Jul 12 03:30:06.694 INFO checking nexrs-0.1.0 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 03:30:06.694 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 03:30:06.694 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 03:30:06.694 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-4/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 03:30:06.947 INFO blam! 42a4b28e046509a4952470a3be552998bf10010587c1f513f8c268afda9a9dc6
Jul 12 03:30:06.950 INFO running `"docker" "start" "-a" "42a4b28e046509a4952470a3be552998bf10010587c1f513f8c268afda9a9dc6"`
Jul 12 03:30:08.143 INFO kablam!     Checking nexrs v0.1.0 (file:///source)
Jul 12 03:30:08.509 INFO kablam! warning: unused import: `std::error::Error`
Jul 12 03:30:08.509 INFO kablam!  --> src/discovery.rs:2:5
Jul 12 03:30:08.509 INFO kablam!   |
Jul 12 03:30:08.509 INFO kablam! 2 | use std::error::Error;
Jul 12 03:30:08.509 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Jul 12 03:30:08.509 INFO kablam!   |
Jul 12 03:30:08.509 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 03:30:08.510 INFO kablam! 
Jul 12 03:30:08.510 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Jul 12 03:30:08.510 INFO kablam!  --> src/discovery.rs:6:5
Jul 12 03:30:08.510 INFO kablam!   |
Jul 12 03:30:08.510 INFO kablam! 6 | use std::io::Result as IoResult;
Jul 12 03:30:08.510 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 03:30:08.510 INFO kablam! 
Jul 12 03:30:08.511 INFO kablam! warning: unused import: `discovery::*`
Jul 12 03:30:08.511 INFO kablam!  --> src/main.rs:4:5
Jul 12 03:30:08.511 INFO kablam!   |
Jul 12 03:30:08.511 INFO kablam! 4 | use discovery::*;
Jul 12 03:30:08.511 INFO kablam!   |     ^^^^^^^^^^^^
Jul 12 03:30:08.511 INFO kablam! 
Jul 12 03:30:08.512 INFO kablam! warning: unused import: `SocketAddr`
Jul 12 03:30:08.512 INFO kablam!  --> src/main.rs:5:16
Jul 12 03:30:08.512 INFO kablam!   |
Jul 12 03:30:08.512 INFO kablam! 5 | use std::net::{SocketAddr};
Jul 12 03:30:08.512 INFO kablam!   |                ^^^^^^^^^^
Jul 12 03:30:08.512 INFO kablam! 
Jul 12 03:30:08.603 INFO kablam! warning: unused import: `std::error::Error`
Jul 12 03:30:08.603 INFO kablam!  --> src/discovery.rs:2:5
Jul 12 03:30:08.603 INFO kablam!   |
Jul 12 03:30:08.603 INFO kablam! 2 | use std::error::Error;
Jul 12 03:30:08.603 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Jul 12 03:30:08.603 INFO kablam!   |
Jul 12 03:30:08.603 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 03:30:08.603 INFO kablam! 
Jul 12 03:30:08.604 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Jul 12 03:30:08.604 INFO kablam!  --> src/discovery.rs:6:5
Jul 12 03:30:08.604 INFO kablam!   |
Jul 12 03:30:08.604 INFO kablam! 6 | use std::io::Result as IoResult;
Jul 12 03:30:08.604 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 03:30:08.604 INFO kablam! 
Jul 12 03:30:08.604 INFO kablam! warning: unused import: `discovery::*`
Jul 12 03:30:08.604 INFO kablam!  --> src/main.rs:4:5
Jul 12 03:30:08.604 INFO kablam!   |
Jul 12 03:30:08.604 INFO kablam! 4 | use discovery::*;
Jul 12 03:30:08.604 INFO kablam!   |     ^^^^^^^^^^^^
Jul 12 03:30:08.604 INFO kablam! 
Jul 12 03:30:08.604 INFO kablam! warning: unused import: `SocketAddr`
Jul 12 03:30:08.605 INFO kablam!  --> src/main.rs:5:16
Jul 12 03:30:08.605 INFO kablam!   |
Jul 12 03:30:08.605 INFO kablam! 5 | use std::net::{SocketAddr};
Jul 12 03:30:08.605 INFO kablam!   |                ^^^^^^^^^^
Jul 12 03:30:08.605 INFO kablam! 
Jul 12 03:30:08.684 INFO kablam! warning: unused variable: `buf`
Jul 12 03:30:08.684 INFO kablam!   --> src/discovery.rs:86:17
Jul 12 03:30:08.684 INFO kablam!    |
Jul 12 03:30:08.684 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Jul 12 03:30:08.684 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Jul 12 03:30:08.684 INFO kablam!    |
Jul 12 03:30:08.684 INFO kablam!    = note: #[warn(unused_variables)] on by default
Jul 12 03:30:08.684 INFO kablam! 
Jul 12 03:30:08.726 INFO kablam! warning: variable does not need to be mutable
Jul 12 03:30:08.726 INFO kablam!   --> src/discovery.rs:16:9
Jul 12 03:30:08.726 INFO kablam!    |
Jul 12 03:30:08.726 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Jul 12 03:30:08.726 INFO kablam!    |         ----^^^^^^
Jul 12 03:30:08.726 INFO kablam!    |         |
Jul 12 03:30:08.726 INFO kablam!    |         help: remove this `mut`
Jul 12 03:30:08.726 INFO kablam!    |
Jul 12 03:30:08.727 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 03:30:08.727 INFO kablam! 
Jul 12 03:30:08.728 INFO kablam! warning: variable does not need to be mutable
Jul 12 03:30:08.728 INFO kablam!   --> src/discovery.rs:36:9
Jul 12 03:30:08.728 INFO kablam!    |
Jul 12 03:30:08.728 INFO kablam! 36 |     let mut addr = addr_iter
Jul 12 03:30:08.728 INFO kablam!    |         ----^^^^
Jul 12 03:30:08.728 INFO kablam!    |         |
Jul 12 03:30:08.728 INFO kablam!    |         help: remove this `mut`
Jul 12 03:30:08.728 INFO kablam! 
Jul 12 03:30:08.739 INFO kablam! warning: variable does not need to be mutable
Jul 12 03:30:08.739 INFO kablam!   --> src/discovery.rs:86:13
Jul 12 03:30:08.739 INFO kablam!    |
Jul 12 03:30:08.739 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Jul 12 03:30:08.739 INFO kablam!    |             ----^^^
Jul 12 03:30:08.739 INFO kablam!    |             |
Jul 12 03:30:08.739 INFO kablam!    |             help: remove this `mut`
Jul 12 03:30:08.740 INFO kablam! 
Jul 12 03:30:08.742 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 03:30:08.742 INFO kablam!   --> src/discovery.rs:87:9
Jul 12 03:30:08.742 INFO kablam!    |
Jul 12 03:30:08.742 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Jul 12 03:30:08.742 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 03:30:08.742 INFO kablam!    |
Jul 12 03:30:08.742 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 03:30:08.742 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 03:30:08.742 INFO kablam! 
Jul 12 03:30:08.743 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 03:30:08.743 INFO kablam!   --> src/discovery.rs:88:9
Jul 12 03:30:08.743 INFO kablam!    |
Jul 12 03:30:08.743 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Jul 12 03:30:08.743 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 03:30:08.743 INFO kablam!    |
Jul 12 03:30:08.743 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 03:30:08.743 INFO kablam! 
Jul 12 03:30:08.769 INFO kablam! warning: unused variable: `buf`
Jul 12 03:30:08.770 INFO kablam!   --> src/discovery.rs:86:17
Jul 12 03:30:08.770 INFO kablam!    |
Jul 12 03:30:08.770 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Jul 12 03:30:08.770 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Jul 12 03:30:08.770 INFO kablam!    |
Jul 12 03:30:08.770 INFO kablam!    = note: #[warn(unused_variables)] on by default
Jul 12 03:30:08.770 INFO kablam! 
Jul 12 03:30:08.787 INFO kablam! warning: variable does not need to be mutable
Jul 12 03:30:08.787 INFO kablam!   --> src/discovery.rs:16:9
Jul 12 03:30:08.787 INFO kablam!    |
Jul 12 03:30:08.787 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Jul 12 03:30:08.787 INFO kablam!    |         ----^^^^^^
Jul 12 03:30:08.787 INFO kablam!    |         |
Jul 12 03:30:08.787 INFO kablam!    |         help: remove this `mut`
Jul 12 03:30:08.787 INFO kablam!    |
Jul 12 03:30:08.787 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 03:30:08.787 INFO kablam! 
Jul 12 03:30:08.788 INFO kablam! warning: variable does not need to be mutable
Jul 12 03:30:08.788 INFO kablam!   --> src/discovery.rs:36:9
Jul 12 03:30:08.788 INFO kablam!    |
Jul 12 03:30:08.788 INFO kablam! 36 |     let mut addr = addr_iter
Jul 12 03:30:08.788 INFO kablam!    |         ----^^^^
Jul 12 03:30:08.788 INFO kablam!    |         |
Jul 12 03:30:08.788 INFO kablam!    |         help: remove this `mut`
Jul 12 03:30:08.788 INFO kablam! 
Jul 12 03:30:08.796 INFO kablam! warning: variable does not need to be mutable
Jul 12 03:30:08.796 INFO kablam!   --> src/discovery.rs:86:13
Jul 12 03:30:08.796 INFO kablam!    |
Jul 12 03:30:08.796 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Jul 12 03:30:08.796 INFO kablam!    |             ----^^^
Jul 12 03:30:08.796 INFO kablam!    |             |
Jul 12 03:30:08.796 INFO kablam!    |             help: remove this `mut`
Jul 12 03:30:08.796 INFO kablam! 
Jul 12 03:30:08.797 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 03:30:08.797 INFO kablam!   --> src/discovery.rs:87:9
Jul 12 03:30:08.797 INFO kablam!    |
Jul 12 03:30:08.797 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Jul 12 03:30:08.797 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 03:30:08.797 INFO kablam!    |
Jul 12 03:30:08.797 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 03:30:08.797 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 03:30:08.797 INFO kablam! 
Jul 12 03:30:08.798 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 03:30:08.798 INFO kablam!   --> src/discovery.rs:88:9
Jul 12 03:30:08.798 INFO kablam!    |
Jul 12 03:30:08.798 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Jul 12 03:30:08.798 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 03:30:08.798 INFO kablam!    |
Jul 12 03:30:08.798 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 03:30:08.798 INFO kablam! 
Jul 12 03:30:08.823 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Jul 12 03:30:08.829 INFO kablam! su: No module specific data is present
Jul 12 03:30:09.286 INFO running `"docker" "rm" "-f" "42a4b28e046509a4952470a3be552998bf10010587c1f513f8c268afda9a9dc6"`
Jul 12 03:30:09.411 INFO blam! 42a4b28e046509a4952470a3be552998bf10010587c1f513f8c268afda9a9dc6