Dec 17 13:55:58.530 INFO checking tera3939/rustcp_client against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 13:55:58.530 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/tera3939/rustcp_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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:55:59.008 INFO [stdout] 8580a623ee9dee6b2c646b10ac6fd9b0e9f3850a3581882ba237d2b981d13511
Dec 17 13:55:59.014 INFO running `"docker" "start" "-a" "8580a623ee9dee6b2c646b10ac6fd9b0e9f3850a3581882ba237d2b981d13511"`
Dec 17 13:56:00.640 INFO [stderr]     Checking rustcp_client v0.1.0 (/opt/crater/workdir)
Dec 17 13:56:00.972 INFO [stderr] warning: unused variable: `buffer`
Dec 17 13:56:00.972 INFO [stderr]   --> src/main.rs:12:13
Dec 17 13:56:00.972 INFO [stderr]    |
Dec 17 13:56:00.972 INFO [stderr] 12 |     let mut buffer = String::new();
Dec 17 13:56:00.972 INFO [stderr]    |             ^^^^^^ help: consider using `_buffer` instead
Dec 17 13:56:00.972 INFO [stderr]    |
Dec 17 13:56:00.972 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:56:00.972 INFO [stderr] 
Dec 17 13:56:00.995 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:56:00.995 INFO [stderr]   --> src/main.rs:12:9
Dec 17 13:56:00.995 INFO [stderr]    |
Dec 17 13:56:00.995 INFO [stderr] 12 |     let mut buffer = String::new();
Dec 17 13:56:00.995 INFO [stderr]    |         ----^^^^^^
Dec 17 13:56:00.995 INFO [stderr]    |         |
Dec 17 13:56:00.995 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:56:00.995 INFO [stderr]    |
Dec 17 13:56:00.995 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:56:00.995 INFO [stderr] 
Dec 17 13:56:01.022 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:56:01.022 INFO [stderr]   --> src/main.rs:18:21
Dec 17 13:56:01.022 INFO [stderr]    |
Dec 17 13:56:01.022 INFO [stderr] 18 |                     stream.write(buffer.as_bytes());
Dec 17 13:56:01.022 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:56:01.022 INFO [stderr]    |
Dec 17 13:56:01.028 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:56:01.028 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:56:01.028 INFO [stderr] 
Dec 17 13:56:01.044 INFO [stderr] warning: unused variable: `buffer`
Dec 17 13:56:01.044 INFO [stderr]   --> src/main.rs:12:13
Dec 17 13:56:01.044 INFO [stderr]    |
Dec 17 13:56:01.045 INFO [stderr] 12 |     let mut buffer = String::new();
Dec 17 13:56:01.045 INFO [stderr]    |             ^^^^^^ help: consider using `_buffer` instead
Dec 17 13:56:01.045 INFO [stderr]    |
Dec 17 13:56:01.045 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:56:01.045 INFO [stderr] 
Dec 17 13:56:01.057 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:56:01.057 INFO [stderr]   --> src/main.rs:12:9
Dec 17 13:56:01.057 INFO [stderr]    |
Dec 17 13:56:01.057 INFO [stderr] 12 |     let mut buffer = String::new();
Dec 17 13:56:01.057 INFO [stderr]    |         ----^^^^^^
Dec 17 13:56:01.057 INFO [stderr]    |         |
Dec 17 13:56:01.057 INFO [stderr]    |         help: remove this `mut`
Dec 17 13:56:01.057 INFO [stderr]    |
Dec 17 13:56:01.057 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:56:01.057 INFO [stderr] 
Dec 17 13:56:01.108 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:56:01.108 INFO [stderr]   --> src/main.rs:18:21
Dec 17 13:56:01.108 INFO [stderr]    |
Dec 17 13:56:01.108 INFO [stderr] 18 |                     stream.write(buffer.as_bytes());
Dec 17 13:56:01.108 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:56:01.108 INFO [stderr]    |
Dec 17 13:56:01.108 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:56:01.108 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:56:01.108 INFO [stderr] 
Dec 17 13:56:01.130 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 17 13:56:02.137 INFO running `"docker" "inspect" "8580a623ee9dee6b2c646b10ac6fd9b0e9f3850a3581882ba237d2b981d13511"`
Dec 17 13:56:02.532 INFO running `"docker" "rm" "-f" "8580a623ee9dee6b2c646b10ac6fd9b0e9f3850a3581882ba237d2b981d13511"`
Dec 17 13:56:02.908 INFO [stdout] 8580a623ee9dee6b2c646b10ac6fd9b0e9f3850a3581882ba237d2b981d13511