82ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x5909f5cd82ca - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x5909f5cd82ca - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x5909f5cd82ca - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5909f5cd82ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x5909f5cd82ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   43:     0x5909f5d4789f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5909f5d4789f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   45:     0x7e79e1990aa4 - <unknown>
[INFO] [stdout]   46:     0x7e79e1a1da34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     png::tests::test_append_chunk
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "5ef80738bf6cc9c1d4f3c42a5cae5467e9f89576642ec0d58ba4e7bd6b5e9965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef80738bf6cc9c1d4f3c42a5cae5467e9f89576642ec0d58ba4e7bd6b5e9965", kill_on_drop: false }`
[INFO] [stdout] 5ef80738bf6cc9c1d4f3c42a5cae5467e9f89576642ec0d58ba4e7bd6b5e9965
