Sep 21 06:33:06.204 INFO checking nexrs-0.1.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 06:33:06.204 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 06:33:06.204 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:33:06.359 INFO blam! ee2b43d6751279d0f12d28ee055194d700d58fe7052559cbb1e44ac14a3f848f
Sep 21 06:33:06.360 INFO running `"docker" "start" "-a" "ee2b43d6751279d0f12d28ee055194d700d58fe7052559cbb1e44ac14a3f848f"`
Sep 21 06:33:07.326 INFO kablam! usermod: no changes
Sep 21 06:33:07.348 INFO kablam!     Checking nexrs v0.1.0 (/source)
Sep 21 06:33:07.550 INFO kablam! warning: unused import: `std::error::Error`
Sep 21 06:33:07.550 INFO kablam!  --> src/discovery.rs:2:5
Sep 21 06:33:07.550 INFO kablam!   |
Sep 21 06:33:07.550 INFO kablam! 2 | use std::error::Error;
Sep 21 06:33:07.550 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 21 06:33:07.550 INFO kablam!   |
Sep 21 06:33:07.550 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 06:33:07.550 INFO kablam! 
Sep 21 06:33:07.550 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 21 06:33:07.550 INFO kablam!  --> src/discovery.rs:6:5
Sep 21 06:33:07.550 INFO kablam!   |
Sep 21 06:33:07.550 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 21 06:33:07.550 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:07.550 INFO kablam! 
Sep 21 06:33:07.551 INFO kablam! warning: unused import: `discovery::*`
Sep 21 06:33:07.551 INFO kablam!  --> src/main.rs:4:5
Sep 21 06:33:07.551 INFO kablam!   |
Sep 21 06:33:07.551 INFO kablam! 4 | use discovery::*;
Sep 21 06:33:07.551 INFO kablam!   |     ^^^^^^^^^^^^
Sep 21 06:33:07.551 INFO kablam! 
Sep 21 06:33:07.551 INFO kablam! warning: unused import: `SocketAddr`
Sep 21 06:33:07.551 INFO kablam!  --> src/main.rs:5:16
Sep 21 06:33:07.551 INFO kablam!   |
Sep 21 06:33:07.551 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 21 06:33:07.551 INFO kablam!   |                ^^^^^^^^^^
Sep 21 06:33:07.551 INFO kablam! 
Sep 21 06:33:07.569 INFO kablam! warning: unused import: `std::error::Error`
Sep 21 06:33:07.569 INFO kablam!  --> src/discovery.rs:2:5
Sep 21 06:33:07.569 INFO kablam!   |
Sep 21 06:33:07.569 INFO kablam! 2 | use std::error::Error;
Sep 21 06:33:07.569 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 21 06:33:07.569 INFO kablam!   |
Sep 21 06:33:07.569 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 06:33:07.569 INFO kablam! 
Sep 21 06:33:07.569 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 21 06:33:07.569 INFO kablam!  --> src/discovery.rs:6:5
Sep 21 06:33:07.569 INFO kablam!   |
Sep 21 06:33:07.569 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 21 06:33:07.569 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:07.569 INFO kablam! 
Sep 21 06:33:07.569 INFO kablam! warning: unused import: `discovery::*`
Sep 21 06:33:07.569 INFO kablam!  --> src/main.rs:4:5
Sep 21 06:33:07.569 INFO kablam!   |
Sep 21 06:33:07.569 INFO kablam! 4 | use discovery::*;
Sep 21 06:33:07.569 INFO kablam!   |     ^^^^^^^^^^^^
Sep 21 06:33:07.569 INFO kablam! 
Sep 21 06:33:07.569 INFO kablam! warning: unused import: `SocketAddr`
Sep 21 06:33:07.569 INFO kablam!  --> src/main.rs:5:16
Sep 21 06:33:07.569 INFO kablam!   |
Sep 21 06:33:07.569 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 21 06:33:07.569 INFO kablam!   |                ^^^^^^^^^^
Sep 21 06:33:07.569 INFO kablam! 
Sep 21 06:33:07.617 INFO kablam! warning: unused variable: `buf`
Sep 21 06:33:07.617 INFO kablam!   --> src/discovery.rs:86:17
Sep 21 06:33:07.617 INFO kablam!    |
Sep 21 06:33:07.617 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 21 06:33:07.617 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 21 06:33:07.617 INFO kablam!    |
Sep 21 06:33:07.617 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 06:33:07.617 INFO kablam! 
Sep 21 06:33:07.622 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:07.622 INFO kablam!   --> src/discovery.rs:16:9
Sep 21 06:33:07.622 INFO kablam!    |
Sep 21 06:33:07.622 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 21 06:33:07.622 INFO kablam!    |         ----^^^^^^
Sep 21 06:33:07.622 INFO kablam!    |         |
Sep 21 06:33:07.622 INFO kablam!    |         help: remove this `mut`
Sep 21 06:33:07.622 INFO kablam!    |
Sep 21 06:33:07.622 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 06:33:07.622 INFO kablam! 
Sep 21 06:33:07.622 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:07.622 INFO kablam!   --> src/discovery.rs:36:9
Sep 21 06:33:07.622 INFO kablam!    |
Sep 21 06:33:07.622 INFO kablam! 36 |     let mut addr = addr_iter
Sep 21 06:33:07.622 INFO kablam!    |         ----^^^^
Sep 21 06:33:07.622 INFO kablam!    |         |
Sep 21 06:33:07.622 INFO kablam!    |         help: remove this `mut`
Sep 21 06:33:07.622 INFO kablam! 
Sep 21 06:33:07.624 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:07.624 INFO kablam!   --> src/discovery.rs:86:13
Sep 21 06:33:07.624 INFO kablam!    |
Sep 21 06:33:07.624 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 21 06:33:07.624 INFO kablam!    |             ----^^^
Sep 21 06:33:07.624 INFO kablam!    |             |
Sep 21 06:33:07.624 INFO kablam!    |             help: remove this `mut`
Sep 21 06:33:07.624 INFO kablam! 
Sep 21 06:33:07.625 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:33:07.625 INFO kablam!   --> src/discovery.rs:87:9
Sep 21 06:33:07.625 INFO kablam!    |
Sep 21 06:33:07.625 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 21 06:33:07.625 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:07.625 INFO kablam!    |
Sep 21 06:33:07.625 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 06:33:07.625 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:33:07.625 INFO kablam! 
Sep 21 06:33:07.627 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:33:07.627 INFO kablam!   --> src/discovery.rs:88:9
Sep 21 06:33:07.627 INFO kablam!    |
Sep 21 06:33:07.627 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 21 06:33:07.627 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:07.627 INFO kablam!    |
Sep 21 06:33:07.627 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:33:07.627 INFO kablam! 
Sep 21 06:33:07.634 INFO kablam! warning: unused variable: `buf`
Sep 21 06:33:07.634 INFO kablam!   --> src/discovery.rs:86:17
Sep 21 06:33:07.634 INFO kablam!    |
Sep 21 06:33:07.634 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 21 06:33:07.634 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 21 06:33:07.634 INFO kablam!    |
Sep 21 06:33:07.634 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 06:33:07.634 INFO kablam! 
Sep 21 06:33:07.638 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:07.638 INFO kablam!   --> src/discovery.rs:16:9
Sep 21 06:33:07.638 INFO kablam!    |
Sep 21 06:33:07.638 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 21 06:33:07.638 INFO kablam!    |         ----^^^^^^
Sep 21 06:33:07.638 INFO kablam!    |         |
Sep 21 06:33:07.638 INFO kablam!    |         help: remove this `mut`
Sep 21 06:33:07.638 INFO kablam!    |
Sep 21 06:33:07.638 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 06:33:07.638 INFO kablam! 
Sep 21 06:33:07.638 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:07.638 INFO kablam!   --> src/discovery.rs:36:9
Sep 21 06:33:07.638 INFO kablam!    |
Sep 21 06:33:07.638 INFO kablam! 36 |     let mut addr = addr_iter
Sep 21 06:33:07.638 INFO kablam!    |         ----^^^^
Sep 21 06:33:07.638 INFO kablam!    |         |
Sep 21 06:33:07.638 INFO kablam!    |         help: remove this `mut`
Sep 21 06:33:07.638 INFO kablam! 
Sep 21 06:33:07.639 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:07.639 INFO kablam!   --> src/discovery.rs:86:13
Sep 21 06:33:07.639 INFO kablam!    |
Sep 21 06:33:07.639 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 21 06:33:07.639 INFO kablam!    |             ----^^^
Sep 21 06:33:07.639 INFO kablam!    |             |
Sep 21 06:33:07.639 INFO kablam!    |             help: remove this `mut`
Sep 21 06:33:07.639 INFO kablam! 
Sep 21 06:33:07.640 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:33:07.640 INFO kablam!   --> src/discovery.rs:87:9
Sep 21 06:33:07.640 INFO kablam!    |
Sep 21 06:33:07.640 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 21 06:33:07.640 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:07.640 INFO kablam!    |
Sep 21 06:33:07.640 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 06:33:07.640 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:33:07.640 INFO kablam! 
Sep 21 06:33:07.640 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:33:07.640 INFO kablam!   --> src/discovery.rs:88:9
Sep 21 06:33:07.640 INFO kablam!    |
Sep 21 06:33:07.640 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 21 06:33:07.640 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:07.640 INFO kablam!    |
Sep 21 06:33:07.640 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:33:07.640 INFO kablam! 
Sep 21 06:33:07.650 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Sep 21 06:33:07.652 INFO kablam! su: No module specific data is present
Sep 21 06:33:08.192 INFO running `"docker" "rm" "-f" "ee2b43d6751279d0f12d28ee055194d700d58fe7052559cbb1e44ac14a3f848f"`
Sep 21 06:33:08.299 INFO blam! ee2b43d6751279d0f12d28ee055194d700d58fe7052559cbb1e44ac14a3f848f