[INFO] fetching crate si5351 0.2.0...
[INFO] testing si5351-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate si5351 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate si5351 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf7154c4cde9781079991a47c0f1385413d2921764c44b0aedd6cc3ee1b989c8
[INFO] running `Command { std: "docker" "start" "-a" "cf7154c4cde9781079991a47c0f1385413d2921764c44b0aedd6cc3ee1b989c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf7154c4cde9781079991a47c0f1385413d2921764c44b0aedd6cc3ee1b989c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7154c4cde9781079991a47c0f1385413d2921764c44b0aedd6cc3ee1b989c8", kill_on_drop: false }`
[INFO] [stdout] cf7154c4cde9781079991a47c0f1385413d2921764c44b0aedd6cc3ee1b989c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee43564f075451f0dc4d1c3997f8c2126dc44380ff98d7abb53c1be5c16bbb0
[INFO] running `Command { std: "docker" "start" "-a" "6ee43564f075451f0dc4d1c3997f8c2126dc44380ff98d7abb53c1be5c16bbb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "6ee43564f075451f0dc4d1c3997f8c2126dc44380ff98d7abb53c1be5c16bbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee43564f075451f0dc4d1c3997f8c2126dc44380ff98d7abb53c1be5c16bbb0", kill_on_drop: false }`
[INFO] [stdout] 6ee43564f075451f0dc4d1c3997f8c2126dc44380ff98d7abb53c1be5c16bbb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62a2c8b799e40e7c98874279f3bebb8bfdc379f1fe698a1318a22c1ef6814126
[INFO] running `Command { std: "docker" "start" "-a" "62a2c8b799e40e7c98874279f3bebb8bfdc379f1fe698a1318a22c1ef6814126", kill_on_drop: false }`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "62a2c8b799e40e7c98874279f3bebb8bfdc379f1fe698a1318a22c1ef6814126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a2c8b799e40e7c98874279f3bebb8bfdc379f1fe698a1318a22c1ef6814126", kill_on_drop: false }`
[INFO] [stdout] 62a2c8b799e40e7c98874279f3bebb8bfdc379f1fe698a1318a22c1ef6814126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95ec5d37ef4eff256fcfbad9f5ac82dfe8c39c76f037be15de127181e93c1901
[INFO] running `Command { std: "docker" "start" "-a" "95ec5d37ef4eff256fcfbad9f5ac82dfe8c39c76f037be15de127181e93c1901", 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: `si5351` (lib) generated 1 warning
[INFO] [stderr] warning: `si5351` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/si5351-a5c9fa7797c9b495)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests si5351
[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] [stdout] 
[INFO] [stdout] running 5 tests
[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 29) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 68) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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<I2C>::new_adafruit_module(i2c);
[INFO] [stdout]   |                             ^   ^
[INFO] [stdout]   |
[INFO] [stdout] help: use `::<...>` instead of `<...>` to specify type or const arguments
[INFO] [stdout]   |
[INFO] [stdout] 8 | let mut clock = Si5351Device::<I2C>::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: aborting due to 2 previous errors
[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 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<I2C>::new(i2c, false, 25_000_000);
[INFO] [stdout]   |                             ^   ^
[INFO] [stdout]   |
[INFO] [stdout] help: use `::<...>` instead of `<...>` to specify type or const arguments
[INFO] [stdout]   |
[INFO] [stdout] 8 | let mut clock = Si5351Device::<I2C>::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: aborting due to 2 previous errors
[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 29) stdout ----
[INFO] [stdout] error[E0743]: C-variadic type `...` may not be nested inside another type
[INFO] [stdout]  --> src/lib.rs:32:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | type I2C = ...;
[INFO] [stdout]   |            ^^^
[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: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0743.
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[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 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 68) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `clock` in this scope
[INFO] [stdout]  --> src/lib.rs:71:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | clock.set_frequency(si5351::PLL::A, si5351::ClockOutput::Clk0, 14_175_000)?;
[INFO] [stdout]   | ^^^^^ not found in this scope
[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:71:75
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_68_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use si5351;
[INFO] [stdout] 5   | |
[INFO] [stdout] 6   | | clock.set_frequency(si5351::PLL::A, si5351::ClockOutput::Clk0, 14_175_000)?;
[INFO] [stdout]     | |                                                                           ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 7   | | } _doctest_main_src_lib_rs_68_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[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 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 0.30s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "95ec5d37ef4eff256fcfbad9f5ac82dfe8c39c76f037be15de127181e93c1901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ec5d37ef4eff256fcfbad9f5ac82dfe8c39c76f037be15de127181e93c1901", kill_on_drop: false }`
[INFO] [stdout] 95ec5d37ef4eff256fcfbad9f5ac82dfe8c39c76f037be15de127181e93c1901