Sep 19 21:49:23.755 INFO checking nexrs-0.1.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 21:49:23.755 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 21:49:23.756 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-0/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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=1000" "-e" "CMD=cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 21:49:23.900 INFO blam! 6cda8cfee646d28cb456bdde732c0c0c535c9f81227b03bb09885fb070b4b094
Sep 19 21:49:23.904 INFO running `"docker" "start" "-a" "6cda8cfee646d28cb456bdde732c0c0c535c9f81227b03bb09885fb070b4b094"`
Sep 19 21:49:25.287 INFO kablam! usermod: no changes
Sep 19 21:49:25.318 INFO kablam!     Checking nexrs v0.1.0 (/source)
Sep 19 21:49:25.487 INFO kablam! warning: unused import: `std::error::Error`
Sep 19 21:49:25.487 INFO kablam!  --> src/discovery.rs:2:5
Sep 19 21:49:25.487 INFO kablam!   |
Sep 19 21:49:25.487 INFO kablam! 2 | use std::error::Error;
Sep 19 21:49:25.487 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 19 21:49:25.487 INFO kablam!   |
Sep 19 21:49:25.487 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 21:49:25.487 INFO kablam! 
Sep 19 21:49:25.487 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 19 21:49:25.487 INFO kablam!  --> src/discovery.rs:6:5
Sep 19 21:49:25.487 INFO kablam!   |
Sep 19 21:49:25.487 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 19 21:49:25.487 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 21:49:25.487 INFO kablam! 
Sep 19 21:49:25.487 INFO kablam! warning: unused import: `discovery::*`
Sep 19 21:49:25.487 INFO kablam!  --> src/main.rs:4:5
Sep 19 21:49:25.487 INFO kablam!   |
Sep 19 21:49:25.487 INFO kablam! 4 | use discovery::*;
Sep 19 21:49:25.487 INFO kablam!   |     ^^^^^^^^^^^^
Sep 19 21:49:25.487 INFO kablam! 
Sep 19 21:49:25.487 INFO kablam! warning: unused import: `SocketAddr`
Sep 19 21:49:25.487 INFO kablam!  --> src/main.rs:5:16
Sep 19 21:49:25.487 INFO kablam!   |
Sep 19 21:49:25.487 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 19 21:49:25.487 INFO kablam!   |                ^^^^^^^^^^
Sep 19 21:49:25.487 INFO kablam! 
Sep 19 21:49:25.551 INFO kablam! warning: unused variable: `buf`
Sep 19 21:49:25.551 INFO kablam!   --> src/discovery.rs:86:17
Sep 19 21:49:25.558 INFO kablam!    |
Sep 19 21:49:25.560 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 21:49:25.560 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 19 21:49:25.560 INFO kablam!    |
Sep 19 21:49:25.560 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 21:49:25.560 INFO kablam! 
Sep 19 21:49:25.560 INFO kablam! warning: variable does not need to be mutable
Sep 19 21:49:25.560 INFO kablam!   --> src/discovery.rs:16:9
Sep 19 21:49:25.560 INFO kablam!    |
Sep 19 21:49:25.562 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 19 21:49:25.562 INFO kablam!    |         ----^^^^^^
Sep 19 21:49:25.562 INFO kablam!    |         |
Sep 19 21:49:25.562 INFO kablam!    |         help: remove this `mut`
Sep 19 21:49:25.562 INFO kablam!    |
Sep 19 21:49:25.562 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 21:49:25.562 INFO kablam! 
Sep 19 21:49:25.562 INFO kablam! warning: variable does not need to be mutable
Sep 19 21:49:25.562 INFO kablam!   --> src/discovery.rs:36:9
Sep 19 21:49:25.562 INFO kablam!    |
Sep 19 21:49:25.562 INFO kablam! 36 |     let mut addr = addr_iter
Sep 19 21:49:25.562 INFO kablam!    |         ----^^^^
Sep 19 21:49:25.562 INFO kablam!    |         |
Sep 19 21:49:25.562 INFO kablam!    |         help: remove this `mut`
Sep 19 21:49:25.562 INFO kablam! 
Sep 19 21:49:25.562 INFO kablam! warning: unused import: `std::error::Error`
Sep 19 21:49:25.562 INFO kablam!  --> src/discovery.rs:2:5
Sep 19 21:49:25.562 INFO kablam!   |
Sep 19 21:49:25.562 INFO kablam! 2 | use std::error::Error;
Sep 19 21:49:25.562 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 19 21:49:25.562 INFO kablam!   |
Sep 19 21:49:25.562 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 21:49:25.562 INFO kablam! 
Sep 19 21:49:25.562 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 19 21:49:25.562 INFO kablam!  --> src/discovery.rs:6:5
Sep 19 21:49:25.562 INFO kablam!   |
Sep 19 21:49:25.562 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 19 21:49:25.562 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 21:49:25.562 INFO kablam! 
Sep 19 21:49:25.562 INFO kablam! warning: unused import: `discovery::*`
Sep 19 21:49:25.562 INFO kablam!  --> src/main.rs:4:5
Sep 19 21:49:25.562 INFO kablam!   |
Sep 19 21:49:25.562 INFO kablam! 4 | use discovery::*;
Sep 19 21:49:25.563 INFO kablam!   |     ^^^^^^^^^^^^
Sep 19 21:49:25.563 INFO kablam! 
Sep 19 21:49:25.563 INFO kablam! warning: unused import: `SocketAddr`
Sep 19 21:49:25.563 INFO kablam!  --> src/main.rs:5:16
Sep 19 21:49:25.563 INFO kablam!   |
Sep 19 21:49:25.563 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 19 21:49:25.563 INFO kablam!   |                ^^^^^^^^^^
Sep 19 21:49:25.563 INFO kablam! 
Sep 19 21:49:25.563 INFO kablam! warning: variable does not need to be mutable
Sep 19 21:49:25.563 INFO kablam!   --> src/discovery.rs:86:13
Sep 19 21:49:25.563 INFO kablam!    |
Sep 19 21:49:25.563 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 21:49:25.563 INFO kablam!    |             ----^^^
Sep 19 21:49:25.563 INFO kablam!    |             |
Sep 19 21:49:25.563 INFO kablam!    |             help: remove this `mut`
Sep 19 21:49:25.563 INFO kablam! 
Sep 19 21:49:25.563 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 21:49:25.563 INFO kablam!   --> src/discovery.rs:87:9
Sep 19 21:49:25.563 INFO kablam!    |
Sep 19 21:49:25.563 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 19 21:49:25.563 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 21:49:25.563 INFO kablam!    |
Sep 19 21:49:25.563 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 19 21:49:25.563 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 21:49:25.563 INFO kablam! 
Sep 19 21:49:25.563 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 21:49:25.563 INFO kablam!   --> src/discovery.rs:88:9
Sep 19 21:49:25.563 INFO kablam!    |
Sep 19 21:49:25.563 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 19 21:49:25.563 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 21:49:25.563 INFO kablam!    |
Sep 19 21:49:25.563 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 21:49:25.563 INFO kablam! 
Sep 19 21:49:25.620 INFO kablam! warning: unused variable: `buf`
Sep 19 21:49:25.620 INFO kablam!   --> src/discovery.rs:86:17
Sep 19 21:49:25.620 INFO kablam!    |
Sep 19 21:49:25.620 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 21:49:25.620 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 19 21:49:25.620 INFO kablam!    |
Sep 19 21:49:25.620 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 21:49:25.620 INFO kablam! 
Sep 19 21:49:25.625 INFO kablam! warning: variable does not need to be mutable
Sep 19 21:49:25.625 INFO kablam!   --> src/discovery.rs:16:9
Sep 19 21:49:25.625 INFO kablam!    |
Sep 19 21:49:25.625 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 19 21:49:25.625 INFO kablam!    |         ----^^^^^^
Sep 19 21:49:25.625 INFO kablam!    |         |
Sep 19 21:49:25.625 INFO kablam!    |         help: remove this `mut`
Sep 19 21:49:25.625 INFO kablam!    |
Sep 19 21:49:25.625 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 21:49:25.625 INFO kablam! 
Sep 19 21:49:25.625 INFO kablam! warning: variable does not need to be mutable
Sep 19 21:49:25.625 INFO kablam!   --> src/discovery.rs:36:9
Sep 19 21:49:25.625 INFO kablam!    |
Sep 19 21:49:25.625 INFO kablam! 36 |     let mut addr = addr_iter
Sep 19 21:49:25.625 INFO kablam!    |         ----^^^^
Sep 19 21:49:25.625 INFO kablam!    |         |
Sep 19 21:49:25.625 INFO kablam!    |         help: remove this `mut`
Sep 19 21:49:25.625 INFO kablam! 
Sep 19 21:49:25.630 INFO kablam! warning: variable does not need to be mutable
Sep 19 21:49:25.630 INFO kablam!   --> src/discovery.rs:86:13
Sep 19 21:49:25.630 INFO kablam!    |
Sep 19 21:49:25.630 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 21:49:25.630 INFO kablam!    |             ----^^^
Sep 19 21:49:25.630 INFO kablam!    |             |
Sep 19 21:49:25.630 INFO kablam!    |             help: remove this `mut`
Sep 19 21:49:25.630 INFO kablam! 
Sep 19 21:49:25.630 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 21:49:25.630 INFO kablam!   --> src/discovery.rs:87:9
Sep 19 21:49:25.630 INFO kablam!    |
Sep 19 21:49:25.630 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 19 21:49:25.630 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 21:49:25.630 INFO kablam!    |
Sep 19 21:49:25.630 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 19 21:49:25.630 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 21:49:25.630 INFO kablam! 
Sep 19 21:49:25.631 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 21:49:25.631 INFO kablam!   --> src/discovery.rs:88:9
Sep 19 21:49:25.631 INFO kablam!    |
Sep 19 21:49:25.631 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 19 21:49:25.631 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 21:49:25.631 INFO kablam!    |
Sep 19 21:49:25.631 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 21:49:25.631 INFO kablam! 
Sep 19 21:49:25.641 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Sep 19 21:49:25.643 INFO kablam! su: No module specific data is present
Sep 19 21:49:26.503 INFO running `"docker" "rm" "-f" "6cda8cfee646d28cb456bdde732c0c0c535c9f81227b03bb09885fb070b4b094"`
Sep 19 21:49:26.714 INFO blam! 6cda8cfee646d28cb456bdde732c0c0c535c9f81227b03bb09885fb070b4b094