[INFO] fetching crate usbapi 0.4.2...
[INFO] checking usbapi-0.4.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate usbapi 0.4.2 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usbapi 0.4.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44beec7a5bd31fda55e08d0597ba0392fb56af7468fbfbef558ce80ef141a063
[INFO] running `Command { std: "docker" "start" "-a" "44beec7a5bd31fda55e08d0597ba0392fb56af7468fbfbef558ce80ef141a063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44beec7a5bd31fda55e08d0597ba0392fb56af7468fbfbef558ce80ef141a063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44beec7a5bd31fda55e08d0597ba0392fb56af7468fbfbef558ce80ef141a063", kill_on_drop: false }`
[INFO] [stdout] 44beec7a5bd31fda55e08d0597ba0392fb56af7468fbfbef558ce80ef141a063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e22f63d4e325b60778f194e854d41f58e19982d628a2b681c8c0f74150414a2b
[INFO] running `Command { std: "docker" "start" "-a" "e22f63d4e325b60778f194e854d41f58e19982d628a2b681c8c0f74150414a2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[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]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sysfs-serde v0.2.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking 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] [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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `Command { std: "docker" "inspect" "e22f63d4e325b60778f194e854d41f58e19982d628a2b681c8c0f74150414a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22f63d4e325b60778f194e854d41f58e19982d628a2b681c8c0f74150414a2b", kill_on_drop: false }`
[INFO] [stdout] e22f63d4e325b60778f194e854d41f58e19982d628a2b681c8c0f74150414a2b