[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] testing emielvanseveren/pngme against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femielvanseveren%2Fpngme" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emielvanseveren/pngme on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/emielvanseveren/pngme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5a6039efd2bde1deee79f2fec5981145e1ff842d38903f098ab7d4b937ed37a
[INFO] running `Command { std: "docker" "start" "-a" "f5a6039efd2bde1deee79f2fec5981145e1ff842d38903f098ab7d4b937ed37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5a6039efd2bde1deee79f2fec5981145e1ff842d38903f098ab7d4b937ed37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a6039efd2bde1deee79f2fec5981145e1ff842d38903f098ab7d4b937ed37a", kill_on_drop: false }`
[INFO] [stdout] f5a6039efd2bde1deee79f2fec5981145e1ff842d38903f098ab7d4b937ed37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 217ca05026b375a7b0095cd66cb34244d842685f4c1cc7aa3352f58ffde292f3
[INFO] running `Command { std: "docker" "start" "-a" "217ca05026b375a7b0095cd66cb34244d842685f4c1cc7aa3352f58ffde292f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> src/chunk.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |   pub fn length(&self) -> u32 {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chunk_type`
[INFO] [stdout]   --> src/chunk.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn chunk_type(&self) -> &ChunkType {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data`
[INFO] [stdout]   --> src/chunk.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn data(&self) -> &[u8] {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `crc`
[INFO] [stdout]   --> src/chunk.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub fn crc(&self) -> u32 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data_as_string`
[INFO] [stdout]   --> src/chunk.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn data_as_string(&self) -> Result<String> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_bytes`
[INFO] [stdout]   --> src/chunk.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn as_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/chunk.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes`
[INFO] [stdout]   --> src/chunk_type.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |   pub fn bytes(&self) -> &[u8] {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/chunk_type.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_critical`
[INFO] [stdout]   --> src/chunk_type.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |   pub fn is_critical(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_public`
[INFO] [stdout]   --> src/chunk_type.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |   pub fn is_public(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_reserved_bit_valid`
[INFO] [stdout]   --> src/chunk_type.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_safe_to_copy`
[INFO] [stdout]   --> src/chunk_type.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 |   pub fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "217ca05026b375a7b0095cd66cb34244d842685f4c1cc7aa3352f58ffde292f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217ca05026b375a7b0095cd66cb34244d842685f4c1cc7aa3352f58ffde292f3", kill_on_drop: false }`
[INFO] [stdout] 217ca05026b375a7b0095cd66cb34244d842685f4c1cc7aa3352f58ffde292f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c1758fc28e9bb1ca76d2b447ff75fee4524b8a72dc5fd03d358d84f888616e9
[INFO] running `Command { std: "docker" "start" "-a" "4c1758fc28e9bb1ca76d2b447ff75fee4524b8a72dc5fd03d358d84f888616e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngme v0.1.0 (/opt/rustwide/workdir)
[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)]` 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] 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] 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] 
[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 because of the requirements on the impl of `std::convert::TryFrom<_>` for `chunk::Chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `chunk::Chunk: From<&_>` 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]    |       ^^^^^^^^^^^^^^^ the trait `From<&_>` is not implemented for `chunk::Chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<chunk::Chunk>` for `&_`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::convert::TryFrom<&_>` for `chunk::Chunk`
[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]            `chunk::Chunk: Sized`
[INFO] [stdout] note: the following trait must be implemented
[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]    = help: unsized locals are gated as an unstable feature
[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]    = help: unsized locals are gated as an unstable feature
[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]    = help: unsized locals are gated as an unstable feature
[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]     = help: unsized locals are gated as an unstable feature
[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] 
[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 because of the requirements on the impl of `std::convert::TryFrom<_>` for `chunk::Chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `chunk::Chunk: From<&_>` 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]     |                   ^^^^^^^^^^^^^^^ the trait `From<&_>` is not implemented for `chunk::Chunk`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<chunk::Chunk>` for `&_`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::convert::TryFrom<&_>` for `chunk::Chunk`
[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]             `chunk::Chunk: Sized`
[INFO] [stdout] note: the following trait must be implemented
[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] 
[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 because of the requirements on the impl of `std::convert::TryFrom<_>` for `chunk::Chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `chunk::Chunk: From<&_>` 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]     |                   ^^^^^^^^^^^^^^^ the trait `From<&_>` is not implemented for `chunk::Chunk`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<chunk::Chunk>` for `&_`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::convert::TryFrom<&_>` for `chunk::Chunk`
[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]             `chunk::Chunk: Sized`
[INFO] [stdout] note: the following trait must be implemented
[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: unsized locals are gated as an unstable feature
[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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `chunk::Chunk: From<&_>` is not satisfied
[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]     |                          ^^^^^^^^^^^^^^^^^ the trait `From<&_>` is not implemented for `chunk::Chunk`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<chunk::Chunk>` for `&_`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::convert::TryFrom<&_>` for `chunk::Chunk`
[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]     = 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 `ArgumentV1::<'a>::new_display`
[INFO] [stdout]     = note: this error originates in the macro `$crate::__export::format_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors; 2 warnings emitted
[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` due to 26 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4c1758fc28e9bb1ca76d2b447ff75fee4524b8a72dc5fd03d358d84f888616e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1758fc28e9bb1ca76d2b447ff75fee4524b8a72dc5fd03d358d84f888616e9", kill_on_drop: false }`
[INFO] [stdout] 4c1758fc28e9bb1ca76d2b447ff75fee4524b8a72dc5fd03d358d84f888616e9