[INFO] fetching crate si5351 0.2.0... [INFO] testing si5351-0.2.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate si5351 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate si5351 0.2.0 [INFO] finished tweaking crates.io crate si5351 0.2.0 [INFO] tweaked toml for crates.io crate si5351 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate si5351 0.2.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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 5 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.10.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 41c37ac19f2859cac6bc49ef35b207970b33abff0ff14c0d458e20a1420fa675 [INFO] running `Command { std: "docker" "start" "-a" "41c37ac19f2859cac6bc49ef35b207970b33abff0ff14c0d458e20a1420fa675", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "41c37ac19f2859cac6bc49ef35b207970b33abff0ff14c0d458e20a1420fa675", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41c37ac19f2859cac6bc49ef35b207970b33abff0ff14c0d458e20a1420fa675", kill_on_drop: false }` [INFO] [stdout] 41c37ac19f2859cac6bc49ef35b207970b33abff0ff14c0d458e20a1420fa675 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 581c440a00414176d0f4f9c086ee76980cbd5904147bde4923be69dd2294d8e7 [INFO] running `Command { std: "docker" "start" "-a" "581c440a00414176d0f4f9c086ee76980cbd5904147bde4923be69dd2294d8e7", kill_on_drop: false }` [INFO] [stderr] Compiling nb v1.1.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling si5351 v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:451:49 [INFO] [stdout] | [INFO] [stdout] 451 | let mut buffer: [u8; 1] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 1]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:451:44 [INFO] [stdout] | [INFO] [stdout] 451 | let mut buffer: [u8; 1] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "581c440a00414176d0f4f9c086ee76980cbd5904147bde4923be69dd2294d8e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581c440a00414176d0f4f9c086ee76980cbd5904147bde4923be69dd2294d8e7", kill_on_drop: false }` [INFO] [stdout] 581c440a00414176d0f4f9c086ee76980cbd5904147bde4923be69dd2294d8e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b0a7839340e09d92a821f38fdf002f0b935009a5fc9cb06aeeddea32ef410e0 [INFO] running `Command { std: "docker" "start" "-a" "5b0a7839340e09d92a821f38fdf002f0b935009a5fc9cb06aeeddea32ef410e0", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:451:49 [INFO] [stdout] | [INFO] [stdout] 451 | let mut buffer: [u8; 1] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 1]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:451:44 [INFO] [stdout] | [INFO] [stdout] 451 | let mut buffer: [u8; 1] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling si5351 v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:451:49 [INFO] [stdout] | [INFO] [stdout] 451 | let mut buffer: [u8; 1] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 1]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:451:44 [INFO] [stdout] | [INFO] [stdout] 451 | let mut buffer: [u8; 1] = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "5b0a7839340e09d92a821f38fdf002f0b935009a5fc9cb06aeeddea32ef410e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b0a7839340e09d92a821f38fdf002f0b935009a5fc9cb06aeeddea32ef410e0", kill_on_drop: false }` [INFO] [stdout] 5b0a7839340e09d92a821f38fdf002f0b935009a5fc9cb06aeeddea32ef410e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c96e7b13ebfa24028b4e681c900fd454623e8a46c2afa464da08196ca7ef59ee [INFO] running `Command { std: "docker" "start" "-a" "c96e7b13ebfa24028b4e681c900fd454623e8a46c2afa464da08196ca7ef59ee", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:451:49 [INFO] [stderr] | [INFO] [stderr] 451 | let mut buffer: [u8; 1] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: the type `[u8; 1]` does not permit being left uninitialized [INFO] [stderr] --> src/lib.rs:451:44 [INFO] [stderr] | [INFO] [stderr] 451 | let mut buffer: [u8; 1] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: `#[warn(invalid_value)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: `si5351` (lib) generated 2 warnings [INFO] [stderr] warning: `si5351` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/si5351-f6d8b4407ace54e7) [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 si5351 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - (line 22) ... FAILED [INFO] [stdout] test src/lib.rs - (line 54) - compile ... FAILED [INFO] [stdout] test src/lib.rs - (line 41) - compile ... FAILED [INFO] [stdout] test src/lib.rs - (line 68) - compile ... FAILED [INFO] [stdout] test src/lib.rs - (line 29) - compile ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 22) stdout ---- [INFO] [stdout] error[E0463]: can't find crate for `stm32f103xx_hal` [INFO] [stdout] --> src/lib.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate stm32f103xx_hal as hal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 54) stdout ---- [INFO] [stdout] error: comparison operators cannot be chained [INFO] [stdout] --> src/lib.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 8 | let mut clock = Si5351Device::new_adafruit_module(i2c); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments [INFO] [stdout] | [INFO] [stdout] 8 | let mut clock = Si5351Device::::new_adafruit_module(i2c); [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `stm32f103xx_hal` [INFO] [stdout] --> src/lib.rs:55:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate stm32f103xx_hal as hal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] error[E0254]: the name `si5351` is defined multiple times [INFO] [stdout] --> src/lib.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate si5351; [INFO] [stdout] | -------------------- previous import of the extern crate `si5351` here [INFO] [stdout] 4 | use si5351; [INFO] [stdout] | ^^^^^^ `si5351` reimported here [INFO] [stdout] | [INFO] [stdout] = note: `si5351` must be defined only once in the type namespace of this module [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0254, E0463. [INFO] [stdout] For more information about an error, try `rustc --explain E0254`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 41) stdout ---- [INFO] [stdout] error: comparison operators cannot be chained [INFO] [stdout] --> src/lib.rs:48:29 [INFO] [stdout] | [INFO] [stdout] 8 | let mut clock = Si5351Device::new(i2c, false, 25_000_000); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments [INFO] [stdout] | [INFO] [stdout] 8 | let mut clock = Si5351Device::::new(i2c, false, 25_000_000); [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `stm32f103xx_hal` [INFO] [stdout] --> src/lib.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate stm32f103xx_hal as hal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] error[E0254]: the name `si5351` is defined multiple times [INFO] [stdout] --> src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate si5351; [INFO] [stdout] | -------------------- previous import of the extern crate `si5351` here [INFO] [stdout] 4 | use si5351; [INFO] [stdout] | ^^^^^^ `si5351` reimported here [INFO] [stdout] | [INFO] [stdout] = note: `si5351` must be defined only once in the type namespace of this module [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0254, E0463. [INFO] [stdout] For more information about an error, try `rustc --explain E0254`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 68) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `clock` in this scope [INFO] [stdout] --> src/lib.rs:72:1 [INFO] [stdout] | [INFO] [stdout] 7 | clock.set_frequency(si5351::PLL::A, si5351::ClockOutput::Clk0, 14_175_000)?; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 29) stdout ---- [INFO] [stdout] error: unexpected `...` [INFO] [stdout] --> src/lib.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 4 | type I2C = ...; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: only `extern "C"` and `extern "C-unwind"` functions may have a C variable argument list [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `stm32f103xx_hal` [INFO] [stdout] --> src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate stm32f103xx_hal as hal; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `initialize_i2c` in this scope [INFO] [stdout] --> src/lib.rs:35:16 [INFO] [stdout] | [INFO] [stdout] 7 | let i2c: I2C = initialize_i2c(); [INFO] [stdout] | ^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0463. [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 22) [INFO] [stdout] src/lib.rs - (line 29) [INFO] [stdout] src/lib.rs - (line 41) [INFO] [stdout] src/lib.rs - (line 54) [INFO] [stdout] src/lib.rs - (line 68) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "c96e7b13ebfa24028b4e681c900fd454623e8a46c2afa464da08196ca7ef59ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c96e7b13ebfa24028b4e681c900fd454623e8a46c2afa464da08196ca7ef59ee", kill_on_drop: false }` [INFO] [stdout] c96e7b13ebfa24028b4e681c900fd454623e8a46c2afa464da08196ca7ef59ee