[INFO] fetching crate usbapi 0.4.2... [INFO] checking usbapi-0.4.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate usbapi 0.4.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate usbapi 0.4.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-6-tc2/source/Cargo.toml [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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b0691b7adc8bbe81b266400616a838b024d6818db2f29ba127bfdd895844c25 [INFO] running `Command { std: "docker" "start" "-a" "3b0691b7adc8bbe81b266400616a838b024d6818db2f29ba127bfdd895844c25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b0691b7adc8bbe81b266400616a838b024d6818db2f29ba127bfdd895844c25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b0691b7adc8bbe81b266400616a838b024d6818db2f29ba127bfdd895844c25", kill_on_drop: false }` [INFO] [stdout] 3b0691b7adc8bbe81b266400616a838b024d6818db2f29ba127bfdd895844c25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fdc6df53b7907d1a5fded65cf1fc7b702e346f73c2ab2379babfa8ec460079f [INFO] running `Command { std: "docker" "start" "-a" "1fdc6df53b7907d1a5fded65cf1fc7b702e346f73c2ab2379babfa8ec460079f", 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 bitflags v1.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.89s [INFO] running `Command { std: "docker" "inspect" "1fdc6df53b7907d1a5fded65cf1fc7b702e346f73c2ab2379babfa8ec460079f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fdc6df53b7907d1a5fded65cf1fc7b702e346f73c2ab2379babfa8ec460079f", kill_on_drop: false }` [INFO] [stdout] 1fdc6df53b7907d1a5fded65cf1fc7b702e346f73c2ab2379babfa8ec460079f