Sep 21 06:33:05.440 INFO checking nexrs-0.1.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 06:33:05.440 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 06:33:05.440 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:33:05.619 INFO blam! dbbb24ce8193513709fd31e4d5f606af5b19fa866d99aaa1dc790148e6005427
Sep 21 06:33:05.621 INFO running `"docker" "start" "-a" "dbbb24ce8193513709fd31e4d5f606af5b19fa866d99aaa1dc790148e6005427"`
Sep 21 06:33:06.387 INFO kablam! usermod: no changes
Sep 21 06:33:06.413 INFO kablam!     Checking nexrs v0.1.0 (/source)
Sep 21 06:33:06.614 INFO kablam! warning: unused import: `std::error::Error`
Sep 21 06:33:06.614 INFO kablam!  --> src/discovery.rs:2:5
Sep 21 06:33:06.614 INFO kablam!   |
Sep 21 06:33:06.614 INFO kablam! 2 | use std::error::Error;
Sep 21 06:33:06.614 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 21 06:33:06.614 INFO kablam!   |
Sep 21 06:33:06.614 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 06:33:06.614 INFO kablam! 
Sep 21 06:33:06.614 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 21 06:33:06.614 INFO kablam!  --> src/discovery.rs:6:5
Sep 21 06:33:06.614 INFO kablam!   |
Sep 21 06:33:06.614 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 21 06:33:06.614 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:06.614 INFO kablam! 
Sep 21 06:33:06.614 INFO kablam! warning: unused import: `discovery::*`
Sep 21 06:33:06.614 INFO kablam!  --> src/main.rs:4:5
Sep 21 06:33:06.614 INFO kablam!   |
Sep 21 06:33:06.614 INFO kablam! 4 | use discovery::*;
Sep 21 06:33:06.614 INFO kablam!   |     ^^^^^^^^^^^^
Sep 21 06:33:06.614 INFO kablam! 
Sep 21 06:33:06.614 INFO kablam! warning: unused import: `SocketAddr`
Sep 21 06:33:06.614 INFO kablam!  --> src/main.rs:5:16
Sep 21 06:33:06.614 INFO kablam!   |
Sep 21 06:33:06.614 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 21 06:33:06.614 INFO kablam!   |                ^^^^^^^^^^
Sep 21 06:33:06.614 INFO kablam! 
Sep 21 06:33:06.646 INFO kablam! warning: unused import: `std::error::Error`
Sep 21 06:33:06.646 INFO kablam!  --> src/discovery.rs:2:5
Sep 21 06:33:06.646 INFO kablam!   |
Sep 21 06:33:06.646 INFO kablam! 2 | use std::error::Error;
Sep 21 06:33:06.646 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 21 06:33:06.646 INFO kablam!   |
Sep 21 06:33:06.646 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 06:33:06.646 INFO kablam! 
Sep 21 06:33:06.646 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 21 06:33:06.646 INFO kablam!  --> src/discovery.rs:6:5
Sep 21 06:33:06.646 INFO kablam!   |
Sep 21 06:33:06.646 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 21 06:33:06.646 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:06.646 INFO kablam! 
Sep 21 06:33:06.646 INFO kablam! warning: unused import: `discovery::*`
Sep 21 06:33:06.646 INFO kablam!  --> src/main.rs:4:5
Sep 21 06:33:06.646 INFO kablam!   |
Sep 21 06:33:06.646 INFO kablam! 4 | use discovery::*;
Sep 21 06:33:06.646 INFO kablam!   |     ^^^^^^^^^^^^
Sep 21 06:33:06.646 INFO kablam! 
Sep 21 06:33:06.646 INFO kablam! warning: unused import: `SocketAddr`
Sep 21 06:33:06.646 INFO kablam!  --> src/main.rs:5:16
Sep 21 06:33:06.646 INFO kablam!   |
Sep 21 06:33:06.646 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 21 06:33:06.646 INFO kablam!   |                ^^^^^^^^^^
Sep 21 06:33:06.646 INFO kablam! 
Sep 21 06:33:06.686 INFO kablam! warning: unused variable: `buf`
Sep 21 06:33:06.686 INFO kablam!   --> src/discovery.rs:86:17
Sep 21 06:33:06.686 INFO kablam!    |
Sep 21 06:33:06.686 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 21 06:33:06.686 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 21 06:33:06.686 INFO kablam!    |
Sep 21 06:33:06.686 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 06:33:06.686 INFO kablam! 
Sep 21 06:33:06.689 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:06.689 INFO kablam!   --> src/discovery.rs:16:9
Sep 21 06:33:06.689 INFO kablam!    |
Sep 21 06:33:06.689 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 21 06:33:06.689 INFO kablam!    |         ----^^^^^^
Sep 21 06:33:06.689 INFO kablam!    |         |
Sep 21 06:33:06.689 INFO kablam!    |         help: remove this `mut`
Sep 21 06:33:06.689 INFO kablam!    |
Sep 21 06:33:06.689 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 06:33:06.689 INFO kablam! 
Sep 21 06:33:06.689 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:06.689 INFO kablam!   --> src/discovery.rs:36:9
Sep 21 06:33:06.689 INFO kablam!    |
Sep 21 06:33:06.689 INFO kablam! 36 |     let mut addr = addr_iter
Sep 21 06:33:06.689 INFO kablam!    |         ----^^^^
Sep 21 06:33:06.689 INFO kablam!    |         |
Sep 21 06:33:06.689 INFO kablam!    |         help: remove this `mut`
Sep 21 06:33:06.689 INFO kablam! 
Sep 21 06:33:06.700 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:06.700 INFO kablam!   --> src/discovery.rs:86:13
Sep 21 06:33:06.700 INFO kablam!    |
Sep 21 06:33:06.700 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 21 06:33:06.700 INFO kablam!    |             ----^^^
Sep 21 06:33:06.700 INFO kablam!    |             |
Sep 21 06:33:06.700 INFO kablam!    |             help: remove this `mut`
Sep 21 06:33:06.700 INFO kablam! 
Sep 21 06:33:06.701 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:33:06.701 INFO kablam!   --> src/discovery.rs:87:9
Sep 21 06:33:06.701 INFO kablam!    |
Sep 21 06:33:06.701 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 21 06:33:06.701 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:06.701 INFO kablam!    |
Sep 21 06:33:06.701 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 06:33:06.701 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:33:06.701 INFO kablam! 
Sep 21 06:33:06.701 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:33:06.701 INFO kablam!   --> src/discovery.rs:88:9
Sep 21 06:33:06.701 INFO kablam!    |
Sep 21 06:33:06.701 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 21 06:33:06.701 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:06.701 INFO kablam!    |
Sep 21 06:33:06.701 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:33:06.701 INFO kablam! 
Sep 21 06:33:06.710 INFO kablam! warning: unused variable: `buf`
Sep 21 06:33:06.710 INFO kablam!   --> src/discovery.rs:86:17
Sep 21 06:33:06.710 INFO kablam!    |
Sep 21 06:33:06.710 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 21 06:33:06.710 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 21 06:33:06.710 INFO kablam!    |
Sep 21 06:33:06.710 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 06:33:06.710 INFO kablam! 
Sep 21 06:33:06.732 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:06.732 INFO kablam!   --> src/discovery.rs:16:9
Sep 21 06:33:06.732 INFO kablam!    |
Sep 21 06:33:06.732 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 21 06:33:06.732 INFO kablam!    |         ----^^^^^^
Sep 21 06:33:06.732 INFO kablam!    |         |
Sep 21 06:33:06.732 INFO kablam!    |         help: remove this `mut`
Sep 21 06:33:06.732 INFO kablam!    |
Sep 21 06:33:06.732 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 06:33:06.732 INFO kablam! 
Sep 21 06:33:06.732 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:06.732 INFO kablam!   --> src/discovery.rs:36:9
Sep 21 06:33:06.732 INFO kablam!    |
Sep 21 06:33:06.732 INFO kablam! 36 |     let mut addr = addr_iter
Sep 21 06:33:06.732 INFO kablam!    |         ----^^^^
Sep 21 06:33:06.732 INFO kablam!    |         |
Sep 21 06:33:06.732 INFO kablam!    |         help: remove this `mut`
Sep 21 06:33:06.732 INFO kablam! 
Sep 21 06:33:06.732 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:33:06.732 INFO kablam!   --> src/discovery.rs:86:13
Sep 21 06:33:06.732 INFO kablam!    |
Sep 21 06:33:06.732 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 21 06:33:06.733 INFO kablam!    |             ----^^^
Sep 21 06:33:06.733 INFO kablam!    |             |
Sep 21 06:33:06.733 INFO kablam!    |             help: remove this `mut`
Sep 21 06:33:06.733 INFO kablam! 
Sep 21 06:33:06.733 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:33:06.733 INFO kablam!   --> src/discovery.rs:87:9
Sep 21 06:33:06.733 INFO kablam!    |
Sep 21 06:33:06.733 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 21 06:33:06.733 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:06.733 INFO kablam!    |
Sep 21 06:33:06.733 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 06:33:06.733 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:33:06.733 INFO kablam! 
Sep 21 06:33:06.733 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 06:33:06.733 INFO kablam!   --> src/discovery.rs:88:9
Sep 21 06:33:06.733 INFO kablam!    |
Sep 21 06:33:06.733 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 21 06:33:06.733 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 06:33:06.733 INFO kablam!    |
Sep 21 06:33:06.733 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 06:33:06.733 INFO kablam! 
Sep 21 06:33:06.746 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Sep 21 06:33:06.747 INFO kablam! su: No module specific data is present
Sep 21 06:33:07.370 INFO running `"docker" "rm" "-f" "dbbb24ce8193513709fd31e4d5f606af5b19fa866d99aaa1dc790148e6005427"`
Sep 21 06:33:07.470 INFO blam! dbbb24ce8193513709fd31e4d5f606af5b19fa866d99aaa1dc790148e6005427