[INFO] fetching crate dverf 0.1.5...
[INFO] testing dverf-0.1.5 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate dverf 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate dverf 0.1.5
[INFO] finished tweaking crates.io crate dverf 0.1.5
[INFO] tweaked toml for crates.io crate dverf 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dverf 0.1.5 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dverf 0.1.5 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nusb v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f55d37a590424f59154de539055d7a06b197bdfcf4c72408ecd1b5361785adf
[INFO] running `Command { std: "docker" "start" "-a" "5f55d37a590424f59154de539055d7a06b197bdfcf4c72408ecd1b5361785adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f55d37a590424f59154de539055d7a06b197bdfcf4c72408ecd1b5361785adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f55d37a590424f59154de539055d7a06b197bdfcf4c72408ecd1b5361785adf", kill_on_drop: false }`
[INFO] [stdout] 5f55d37a590424f59154de539055d7a06b197bdfcf4c72408ecd1b5361785adf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d13f8102585d568b1dd2458bee8336451ac780e5e535acef4d2b9800831fae3
[INFO] running `Command { std: "docker" "start" "-a" "3d13f8102585d568b1dd2458bee8336451ac780e5e535acef4d2b9800831fae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling winnow v0.7.4
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling nusb v0.1.13
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling num_enum v0.7.3
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling dverf v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "3d13f8102585d568b1dd2458bee8336451ac780e5e535acef4d2b9800831fae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d13f8102585d568b1dd2458bee8336451ac780e5e535acef4d2b9800831fae3", kill_on_drop: false }`
[INFO] [stdout] 3d13f8102585d568b1dd2458bee8336451ac780e5e535acef4d2b9800831fae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 373922904b73a53e23ef9c49d0743260bdc0cf5a32ad5be27d746998adc50770
[INFO] running `Command { std: "docker" "start" "-a" "373922904b73a53e23ef9c49d0743260bdc0cf5a32ad5be27d746998adc50770", kill_on_drop: false }`
[INFO] [stderr]    Compiling dverf v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "373922904b73a53e23ef9c49d0743260bdc0cf5a32ad5be27d746998adc50770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373922904b73a53e23ef9c49d0743260bdc0cf5a32ad5be27d746998adc50770", kill_on_drop: false }`
[INFO] [stdout] 373922904b73a53e23ef9c49d0743260bdc0cf5a32ad5be27d746998adc50770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4fb5a8452f39d03a71fecc7af3a6b7e0921c30ad05750316edbd9fe485489613
[INFO] running `Command { std: "docker" "start" "-a" "4fb5a8452f39d03a71fecc7af3a6b7e0921c30ad05750316edbd9fe485489613", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dverf-46e726ac88ae799d)
[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 dverf
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/../readme.md - (line 47) ... FAILED
[INFO] [stdout] test src/../readme.md - (line 34) ... FAILED
[INFO] [stdout] test src/../readme.md - (line 15) ... FAILED
[INFO] [stdout] test src/../readme.md - (line 59) ... FAILED
[INFO] [stdout] test src/lib.rs - Device::from_interface (line 142) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../readme.md - (line 47) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/../readme.md:50:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | let chunk = device.next().await;
[INFO] [stdout]   |             ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/../readme.md:50:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_47_0() {
[INFO] [stdout]   |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 5 | let chunk = device.next().await;
[INFO] [stdout]   |                           ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../readme.md - (line 34) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/../readme.md:35:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | device.set_freq(2412, 0).await?;
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/../readme.md:36:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | device.set_sample_rate(200_000_000, 10).await?;
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/../readme.md:37:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | device.set_baseband_filter_bandwidth(15_000_000).await?;
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/../readme.md:38:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | device.set_lna_gain(40).await?;
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/../readme.md:39:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | device.set_vga_gain(8).await?;
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/../readme.md:40:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | device.set_transceiver_mode(TransceiverMode::Receive).await?;
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TransceiverMode`
[INFO] [stdout]  --> src/../readme.md:40:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | device.set_transceiver_mode(TransceiverMode::Receive).await?;
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^ use of undeclared type `TransceiverMode`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use dverf::TransceiverMode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/../readme.md:35:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_34_0() {
[INFO] [stdout]   |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] 3 | device.set_freq(2412, 0).await?;
[INFO] [stdout]   |                          ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/../readme.md:36:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_34_0() {
[INFO] [stdout]   |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] 3 | device.set_freq(2412, 0).await?;
[INFO] [stdout] 4 | device.set_sample_rate(200_000_000, 10).await?;
[INFO] [stdout]   |                                         ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/../readme.md:37:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_34_0() {
[INFO] [stdout]   |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 5 | device.set_baseband_filter_bandwidth(15_000_000).await?;
[INFO] [stdout]   |                                                  ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/../readme.md:38:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_34_0() {
[INFO] [stdout]   |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 6 | device.set_lna_gain(40).await?;
[INFO] [stdout]   |                         ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/../readme.md:39:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_34_0() {
[INFO] [stdout]   |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 7 | device.set_vga_gain(8).await?;
[INFO] [stdout]   |                        ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/../readme.md:40:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_34_0() {
[INFO] [stdout]   |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 8 | device.set_transceiver_mode(TransceiverMode::Receive).await?;
[INFO] [stdout]   |                                                       ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../readme.md - (line 15) stdout ----
[INFO] [stdout] error[E0599]: no method named `context` found for enum `Option` in the current scope
[INFO] [stdout]   --> src/../readme.md:22:6
[INFO] [stdout]    |
[INFO] [stdout] 8  |     let device_info = nusb::list_devices()?
[INFO] [stdout]    |  _____________________-
[INFO] [stdout] 9  | |     .find(|dev| dev.vendor_id() == VENDOR_ID && dev.product_id() == 0x6089)
[INFO] [stdout] 10 | |     .context("device not connected")?;
[INFO] [stdout]    | |     -^^^^^^^ method not found in `Option<DeviceInfo>`
[INFO] [stdout]    | |_____|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]  --> src/../readme.md:19:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn open() -> anyhow::Result<Device> {
[INFO] [stdout]   |              ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../readme.md - (line 59) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/../readme.md:60:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | device.set_transceiver_mode(TransceiverMode::Transmit).await?;
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TransceiverMode`
[INFO] [stdout]  --> src/../readme.md:60:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | device.set_transceiver_mode(TransceiverMode::Transmit).await?;
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^ use of undeclared type `TransceiverMode`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use dverf::TransceiverMode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `device` in this scope
[INFO] [stdout]  --> src/../readme.md:64:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | let sink = device.as_sink();
[INFO] [stdout]   |            ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `samples_iter` in this scope
[INFO] [stdout]   --> src/../readme.md:67:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | for chunk in samples_iter {
[INFO] [stdout]    |              ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/../readme.md:60:56
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_59_0() {
[INFO] [stdout]   |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] 3 | device.set_transceiver_mode(TransceiverMode::Transmit).await?;
[INFO] [stdout]   |                                                        ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/../readme.md:68:20
[INFO] [stdout]    |
[INFO] [stdout] 2  | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_59_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 11 |   sink.feed(chunk).await?;
[INFO] [stdout]    |                    ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/../readme.md:72:14
[INFO] [stdout]    |
[INFO] [stdout] 2  | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____readme_md_59_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 15 | sink.flush().await?;
[INFO] [stdout]    |              ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Device::from_interface (line 142) 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:146:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_142_0() {
[INFO] [stdout]   |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 7 | let device_info = nusb::list_devices()?
[INFO] [stdout]   |                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]   |
[INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_142_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 5 | use dverf::VENDOR_ID;
[INFO] [stdout] ...
[INFO] [stdout] 12| let interface = device.claim_interface(0)?;
[INFO] [stdout] 13+     Ok(())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `context` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/lib.rs:148:6
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let device_info = nusb::list_devices()?
[INFO] [stdout]   |  ___________________-
[INFO] [stdout] 8 | |     .find(|dev| dev.vendor_id() == VENDOR_ID && dev.product_id() == 0x6089)
[INFO] [stdout] 9 | |     .context("device not connected")?;
[INFO] [stdout]   | |     -^^^^^^^ method not found in `Option<DeviceInfo>`
[INFO] [stdout]   | |_____|
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[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/../readme.md - (line 15)
[INFO] [stdout]     src/../readme.md - (line 34)
[INFO] [stdout]     src/../readme.md - (line 47)
[INFO] [stdout]     src/../readme.md - (line 59)
[INFO] [stdout]     src/lib.rs - Device::from_interface (line 142)
[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: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4fb5a8452f39d03a71fecc7af3a6b7e0921c30ad05750316edbd9fe485489613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb5a8452f39d03a71fecc7af3a6b7e0921c30ad05750316edbd9fe485489613", kill_on_drop: false }`
[INFO] [stdout] 4fb5a8452f39d03a71fecc7af3a6b7e0921c30ad05750316edbd9fe485489613
