[INFO] fetching crate AT42QT2120 0.1.2...
[INFO] testing AT42QT2120-0.1.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate AT42QT2120 0.1.2 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate AT42QT2120 0.1.2 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 AT42QT2120 0.1.2
[INFO] finished tweaking crates.io crate AT42QT2120 0.1.2
[INFO] tweaked toml for crates.io crate AT42QT2120 0.1.2 written to /workspace/builds/worker-22/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 7406c6ac25d0ead1111fdb68b6beef01b82faee3ba6a9227c374b6f09a860d3b
[INFO] running `Command { std: "docker" "start" "-a" "7406c6ac25d0ead1111fdb68b6beef01b82faee3ba6a9227c374b6f09a860d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7406c6ac25d0ead1111fdb68b6beef01b82faee3ba6a9227c374b6f09a860d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7406c6ac25d0ead1111fdb68b6beef01b82faee3ba6a9227c374b6f09a860d3b", kill_on_drop: false }`
[INFO] [stdout] 7406c6ac25d0ead1111fdb68b6beef01b82faee3ba6a9227c374b6f09a860d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 434e1d0686c20d4d8c317b70843d59c7a7367bba93c51882c15a6d558665d395
[INFO] running `Command { std: "docker" "start" "-a" "434e1d0686c20d4d8c317b70843d59c7a7367bba93c51882c15a6d558665d395", kill_on_drop: false }`
[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 AT42QT2120 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `AT42QT2120` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `at42_qt2120`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "434e1d0686c20d4d8c317b70843d59c7a7367bba93c51882c15a6d558665d395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434e1d0686c20d4d8c317b70843d59c7a7367bba93c51882c15a6d558665d395", kill_on_drop: false }`
[INFO] [stdout] 434e1d0686c20d4d8c317b70843d59c7a7367bba93c51882c15a6d558665d395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 177b42807498bc3de649b95fffc0d767ec1fca6c223ad29d750c99eeb876871c
[INFO] running `Command { std: "docker" "start" "-a" "177b42807498bc3de649b95fffc0d767ec1fca6c223ad29d750c99eeb876871c", kill_on_drop: false }`
[INFO] [stdout] warning: crate `AT42QT2120` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `at42_qt2120`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling AT42QT2120 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `AT42QT2120` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `at42_qt2120`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "177b42807498bc3de649b95fffc0d767ec1fca6c223ad29d750c99eeb876871c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177b42807498bc3de649b95fffc0d767ec1fca6c223ad29d750c99eeb876871c", kill_on_drop: false }`
[INFO] [stdout] 177b42807498bc3de649b95fffc0d767ec1fca6c223ad29d750c99eeb876871c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 8f3cc814593dcd926d21af7b9f7a7dd08316f75c247035ed9dd0743108fcb4f7
[INFO] running `Command { std: "docker" "start" "-a" "8f3cc814593dcd926d21af7b9f7a7dd08316f75c247035ed9dd0743108fcb4f7", kill_on_drop: false }`
[INFO] [stderr] warning: crate `AT42QT2120` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `at42_qt2120`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: crate `AT42QT2120` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `at42_qt2120`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/AT42QT2120-a102031d4da9448d)
[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 AT42QT2120
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 27) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 18) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 54) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 43) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `stm32f1xx_hal`
[INFO] [stdout]  --> src/lib.rs:12:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate stm32f1xx_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 34) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `setup_key` in this scope
[INFO] [stdout]  --> src/lib.rs:38:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | setup_key(key_to_setup, key_threshold, enable_key);
[INFO] [stdout]   | ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 27) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `touch_sensor` in this scope
[INFO] [stdout]  --> src/lib.rs:30:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | touch_sensor.setup_slider(use_wheel, enable_slider);
[INFO] [stdout]   | ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 18) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BlockingI2c`
[INFO] [stdout]  --> src/lib.rs:19:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let i2c2 = BlockingI2c::i2c2(..);
[INFO] [stdout]   |            ^^^^^^^^^^^ use of undeclared type `BlockingI2c`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `At42qt2120`
[INFO] [stdout]  --> src/lib.rs:20:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut touch_sensor = At42qt2120::new(i2c2);
[INFO] [stdout]   |                        ^^^^^^^^^^ use of undeclared type `At42qt2120`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 54) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `touch_sensor` in this scope
[INFO] [stdout]  --> src/lib.rs:56:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | touch_sensor.read_key(key_to_read)?;
[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:56:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_54_0() {
[INFO] [stdout]   |  ______________________________________-
[INFO] [stdout] 3 | | let key_to_read = 3;
[INFO] [stdout] 4 | | touch_sensor.read_key(key_to_read)?;
[INFO] [stdout]   | |                                   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | } _doctest_main_src_lib_rs_54_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] ---- src/lib.rs - (line 43) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `touch_sensor` in this scope
[INFO] [stdout]  --> src/lib.rs:44:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | if touch_sensor.keys_pressed()? {
[INFO] [stdout]   |    ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `touch_sensor` in this scope
[INFO] [stdout]  --> src/lib.rs:45:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let keys_pressed = touch_sensor.read_keys()?;
[INFO] [stdout]   |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `touch_sensor` in this scope
[INFO] [stdout]  --> src/lib.rs:48:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | if touch_sensor.slider_pressed()? {
[INFO] [stdout]   |    ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `touch_sensor` in this scope
[INFO] [stdout]  --> src/lib.rs:49:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |   let keys_pressed = touch_sensor.read_slider()?;
[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:44:31
[INFO] [stdout]    |
[INFO] [stdout] 2  |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_43_0() {
[INFO] [stdout]    |  ______________________________________-
[INFO] [stdout] 3  | | if touch_sensor.keys_pressed()? {
[INFO] [stdout]    | |                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4  | |   let keys_pressed = touch_sensor.read_keys()?;
[INFO] [stdout] 5  | | }
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | | }
[INFO] [stdout] 10 | | } _doctest_main_src_lib_rs_43_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[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:45:46
[INFO] [stdout]    |
[INFO] [stdout] 2  |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_43_0() {
[INFO] [stdout]    |  ______________________________________-
[INFO] [stdout] 3  | | if touch_sensor.keys_pressed()? {
[INFO] [stdout] 4  | |   let keys_pressed = touch_sensor.read_keys()?;
[INFO] [stdout]    | |                                              ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5  | | }
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | | }
[INFO] [stdout] 10 | | } _doctest_main_src_lib_rs_43_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[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:48:33
[INFO] [stdout]    |
[INFO] [stdout] 2  |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_43_0() {
[INFO] [stdout]    |  ______________________________________-
[INFO] [stdout] 3  | | if touch_sensor.keys_pressed()? {
[INFO] [stdout] 4  | |   let keys_pressed = touch_sensor.read_keys()?;
[INFO] [stdout] 5  | | }
[INFO] [stdout] 6  | |
[INFO] [stdout] 7  | | if touch_sensor.slider_pressed()? {
[INFO] [stdout]    | |                                 ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 8  | |   let keys_pressed = touch_sensor.read_slider()?;
[INFO] [stdout] 9  | | }
[INFO] [stdout] 10 | | } _doctest_main_src_lib_rs_43_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[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:49:48
[INFO] [stdout]    |
[INFO] [stdout] 2  |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_43_0() {
[INFO] [stdout]    |  ______________________________________-
[INFO] [stdout] 3  | | if touch_sensor.keys_pressed()? {
[INFO] [stdout] 4  | |   let keys_pressed = touch_sensor.read_keys()?;
[INFO] [stdout] 5  | | }
[INFO] [stdout] ...  |
[INFO] [stdout] 8  | |   let keys_pressed = touch_sensor.read_slider()?;
[INFO] [stdout]    | |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 9  | | }
[INFO] [stdout] 10 | | } _doctest_main_src_lib_rs_43_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.
[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 12)
[INFO] [stdout]     src/lib.rs - (line 18)
[INFO] [stdout]     src/lib.rs - (line 27)
[INFO] [stdout]     src/lib.rs - (line 34)
[INFO] [stdout]     src/lib.rs - (line 43)
[INFO] [stdout]     src/lib.rs - (line 54)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "8f3cc814593dcd926d21af7b9f7a7dd08316f75c247035ed9dd0743108fcb4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3cc814593dcd926d21af7b9f7a7dd08316f75c247035ed9dd0743108fcb4f7", kill_on_drop: false }`
[INFO] [stdout] 8f3cc814593dcd926d21af7b9f7a7dd08316f75c247035ed9dd0743108fcb4f7
