Oct 12 12:28:04.818 INFO checking tera3939/rustcp_client against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 12:28:04.818 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 12:28:05.093 INFO blam! 95a75d8fed4644fa5cef11226ce17a319bb5b9699cd65b3edf0a05ce8eab39c6
Oct 12 12:28:05.096 INFO running `"docker" "start" "-a" "95a75d8fed4644fa5cef11226ce17a319bb5b9699cd65b3edf0a05ce8eab39c6"`
Oct 12 12:28:05.731 INFO kablam! usermod: no changes
Oct 12 12:28:05.772 INFO kablam!     Checking rustcp_client v0.1.0 (/source)
Oct 12 12:28:05.964 INFO kablam! warning: unused variable: `buffer`
Oct 12 12:28:05.964 INFO kablam!   --> src/main.rs:12:13
Oct 12 12:28:05.964 INFO kablam!    |
Oct 12 12:28:05.964 INFO kablam! 12 |     let mut buffer = String::new();
Oct 12 12:28:05.964 INFO kablam!    |             ^^^^^^ help: consider using `_buffer` instead
Oct 12 12:28:05.964 INFO kablam!    |
Oct 12 12:28:05.964 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 12:28:05.964 INFO kablam! 
Oct 12 12:28:05.965 INFO kablam! warning: variable does not need to be mutable
Oct 12 12:28:05.965 INFO kablam!   --> src/main.rs:12:9
Oct 12 12:28:05.965 INFO kablam!    |
Oct 12 12:28:05.965 INFO kablam! 12 |     let mut buffer = String::new();
Oct 12 12:28:05.965 INFO kablam!    |         ----^^^^^^
Oct 12 12:28:05.965 INFO kablam!    |         |
Oct 12 12:28:05.965 INFO kablam!    |         help: remove this `mut`
Oct 12 12:28:05.965 INFO kablam!    |
Oct 12 12:28:05.965 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 12:28:05.965 INFO kablam! 
Oct 12 12:28:05.980 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 12:28:05.980 INFO kablam!   --> src/main.rs:18:21
Oct 12 12:28:05.980 INFO kablam!    |
Oct 12 12:28:05.980 INFO kablam! 18 |                     stream.write(buffer.as_bytes());
Oct 12 12:28:05.980 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:05.980 INFO kablam!    |
Oct 12 12:28:05.980 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 12:28:05.980 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 12:28:05.980 INFO kablam! 
Oct 12 12:28:05.990 INFO kablam! warning: unused variable: `buffer`
Oct 12 12:28:05.990 INFO kablam!   --> src/main.rs:12:13
Oct 12 12:28:05.990 INFO kablam!    |
Oct 12 12:28:05.990 INFO kablam! 12 |     let mut buffer = String::new();
Oct 12 12:28:05.991 INFO kablam!    |             ^^^^^^ help: consider using `_buffer` instead
Oct 12 12:28:05.991 INFO kablam!    |
Oct 12 12:28:05.991 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 12:28:05.991 INFO kablam! 
Oct 12 12:28:05.995 INFO kablam! warning: variable does not need to be mutable
Oct 12 12:28:05.995 INFO kablam!   --> src/main.rs:12:9
Oct 12 12:28:05.995 INFO kablam!    |
Oct 12 12:28:05.995 INFO kablam! 12 |     let mut buffer = String::new();
Oct 12 12:28:05.995 INFO kablam!    |         ----^^^^^^
Oct 12 12:28:05.995 INFO kablam!    |         |
Oct 12 12:28:05.995 INFO kablam!    |         help: remove this `mut`
Oct 12 12:28:05.995 INFO kablam!    |
Oct 12 12:28:05.995 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 12:28:05.995 INFO kablam! 
Oct 12 12:28:06.032 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 12:28:06.032 INFO kablam!   --> src/main.rs:18:21
Oct 12 12:28:06.032 INFO kablam!    |
Oct 12 12:28:06.032 INFO kablam! 18 |                     stream.write(buffer.as_bytes());
Oct 12 12:28:06.032 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:06.032 INFO kablam!    |
Oct 12 12:28:06.032 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 12:28:06.032 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 12:28:06.032 INFO kablam! 
Oct 12 12:28:06.068 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Oct 12 12:28:06.072 INFO kablam! su: No module specific data is present
Oct 12 12:28:06.370 INFO running `"docker" "rm" "-f" "95a75d8fed4644fa5cef11226ce17a319bb5b9699cd65b3edf0a05ce8eab39c6"`
Oct 12 12:28:06.476 INFO blam! 95a75d8fed4644fa5cef11226ce17a319bb5b9699cd65b3edf0a05ce8eab39c6