Sep 19 23:41:39.168 INFO checking nexrs-0.1.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 23:41:39.168 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 23:41:39.168 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-3/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:41:39.321 INFO blam! fd41b02e6fe181428881bdb2e4d816ba1358cf70b08d491f802ce15e1a4fc6c5
Sep 19 23:41:39.323 INFO running `"docker" "start" "-a" "fd41b02e6fe181428881bdb2e4d816ba1358cf70b08d491f802ce15e1a4fc6c5"`
Sep 19 23:41:40.071 INFO kablam! usermod: no changes
Sep 19 23:41:40.096 INFO kablam!     Checking nexrs v0.1.0 (/source)
Sep 19 23:41:40.324 INFO kablam! warning: unused import: `std::error::Error`
Sep 19 23:41:40.324 INFO kablam!  --> src/discovery.rs:2:5
Sep 19 23:41:40.324 INFO kablam!   |
Sep 19 23:41:40.324 INFO kablam! 2 | use std::error::Error;
Sep 19 23:41:40.324 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.324 INFO kablam!   |
Sep 19 23:41:40.324 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 23:41:40.324 INFO kablam! 
Sep 19 23:41:40.324 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 19 23:41:40.324 INFO kablam!  --> src/discovery.rs:6:5
Sep 19 23:41:40.324 INFO kablam!   |
Sep 19 23:41:40.324 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 19 23:41:40.324 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.324 INFO kablam! 
Sep 19 23:41:40.324 INFO kablam! warning: unused import: `discovery::*`
Sep 19 23:41:40.324 INFO kablam!  --> src/main.rs:4:5
Sep 19 23:41:40.324 INFO kablam!   |
Sep 19 23:41:40.324 INFO kablam! 4 | use discovery::*;
Sep 19 23:41:40.324 INFO kablam!   |     ^^^^^^^^^^^^
Sep 19 23:41:40.324 INFO kablam! 
Sep 19 23:41:40.325 INFO kablam! warning: unused import: `SocketAddr`
Sep 19 23:41:40.325 INFO kablam!  --> src/main.rs:5:16
Sep 19 23:41:40.325 INFO kablam!   |
Sep 19 23:41:40.325 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 19 23:41:40.325 INFO kablam!   |                ^^^^^^^^^^
Sep 19 23:41:40.325 INFO kablam! 
Sep 19 23:41:40.338 INFO kablam! warning: unused import: `std::error::Error`
Sep 19 23:41:40.338 INFO kablam!  --> src/discovery.rs:2:5
Sep 19 23:41:40.338 INFO kablam!   |
Sep 19 23:41:40.338 INFO kablam! 2 | use std::error::Error;
Sep 19 23:41:40.338 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.338 INFO kablam!   |
Sep 19 23:41:40.338 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 23:41:40.338 INFO kablam! 
Sep 19 23:41:40.338 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 19 23:41:40.338 INFO kablam!  --> src/discovery.rs:6:5
Sep 19 23:41:40.338 INFO kablam!   |
Sep 19 23:41:40.338 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 19 23:41:40.338 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.338 INFO kablam! 
Sep 19 23:41:40.338 INFO kablam! warning: unused import: `discovery::*`
Sep 19 23:41:40.338 INFO kablam!  --> src/main.rs:4:5
Sep 19 23:41:40.338 INFO kablam!   |
Sep 19 23:41:40.338 INFO kablam! 4 | use discovery::*;
Sep 19 23:41:40.338 INFO kablam!   |     ^^^^^^^^^^^^
Sep 19 23:41:40.338 INFO kablam! 
Sep 19 23:41:40.338 INFO kablam! warning: unused import: `SocketAddr`
Sep 19 23:41:40.338 INFO kablam!  --> src/main.rs:5:16
Sep 19 23:41:40.338 INFO kablam!   |
Sep 19 23:41:40.338 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 19 23:41:40.338 INFO kablam!   |                ^^^^^^^^^^
Sep 19 23:41:40.338 INFO kablam! 
Sep 19 23:41:40.405 INFO kablam! warning: unused variable: `buf`
Sep 19 23:41:40.405 INFO kablam!   --> src/discovery.rs:86:17
Sep 19 23:41:40.405 INFO kablam!    |
Sep 19 23:41:40.405 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 23:41:40.405 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 19 23:41:40.405 INFO kablam!    |
Sep 19 23:41:40.405 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 23:41:40.405 INFO kablam! 
Sep 19 23:41:40.405 INFO kablam! warning: unused variable: `buf`
Sep 19 23:41:40.405 INFO kablam!   --> src/discovery.rs:86:17
Sep 19 23:41:40.405 INFO kablam!    |
Sep 19 23:41:40.406 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 23:41:40.406 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 19 23:41:40.406 INFO kablam!    |
Sep 19 23:41:40.406 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 23:41:40.406 INFO kablam! 
Sep 19 23:41:40.406 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.406 INFO kablam!   --> src/discovery.rs:16:9
Sep 19 23:41:40.406 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.406 INFO kablam!   --> src/discovery.rs:16:9
Sep 19 23:41:40.406 INFO kablam!    |
Sep 19 23:41:40.406 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 19 23:41:40.406 INFO kablam!    |         ----^^^^^^
Sep 19 23:41:40.406 INFO kablam!    |         |
Sep 19 23:41:40.406 INFO kablam!    |         help: remove this `mut`
Sep 19 23:41:40.406 INFO kablam!    |
Sep 19 23:41:40.406 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 23:41:40.406 INFO kablam! 
Sep 19 23:41:40.406 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.406 INFO kablam!   --> src/discovery.rs:36:9
Sep 19 23:41:40.406 INFO kablam!    |
Sep 19 23:41:40.406 INFO kablam! 36 |     let mut addr = addr_iter
Sep 19 23:41:40.406 INFO kablam!    |         ----^^^^
Sep 19 23:41:40.406 INFO kablam!    |         |
Sep 19 23:41:40.406 INFO kablam!    |         help: remove this `mut`
Sep 19 23:41:40.406 INFO kablam! 
Sep 19 23:41:40.406 INFO kablam!    |
Sep 19 23:41:40.406 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 19 23:41:40.406 INFO kablam!    |         ----^^^^^^
Sep 19 23:41:40.406 INFO kablam!    |         |
Sep 19 23:41:40.406 INFO kablam!    |         help: remove this `mut`
Sep 19 23:41:40.406 INFO kablam!    |
Sep 19 23:41:40.407 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 23:41:40.407 INFO kablam! 
Sep 19 23:41:40.410 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.410 INFO kablam!   --> src/discovery.rs:36:9
Sep 19 23:41:40.410 INFO kablam!    |
Sep 19 23:41:40.410 INFO kablam! 36 |     let mut addr = addr_iter
Sep 19 23:41:40.410 INFO kablam!    |         ----^^^^
Sep 19 23:41:40.410 INFO kablam!    |         |
Sep 19 23:41:40.410 INFO kablam!    |         help: remove this `mut`
Sep 19 23:41:40.410 INFO kablam! 
Sep 19 23:41:40.413 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.413 INFO kablam!   --> src/discovery.rs:86:13
Sep 19 23:41:40.413 INFO kablam!    |
Sep 19 23:41:40.413 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 23:41:40.413 INFO kablam!    |             ----^^^
Sep 19 23:41:40.413 INFO kablam!    |             |
Sep 19 23:41:40.413 INFO kablam!    |             help: remove this `mut`
Sep 19 23:41:40.413 INFO kablam! 
Sep 19 23:41:40.413 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.413 INFO kablam!   --> src/discovery.rs:86:13
Sep 19 23:41:40.413 INFO kablam!    |
Sep 19 23:41:40.413 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 23:41:40.413 INFO kablam!    |             ----^^^
Sep 19 23:41:40.413 INFO kablam!    |             |
Sep 19 23:41:40.413 INFO kablam!    |             help: remove this `mut`
Sep 19 23:41:40.413 INFO kablam! 
Sep 19 23:41:40.413 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 23:41:40.413 INFO kablam!   --> src/discovery.rs:87:9
Sep 19 23:41:40.413 INFO kablam!    |
Sep 19 23:41:40.413 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 19 23:41:40.413 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.413 INFO kablam!    |
Sep 19 23:41:40.413 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 19 23:41:40.413 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 23:41:40.413 INFO kablam! 
Sep 19 23:41:40.413 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 23:41:40.413 INFO kablam!   --> src/discovery.rs:88:9
Sep 19 23:41:40.413 INFO kablam!    |
Sep 19 23:41:40.413 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 19 23:41:40.413 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.413 INFO kablam!    |
Sep 19 23:41:40.413 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 23:41:40.413 INFO kablam! 
Sep 19 23:41:40.413 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 23:41:40.413 INFO kablam!   --> src/discovery.rs:87:9
Sep 19 23:41:40.414 INFO kablam!    |
Sep 19 23:41:40.414 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 19 23:41:40.414 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.414 INFO kablam!    |
Sep 19 23:41:40.414 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 19 23:41:40.414 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 23:41:40.414 INFO kablam! 
Sep 19 23:41:40.414 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 23:41:40.414 INFO kablam!   --> src/discovery.rs:88:9
Sep 19 23:41:40.414 INFO kablam!    |
Sep 19 23:41:40.414 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 19 23:41:40.414 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.414 INFO kablam!    |
Sep 19 23:41:40.414 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 23:41:40.414 INFO kablam! 
Sep 19 23:41:40.426 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Sep 19 23:41:40.429 INFO kablam! su: No module specific data is present
Sep 19 23:41:40.858 INFO running `"docker" "rm" "-f" "fd41b02e6fe181428881bdb2e4d816ba1358cf70b08d491f802ce15e1a4fc6c5"`
Sep 19 23:41:41.008 INFO blam! fd41b02e6fe181428881bdb2e4d816ba1358cf70b08d491f802ce15e1a4fc6c5