[INFO] cloning repository https://github.com/emielvanseveren/pngme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emielvanseveren/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femielvanseveren%2Fpngme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femielvanseveren%2Fpngme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dfeabfec44a826e216798cea943f700e6fa091f
[INFO] checking emielvanseveren/pngme against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femielvanseveren%2Fpngme" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emielvanseveren/pngme
[INFO] finished tweaking git repo https://github.com/emielvanseveren/pngme
[INFO] tweaked toml for git repo https://github.com/emielvanseveren/pngme written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emielvanseveren/pngme on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emielvanseveren/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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking emielvanseveren/pngme against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femielvanseveren%2Fpngme" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emielvanseveren/pngme
[INFO] finished tweaking git repo https://github.com/emielvanseveren/pngme
[INFO] tweaked toml for git repo https://github.com/emielvanseveren/pngme written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emielvanseveren/pngme on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emielvanseveren/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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62b4407c2cb3e7106f736686a5df5f0158b7a4f8738d0afbac66f8e4f258216d
[INFO] running `Command { std: "docker" "start" "-a" "62b4407c2cb3e7106f736686a5df5f0158b7a4f8738d0afbac66f8e4f258216d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b4407c2cb3e7106f736686a5df5f0158b7a4f8738d0afbac66f8e4f258216d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b4407c2cb3e7106f736686a5df5f0158b7a4f8738d0afbac66f8e4f258216d", kill_on_drop: false }`
[INFO] [stdout] 62b4407c2cb3e7106f736686a5df5f0158b7a4f8738d0afbac66f8e4f258216d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca69813aa691bf210b38e983a1453fee84cb0c1a97d015c567d5d93ba41d6d37
[INFO] running `Command { std: "docker" "start" "-a" "ca69813aa691bf210b38e983a1453fee84cb0c1a97d015c567d5d93ba41d6d37", kill_on_drop: false }`
[INFO] [stderr]     Checking pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/chunk.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chunk_type.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |       .all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout]    |                 ^                                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -       .all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout] 31 +       .all(|&b| b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z') );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chunk_type.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |       .all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout]    |                 ^                                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -       .all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout] 76 +       .all(|&b| b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z') );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::chunk_type::ChunkType`
[INFO] [stdout]   --> src/chunk.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use crate::chunk_type::ChunkType;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/chunk.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use std::str::FromStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chunk_type.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |       .all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout]    |                 ^                                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -       .all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout] 31 +       .all(|&b| b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z') );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chunk_type.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |       .all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout]    |                 ^                                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -       .all(|&b| (b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z')));
[INFO] [stdout] 76 +       .all(|&b| b >= b'a' && b <= b'z' || (b >= b'A' && b <= b'Z') );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/chunk.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn testing_chunk() -> Chunk {
[INFO] [stdout]    |                           ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chunk` is never constructed
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `length`, `chunk_type`, `data`, `crc`, `data_as_string`, and `as_bytes` are never used
[INFO] [stdout]   --> src/chunk.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Chunk {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 22 |   pub fn length(&self) -> u32 {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |   pub fn chunk_type(&self) -> &ChunkType {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   pub fn data(&self) -> &[u8] {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |   pub fn crc(&self) -> u32 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |   pub fn data_as_string(&self) -> Result<String> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |   pub fn as_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/chunk.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChunkTypeError` is never used
[INFO] [stdout]  --> src/chunk_type.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum ChunkTypeError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChunkType` is never constructed
[INFO] [stdout]   --> src/chunk_type.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct ChunkType {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bytes`, `is_valid`, `is_critical`, `is_public`, `is_reserved_bit_valid`, and `is_safe_to_copy` are never used
[INFO] [stdout]   --> src/chunk_type.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl ChunkType {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 21 |   pub fn bytes(&self) -> &[u8] {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |   pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |   pub fn is_critical(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |   pub fn is_public(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |   pub fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |   pub fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/chunk.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |       Chunk::try_from(chunk_data.as_ref()).unwrap()
[INFO] [stdout]    |       ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] note: required by a bound in `try_from`
[INFO] [stdout]   --> /rustc/595142ec72045c7f2fab2923de8e59995a52e6e7/library/core/src/convert/mod.rs:702:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/chunk.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |       Chunk::try_from(chunk_data.as_ref()).unwrap()
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    = note: required for `chunk::Chunk` to implement `std::convert::TryFrom<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&_: Into<chunk::Chunk>` is not satisfied
[INFO] [stdout]   --> src/chunk.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |       Chunk::try_from(chunk_data.as_ref()).unwrap()
[INFO] [stdout]    |       ^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `From<&_>` is not implemented for `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: required for `&_` to implement `Into<chunk::Chunk>`
[INFO] [stdout]    = note: required for `chunk::Chunk` to implement `std::convert::TryFrom<&_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `unwrap` exists for enum `std::result::Result<chunk::Chunk, Infallible>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/chunk.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    | ---------------- doesn't satisfy `chunk::Chunk: Sized`
[INFO] [stdout] ...
[INFO] [stdout] 76 |       Chunk::try_from(chunk_data.as_ref()).unwrap()
[INFO] [stdout]    |                                            ^^^^^^ method cannot be called on `std::result::Result<chunk::Chunk, Infallible>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `[u8]: Sized`
[INFO] [stdout]            which is required by `chunk::Chunk: Sized`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/chunk.rs:81:11
[INFO] [stdout]    |
[INFO] [stdout] 81 |       let chunk = testing_chunk();
[INFO] [stdout]    |           ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    = note: all local variables must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/chunk.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |       let chunk = testing_chunk();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/chunk.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 |       let chunk = testing_chunk();
[INFO] [stdout]    |           ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    = note: all local variables must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/chunk.rs:87:19
[INFO] [stdout]    |
[INFO] [stdout] 87 |       let chunk = testing_chunk();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/chunk.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 |       let chunk = testing_chunk();
[INFO] [stdout]    |           ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    = note: all local variables must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/chunk.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |       let chunk = testing_chunk();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]   --> src/chunk.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Chunk {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> src/chunk.rs:101:11
[INFO] [stdout]     |
[INFO] [stdout] 101 |       let chunk = testing_chunk();
[INFO] [stdout]     |           ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> src/chunk.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 101 |       let chunk = testing_chunk();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> src/chunk.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |       let chunk = Chunk::try_from(chunk_data.as_ref()).unwrap();
[INFO] [stdout]     |                   ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] note: required by a bound in `try_from`
[INFO] [stdout]    --> /rustc/595142ec72045c7f2fab2923de8e59995a52e6e7/library/core/src/convert/mod.rs:702:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> src/chunk.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |       let chunk = Chunk::try_from(chunk_data.as_ref()).unwrap();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     = note: required for `chunk::Chunk` to implement `std::convert::TryFrom<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&_: Into<chunk::Chunk>` is not satisfied
[INFO] [stdout]    --> src/chunk.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |       let chunk = Chunk::try_from(chunk_data.as_ref()).unwrap();
[INFO] [stdout]     |                   ^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `From<&_>` is not implemented for `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: required for `&_` to implement `Into<chunk::Chunk>`
[INFO] [stdout]     = note: required for `chunk::Chunk` to implement `std::convert::TryFrom<&_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `unwrap` exists for enum `std::result::Result<chunk::Chunk, Infallible>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/chunk.rs:121:56
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     | ---------------- doesn't satisfy `chunk::Chunk: Sized`
[INFO] [stdout] ...
[INFO] [stdout] 121 |       let chunk = Chunk::try_from(chunk_data.as_ref()).unwrap();
[INFO] [stdout]     |                                                        ^^^^^^ method cannot be called on `std::result::Result<chunk::Chunk, Infallible>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `[u8]: Sized`
[INFO] [stdout]             which is required by `chunk::Chunk: Sized`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> src/chunk.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |       let chunk = Chunk::try_from(chunk_data.as_ref());
[INFO] [stdout]     |                   ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] note: required by a bound in `try_from`
[INFO] [stdout]    --> /rustc/595142ec72045c7f2fab2923de8e59995a52e6e7/library/core/src/convert/mod.rs:702:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> src/chunk.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |       let chunk = Chunk::try_from(chunk_data.as_ref());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     = note: required for `chunk::Chunk` to implement `std::convert::TryFrom<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&_: Into<chunk::Chunk>` is not satisfied
[INFO] [stdout]    --> src/chunk.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |       let chunk = Chunk::try_from(chunk_data.as_ref());
[INFO] [stdout]     |                   ^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `From<&_>` is not implemented for `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: required for `&_` to implement `Into<chunk::Chunk>`
[INFO] [stdout]     = note: required for `chunk::Chunk` to implement `std::convert::TryFrom<&_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `is_err` exists for enum `std::result::Result<chunk::Chunk, Infallible>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/chunk.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     | ---------------- doesn't satisfy `chunk::Chunk: Sized`
[INFO] [stdout] ...
[INFO] [stdout] 150 |       assert!(chunk.is_err());
[INFO] [stdout]     |                     ^^^^^^ method cannot be called on `std::result::Result<chunk::Chunk, Infallible>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `[u8]: Sized`
[INFO] [stdout]             which is required by `chunk::Chunk: Sized`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `chunk::Chunk: std::convert::TryFrom<&_>` is not satisfied
[INFO] [stdout]    --> src/chunk.rs:169:44
[INFO] [stdout]     |
[INFO] [stdout] 169 |       let chunk: Chunk = TryFrom::try_from(chunk_data.as_ref()).unwrap();
[INFO] [stdout]     |                          ----------------- ^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `From<&_>` is not implemented for `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: required for `&_` to implement `Into<chunk::Chunk>`
[INFO] [stdout]     = note: required for `chunk::Chunk` to implement `std::convert::TryFrom<&_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> src/chunk.rs:169:11
[INFO] [stdout]     |
[INFO] [stdout] 169 |       let chunk: Chunk = TryFrom::try_from(chunk_data.as_ref()).unwrap();
[INFO] [stdout]     |           ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 169 |       let chunk: &Chunk = TryFrom::try_from(chunk_data.as_ref()).unwrap();
[INFO] [stdout]     |                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> src/chunk.rs:169:26
[INFO] [stdout]     |
[INFO] [stdout] 169 |       let chunk: Chunk = TryFrom::try_from(chunk_data.as_ref()).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] note: required by a bound in `try_from`
[INFO] [stdout]    --> /rustc/595142ec72045c7f2fab2923de8e59995a52e6e7/library/core/src/convert/mod.rs:702:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> src/chunk.rs:171:41
[INFO] [stdout]     |
[INFO] [stdout] 171 |       let _chunk_string = format!("{}", chunk);
[INFO] [stdout]     |                                    --   ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    required by this formatting parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `chunk::Chunk`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `chunk::Chunk`
[INFO] [stdout]    --> src/chunk.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | pub struct Chunk {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pngme` (bin "pngme" test) due to 25 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ca69813aa691bf210b38e983a1453fee84cb0c1a97d015c567d5d93ba41d6d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca69813aa691bf210b38e983a1453fee84cb0c1a97d015c567d5d93ba41d6d37", kill_on_drop: false }`
[INFO] [stdout] ca69813aa691bf210b38e983a1453fee84cb0c1a97d015c567d5d93ba41d6d37