[INFO] cloning repository https://github.com/vulkanic-labs/oxgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vulkanic-labs/oxgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvulkanic-labs%2Foxgpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvulkanic-labs%2Foxgpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f9841dd083f79740d31f2960af8a9dbbf7f9d43
[INFO] testing vulkanic-labs/oxgpu against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvulkanic-labs%2Foxgpu" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vulkanic-labs/oxgpu
[INFO] finished tweaking git repo https://github.com/vulkanic-labs/oxgpu
[INFO] tweaked toml for git repo https://github.com/vulkanic-labs/oxgpu written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vulkanic-labs/oxgpu on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vulkanic-labs/oxgpu 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-result v0.2.0
[INFO] [stderr]   Downloaded windows-interface v0.58.0
[INFO] [stderr]   Downloaded windows-strings v0.1.0
[INFO] [stderr]   Downloaded bytemuck_derive v1.10.2
[INFO] [stderr]   Downloaded windows-core v0.58.0
[INFO] [stderr]   Downloaded wgpu-types v27.0.1
[INFO] [stderr]   Downloaded wgpu v27.0.1
[INFO] [stderr]   Downloaded windows-targets v0.53.5
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.6.1
[INFO] [stderr]   Downloaded presser v0.3.1
[INFO] [stderr]   Downloaded socket2 v0.6.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.7
[INFO] [stderr]   Downloaded gl_generator v0.14.0
[INFO] [stderr]   Downloaded litrs v1.0.0
[INFO] [stderr]   Downloaded windows-implement v0.58.0
[INFO] [stderr]   Downloaded web-sys v0.3.83
[INFO] [stderr]   Downloaded unicode-width v0.2.2
[INFO] [stderr]   Downloaded tokio-macros v2.6.0
[INFO] [stderr]   Downloaded document-features v0.2.12
[INFO] [stderr]   Downloaded wgpu-core-deps-apple v27.0.0
[INFO] [stderr]   Downloaded wgpu-core-deps-emscripten v27.0.0
[INFO] [stderr]   Downloaded tokio v1.48.0
[INFO] [stderr]   Downloaded slotmap v1.1.1
[INFO] [stderr]   Downloaded xml-rs v0.8.28
[INFO] [stderr]   Downloaded ash v0.38.0+1.3.281
[INFO] [stderr]   Downloaded gpu-alloc-types v0.3.0
[INFO] [stderr]   Downloaded gpu-alloc v0.6.0
[INFO] [stderr]   Downloaded glow v0.16.0
[INFO] [stderr]   Downloaded gpu-allocator v0.27.0
[INFO] [stderr]   Downloaded bytes v1.11.0
[INFO] [stderr]   Downloaded libloading v0.8.9
[INFO] [stderr]   Downloaded mio v1.1.1
[INFO] [stderr]   Downloaded khronos_api v3.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.56
[INFO] [stderr]   Downloaded wgpu-core-deps-windows-linux-android v27.0.0
[INFO] [stderr]   Downloaded gpu-descriptor v0.3.2
[INFO] [stderr]   Downloaded half v2.7.1
[INFO] [stderr]   Downloaded gpu-descriptor-types v0.2.0
[INFO] [stderr]   Downloaded naga v27.0.3
[INFO] [stderr]   Downloaded khronos-egl v6.0.0
[INFO] [stderr]   Downloaded core-graphics-types v0.2.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.53.1
[INFO] [stderr]   Downloaded codespan-reporting v0.12.0
[INFO] [stderr]   Downloaded wgpu-core v27.0.3
[INFO] [stderr]   Downloaded foldhash v0.2.0
[INFO] [stderr]   Downloaded spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]   Downloaded ordered-float v5.1.0
[INFO] [stderr]   Downloaded portable-atomic-util v0.2.4
[INFO] [stderr]   Downloaded profiling v1.0.17
[INFO] [stderr]   Downloaded range-alloc v0.1.4
[INFO] [stderr]   Downloaded renderdoc-sys v1.1.0
[INFO] [stderr]   Downloaded wgpu-hal v27.0.4
[INFO] [stderr]   Downloaded winapi-util v0.1.11
[INFO] [stderr]   Downloaded windows_i686_msvc v0.53.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.53.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.53.1
[INFO] [stderr]   Downloaded windows_i686_gnullvm v0.53.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.53.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.53.1
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.53.1
[INFO] [stderr]   Downloaded metal v0.32.0
[INFO] [stderr]   Downloaded windows v0.58.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8e19a404fd4de7068a8d079a51776611329d379ab687f15da9c1d4cdd73dd17
[INFO] running `Command { std: "docker" "start" "-a" "e8e19a404fd4de7068a8d079a51776611329d379ab687f15da9c1d4cdd73dd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8e19a404fd4de7068a8d079a51776611329d379ab687f15da9c1d4cdd73dd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e19a404fd4de7068a8d079a51776611329d379ab687f15da9c1d4cdd73dd17", kill_on_drop: false }`
[INFO] [stdout] e8e19a404fd4de7068a8d079a51776611329d379ab687f15da9c1d4cdd73dd17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bab1791b9dc3f95549dc6b7ade22eacf156c35e09e157b11e5cb16da59f33c5
[INFO] running `Command { std: "docker" "start" "-a" "5bab1791b9dc3f95549dc6b7ade22eacf156c35e09e157b11e5cb16da59f33c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling naga v27.0.3
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.2.0
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling wgpu-hal v27.0.4
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling gpu-descriptor v0.3.2
[INFO] [stderr]    Compiling gpu-alloc v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling profiling v1.0.17
[INFO] [stderr]    Compiling glow v0.16.0
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling wgpu-core v27.0.3
[INFO] [stderr]    Compiling ordered-float v5.1.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling wgpu v27.0.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling wgpu-types v27.0.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling wgpu-core-deps-windows-linux-android v27.0.0
[INFO] [stderr]    Compiling oxgpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "5bab1791b9dc3f95549dc6b7ade22eacf156c35e09e157b11e5cb16da59f33c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bab1791b9dc3f95549dc6b7ade22eacf156c35e09e157b11e5cb16da59f33c5", kill_on_drop: false }`
[INFO] [stdout] 5bab1791b9dc3f95549dc6b7ade22eacf156c35e09e157b11e5cb16da59f33c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c21d0dd9e69bba0c7e0b2d3a8a48a5d3388f8a629e8cfb05218e8317d6d8eb95
[INFO] running `Command { std: "docker" "start" "-a" "c21d0dd9e69bba0c7e0b2d3a8a48a5d3388f8a629e8cfb05218e8317d6d8eb95", kill_on_drop: false }`
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling oxgpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.81s
[INFO] running `Command { std: "docker" "inspect" "c21d0dd9e69bba0c7e0b2d3a8a48a5d3388f8a629e8cfb05218e8317d6d8eb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21d0dd9e69bba0c7e0b2d3a8a48a5d3388f8a629e8cfb05218e8317d6d8eb95", kill_on_drop: false }`
[INFO] [stdout] c21d0dd9e69bba0c7e0b2d3a8a48a5d3388f8a629e8cfb05218e8317d6d8eb95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40f889c0f85677015dd8c7b5021e830463077f135eb6277ce3dc00dfe9db24fa
[INFO] running `Command { std: "docker" "start" "-a" "40f889c0f85677015dd8c7b5021e830463077f135eb6277ce3dc00dfe9db24fa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/oxgpu-259cb091dd31180c)
[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/full_api_test.rs (/opt/rustwide/target/debug/deps/full_api_test-82f2123c9496d31d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: XDG_RUNTIME_DIR is invalid or not set in the environment.
[INFO] [stdout] test tests::test_matrix_scaling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-47ae32fa522e4cd6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: XDG_RUNTIME_DIR is invalid or not set in the environment.
[INFO] [stdout] test tests::test_vector_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/uniform_test.rs (/opt/rustwide/target/debug/deps/uniform_test-18d296445669e49c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: XDG_RUNTIME_DIR is invalid or not set in the environment.
[INFO] [stdout] test tests::test_uniform_buffer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/write_test.rs (/opt/rustwide/target/debug/deps/write_test-4f3e2de5fb68b21c)
[INFO] [stdout] running 1 test
[INFO] [stderr] error: XDG_RUNTIME_DIR is invalid or not set in the environment.
[INFO] [stdout] test tests::test_map_read_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests oxgpu
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `krnl`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use krnl::{Context, Buffer, ComputeKernel};
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `krnl`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `krnl`, use `cargo add krnl` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let ctx = Context::new().await.unwrap();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.31s; merged doctests compilation took 0.13s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "40f889c0f85677015dd8c7b5021e830463077f135eb6277ce3dc00dfe9db24fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f889c0f85677015dd8c7b5021e830463077f135eb6277ce3dc00dfe9db24fa", kill_on_drop: false }`
[INFO] [stdout] 40f889c0f85677015dd8c7b5021e830463077f135eb6277ce3dc00dfe9db24fa