Nov 27 18:58:43.788 INFO checking tera3939/rustcp_client against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 18:58:43.790 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 18:58:44.182 INFO [stdout] d8b266dbefec51e3a04558ada86908f15631d0d1c594875791ca8eff05321fc0
Nov 27 18:58:44.186 INFO running `"docker" "start" "-a" "d8b266dbefec51e3a04558ada86908f15631d0d1c594875791ca8eff05321fc0"`
Nov 27 18:58:45.403 INFO [stderr] usermod: no changes
Nov 27 18:58:45.453 INFO [stderr]     Checking rustcp_client v0.1.0 (/source)
Nov 27 18:58:45.698 INFO [stderr] warning: unused variable: `buffer`
Nov 27 18:58:45.699 INFO [stderr]   --> src/main.rs:12:13
Nov 27 18:58:45.699 INFO [stderr]    |
Nov 27 18:58:45.699 INFO [stderr] 12 |     let mut buffer = String::new();
Nov 27 18:58:45.700 INFO [stderr]    |             ^^^^^^ help: consider using `_buffer` instead
Nov 27 18:58:45.700 INFO [stderr]    |
Nov 27 18:58:45.702 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 18:58:45.702 INFO [stderr] 
Nov 27 18:58:45.702 INFO [stderr] warning: variable does not need to be mutable
Nov 27 18:58:45.703 INFO [stderr]   --> src/main.rs:12:9
Nov 27 18:58:45.703 INFO [stderr]    |
Nov 27 18:58:45.703 INFO [stderr] 12 |     let mut buffer = String::new();
Nov 27 18:58:45.704 INFO [stderr]    |         ----^^^^^^
Nov 27 18:58:45.704 INFO [stderr]    |         |
Nov 27 18:58:45.704 INFO [stderr]    |         help: remove this `mut`
Nov 27 18:58:45.705 INFO [stderr]    |
Nov 27 18:58:45.708 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 18:58:45.708 INFO [stderr] 
Nov 27 18:58:45.717 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 18:58:45.717 INFO [stderr]   --> src/main.rs:18:21
Nov 27 18:58:45.718 INFO [stderr]    |
Nov 27 18:58:45.718 INFO [stderr] 18 |                     stream.write(buffer.as_bytes());
Nov 27 18:58:45.718 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:45.718 INFO [stderr]    |
Nov 27 18:58:45.719 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 18:58:45.719 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 18:58:45.719 INFO [stderr] 
Nov 27 18:58:45.789 INFO [stderr] warning: unused variable: `buffer`
Nov 27 18:58:45.789 INFO [stderr]   --> src/main.rs:12:13
Nov 27 18:58:45.789 INFO [stderr]    |
Nov 27 18:58:45.789 INFO [stderr] 12 |     let mut buffer = String::new();
Nov 27 18:58:45.789 INFO [stderr]    |             ^^^^^^ help: consider using `_buffer` instead
Nov 27 18:58:45.789 INFO [stderr]    |
Nov 27 18:58:45.789 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 18:58:45.789 INFO [stderr] 
Nov 27 18:58:45.798 INFO [stderr] warning: variable does not need to be mutable
Nov 27 18:58:45.798 INFO [stderr]   --> src/main.rs:12:9
Nov 27 18:58:45.798 INFO [stderr]    |
Nov 27 18:58:45.798 INFO [stderr] 12 |     let mut buffer = String::new();
Nov 27 18:58:45.798 INFO [stderr]    |         ----^^^^^^
Nov 27 18:58:45.798 INFO [stderr]    |         |
Nov 27 18:58:45.798 INFO [stderr]    |         help: remove this `mut`
Nov 27 18:58:45.798 INFO [stderr]    |
Nov 27 18:58:45.798 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 18:58:45.798 INFO [stderr] 
Nov 27 18:58:45.813 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 18:58:45.813 INFO [stderr]   --> src/main.rs:18:21
Nov 27 18:58:45.814 INFO [stderr]    |
Nov 27 18:58:45.814 INFO [stderr] 18 |                     stream.write(buffer.as_bytes());
Nov 27 18:58:45.814 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:45.814 INFO [stderr]    |
Nov 27 18:58:45.814 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 18:58:45.814 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 18:58:45.814 INFO [stderr] 
Nov 27 18:58:45.841 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Nov 27 18:58:45.844 INFO [stderr] su: No module specific data is present
Nov 27 18:58:46.387 INFO running `"docker" "inspect" "d8b266dbefec51e3a04558ada86908f15631d0d1c594875791ca8eff05321fc0"`
Nov 27 18:58:46.674 INFO running `"docker" "rm" "-f" "d8b266dbefec51e3a04558ada86908f15631d0d1c594875791ca8eff05321fc0"`
Nov 27 18:58:46.906 INFO [stdout] d8b266dbefec51e3a04558ada86908f15631d0d1c594875791ca8eff05321fc0