[INFO] updating cached repository yrjok/Raspberry-Pi-Drive-Client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yrjok/Raspberry-Pi-Drive-Client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yrjok/Raspberry-Pi-Drive-Client" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/yrjok/Raspberry-Pi-Drive-Client"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/yrjok/Raspberry-Pi-Drive-Client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yrjok/Raspberry-Pi-Drive-Client" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/yrjok/Raspberry-Pi-Drive-Client"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/yrjok/Raspberry-Pi-Drive-Client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a93b86e2f57eceb2cba615e3b54e38c7335579b2
[INFO] sha for GitHub repo yrjok/Raspberry-Pi-Drive-Client: a93b86e2f57eceb2cba615e3b54e38c7335579b2
[INFO] validating manifest of yrjok/Raspberry-Pi-Drive-Client on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yrjok/Raspberry-Pi-Drive-Client on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yrjok/Raspberry-Pi-Drive-Client
[INFO] finished frobbing yrjok/Raspberry-Pi-Drive-Client
[INFO] frobbed toml for yrjok/Raspberry-Pi-Drive-Client written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/yrjok/Raspberry-Pi-Drive-Client/Cargo.toml
[INFO] started frobbing yrjok/Raspberry-Pi-Drive-Client
[INFO] finished frobbing yrjok/Raspberry-Pi-Drive-Client
[INFO] frobbed toml for yrjok/Raspberry-Pi-Drive-Client written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/yrjok/Raspberry-Pi-Drive-Client/Cargo.toml
[INFO] crate yrjok/Raspberry-Pi-Drive-Client has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yrjok/Raspberry-Pi-Drive-Client against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-0/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/yrjok/Raspberry-Pi-Drive-Client:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 683533926aac1862d609fa66fa8740fc433cdf8d6f10947ef60b2601d52aea28
[INFO] running `"docker" "start" "-a" "683533926aac1862d609fa66fa8740fc433cdf8d6f10947ef60b2601d52aea28"`
[INFO] [stderr]     Checking rapid_client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/input.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if let Ok(n) = res {
[INFO] [stderr]   |               ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DISCONNECT`
[INFO] [stderr]  --> src/communication.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     DISCONNECT,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MESSAGE`
[INFO] [stderr]   --> src/communication.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     MESSAGE(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/communication.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 self.connection.shutdown(Shutdown::Both);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/input.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if let Ok(n) = res {
[INFO] [stderr]   |               ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DISCONNECT`
[INFO] [stderr]  --> src/communication.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     DISCONNECT,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MESSAGE`
[INFO] [stderr]   --> src/communication.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     MESSAGE(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/communication.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 self.connection.shutdown(Shutdown::Both);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "683533926aac1862d609fa66fa8740fc433cdf8d6f10947ef60b2601d52aea28"`
[INFO] running `"docker" "rm" "-f" "683533926aac1862d609fa66fa8740fc433cdf8d6f10947ef60b2601d52aea28"`
[INFO] [stdout] 683533926aac1862d609fa66fa8740fc433cdf8d6f10947ef60b2601d52aea28