[INFO] fetching crate uinput-tokio 0.1.35...
[INFO] checking uinput-tokio-0.1.35 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate uinput-tokio 0.1.35 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate uinput-tokio 0.1.35 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uinput-tokio 0.1.35
[INFO] finished tweaking crates.io crate uinput-tokio 0.1.35
[INFO] tweaked toml for crates.io crate uinput-tokio 0.1.35 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate uinput-tokio 0.1.35 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioctl-sys v0.5.2
[INFO] [stderr]   Downloaded uinput-sys v0.1.7
[INFO] [stderr]   Downloaded tokio-macros v1.1.0
[INFO] [stderr]   Downloaded enum_derive v0.1.7
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded syn v1.0.65
[INFO] [stderr]   Downloaded tokio v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6d9cddb429d2fd519ebee15d00e4a3e2d828f2bbd225ce50a282fe93849de8f
[INFO] running `Command { std: "docker" "start" "-a" "b6d9cddb429d2fd519ebee15d00e4a3e2d828f2bbd225ce50a282fe93849de8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d9cddb429d2fd519ebee15d00e4a3e2d828f2bbd225ce50a282fe93849de8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d9cddb429d2fd519ebee15d00e4a3e2d828f2bbd225ce50a282fe93849de8f", kill_on_drop: false }`
[INFO] [stdout] b6d9cddb429d2fd519ebee15d00e4a3e2d828f2bbd225ce50a282fe93849de8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7cd6fbae6b5f04003b28bc5f0ee0c68799092f2b96d20781e2995acda434268
[INFO] running `Command { std: "docker" "start" "-a" "f7cd6fbae6b5f04003b28bc5f0ee0c68799092f2b96d20781e2995acda434268", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking uinput-sys v0.1.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking uinput-tokio v0.1.35 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nix;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate nix;
[INFO] [stdout]   | ----------------- the item `nix` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `udev` is imported redundantly
[INFO] [stdout]   --> src/error.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use udev;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate libudev as udev;
[INFO] [stdout]    | ----------------------------- the item `udev` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]  --> src/device/builder.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nix::{self, unistd};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate nix;
[INFO] [stdout]   | ----------------- the item `nix` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `udev` is imported redundantly
[INFO] [stdout]   --> src/device/builder.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use udev;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate libudev as udev;
[INFO] [stdout]    | ----------------------------- the item `udev` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nix;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate nix;
[INFO] [stdout]   | ----------------- the item `nix` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `udev` is imported redundantly
[INFO] [stdout]   --> src/error.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use udev;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate libudev as udev;
[INFO] [stdout]    | ----------------------------- the item `udev` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]  --> src/device/builder.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nix::{self, unistd};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate nix;
[INFO] [stdout]   | ----------------- the item `nix` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `udev` is imported redundantly
[INFO] [stdout]   --> src/device/builder.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use udev;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate libudev as udev;
[INFO] [stdout]    | ----------------------------- the item `udev` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> examples/mouse.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> examples/hello.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.65s
[INFO] running `Command { std: "docker" "inspect" "f7cd6fbae6b5f04003b28bc5f0ee0c68799092f2b96d20781e2995acda434268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cd6fbae6b5f04003b28bc5f0ee0c68799092f2b96d20781e2995acda434268", kill_on_drop: false }`
[INFO] [stdout] f7cd6fbae6b5f04003b28bc5f0ee0c68799092f2b96d20781e2995acda434268