[INFO] fetching crate i2c_hung_fix 0.1.0...
[INFO] testing i2c_hung_fix-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate i2c_hung_fix 0.1.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate i2c_hung_fix 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i2c_hung_fix 0.1.0
[INFO] finished tweaking crates.io crate i2c_hung_fix 0.1.0
[INFO] tweaked toml for crates.io crate i2c_hung_fix 0.1.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c9cdcde03f0e854a047ce80d3286f0776631f65b65c6aa096d5172f6ff0995d
[INFO] running `Command { std: "docker" "start" "-a" "4c9cdcde03f0e854a047ce80d3286f0776631f65b65c6aa096d5172f6ff0995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9cdcde03f0e854a047ce80d3286f0776631f65b65c6aa096d5172f6ff0995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9cdcde03f0e854a047ce80d3286f0776631f65b65c6aa096d5172f6ff0995d", kill_on_drop: false }`
[INFO] [stdout] 4c9cdcde03f0e854a047ce80d3286f0776631f65b65c6aa096d5172f6ff0995d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0b2b0c52d6c2061c953226cc8d7eab93894be60f4e8c3b153ab1460843fb264
[INFO] running `Command { std: "docker" "start" "-a" "b0b2b0c52d6c2061c953226cc8d7eab93894be60f4e8c3b153ab1460843fb264", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling i2c_hung_fix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "b0b2b0c52d6c2061c953226cc8d7eab93894be60f4e8c3b153ab1460843fb264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b2b0c52d6c2061c953226cc8d7eab93894be60f4e8c3b153ab1460843fb264", kill_on_drop: false }`
[INFO] [stdout] b0b2b0c52d6c2061c953226cc8d7eab93894be60f4e8c3b153ab1460843fb264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb6d5cad92a2ec6275b20672664ce5adb50430822ca6feaa2f5c671597c1c7a9
[INFO] running `Command { std: "docker" "start" "-a" "bb6d5cad92a2ec6275b20672664ce5adb50430822ca6feaa2f5c671597c1c7a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling i2c_hung_fix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "bb6d5cad92a2ec6275b20672664ce5adb50430822ca6feaa2f5c671597c1c7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6d5cad92a2ec6275b20672664ce5adb50430822ca6feaa2f5c671597c1c7a9", kill_on_drop: false }`
[INFO] [stdout] bb6d5cad92a2ec6275b20672664ce5adb50430822ca6feaa2f5c671597c1c7a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9c8bc43df760572f55acbd36a99f04cbdf180cef73917cb8f268e6a2cc0fc4d
[INFO] running `Command { std: "docker" "start" "-a" "f9c8bc43df760572f55acbd36a99f04cbdf180cef73917cb8f268e6a2cc0fc4d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i2c_hung_fix-42f100f1bb1efd10)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests i2c_hung_fix
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 32) ... FAILED
[INFO] [stdout] test src/lib.rs - HangFixPins (line 150) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 32) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Delay`
[INFO] [stdout]   --> src/lib.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | let mut delay = Delay::new(core.SYST, clocks);
[INFO] [stdout]    |                 ^^^^^ use of undeclared type `Delay`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/lib.rs:33:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut rcc = device.RCC.constrain();
[INFO] [stdout]   |               ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/lib.rs:34:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut flash = device.FLASH.constrain();
[INFO] [stdout]   |                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/lib.rs:35:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | let mut gpiob = device.GPIOB.split(&mut rcc.apb2);
[INFO] [stdout]   |                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found crate `core`
[INFO] [stdout]   --> src/lib.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | let mut delay = Delay::new(core.SYST, clocks);
[INFO] [stdout]    |                            ^^^^-----
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: use the path separator to refer to an item: `core::SYST`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `try_unhang_i2c` in this scope
[INFO] [stdout]   --> src/lib.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | try_unhang_i2c(&mut scl, &sda, &mut delay, 4_000_000, RECOMMENDED_MAX_CLOCK_CYCLES)
[INFO] [stdout]    | ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 2  | use i2c_hung_fix::try_unhang_i2c;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `RECOMMENDED_MAX_CLOCK_CYCLES` in this scope
[INFO] [stdout]   --> src/lib.rs:42:55
[INFO] [stdout]    |
[INFO] [stdout] 12 | try_unhang_i2c(&mut scl, &sda, &mut delay, 4_000_000, RECOMMENDED_MAX_CLOCK_CYCLES)
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this constant
[INFO] [stdout]    |
[INFO] [stdout] 2  | use i2c_hung_fix::RECOMMENDED_MAX_CLOCK_CYCLES;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - HangFixPins (line 150) stdout ----
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]  --> src/lib.rs:151:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(...), gpiox.px2.into_floating_input(...));
[INFO] [stdout]   |                                                ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(..), gpiox.px2.into_floating_input(...));
[INFO] [stdout]   |                                                ^^
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(..=), gpiox.px2.into_floating_input(...));
[INFO] [stdout]   |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]  --> src/lib.rs:151:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(...), gpiox.px2.into_floating_input(...));
[INFO] [stdout]   |                                                ^^^ help: use `..` instead
[INFO] [stdout]   |
[INFO] [stdout]   = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]  --> src/lib.rs:151:84
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(...), gpiox.px2.into_floating_input(...));
[INFO] [stdout]   |                                                                                    ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(...), gpiox.px2.into_floating_input(..));
[INFO] [stdout]   |                                                                                    ^^
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(...), gpiox.px2.into_floating_input(..=));
[INFO] [stdout]   |                                                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]  --> src/lib.rs:151:84
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(...), gpiox.px2.into_floating_input(...));
[INFO] [stdout]   |                                                                                    ^^^ help: use `..` instead
[INFO] [stdout]   |
[INFO] [stdout]   = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `gpiox` in this scope
[INFO] [stdout]  --> src/lib.rs:151:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(...), gpiox.px2.into_floating_input(...));
[INFO] [stdout]   |                 ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `gpiox` in this scope
[INFO] [stdout]  --> src/lib.rs:151:54
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut pins = (gpiox.px1.into_push_pull_ouput(...), gpiox.px2.into_floating_input(...));
[INFO] [stdout]   |                                                      ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `delay` in this scope
[INFO] [stdout]  --> src/lib.rs:152:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | pins.try_unhang_i2c(delay)?;
[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:152:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_150_0() {
[INFO] [stdout]   |  ______________________________________-
[INFO] [stdout] 3 | | let mut pins = (gpiox.px1.into_push_pull_ouput(...), gpiox.px2.into_floating_input(...));
[INFO] [stdout] 4 | | pins.try_unhang_i2c(delay)?;
[INFO] [stdout]   | |                           ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | let pins = (pins.0.into_alternate_open_drain(), pins.1.into_alternate_open_drain());
[INFO] [stdout] 6 | | } _doctest_main_src_lib_rs_150_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 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0586.
[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 32)
[INFO] [stdout]     src/lib.rs - HangFixPins (line 150)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f9c8bc43df760572f55acbd36a99f04cbdf180cef73917cb8f268e6a2cc0fc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c8bc43df760572f55acbd36a99f04cbdf180cef73917cb8f268e6a2cc0fc4d", kill_on_drop: false }`
[INFO] [stdout] f9c8bc43df760572f55acbd36a99f04cbdf180cef73917cb8f268e6a2cc0fc4d
