[INFO] fetching crate usbapi 0.4.2...
[INFO] testing usbapi-0.4.2 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate usbapi 0.4.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate usbapi 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate usbapi 0.4.2
[INFO] tweaked toml for crates.io crate usbapi 0.4.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usbapi 0.4.2 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate usbapi 0.4.2 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2eff1c143423ffda92e2483f554d270ff63cabab1ba407c6a9727c9746ac8ac
[INFO] running `Command { std: "docker" "start" "-a" "c2eff1c143423ffda92e2483f554d270ff63cabab1ba407c6a9727c9746ac8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2eff1c143423ffda92e2483f554d270ff63cabab1ba407c6a9727c9746ac8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2eff1c143423ffda92e2483f554d270ff63cabab1ba407c6a9727c9746ac8ac", kill_on_drop: false }`
[INFO] [stdout] c2eff1c143423ffda92e2483f554d270ff63cabab1ba407c6a9727c9746ac8ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5fbe41863913f8f1a5026bf1a27e47402fb60a8e8baa9c83f44be7b908e3285
[INFO] running `Command { std: "docker" "start" "-a" "d5fbe41863913f8f1a5026bf1a27e47402fb60a8e8baa9c83f44be7b908e3285", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling sysfs-serde v0.2.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling usbapi v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/os/linux/enumerate.rs:12:71
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let dev = UsbDevice::from_bytes(dev.descriptors.clone(), |mut d| {
[INFO] [stdout]    |                                                                       ----^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/os/linux/usb_device.rs:111:34
[INFO] [stdout]     |
[INFO] [stdout] 111 |         Self::from_bytes(bytes, |mut d| {
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "d5fbe41863913f8f1a5026bf1a27e47402fb60a8e8baa9c83f44be7b908e3285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5fbe41863913f8f1a5026bf1a27e47402fb60a8e8baa9c83f44be7b908e3285", kill_on_drop: false }`
[INFO] [stdout] d5fbe41863913f8f1a5026bf1a27e47402fb60a8e8baa9c83f44be7b908e3285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b06578eff15ff1d6ee7ddffe26a0c2dbdf8539aa2ffbf5dcb5a6c255030dfe97
[INFO] running `Command { std: "docker" "start" "-a" "b06578eff15ff1d6ee7ddffe26a0c2dbdf8539aa2ffbf5dcb5a6c255030dfe97", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/os/linux/enumerate.rs:12:71
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let dev = UsbDevice::from_bytes(dev.descriptors.clone(), |mut d| {
[INFO] [stdout]    |                                                                       ----^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/os/linux/usb_device.rs:111:34
[INFO] [stdout]     |
[INFO] [stdout] 111 |         Self::from_bytes(bytes, |mut d| {
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling usbapi v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::ErrorKind`
[INFO] [stdout]  --> examples/read_strings.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::ErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> examples/read_strings.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicBool` and `Ordering`
[INFO] [stdout]  --> examples/read_strings.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> examples/read_strings.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> examples/read_strings.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `usbapi::endpoint::Endpoint`
[INFO] [stdout]  --> examples/read_strings.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use usbapi::endpoint::Endpoint;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/os/linux/enumerate.rs:12:71
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let dev = UsbDevice::from_bytes(dev.descriptors.clone(), |mut d| {
[INFO] [stdout]    |                                                                       ----^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/os/linux/usb_device.rs:111:34
[INFO] [stdout]     |
[INFO] [stdout] 111 |         Self::from_bytes(bytes, |mut d| {
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "b06578eff15ff1d6ee7ddffe26a0c2dbdf8539aa2ffbf5dcb5a6c255030dfe97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06578eff15ff1d6ee7ddffe26a0c2dbdf8539aa2ffbf5dcb5a6c255030dfe97", kill_on_drop: false }`
[INFO] [stdout] b06578eff15ff1d6ee7ddffe26a0c2dbdf8539aa2ffbf5dcb5a6c255030dfe97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34573c498ff9418847f002f0064fe7f3274c792ad049368a6203ded9472a32af
[INFO] running `Command { std: "docker" "start" "-a" "34573c498ff9418847f002f0064fe7f3274c792ad049368a6203ded9472a32af", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/os/linux/enumerate.rs:12:71
[INFO] [stderr]    |
[INFO] [stderr] 12 |             let dev = UsbDevice::from_bytes(dev.descriptors.clone(), |mut d| {
[INFO] [stderr]    |                                                                       ----^
[INFO] [stderr]    |                                                                       |
[INFO] [stderr]    |                                                                       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/os/linux/usb_device.rs:111:34
[INFO] [stderr]     |
[INFO] [stderr] 111 |         Self::from_bytes(bytes, |mut d| {
[INFO] [stderr]     |                                  ----^
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `usbapi` (lib) generated 2 warnings (run `cargo fix --lib -p usbapi` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `std::io::ErrorKind`
[INFO] [stderr]  --> examples/read_strings.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::ErrorKind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> examples/read_strings.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicBool` and `Ordering`
[INFO] [stderr]  --> examples/read_strings.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> examples/read_strings.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration` and `Instant`
[INFO] [stderr]  --> examples/read_strings.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `usbapi::endpoint::Endpoint`
[INFO] [stderr]  --> examples/read_strings.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use usbapi::endpoint::Endpoint;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `usbapi` (example "read_strings") generated 6 warnings (run `cargo fix --example "read_strings"` to apply 6 suggestions)
[INFO] [stderr] warning: `usbapi` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/usbapi-9c25dfd067ddfa56)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests usbapi
[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 5 tests
[INFO] [stdout] test src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::async_response (line 275) ... FAILED
[INFO] [stdout] test src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::submit_bulk (line 547) ... FAILED
[INFO] [stdout] test src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::async_response_all (line 313) ... FAILED
[INFO] [stdout] test src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::release_interface (line 388) ... FAILED
[INFO] [stdout] test src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::claim_interface (line 350) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::async_response (line 275) stdout ----
[INFO] [stdout] error: this file contains an unclosed delimiter
[INFO] [stdout]  --> src/os/linux/usbfs.rs:283:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | match transfer {
[INFO] [stdout]   |                - unclosed delimiter
[INFO] [stdout] 5 |    Ok(transfer) => { // do stuff }
[INFO] [stdout]   |                    - this delimiter might not be properly closed...
[INFO] [stdout] 6 |    Err(e) if e.kind() == ErrorKind::WouldBlock => {},
[INFO] [stdout]   |                                                   -- block is empty, you might have not meant to close it
[INFO] [stdout] 7 |    Err(e) => { return Err(e); }
[INFO] [stdout] 8 | }
[INFO] [stdout]   | -^
[INFO] [stdout]   | |
[INFO] [stdout]   | ...as it matches this but it has different indentation
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::submit_bulk (line 547) stdout ----
[INFO] [stdout] error: this file contains an unclosed delimiter
[INFO] [stdout]  --> src/os/linux/usbfs.rs:553:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | match resp { // do stuff }
[INFO] [stdout]   |            -              ^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            unclosed delimiter
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::async_response_all (line 313) stdout ----
[INFO] [stdout] error: this file contains an unclosed delimiter
[INFO] [stdout]  --> src/os/linux/usbfs.rs:319:2
[INFO] [stdout]   |
[INFO] [stdout] 3 | if !events.is_empty() {
[INFO] [stdout]   |                       - unclosed delimiter
[INFO] [stdout] 4 |     usb.async_response_all()?;
[INFO] [stdout] 5 |     for transfer in usb.collect_responses() { // Do stuff }
[INFO] [stdout]   |                                             - this delimiter might not be properly closed...
[INFO] [stdout] 6 | }
[INFO] [stdout]   | -^
[INFO] [stdout]   | |
[INFO] [stdout]   | ...as it matches this but it has different indentation
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::release_interface (line 388) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `usb` in this scope
[INFO] [stdout]  --> src/os/linux/usbfs.rs:389:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | usb.release_interface(1)
[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/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::claim_interface (line 350) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `usb` in this scope
[INFO] [stdout]  --> src/os/linux/usbfs.rs:351:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | usb.claim_interface(1)
[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] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::async_response (line 275)
[INFO] [stdout]     src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::async_response_all (line 313)
[INFO] [stdout]     src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::claim_interface (line 350)
[INFO] [stdout]     src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::release_interface (line 388)
[INFO] [stdout]     src/os/linux/usbfs.rs - os::linux::usbfs::UsbFs::submit_bulk (line 547)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "34573c498ff9418847f002f0064fe7f3274c792ad049368a6203ded9472a32af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34573c498ff9418847f002f0064fe7f3274c792ad049368a6203ded9472a32af", kill_on_drop: false }`
[INFO] [stdout] 34573c498ff9418847f002f0064fe7f3274c792ad049368a6203ded9472a32af
