[INFO] fetching crate png-achunk 0.1.0... [INFO] testing png-achunk-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate png-achunk 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate png-achunk 0.1.0 [INFO] finished tweaking crates.io crate png-achunk 0.1.0 [INFO] tweaked toml for crates.io crate png-achunk 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate png-achunk 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 56 packages to latest compatible versions [INFO] [stderr] Adding image v0.24.9 (available: v0.25.8) [INFO] [stderr] Adding png v0.17.16 (available: v0.18.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cebc8d54d2d889ecb81bc4a081add45acd7dbf55cc42a7539f9f9cb537d9fe60 [INFO] running `Command { std: "docker" "start" "-a" "cebc8d54d2d889ecb81bc4a081add45acd7dbf55cc42a7539f9f9cb537d9fe60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cebc8d54d2d889ecb81bc4a081add45acd7dbf55cc42a7539f9f9cb537d9fe60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cebc8d54d2d889ecb81bc4a081add45acd7dbf55cc42a7539f9f9cb537d9fe60", kill_on_drop: false }` [INFO] [stdout] cebc8d54d2d889ecb81bc4a081add45acd7dbf55cc42a7539f9f9cb537d9fe60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 453107e08d9c7f836d38ce663b5bd71f3c77cdb909ad84021b85eefa3d79ddc1 [INFO] running `Command { std: "docker" "start" "-a" "453107e08d9c7f836d38ce663b5bd71f3c77cdb909ad84021b85eefa3d79ddc1", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling simd-adler32 v0.3.7 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling weezl v0.1.10 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling bytemuck v1.23.2 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling half v2.6.0 [INFO] [stderr] Compiling bit_field v0.10.3 [INFO] [stderr] Compiling lebe v0.5.3 [INFO] [stderr] Compiling ascii v1.1.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling zune-inflate v0.2.54 [INFO] [stderr] Compiling fdeflate v0.3.7 [INFO] [stderr] Compiling qoi v0.4.1 [INFO] [stderr] Compiling gif v0.13.3 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling png v0.17.16 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling exr v1.73.0 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling jpeg-decoder v0.3.2 [INFO] [stderr] Compiling tiff v0.9.1 [INFO] [stderr] Compiling image v0.24.9 [INFO] [stderr] Compiling png-achunk v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.84s [INFO] running `Command { std: "docker" "inspect" "453107e08d9c7f836d38ce663b5bd71f3c77cdb909ad84021b85eefa3d79ddc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "453107e08d9c7f836d38ce663b5bd71f3c77cdb909ad84021b85eefa3d79ddc1", kill_on_drop: false }` [INFO] [stdout] 453107e08d9c7f836d38ce663b5bd71f3c77cdb909ad84021b85eefa3d79ddc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5463a9eb2a3ae6a3e4f8622e10bcc931054da59ec8dcb4c471b4fab0960b2ae0 [INFO] running `Command { std: "docker" "start" "-a" "5463a9eb2a3ae6a3e4f8622e10bcc931054da59ec8dcb4c471b4fab0960b2ae0", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling png-achunk v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.82s [INFO] running `Command { std: "docker" "inspect" "5463a9eb2a3ae6a3e4f8622e10bcc931054da59ec8dcb4c471b4fab0960b2ae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5463a9eb2a3ae6a3e4f8622e10bcc931054da59ec8dcb4c471b4fab0960b2ae0", kill_on_drop: false }` [INFO] [stdout] 5463a9eb2a3ae6a3e4f8622e10bcc931054da59ec8dcb4c471b4fab0960b2ae0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 83293185f12be71a45dc0af25959c0ff4ec7a549f8db711a7500440fd7d562de [INFO] running `Command { std: "docker" "start" "-a" "83293185f12be71a45dc0af25959c0ff4ec7a549f8db711a7500440fd7d562de", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/png_achunk-67065767dfe152ce) [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] Running tests/test.rs (/opt/rustwide/target/debug/deps/test-109c540aeb7e7f69) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test ... ok [INFO] [stderr] Doc-tests png_achunk [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 53) ... FAILED [INFO] [stdout] test src/lib.rs - (line 29) ... FAILED [INFO] [stdout] test src/lib.rs - (line 15) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 53) stdout ---- [INFO] [stdout] error: expected item, found `$` [INFO] [stdout] --> src/lib.rs:54:1 [INFO] [stdout] | [INFO] [stdout] 1 | $ gcc test.c -L. -l:libpng_achunk.a -lm -o test [INFO] [stdout] | ^ expected item [INFO] [stdout] | [INFO] [stdout] = note: for a full list of items that can appear in modules, see [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 29) 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:32:65 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_29_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] 5 | // Decode image and ancillary chunks [INFO] [stdout] 6 | let (image, chunks) = png_achunk::Decoder::from_file("test.png")?.decode_all()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_29_0() -> Result<(), Box> { [INFO] [stdout] 5 | // Decode image and ancillary chunks [INFO] [stdout] ... [INFO] [stdout] 8 | let chunks = png_achunk::Decoder::from_file("test.png")?.decode_ancillary_chunks()?; [INFO] [stdout] 9 + 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:32:79 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_29_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] 5 | // Decode image and ancillary chunks [INFO] [stdout] 6 | let (image, chunks) = png_achunk::Decoder::from_file("test.png")?.decode_all()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_29_0() -> Result<(), Box> { [INFO] [stdout] 5 | // Decode image and ancillary chunks [INFO] [stdout] ... [INFO] [stdout] 8 | let chunks = png_achunk::Decoder::from_file("test.png")?.decode_ancillary_chunks()?; [INFO] [stdout] 9 + 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:34:56 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_29_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 8 | let chunks = png_achunk::Decoder::from_file("test.png")?.decode_ancillary_chunks()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_29_0() -> Result<(), Box> { [INFO] [stdout] 5 | // Decode image and ancillary chunks [INFO] [stdout] ... [INFO] [stdout] 8 | let chunks = png_achunk::Decoder::from_file("test.png")?.decode_ancillary_chunks()?; [INFO] [stdout] 9 + 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:34:83 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_29_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 8 | let chunks = png_achunk::Decoder::from_file("test.png")?.decode_ancillary_chunks()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_29_0() -> Result<(), Box> { [INFO] [stdout] 5 | // Decode image and ancillary chunks [INFO] [stdout] ... [INFO] [stdout] 8 | let chunks = png_achunk::Decoder::from_file("test.png")?.decode_ancillary_chunks()?; [INFO] [stdout] 9 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 15) stdout ---- [INFO] [stdout] error[E0423]: expected value, found crate `image` [INFO] [stdout] --> src/lib.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 11 | image.write_with_encoder( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use the path separator to refer to an item [INFO] [stdout] | [INFO] [stdout] 11 - image.write_with_encoder( [INFO] [stdout] 11 + image::write_with_encoder( [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:20:60 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_15_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 8 | let chunk_type = png_achunk::ChunkType::from_ascii(&"teST")?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_15_0() -> Result<(), Box> { [INFO] [stdout] 5 | // Create custom chunk [INFO] [stdout] ... [INFO] [stdout] 13| )?; [INFO] [stdout] 14+ 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:21:62 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_15_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 9 | let chunk = png_achunk::Chunk::new(chunk_type, vec![4, 5, 6])?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_15_0() -> Result<(), Box> { [INFO] [stdout] 5 | // Create custom chunk [INFO] [stdout] ... [INFO] [stdout] 13| )?; [INFO] [stdout] 14+ 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:24:49 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_15_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 12 | png_achunk::Encoder::new_to_file("test.png")?.with_custom_chunk(chunk.clone()), [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_15_0() -> Result<(), Box> { [INFO] [stdout] 5 | // Create custom chunk [INFO] [stdout] ... [INFO] [stdout] 13 | )?; [INFO] [stdout] 14 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0423. [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 15) [INFO] [stdout] src/lib.rs - (line 29) [INFO] [stdout] src/lib.rs - (line 53) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "83293185f12be71a45dc0af25959c0ff4ec7a549f8db711a7500440fd7d562de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83293185f12be71a45dc0af25959c0ff4ec7a549f8db711a7500440fd7d562de", kill_on_drop: false }` [INFO] [stdout] 83293185f12be71a45dc0af25959c0ff4ec7a549f8db711a7500440fd7d562de