[INFO] fetching crate pxo 0.2.0...
[INFO] testing pxo-0.2.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate pxo 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate pxo 0.2.0
[INFO] finished tweaking crates.io crate pxo 0.2.0
[INFO] tweaked toml for crates.io crate pxo 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pxo 0.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.10)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding zstd v0.12.4 (available: v0.13.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a9938c2b2c8daa86d64150b4bf6e464e64029d7bb2340d3995a69cfe6a47f1d
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[INFO] running `Command { std: "docker" "inspect" "0a9938c2b2c8daa86d64150b4bf6e464e64029d7bb2340d3995a69cfe6a47f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9938c2b2c8daa86d64150b4bf6e464e64029d7bb2340d3995a69cfe6a47f1d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29dea0062a201d39b2ef9acdc73a56ab34933029dc9703d3bc7736a07a021101
[INFO] running `Command { std: "docker" "start" "-a" "29dea0062a201d39b2ef9acdc73a56ab34933029dc9703d3bc7736a07a021101", kill_on_drop: false }`
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]    Compiling weezl v0.1.12
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[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling exr v1.74.0
[INFO] [stderr]    Compiling qoi v0.4.1
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[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling zstd v0.12.4
[INFO] [stderr]    Compiling pxo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.56s
[INFO] running `Command { std: "docker" "inspect" "29dea0062a201d39b2ef9acdc73a56ab34933029dc9703d3bc7736a07a021101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dea0062a201d39b2ef9acdc73a56ab34933029dc9703d3bc7736a07a021101", kill_on_drop: false }`
[INFO] [stdout] 29dea0062a201d39b2ef9acdc73a56ab34933029dc9703d3bc7736a07a021101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feffd3b4b0da4f0955a6233805267ea8db4788e1af0cfc5b22293a873bf6fcd4
[INFO] running `Command { std: "docker" "start" "-a" "feffd3b4b0da4f0955a6233805267ea8db4788e1af0cfc5b22293a873bf6fcd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pxo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "feffd3b4b0da4f0955a6233805267ea8db4788e1af0cfc5b22293a873bf6fcd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feffd3b4b0da4f0955a6233805267ea8db4788e1af0cfc5b22293a873bf6fcd4", kill_on_drop: false }`
[INFO] [stdout] feffd3b4b0da4f0955a6233805267ea8db4788e1af0cfc5b22293a873bf6fcd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a372ca056414e24adaef59d9d6840883987cdc24f1876809a79f1f35a6503987
[INFO] running `Command { std: "docker" "start" "-a" "a372ca056414e24adaef59d9d6840883987cdc24f1876809a79f1f35a6503987", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pxo-ec2109eeb18ca976)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pxo
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 19) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `sprite_a` in this scope
[INFO] [stdout]   --> src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | sprite_a = pxo::Sprite::load(file_a, SpriteOptions::Default())?;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 36 - sprite_a = pxo::Sprite::load(file_a, SpriteOptions::Default())?;
[INFO] [stdout] 36 + sprite = pxo::Sprite::load(file_a, SpriteOptions::Default())?;
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 36 | let sprite_a = pxo::Sprite::load(file_a, SpriteOptions::Default())?;
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `file_a` in this scope
[INFO] [stdout]   --> src/lib.rs:36:30
[INFO] [stdout]    |
[INFO] [stdout] 36 | sprite_a = pxo::Sprite::load(file_a, SpriteOptions::Default())?;
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 36 - sprite_a = pxo::Sprite::load(file_a, SpriteOptions::Default())?;
[INFO] [stdout] 36 + sprite_a = pxo::Sprite::load(file, SpriteOptions::Default())?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `sprite_b` in this scope
[INFO] [stdout]   --> src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | sprite_b = pxo::Sprite::load(file_b, SpriteOptions::Default())?;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 37 - sprite_b = pxo::Sprite::load(file_b, SpriteOptions::Default())?;
[INFO] [stdout] 37 + sprite = pxo::Sprite::load(file_b, SpriteOptions::Default())?;
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 37 | let sprite_b = pxo::Sprite::load(file_b, SpriteOptions::Default())?;
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `file_b` in this scope
[INFO] [stdout]   --> src/lib.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 | sprite_b = pxo::Sprite::load(file_b, SpriteOptions::Default())?;
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 37 - sprite_b = pxo::Sprite::load(file_b, SpriteOptions::Default())?;
[INFO] [stdout] 37 + sprite_b = pxo::Sprite::load(file, SpriteOptions::Default())?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `sprite_a` in this scope
[INFO] [stdout]   --> src/lib.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout]    |                                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 39 - let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 39 + let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite, sprite_b], 2048, 2048)?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `sprite_b` in this scope
[INFO] [stdout]   --> src/lib.rs:39:67
[INFO] [stdout]    |
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout]    |                                                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 39 - let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 39 + let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite], 2048, 2048)?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:22:49
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 21 | use std::fs::File;
[INFO] [stdout] 22 | let file = File::open("path/to/your/sprite.pxo")?;
[INFO] [stdout]    |                                                 ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 20 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 21 | use std::fs::File;
[INFO] [stdout] ...
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 40 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 25 | let pxo = pxo::Pxo::load(file)?;
[INFO] [stdout]    |                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 20 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 21 | use std::fs::File;
[INFO] [stdout] ...
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 40 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `SpriteOptions` in this scope
[INFO] [stdout]   --> src/lib.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 | let sprite = pxo::Sprite::from(pxo, SpriteOptions::Default())?;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ use of undeclared type `SpriteOptions`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:26:62
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 26 | let sprite = pxo::Sprite::from(pxo, SpriteOptions::Default())?;
[INFO] [stdout]    |                                                              ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 20 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 21 | use std::fs::File;
[INFO] [stdout] ...
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 40 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `SpriteOptions` in this scope
[INFO] [stdout]   --> src/lib.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 | let sprite = pxo::Sprite::load(file, SpriteOptions::Default())?;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^ use of undeclared type `SpriteOptions`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:29:63
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 29 | let sprite = pxo::Sprite::load(file, SpriteOptions::Default())?;
[INFO] [stdout]    |                                                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 20 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 21 | use std::fs::File;
[INFO] [stdout] ...
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 40 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:33:73
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 33 | let (packed, image) = pxo::PackedSprite::pack_sprite(sprite, 2048, 2048)?;
[INFO] [stdout]    |                                                                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 20 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 21 | use std::fs::File;
[INFO] [stdout] ...
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 40 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `SpriteOptions` in this scope
[INFO] [stdout]   --> src/lib.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 | sprite_a = pxo::Sprite::load(file_a, SpriteOptions::Default())?;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^ use of undeclared type `SpriteOptions`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:36:63
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 36 | sprite_a = pxo::Sprite::load(file_a, SpriteOptions::Default())?;
[INFO] [stdout]    |                                                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 20 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 21 | use std::fs::File;
[INFO] [stdout] ...
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 40 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `SpriteOptions` in this scope
[INFO] [stdout]   --> src/lib.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 | sprite_b = pxo::Sprite::load(file_b, SpriteOptions::Default())?;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^ use of undeclared type `SpriteOptions`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:37:63
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 37 | sprite_b = pxo::Sprite::load(file_b, SpriteOptions::Default())?;
[INFO] [stdout]    |                                                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 20 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 21 | use std::fs::File;
[INFO] [stdout] ...
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 40 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:39:89
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout]    |                                                                                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 20 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_19_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 21 | use std::fs::File;
[INFO] [stdout] ...
[INFO] [stdout] 39 | let (packed, image) = pxo::PackedSprite::pack_sprites(&[sprite_a, sprite_b], 2048, 2048)?;
[INFO] [stdout] 40 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 19)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a372ca056414e24adaef59d9d6840883987cdc24f1876809a79f1f35a6503987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a372ca056414e24adaef59d9d6840883987cdc24f1876809a79f1f35a6503987", kill_on_drop: false }`
[INFO] [stdout] a372ca056414e24adaef59d9d6840883987cdc24f1876809a79f1f35a6503987
