[INFO] fetching crate joycon-rs 0.6.3...
[INFO] checking joycon-rs-0.6.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate joycon-rs 0.6.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate joycon-rs 0.6.3 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 joycon-rs 0.6.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate joycon-rs 0.6.3
[INFO] tweaked toml for crates.io crate joycon-rs 0.6.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate joycon-rs 0.6.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded hidapi v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 30518a9ddea2454bbfa45a01041af885f63e5a02e9c1872f0d4050468e8bba78
[INFO] running `Command { std: "docker" "start" "-a" "30518a9ddea2454bbfa45a01041af885f63e5a02e9c1872f0d4050468e8bba78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30518a9ddea2454bbfa45a01041af885f63e5a02e9c1872f0d4050468e8bba78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30518a9ddea2454bbfa45a01041af885f63e5a02e9c1872f0d4050468e8bba78", kill_on_drop: false }`
[INFO] [stdout] 30518a9ddea2454bbfa45a01041af885f63e5a02e9c1872f0d4050468e8bba78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b2f2bf8b40d4e34f37891ed712c8ccce23ef6a976a22a3881a92b94b50fb5754
[INFO] running `Command { std: "docker" "start" "-a" "b2f2bf8b40d4e34f37891ed712c8ccce23ef6a976a22a3881a92b94b50fb5754", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling hidapi v1.3.0
[INFO] [stderr]     Checking joycon-rs v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/joycon/driver/input_report_mode.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use super::*;
[INFO] [stdout]    |         -------- the item `TryFrom` is already imported here
[INFO] [stdout] 34 |     use std::convert::TryFrom;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]  --> src/joycon/manager.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::option::Option::Some;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Some` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/joycon/driver/input_report_mode.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use super::*;
[INFO] [stdout]    |         -------- the item `TryFrom` is already imported here
[INFO] [stdout] 34 |     use std::convert::TryFrom;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]  --> src/joycon/manager.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::option::Option::Some;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Some` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugHidDevice` is never constructed
[INFO] [stdout]   --> src/joycon/mod.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct DebugHidDevice<'a>(&'a HidDevice);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugHidDevice` is never constructed
[INFO] [stdout]   --> src/joycon/mod.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct DebugHidDevice<'a>(&'a HidDevice);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JoyConManager` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use joycon_rs::prelude::*;
[INFO] [stdout]   |     --------------------- the item `JoyConManager` is already imported here
[INFO] [stdout] 4 | use joycon_rs::joycon::{JoyConManager, SimpleJoyConDriver};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SimpleJoyConDriver` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | use joycon_rs::prelude::*;
[INFO] [stdout]   |     --------------------- the item `SimpleJoyConDriver` is already imported here
[INFO] [stdout] 4 | use joycon_rs::joycon::{JoyConManager, SimpleJoyConDriver};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JoyConManager` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use joycon_rs::prelude::*;
[INFO] [stdout]   |     --------------------- the item `JoyConManager` is already imported here
[INFO] [stdout] 4 | use joycon_rs::joycon::{JoyConManager, SimpleJoyConDriver};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SimpleJoyConDriver` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | use joycon_rs::prelude::*;
[INFO] [stdout]   |     --------------------- the item `SimpleJoyConDriver` is already imported here
[INFO] [stdout] 4 | use joycon_rs::joycon::{JoyConManager, SimpleJoyConDriver};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "b2f2bf8b40d4e34f37891ed712c8ccce23ef6a976a22a3881a92b94b50fb5754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f2bf8b40d4e34f37891ed712c8ccce23ef6a976a22a3881a92b94b50fb5754", kill_on_drop: false }`
[INFO] [stdout] b2f2bf8b40d4e34f37891ed712c8ccce23ef6a976a22a3881a92b94b50fb5754