[INFO] updating cached repository https://github.com/CraigglesO/keepkey-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 427311e93c48a45c432650a58fb2416159affd9f
[INFO] checking CraigglesO/keepkey-rust against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraigglesO%2Fkeepkey-rust" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CraigglesO/keepkey-rust on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CraigglesO/keepkey-rust
[INFO] finished tweaking git repo https://github.com/CraigglesO/keepkey-rust
[INFO] tweaked toml for git repo https://github.com/CraigglesO/keepkey-rust written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/CraigglesO/keepkey-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4b4122882ae4116d27dd0a7821a931f37837862c0737c9e9b1c09b5d49ce3b14
[INFO] running `"docker" "start" "-a" "4b4122882ae4116d27dd0a7821a931f37837862c0737c9e9b1c09b5d49ce3b14"`
[INFO] [stderr]    Compiling libusb-sys v0.2.3 (https://github.com/paritytech/libusb-sys#c10b1180)
[INFO] [stderr]    Compiling hidapi v0.3.1 (https://github.com/paritytech/hidapi-rs#9a127c1d)
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking thread-id v3.2.0
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking parking_lot_core v0.2.2
[INFO] [stderr]     Checking parking_lot v0.4.4
[INFO] [stderr]     Checking libusb v0.3.0 (https://github.com/paritytech/libusb-rs#47c3d09c)
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.8.1
[INFO] [stderr]     Checking quick-protobuf v0.4.0
[INFO] [stderr]     Checking keepkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `ButtonAck`, `ButtonRequest`, `GetPublicKey`, `Initialize`, `PinMatrixRequest`, `PublicKey`, `Success`
[INFO] [stderr]   --> src/main.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Address, ButtonAck, ButtonRequest, Failure, Features,
[INFO] [stderr]    |              ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 16 |     GetAddress, GetPublicKey, Initialize, Ping, PinMatrixAck,
[INFO] [stderr]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 17 |     PinMatrixRequest, PublicKey, Success,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ButtonAck`, `ButtonRequest`, `GetPublicKey`, `Initialize`, `PinMatrixRequest`, `PublicKey`, `Success`
[INFO] [stderr]   --> src/main.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Address, ButtonAck, ButtonRequest, Failure, Features,
[INFO] [stderr]    |              ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 16 |     GetAddress, GetPublicKey, Initialize, Ping, PinMatrixAck,
[INFO] [stderr]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 17 |     PinMatrixRequest, PublicKey, Success,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `manager`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let manager = Manager::new();
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_manager`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ping`
[INFO] [stderr]    --> src/main.rs:227:21
[INFO] [stderr]     |
[INFO] [stderr] 227 |                 let ping = Ping::from_reader(&mut reader, &msg).expect("Cannot read Message -_-");
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_ping`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `manager`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let manager = Manager::new();
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_manager`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ping`
[INFO] [stderr]    --> src/main.rs:227:21
[INFO] [stderr]     |
[INFO] [stderr] 227 |                 let ping = Ping::from_reader(&mut reader, &msg).expect("Cannot read Message -_-");
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_ping`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.93s
[INFO] running `"docker" "inspect" "4b4122882ae4116d27dd0a7821a931f37837862c0737c9e9b1c09b5d49ce3b14"`
[INFO] running `"docker" "rm" "-f" "4b4122882ae4116d27dd0a7821a931f37837862c0737c9e9b1c09b5d49ce3b14"`
[INFO] [stdout] 4b4122882ae4116d27dd0a7821a931f37837862c0737c9e9b1c09b5d49ce3b14