Nov 01 00:23:13.501 INFO checking muranoya/CubaLibre against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 00:23:13.503 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 00:23:14.020 INFO blam! d0ffffa405db798a27c17db3c289dd38ab11cc57015fa7b8f633db150665108d
Nov 01 00:23:14.021 INFO running `"docker" "start" "-a" "d0ffffa405db798a27c17db3c289dd38ab11cc57015fa7b8f633db150665108d"`
Nov 01 00:23:15.768 INFO kablam! usermod: no changes
Nov 01 00:23:15.840 INFO kablam!     Checking cuba_libre v0.0.1 (/source)
Nov 01 00:23:16.216 INFO kablam! warning: unused import: `Shutdown`
Nov 01 00:23:16.216 INFO kablam!  --> src/main.rs:2:40
Nov 01 00:23:16.216 INFO kablam!   |
Nov 01 00:23:16.216 INFO kablam! 2 | use std::net::{TcpListener, TcpStream, Shutdown};
Nov 01 00:23:16.217 INFO kablam!   |                                        ^^^^^^^^
Nov 01 00:23:16.217 INFO kablam!   |
Nov 01 00:23:16.217 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 00:23:16.217 INFO kablam! 
Nov 01 00:23:16.353 INFO kablam! warning: unused import: `Shutdown`
Nov 01 00:23:16.354 INFO kablam!  --> src/main.rs:2:40
Nov 01 00:23:16.355 INFO kablam!   |
Nov 01 00:23:16.355 INFO kablam! 2 | use std::net::{TcpListener, TcpStream, Shutdown};
Nov 01 00:23:16.355 INFO kablam!   |                                        ^^^^^^^^
Nov 01 00:23:16.355 INFO kablam!   |
Nov 01 00:23:16.355 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 00:23:16.355 INFO kablam! 
Nov 01 00:23:16.355 INFO kablam! warning: unused variable: `args`
Nov 01 00:23:16.355 INFO kablam!    --> src/main.rs:103:16
Nov 01 00:23:16.356 INFO kablam!     |
Nov 01 00:23:16.356 INFO kablam! 103 | fn set_options(args:&mut env::Args) -> Result<RToption, String> {
Nov 01 00:23:16.356 INFO kablam!     |                ^^^^ help: consider using `_args` instead
Nov 01 00:23:16.356 INFO kablam!     |
Nov 01 00:23:16.356 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 00:23:16.356 INFO kablam! 
Nov 01 00:23:16.420 INFO kablam! warning: field is never used: `verbose`
Nov 01 00:23:16.421 INFO kablam!   --> src/main.rs:96:5
Nov 01 00:23:16.421 INFO kablam!    |
Nov 01 00:23:16.421 INFO kablam! 96 |     verbose:     i32,
Nov 01 00:23:16.421 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 00:23:16.422 INFO kablam!    |
Nov 01 00:23:16.422 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 00:23:16.422 INFO kablam! 
Nov 01 00:23:16.422 INFO kablam! warning: function is never used: `print_usage`
Nov 01 00:23:16.423 INFO kablam!   --> src/main.rs:99:1
Nov 01 00:23:16.423 INFO kablam!    |
Nov 01 00:23:16.423 INFO kablam! 99 | fn print_usage(args:&mut env::Args) {
Nov 01 00:23:16.424 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:23:16.424 INFO kablam! 
Nov 01 00:23:16.424 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 00:23:16.425 INFO kablam!    --> src/main.rs:257:21
Nov 01 00:23:16.425 INFO kablam!     |
Nov 01 00:23:16.425 INFO kablam! 257 |                     sendrecv_data(req, sock);
Nov 01 00:23:16.426 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:23:16.426 INFO kablam!     |
Nov 01 00:23:16.426 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 00:23:16.426 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 00:23:16.427 INFO kablam! 
Nov 01 00:23:16.485 INFO kablam! warning: unused variable: `args`
Nov 01 00:23:16.485 INFO kablam!    --> src/main.rs:103:16
Nov 01 00:23:16.485 INFO kablam!     |
Nov 01 00:23:16.486 INFO kablam! 103 | fn set_options(args:&mut env::Args) -> Result<RToption, String> {
Nov 01 00:23:16.486 INFO kablam!     |                ^^^^ help: consider using `_args` instead
Nov 01 00:23:16.486 INFO kablam!     |
Nov 01 00:23:16.487 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 00:23:16.487 INFO kablam! 
Nov 01 00:23:16.518 INFO kablam! warning: field is never used: `verbose`
Nov 01 00:23:16.520 INFO kablam!   --> src/main.rs:96:5
Nov 01 00:23:16.520 INFO kablam!    |
Nov 01 00:23:16.521 INFO kablam! 96 |     verbose:     i32,
Nov 01 00:23:16.521 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 00:23:16.521 INFO kablam!    |
Nov 01 00:23:16.522 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 00:23:16.522 INFO kablam! 
Nov 01 00:23:16.522 INFO kablam! warning: function is never used: `print_usage`
Nov 01 00:23:16.522 INFO kablam!   --> src/main.rs:99:1
Nov 01 00:23:16.523 INFO kablam!    |
Nov 01 00:23:16.523 INFO kablam! 99 | fn print_usage(args:&mut env::Args) {
Nov 01 00:23:16.523 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:23:16.524 INFO kablam! 
Nov 01 00:23:16.524 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 00:23:16.524 INFO kablam!    --> src/main.rs:257:21
Nov 01 00:23:16.525 INFO kablam!     |
Nov 01 00:23:16.525 INFO kablam! 257 |                     sendrecv_data(req, sock);
Nov 01 00:23:16.525 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:23:16.525 INFO kablam!     |
Nov 01 00:23:16.526 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 00:23:16.526 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 00:23:16.526 INFO kablam! 
Nov 01 00:23:16.566 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Nov 01 00:23:16.569 INFO kablam! su: No module specific data is present
Nov 01 00:23:17.573 INFO running `"docker" "rm" "-f" "d0ffffa405db798a27c17db3c289dd38ab11cc57015fa7b8f633db150665108d"`
Nov 01 00:23:17.860 INFO blam! d0ffffa405db798a27c17db3c289dd38ab11cc57015fa7b8f633db150665108d