Aug 30 10:08:09.573 INFO checking nexrs-0.1.0 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 10:08:09.573 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 10:08:09.573 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 10:08:09.764 INFO blam! 7d6cd68c3fc7211e1958d28c246fb2a4e3c33437ea677a95a54b545d94a78e92
Aug 30 10:08:09.766 INFO running `"docker" "start" "-a" "7d6cd68c3fc7211e1958d28c246fb2a4e3c33437ea677a95a54b545d94a78e92"`
Aug 30 10:08:10.409 INFO kablam!     Checking nexrs v0.1.0 (file:///source)
Aug 30 10:08:10.836 INFO kablam! warning: unused import: `std::error::Error`
Aug 30 10:08:10.836 INFO kablam!  --> src/discovery.rs:2:5
Aug 30 10:08:10.836 INFO kablam!   |
Aug 30 10:08:10.836 INFO kablam! 2 | use std::error::Error;
Aug 30 10:08:10.836 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 30 10:08:10.836 INFO kablam!   |
Aug 30 10:08:10.836 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 10:08:10.836 INFO kablam! 
Aug 30 10:08:10.837 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 30 10:08:10.837 INFO kablam!  --> src/discovery.rs:6:5
Aug 30 10:08:10.837 INFO kablam!   |
Aug 30 10:08:10.837 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 30 10:08:10.837 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 10:08:10.837 INFO kablam! 
Aug 30 10:08:10.837 INFO kablam! warning: unused import: `discovery::*`
Aug 30 10:08:10.837 INFO kablam!  --> src/main.rs:4:5
Aug 30 10:08:10.838 INFO kablam!   |
Aug 30 10:08:10.838 INFO kablam! 4 | use discovery::*;
Aug 30 10:08:10.838 INFO kablam!   |     ^^^^^^^^^^^^
Aug 30 10:08:10.838 INFO kablam! 
Aug 30 10:08:10.838 INFO kablam! warning: unused import: `SocketAddr`
Aug 30 10:08:10.838 INFO kablam!  --> src/main.rs:5:16
Aug 30 10:08:10.838 INFO kablam!   |
Aug 30 10:08:10.838 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 30 10:08:10.838 INFO kablam!   |                ^^^^^^^^^^
Aug 30 10:08:10.838 INFO kablam! 
Aug 30 10:08:10.927 INFO kablam! warning: unused variable: `buf`
Aug 30 10:08:10.927 INFO kablam!   --> src/discovery.rs:86:17
Aug 30 10:08:10.928 INFO kablam!    |
Aug 30 10:08:10.928 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 30 10:08:10.928 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 30 10:08:10.928 INFO kablam!    |
Aug 30 10:08:10.928 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 30 10:08:10.928 INFO kablam! 
Aug 30 10:08:10.943 INFO kablam! warning: variable does not need to be mutable
Aug 30 10:08:10.943 INFO kablam!   --> src/discovery.rs:16:9
Aug 30 10:08:10.943 INFO kablam!    |
Aug 30 10:08:10.943 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 30 10:08:10.943 INFO kablam!    |         ----^^^^^^
Aug 30 10:08:10.943 INFO kablam!    |         |
Aug 30 10:08:10.943 INFO kablam!    |         help: remove this `mut`
Aug 30 10:08:10.943 INFO kablam!    |
Aug 30 10:08:10.943 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 10:08:10.943 INFO kablam! 
Aug 30 10:08:10.944 INFO kablam! warning: variable does not need to be mutable
Aug 30 10:08:10.944 INFO kablam!   --> src/discovery.rs:36:9
Aug 30 10:08:10.944 INFO kablam!    |
Aug 30 10:08:10.944 INFO kablam! 36 |     let mut addr = addr_iter
Aug 30 10:08:10.944 INFO kablam!    |         ----^^^^
Aug 30 10:08:10.944 INFO kablam!    |         |
Aug 30 10:08:10.944 INFO kablam!    |         help: remove this `mut`
Aug 30 10:08:10.944 INFO kablam! 
Aug 30 10:08:10.952 INFO kablam! warning: variable does not need to be mutable
Aug 30 10:08:10.952 INFO kablam!   --> src/discovery.rs:86:13
Aug 30 10:08:10.952 INFO kablam!    |
Aug 30 10:08:10.952 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 30 10:08:10.953 INFO kablam!    |             ----^^^
Aug 30 10:08:10.953 INFO kablam!    |             |
Aug 30 10:08:10.953 INFO kablam!    |             help: remove this `mut`
Aug 30 10:08:10.953 INFO kablam! 
Aug 30 10:08:10.954 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 10:08:10.954 INFO kablam!   --> src/discovery.rs:87:9
Aug 30 10:08:10.954 INFO kablam!    |
Aug 30 10:08:10.954 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 30 10:08:10.954 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 10:08:10.954 INFO kablam!    |
Aug 30 10:08:10.954 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 10:08:10.954 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 10:08:10.954 INFO kablam! 
Aug 30 10:08:10.955 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 10:08:10.955 INFO kablam!   --> src/discovery.rs:88:9
Aug 30 10:08:10.955 INFO kablam!    |
Aug 30 10:08:10.955 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 30 10:08:10.955 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 10:08:10.955 INFO kablam!    |
Aug 30 10:08:10.955 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 10:08:10.955 INFO kablam! 
Aug 30 10:08:11.011 INFO kablam! warning: unused import: `std::error::Error`
Aug 30 10:08:11.011 INFO kablam!  --> src/discovery.rs:2:5
Aug 30 10:08:11.011 INFO kablam!   |
Aug 30 10:08:11.011 INFO kablam! 2 | use std::error::Error;
Aug 30 10:08:11.011 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 30 10:08:11.011 INFO kablam!   |
Aug 30 10:08:11.011 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 10:08:11.011 INFO kablam! 
Aug 30 10:08:11.011 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 30 10:08:11.011 INFO kablam!  --> src/discovery.rs:6:5
Aug 30 10:08:11.011 INFO kablam!   |
Aug 30 10:08:11.011 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 30 10:08:11.011 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 10:08:11.011 INFO kablam! 
Aug 30 10:08:11.012 INFO kablam! warning: unused import: `discovery::*`
Aug 30 10:08:11.012 INFO kablam!  --> src/main.rs:4:5
Aug 30 10:08:11.012 INFO kablam!   |
Aug 30 10:08:11.012 INFO kablam! 4 | use discovery::*;
Aug 30 10:08:11.012 INFO kablam!   |     ^^^^^^^^^^^^
Aug 30 10:08:11.012 INFO kablam! 
Aug 30 10:08:11.012 INFO kablam! warning: unused import: `SocketAddr`
Aug 30 10:08:11.012 INFO kablam!  --> src/main.rs:5:16
Aug 30 10:08:11.012 INFO kablam!   |
Aug 30 10:08:11.012 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 30 10:08:11.012 INFO kablam!   |                ^^^^^^^^^^
Aug 30 10:08:11.012 INFO kablam! 
Aug 30 10:08:11.123 INFO kablam! warning: unused variable: `buf`
Aug 30 10:08:11.124 INFO kablam!   --> src/discovery.rs:86:17
Aug 30 10:08:11.124 INFO kablam!    |
Aug 30 10:08:11.124 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 30 10:08:11.124 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 30 10:08:11.124 INFO kablam!    |
Aug 30 10:08:11.124 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 30 10:08:11.124 INFO kablam! 
Aug 30 10:08:11.133 INFO kablam! warning: variable does not need to be mutable
Aug 30 10:08:11.133 INFO kablam!   --> src/discovery.rs:16:9
Aug 30 10:08:11.134 INFO kablam!    |
Aug 30 10:08:11.134 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 30 10:08:11.134 INFO kablam!    |         ----^^^^^^
Aug 30 10:08:11.134 INFO kablam!    |         |
Aug 30 10:08:11.134 INFO kablam!    |         help: remove this `mut`
Aug 30 10:08:11.134 INFO kablam!    |
Aug 30 10:08:11.134 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 10:08:11.134 INFO kablam! 
Aug 30 10:08:11.134 INFO kablam! warning: variable does not need to be mutable
Aug 30 10:08:11.134 INFO kablam!   --> src/discovery.rs:36:9
Aug 30 10:08:11.134 INFO kablam!    |
Aug 30 10:08:11.134 INFO kablam! 36 |     let mut addr = addr_iter
Aug 30 10:08:11.134 INFO kablam!    |         ----^^^^
Aug 30 10:08:11.134 INFO kablam!    |         |
Aug 30 10:08:11.134 INFO kablam!    |         help: remove this `mut`
Aug 30 10:08:11.134 INFO kablam! 
Aug 30 10:08:11.139 INFO kablam! warning: variable does not need to be mutable
Aug 30 10:08:11.139 INFO kablam!   --> src/discovery.rs:86:13
Aug 30 10:08:11.140 INFO kablam!    |
Aug 30 10:08:11.140 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 30 10:08:11.140 INFO kablam!    |             ----^^^
Aug 30 10:08:11.140 INFO kablam!    |             |
Aug 30 10:08:11.140 INFO kablam!    |             help: remove this `mut`
Aug 30 10:08:11.140 INFO kablam! 
Aug 30 10:08:11.141 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 10:08:11.141 INFO kablam!   --> src/discovery.rs:87:9
Aug 30 10:08:11.141 INFO kablam!    |
Aug 30 10:08:11.141 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 30 10:08:11.141 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 10:08:11.141 INFO kablam!    |
Aug 30 10:08:11.141 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 10:08:11.141 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 10:08:11.141 INFO kablam! 
Aug 30 10:08:11.141 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 10:08:11.141 INFO kablam!   --> src/discovery.rs:88:9
Aug 30 10:08:11.141 INFO kablam!    |
Aug 30 10:08:11.141 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 30 10:08:11.141 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 10:08:11.142 INFO kablam!    |
Aug 30 10:08:11.142 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 10:08:11.142 INFO kablam! 
Aug 30 10:08:11.156 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Aug 30 10:08:11.158 INFO kablam! su: No module specific data is present
Aug 30 10:08:11.679 INFO running `"docker" "rm" "-f" "7d6cd68c3fc7211e1958d28c246fb2a4e3c33437ea677a95a54b545d94a78e92"`
Aug 30 10:08:11.811 INFO blam! 7d6cd68c3fc7211e1958d28c246fb2a4e3c33437ea677a95a54b545d94a78e92