Aug 17 16:16:23.471 INFO checking nexrs-0.1.0 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 16:16:23.471 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 16:16:23.471 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 16:16:23.472 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-3/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 16:16:23.741 INFO blam! 305a50938fffbc19dd9eed16284094676005e6bea16b19cbd47e8b57370f8711
Aug 17 16:16:23.744 INFO running `"docker" "start" "-a" "305a50938fffbc19dd9eed16284094676005e6bea16b19cbd47e8b57370f8711"`
Aug 17 16:16:24.715 INFO kablam!     Checking nexrs v0.1.0 (file:///source)
Aug 17 16:16:25.052 INFO kablam! warning: unused import: `std::error::Error`
Aug 17 16:16:25.052 INFO kablam!  --> src/discovery.rs:2:5
Aug 17 16:16:25.052 INFO kablam!   |
Aug 17 16:16:25.052 INFO kablam! 2 | use std::error::Error;
Aug 17 16:16:25.052 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 17 16:16:25.052 INFO kablam!   |
Aug 17 16:16:25.052 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 17 16:16:25.052 INFO kablam! 
Aug 17 16:16:25.054 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 17 16:16:25.054 INFO kablam!  --> src/discovery.rs:6:5
Aug 17 16:16:25.054 INFO kablam!   |
Aug 17 16:16:25.054 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 17 16:16:25.054 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 16:16:25.054 INFO kablam! 
Aug 17 16:16:25.054 INFO kablam! warning: unused import: `discovery::*`
Aug 17 16:16:25.054 INFO kablam!  --> src/main.rs:4:5
Aug 17 16:16:25.054 INFO kablam!   |
Aug 17 16:16:25.054 INFO kablam! 4 | use discovery::*;
Aug 17 16:16:25.054 INFO kablam!   |     ^^^^^^^^^^^^
Aug 17 16:16:25.054 INFO kablam! 
Aug 17 16:16:25.054 INFO kablam! warning: unused import: `SocketAddr`
Aug 17 16:16:25.054 INFO kablam!  --> src/main.rs:5:16
Aug 17 16:16:25.054 INFO kablam!   |
Aug 17 16:16:25.054 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 17 16:16:25.054 INFO kablam!   |                ^^^^^^^^^^
Aug 17 16:16:25.054 INFO kablam! 
Aug 17 16:16:25.288 INFO kablam! warning: unused variable: `buf`
Aug 17 16:16:25.289 INFO kablam!   --> src/discovery.rs:86:17
Aug 17 16:16:25.289 INFO kablam!    |
Aug 17 16:16:25.289 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 17 16:16:25.289 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 17 16:16:25.289 INFO kablam!    |
Aug 17 16:16:25.289 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 17 16:16:25.289 INFO kablam! 
Aug 17 16:16:25.312 INFO kablam! warning: variable does not need to be mutable
Aug 17 16:16:25.312 INFO kablam!   --> src/discovery.rs:16:9
Aug 17 16:16:25.312 INFO kablam!    |
Aug 17 16:16:25.312 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 17 16:16:25.312 INFO kablam!    |         ----^^^^^^
Aug 17 16:16:25.312 INFO kablam!    |         |
Aug 17 16:16:25.312 INFO kablam!    |         help: remove this `mut`
Aug 17 16:16:25.312 INFO kablam!    |
Aug 17 16:16:25.312 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 17 16:16:25.312 INFO kablam! 
Aug 17 16:16:25.313 INFO kablam! warning: variable does not need to be mutable
Aug 17 16:16:25.313 INFO kablam!   --> src/discovery.rs:36:9
Aug 17 16:16:25.313 INFO kablam!    |
Aug 17 16:16:25.313 INFO kablam! 36 |     let mut addr = addr_iter
Aug 17 16:16:25.313 INFO kablam!    |         ----^^^^
Aug 17 16:16:25.314 INFO kablam!    |         |
Aug 17 16:16:25.314 INFO kablam!    |         help: remove this `mut`
Aug 17 16:16:25.314 INFO kablam! 
Aug 17 16:16:25.330 INFO kablam! warning: variable does not need to be mutable
Aug 17 16:16:25.330 INFO kablam!   --> src/discovery.rs:86:13
Aug 17 16:16:25.330 INFO kablam!    |
Aug 17 16:16:25.330 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 17 16:16:25.330 INFO kablam!    |             ----^^^
Aug 17 16:16:25.330 INFO kablam!    |             |
Aug 17 16:16:25.330 INFO kablam!    |             help: remove this `mut`
Aug 17 16:16:25.330 INFO kablam! 
Aug 17 16:16:25.335 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 16:16:25.335 INFO kablam!   --> src/discovery.rs:87:9
Aug 17 16:16:25.335 INFO kablam!    |
Aug 17 16:16:25.335 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 17 16:16:25.335 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 16:16:25.335 INFO kablam!    |
Aug 17 16:16:25.335 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 17 16:16:25.335 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 16:16:25.335 INFO kablam! 
Aug 17 16:16:25.336 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 16:16:25.336 INFO kablam!   --> src/discovery.rs:88:9
Aug 17 16:16:25.336 INFO kablam!    |
Aug 17 16:16:25.336 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 17 16:16:25.336 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 16:16:25.336 INFO kablam!    |
Aug 17 16:16:25.336 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 16:16:25.336 INFO kablam! 
Aug 17 16:16:25.452 INFO kablam! warning: unused import: `std::error::Error`
Aug 17 16:16:25.453 INFO kablam!  --> src/discovery.rs:2:5
Aug 17 16:16:25.453 INFO kablam!   |
Aug 17 16:16:25.453 INFO kablam! 2 | use std::error::Error;
Aug 17 16:16:25.453 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 17 16:16:25.453 INFO kablam!   |
Aug 17 16:16:25.454 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 17 16:16:25.454 INFO kablam! 
Aug 17 16:16:25.455 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 17 16:16:25.455 INFO kablam!  --> src/discovery.rs:6:5
Aug 17 16:16:25.455 INFO kablam!   |
Aug 17 16:16:25.455 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 17 16:16:25.455 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 16:16:25.455 INFO kablam! 
Aug 17 16:16:25.456 INFO kablam! warning: unused import: `discovery::*`
Aug 17 16:16:25.456 INFO kablam!  --> src/main.rs:4:5
Aug 17 16:16:25.456 INFO kablam!   |
Aug 17 16:16:25.456 INFO kablam! 4 | use discovery::*;
Aug 17 16:16:25.456 INFO kablam!   |     ^^^^^^^^^^^^
Aug 17 16:16:25.457 INFO kablam! 
Aug 17 16:16:25.457 INFO kablam! warning: unused import: `SocketAddr`
Aug 17 16:16:25.457 INFO kablam!  --> src/main.rs:5:16
Aug 17 16:16:25.458 INFO kablam!   |
Aug 17 16:16:25.458 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 17 16:16:25.458 INFO kablam!   |                ^^^^^^^^^^
Aug 17 16:16:25.458 INFO kablam! 
Aug 17 16:16:25.635 INFO kablam! warning: unused variable: `buf`
Aug 17 16:16:25.635 INFO kablam!   --> src/discovery.rs:86:17
Aug 17 16:16:25.635 INFO kablam!    |
Aug 17 16:16:25.635 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 17 16:16:25.635 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 17 16:16:25.635 INFO kablam!    |
Aug 17 16:16:25.636 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 17 16:16:25.636 INFO kablam! 
Aug 17 16:16:25.661 INFO kablam! warning: variable does not need to be mutable
Aug 17 16:16:25.661 INFO kablam!   --> src/discovery.rs:16:9
Aug 17 16:16:25.661 INFO kablam!    |
Aug 17 16:16:25.661 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 17 16:16:25.661 INFO kablam!    |         ----^^^^^^
Aug 17 16:16:25.661 INFO kablam!    |         |
Aug 17 16:16:25.661 INFO kablam!    |         help: remove this `mut`
Aug 17 16:16:25.661 INFO kablam!    |
Aug 17 16:16:25.661 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 17 16:16:25.661 INFO kablam! 
Aug 17 16:16:25.662 INFO kablam! warning: variable does not need to be mutable
Aug 17 16:16:25.662 INFO kablam!   --> src/discovery.rs:36:9
Aug 17 16:16:25.662 INFO kablam!    |
Aug 17 16:16:25.662 INFO kablam! 36 |     let mut addr = addr_iter
Aug 17 16:16:25.663 INFO kablam!    |         ----^^^^
Aug 17 16:16:25.663 INFO kablam!    |         |
Aug 17 16:16:25.663 INFO kablam!    |         help: remove this `mut`
Aug 17 16:16:25.663 INFO kablam! 
Aug 17 16:16:25.673 INFO kablam! warning: variable does not need to be mutable
Aug 17 16:16:25.673 INFO kablam!   --> src/discovery.rs:86:13
Aug 17 16:16:25.673 INFO kablam!    |
Aug 17 16:16:25.673 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 17 16:16:25.673 INFO kablam!    |             ----^^^
Aug 17 16:16:25.673 INFO kablam!    |             |
Aug 17 16:16:25.673 INFO kablam!    |             help: remove this `mut`
Aug 17 16:16:25.673 INFO kablam! 
Aug 17 16:16:25.678 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 16:16:25.678 INFO kablam!   --> src/discovery.rs:87:9
Aug 17 16:16:25.678 INFO kablam!    |
Aug 17 16:16:25.678 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 17 16:16:25.678 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 16:16:25.678 INFO kablam!    |
Aug 17 16:16:25.678 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 17 16:16:25.678 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 16:16:25.678 INFO kablam! 
Aug 17 16:16:25.678 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 17 16:16:25.678 INFO kablam!   --> src/discovery.rs:88:9
Aug 17 16:16:25.678 INFO kablam!    |
Aug 17 16:16:25.678 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 17 16:16:25.678 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 16:16:25.679 INFO kablam!    |
Aug 17 16:16:25.679 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 17 16:16:25.679 INFO kablam! 
Aug 17 16:16:25.718 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Aug 17 16:16:25.721 INFO kablam! su: No module specific data is present
Aug 17 16:16:26.226 INFO running `"docker" "rm" "-f" "305a50938fffbc19dd9eed16284094676005e6bea16b19cbd47e8b57370f8711"`
Aug 17 16:16:26.398 INFO blam! 305a50938fffbc19dd9eed16284094676005e6bea16b19cbd47e8b57370f8711