[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-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/yrjok/Raspberry-Pi-Drive-Client"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/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-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/yrjok/Raspberry-Pi-Drive-Client"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/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#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yrjok/Raspberry-Pi-Drive-Client on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-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-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/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-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/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" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yrjok/Raspberry-Pi-Drive-Client against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-6/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 483dd8bed87864cef2ee673de67df4b9f7d38f6f8ffcc4dbe5f88ec9d8a6244e
[INFO] running `"docker" "start" "-a" "483dd8bed87864cef2ee673de67df4b9f7d38f6f8ffcc4dbe5f88ec9d8a6244e"`
[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 using `_n` instead
[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 using `_n` instead
[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 0.47s
[INFO] running `"docker" "inspect" "483dd8bed87864cef2ee673de67df4b9f7d38f6f8ffcc4dbe5f88ec9d8a6244e"`
[INFO] running `"docker" "rm" "-f" "483dd8bed87864cef2ee673de67df4b9f7d38f6f8ffcc4dbe5f88ec9d8a6244e"`
[INFO] [stdout] 483dd8bed87864cef2ee673de67df4b9f7d38f6f8ffcc4dbe5f88ec9d8a6244e