Aug 30 09:41:17.255 INFO checking nexrs-0.1.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 09:41:17.255 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 09:41:17.255 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 09:41:17.486 INFO blam! 44ef8ffec45b2c43a59145932aaadb157b0b0eafd51e0ac9e123c21938b3d6ff
Aug 30 09:41:17.488 INFO running `"docker" "start" "-a" "44ef8ffec45b2c43a59145932aaadb157b0b0eafd51e0ac9e123c21938b3d6ff"`
Aug 30 09:41:18.162 INFO kablam!     Checking nexrs v0.1.0 (file:///source)
Aug 30 09:41:18.646 INFO kablam! warning: unused import: `std::error::Error`
Aug 30 09:41:18.647 INFO kablam!  --> src/discovery.rs:2:5
Aug 30 09:41:18.647 INFO kablam!   |
Aug 30 09:41:18.647 INFO kablam! 2 | use std::error::Error;
Aug 30 09:41:18.647 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 30 09:41:18.647 INFO kablam!   |
Aug 30 09:41:18.647 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 09:41:18.647 INFO kablam! 
Aug 30 09:41:18.647 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 30 09:41:18.647 INFO kablam!  --> src/discovery.rs:6:5
Aug 30 09:41:18.647 INFO kablam!   |
Aug 30 09:41:18.647 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 30 09:41:18.647 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 09:41:18.647 INFO kablam! 
Aug 30 09:41:18.648 INFO kablam! warning: unused import: `discovery::*`
Aug 30 09:41:18.648 INFO kablam!  --> src/main.rs:4:5
Aug 30 09:41:18.648 INFO kablam!   |
Aug 30 09:41:18.648 INFO kablam! 4 | use discovery::*;
Aug 30 09:41:18.648 INFO kablam!   |     ^^^^^^^^^^^^
Aug 30 09:41:18.648 INFO kablam! 
Aug 30 09:41:18.648 INFO kablam! warning: unused import: `SocketAddr`
Aug 30 09:41:18.648 INFO kablam!  --> src/main.rs:5:16
Aug 30 09:41:18.648 INFO kablam!   |
Aug 30 09:41:18.648 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 30 09:41:18.648 INFO kablam!   |                ^^^^^^^^^^
Aug 30 09:41:18.648 INFO kablam! 
Aug 30 09:41:18.742 INFO kablam! warning: unused variable: `buf`
Aug 30 09:41:18.742 INFO kablam!   --> src/discovery.rs:86:17
Aug 30 09:41:18.742 INFO kablam!    |
Aug 30 09:41:18.742 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 30 09:41:18.742 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 30 09:41:18.743 INFO kablam!    |
Aug 30 09:41:18.743 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 30 09:41:18.743 INFO kablam! 
Aug 30 09:41:18.753 INFO kablam! warning: variable does not need to be mutable
Aug 30 09:41:18.753 INFO kablam!   --> src/discovery.rs:16:9
Aug 30 09:41:18.753 INFO kablam!    |
Aug 30 09:41:18.753 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 30 09:41:18.753 INFO kablam!    |         ----^^^^^^
Aug 30 09:41:18.753 INFO kablam!    |         |
Aug 30 09:41:18.753 INFO kablam!    |         help: remove this `mut`
Aug 30 09:41:18.753 INFO kablam!    |
Aug 30 09:41:18.753 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 09:41:18.753 INFO kablam! 
Aug 30 09:41:18.754 INFO kablam! warning: variable does not need to be mutable
Aug 30 09:41:18.754 INFO kablam!   --> src/discovery.rs:36:9
Aug 30 09:41:18.754 INFO kablam!    |
Aug 30 09:41:18.754 INFO kablam! 36 |     let mut addr = addr_iter
Aug 30 09:41:18.754 INFO kablam!    |         ----^^^^
Aug 30 09:41:18.754 INFO kablam!    |         |
Aug 30 09:41:18.754 INFO kablam!    |         help: remove this `mut`
Aug 30 09:41:18.754 INFO kablam! 
Aug 30 09:41:18.760 INFO kablam! warning: variable does not need to be mutable
Aug 30 09:41:18.760 INFO kablam!   --> src/discovery.rs:86:13
Aug 30 09:41:18.760 INFO kablam!    |
Aug 30 09:41:18.760 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 30 09:41:18.760 INFO kablam!    |             ----^^^
Aug 30 09:41:18.760 INFO kablam!    |             |
Aug 30 09:41:18.760 INFO kablam!    |             help: remove this `mut`
Aug 30 09:41:18.760 INFO kablam! 
Aug 30 09:41:18.762 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 09:41:18.762 INFO kablam!   --> src/discovery.rs:87:9
Aug 30 09:41:18.762 INFO kablam!    |
Aug 30 09:41:18.762 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 30 09:41:18.762 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 09:41:18.762 INFO kablam!    |
Aug 30 09:41:18.762 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 09:41:18.762 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 09:41:18.762 INFO kablam! 
Aug 30 09:41:18.762 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 09:41:18.762 INFO kablam!   --> src/discovery.rs:88:9
Aug 30 09:41:18.762 INFO kablam!    |
Aug 30 09:41:18.762 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 30 09:41:18.762 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 09:41:18.762 INFO kablam!    |
Aug 30 09:41:18.762 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 09:41:18.763 INFO kablam! 
Aug 30 09:41:18.772 INFO kablam! warning: unused import: `std::error::Error`
Aug 30 09:41:18.772 INFO kablam!  --> src/discovery.rs:2:5
Aug 30 09:41:18.772 INFO kablam!   |
Aug 30 09:41:18.772 INFO kablam! 2 | use std::error::Error;
Aug 30 09:41:18.772 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 30 09:41:18.772 INFO kablam!   |
Aug 30 09:41:18.772 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 09:41:18.772 INFO kablam! 
Aug 30 09:41:18.772 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 30 09:41:18.773 INFO kablam!  --> src/discovery.rs:6:5
Aug 30 09:41:18.773 INFO kablam!   |
Aug 30 09:41:18.773 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 30 09:41:18.773 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 09:41:18.773 INFO kablam! 
Aug 30 09:41:18.773 INFO kablam! warning: unused import: `discovery::*`
Aug 30 09:41:18.773 INFO kablam!  --> src/main.rs:4:5
Aug 30 09:41:18.773 INFO kablam!   |
Aug 30 09:41:18.773 INFO kablam! 4 | use discovery::*;
Aug 30 09:41:18.773 INFO kablam!   |     ^^^^^^^^^^^^
Aug 30 09:41:18.773 INFO kablam! 
Aug 30 09:41:18.773 INFO kablam! warning: unused import: `SocketAddr`
Aug 30 09:41:18.773 INFO kablam!  --> src/main.rs:5:16
Aug 30 09:41:18.773 INFO kablam!   |
Aug 30 09:41:18.773 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 30 09:41:18.773 INFO kablam!   |                ^^^^^^^^^^
Aug 30 09:41:18.773 INFO kablam! 
Aug 30 09:41:18.918 INFO kablam! warning: unused variable: `buf`
Aug 30 09:41:18.918 INFO kablam!   --> src/discovery.rs:86:17
Aug 30 09:41:18.918 INFO kablam!    |
Aug 30 09:41:18.918 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 30 09:41:18.918 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 30 09:41:18.918 INFO kablam!    |
Aug 30 09:41:18.918 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 30 09:41:18.918 INFO kablam! 
Aug 30 09:41:18.930 INFO kablam! warning: variable does not need to be mutable
Aug 30 09:41:18.930 INFO kablam!   --> src/discovery.rs:16:9
Aug 30 09:41:18.930 INFO kablam!    |
Aug 30 09:41:18.930 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 30 09:41:18.930 INFO kablam!    |         ----^^^^^^
Aug 30 09:41:18.930 INFO kablam!    |         |
Aug 30 09:41:18.930 INFO kablam!    |         help: remove this `mut`
Aug 30 09:41:18.930 INFO kablam!    |
Aug 30 09:41:18.930 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 09:41:18.930 INFO kablam! 
Aug 30 09:41:18.930 INFO kablam! warning: variable does not need to be mutable
Aug 30 09:41:18.930 INFO kablam!   --> src/discovery.rs:36:9
Aug 30 09:41:18.930 INFO kablam!    |
Aug 30 09:41:18.931 INFO kablam! 36 |     let mut addr = addr_iter
Aug 30 09:41:18.931 INFO kablam!    |         ----^^^^
Aug 30 09:41:18.931 INFO kablam!    |         |
Aug 30 09:41:18.931 INFO kablam!    |         help: remove this `mut`
Aug 30 09:41:18.931 INFO kablam! 
Aug 30 09:41:18.936 INFO kablam! warning: variable does not need to be mutable
Aug 30 09:41:18.937 INFO kablam!   --> src/discovery.rs:86:13
Aug 30 09:41:18.937 INFO kablam!    |
Aug 30 09:41:18.937 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 30 09:41:18.937 INFO kablam!    |             ----^^^
Aug 30 09:41:18.937 INFO kablam!    |             |
Aug 30 09:41:18.937 INFO kablam!    |             help: remove this `mut`
Aug 30 09:41:18.937 INFO kablam! 
Aug 30 09:41:18.938 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 09:41:18.938 INFO kablam!   --> src/discovery.rs:87:9
Aug 30 09:41:18.938 INFO kablam!    |
Aug 30 09:41:18.938 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 30 09:41:18.938 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 09:41:18.938 INFO kablam!    |
Aug 30 09:41:18.938 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 09:41:18.938 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 09:41:18.938 INFO kablam! 
Aug 30 09:41:18.938 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 09:41:18.938 INFO kablam!   --> src/discovery.rs:88:9
Aug 30 09:41:18.938 INFO kablam!    |
Aug 30 09:41:18.938 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 30 09:41:18.939 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 09:41:18.939 INFO kablam!    |
Aug 30 09:41:18.939 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 09:41:18.939 INFO kablam! 
Aug 30 09:41:18.952 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Aug 30 09:41:18.954 INFO kablam! su: No module specific data is present
Aug 30 09:41:19.392 INFO running `"docker" "rm" "-f" "44ef8ffec45b2c43a59145932aaadb157b0b0eafd51e0ac9e123c21938b3d6ff"`
Aug 30 09:41:19.481 INFO blam! 44ef8ffec45b2c43a59145932aaadb157b0b0eafd51e0ac9e123c21938b3d6ff