Sep 02 06:32:15.787 INFO checking nexrs-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 06:32:15.787 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 06:32:15.787 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 06:32:15.950 INFO blam! 1b636c4c01f0e88b5843f085438f5fcbae4779c74021c99bbef400d4fb5a33cb
Sep 02 06:32:15.952 INFO running `"docker" "start" "-a" "1b636c4c01f0e88b5843f085438f5fcbae4779c74021c99bbef400d4fb5a33cb"`
Sep 02 06:32:16.575 INFO kablam!     Checking nexrs v0.1.0 (file:///source)
Sep 02 06:32:16.921 INFO kablam! warning: unused import: `std::error::Error`
Sep 02 06:32:16.921 INFO kablam!  --> src/discovery.rs:2:5
Sep 02 06:32:16.922 INFO kablam!   |
Sep 02 06:32:16.922 INFO kablam! 2 | use std::error::Error;
Sep 02 06:32:16.922 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 02 06:32:16.922 INFO kablam!   |
Sep 02 06:32:16.922 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 06:32:16.922 INFO kablam! 
Sep 02 06:32:16.922 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 02 06:32:16.922 INFO kablam!  --> src/discovery.rs:6:5
Sep 02 06:32:16.922 INFO kablam!   |
Sep 02 06:32:16.922 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 02 06:32:16.922 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:32:16.922 INFO kablam! 
Sep 02 06:32:16.922 INFO kablam! warning: unused import: `discovery::*`
Sep 02 06:32:16.922 INFO kablam!  --> src/main.rs:4:5
Sep 02 06:32:16.922 INFO kablam!   |
Sep 02 06:32:16.922 INFO kablam! 4 | use discovery::*;
Sep 02 06:32:16.923 INFO kablam!   |     ^^^^^^^^^^^^
Sep 02 06:32:16.923 INFO kablam! 
Sep 02 06:32:16.923 INFO kablam! warning: unused import: `SocketAddr`
Sep 02 06:32:16.923 INFO kablam!  --> src/main.rs:5:16
Sep 02 06:32:16.923 INFO kablam!   |
Sep 02 06:32:16.923 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 02 06:32:16.923 INFO kablam!   |                ^^^^^^^^^^
Sep 02 06:32:16.923 INFO kablam! 
Sep 02 06:32:17.006 INFO kablam! warning: unused import: `std::error::Error`
Sep 02 06:32:17.006 INFO kablam!  --> src/discovery.rs:2:5
Sep 02 06:32:17.006 INFO kablam!   |
Sep 02 06:32:17.006 INFO kablam! 2 | use std::error::Error;
Sep 02 06:32:17.006 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 02 06:32:17.006 INFO kablam!   |
Sep 02 06:32:17.006 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 06:32:17.006 INFO kablam! 
Sep 02 06:32:17.006 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 02 06:32:17.006 INFO kablam!  --> src/discovery.rs:6:5
Sep 02 06:32:17.006 INFO kablam!   |
Sep 02 06:32:17.006 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 02 06:32:17.006 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:32:17.006 INFO kablam! 
Sep 02 06:32:17.006 INFO kablam! warning: unused import: `discovery::*`
Sep 02 06:32:17.006 INFO kablam!  --> src/main.rs:4:5
Sep 02 06:32:17.006 INFO kablam!   |
Sep 02 06:32:17.007 INFO kablam! 4 | use discovery::*;
Sep 02 06:32:17.007 INFO kablam!   |     ^^^^^^^^^^^^
Sep 02 06:32:17.007 INFO kablam! 
Sep 02 06:32:17.007 INFO kablam! warning: unused import: `SocketAddr`
Sep 02 06:32:17.007 INFO kablam!  --> src/main.rs:5:16
Sep 02 06:32:17.007 INFO kablam!   |
Sep 02 06:32:17.007 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 02 06:32:17.007 INFO kablam!   |                ^^^^^^^^^^
Sep 02 06:32:17.007 INFO kablam! 
Sep 02 06:32:17.017 INFO kablam! warning: unused variable: `buf`
Sep 02 06:32:17.017 INFO kablam!   --> src/discovery.rs:86:17
Sep 02 06:32:17.017 INFO kablam!    |
Sep 02 06:32:17.017 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 02 06:32:17.018 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 02 06:32:17.018 INFO kablam!    |
Sep 02 06:32:17.018 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 02 06:32:17.018 INFO kablam! 
Sep 02 06:32:17.030 INFO kablam! warning: variable does not need to be mutable
Sep 02 06:32:17.030 INFO kablam!   --> src/discovery.rs:16:9
Sep 02 06:32:17.030 INFO kablam!    |
Sep 02 06:32:17.030 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 02 06:32:17.030 INFO kablam!    |         ----^^^^^^
Sep 02 06:32:17.030 INFO kablam!    |         |
Sep 02 06:32:17.030 INFO kablam!    |         help: remove this `mut`
Sep 02 06:32:17.030 INFO kablam!    |
Sep 02 06:32:17.030 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 06:32:17.030 INFO kablam! 
Sep 02 06:32:17.030 INFO kablam! warning: variable does not need to be mutable
Sep 02 06:32:17.030 INFO kablam!   --> src/discovery.rs:36:9
Sep 02 06:32:17.030 INFO kablam!    |
Sep 02 06:32:17.030 INFO kablam! 36 |     let mut addr = addr_iter
Sep 02 06:32:17.030 INFO kablam!    |         ----^^^^
Sep 02 06:32:17.030 INFO kablam!    |         |
Sep 02 06:32:17.030 INFO kablam!    |         help: remove this `mut`
Sep 02 06:32:17.030 INFO kablam! 
Sep 02 06:32:17.038 INFO kablam! warning: variable does not need to be mutable
Sep 02 06:32:17.038 INFO kablam!   --> src/discovery.rs:86:13
Sep 02 06:32:17.038 INFO kablam!    |
Sep 02 06:32:17.038 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 02 06:32:17.038 INFO kablam!    |             ----^^^
Sep 02 06:32:17.038 INFO kablam!    |             |
Sep 02 06:32:17.038 INFO kablam!    |             help: remove this `mut`
Sep 02 06:32:17.038 INFO kablam! 
Sep 02 06:32:17.039 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 06:32:17.039 INFO kablam!   --> src/discovery.rs:87:9
Sep 02 06:32:17.039 INFO kablam!    |
Sep 02 06:32:17.040 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 02 06:32:17.040 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:32:17.040 INFO kablam!    |
Sep 02 06:32:17.040 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 02 06:32:17.040 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 06:32:17.040 INFO kablam! 
Sep 02 06:32:17.040 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 06:32:17.040 INFO kablam!   --> src/discovery.rs:88:9
Sep 02 06:32:17.040 INFO kablam!    |
Sep 02 06:32:17.040 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 02 06:32:17.040 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:32:17.040 INFO kablam!    |
Sep 02 06:32:17.040 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 06:32:17.040 INFO kablam! 
Sep 02 06:32:17.119 INFO kablam! warning: unused variable: `buf`
Sep 02 06:32:17.119 INFO kablam!   --> src/discovery.rs:86:17
Sep 02 06:32:17.119 INFO kablam!    |
Sep 02 06:32:17.119 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 02 06:32:17.119 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 02 06:32:17.119 INFO kablam!    |
Sep 02 06:32:17.119 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 02 06:32:17.119 INFO kablam! 
Sep 02 06:32:17.129 INFO kablam! warning: variable does not need to be mutable
Sep 02 06:32:17.129 INFO kablam!   --> src/discovery.rs:16:9
Sep 02 06:32:17.129 INFO kablam!    |
Sep 02 06:32:17.129 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 02 06:32:17.129 INFO kablam!    |         ----^^^^^^
Sep 02 06:32:17.129 INFO kablam!    |         |
Sep 02 06:32:17.129 INFO kablam!    |         help: remove this `mut`
Sep 02 06:32:17.129 INFO kablam!    |
Sep 02 06:32:17.129 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 06:32:17.130 INFO kablam! 
Sep 02 06:32:17.130 INFO kablam! warning: variable does not need to be mutable
Sep 02 06:32:17.130 INFO kablam!   --> src/discovery.rs:36:9
Sep 02 06:32:17.130 INFO kablam!    |
Sep 02 06:32:17.130 INFO kablam! 36 |     let mut addr = addr_iter
Sep 02 06:32:17.130 INFO kablam!    |         ----^^^^
Sep 02 06:32:17.130 INFO kablam!    |         |
Sep 02 06:32:17.130 INFO kablam!    |         help: remove this `mut`
Sep 02 06:32:17.130 INFO kablam! 
Sep 02 06:32:17.136 INFO kablam! warning: variable does not need to be mutable
Sep 02 06:32:17.136 INFO kablam!   --> src/discovery.rs:86:13
Sep 02 06:32:17.136 INFO kablam!    |
Sep 02 06:32:17.136 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 02 06:32:17.136 INFO kablam!    |             ----^^^
Sep 02 06:32:17.136 INFO kablam!    |             |
Sep 02 06:32:17.136 INFO kablam!    |             help: remove this `mut`
Sep 02 06:32:17.136 INFO kablam! 
Sep 02 06:32:17.137 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 06:32:17.137 INFO kablam!   --> src/discovery.rs:87:9
Sep 02 06:32:17.137 INFO kablam!    |
Sep 02 06:32:17.137 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 02 06:32:17.137 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:32:17.137 INFO kablam!    |
Sep 02 06:32:17.137 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 02 06:32:17.137 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 06:32:17.137 INFO kablam! 
Sep 02 06:32:17.137 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 06:32:17.137 INFO kablam!   --> src/discovery.rs:88:9
Sep 02 06:32:17.137 INFO kablam!    |
Sep 02 06:32:17.138 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 02 06:32:17.138 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 06:32:17.138 INFO kablam!    |
Sep 02 06:32:17.138 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 06:32:17.138 INFO kablam! 
Sep 02 06:32:17.150 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Sep 02 06:32:17.152 INFO kablam! su: No module specific data is present
Sep 02 06:32:17.521 INFO running `"docker" "rm" "-f" "1b636c4c01f0e88b5843f085438f5fcbae4779c74021c99bbef400d4fb5a33cb"`
Sep 02 06:32:17.616 INFO blam! 1b636c4c01f0e88b5843f085438f5fcbae4779c74021c99bbef400d4fb5a33cb