Aug 31 20:26:16.880 INFO checking nexrs-0.1.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 20:26:16.880 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 20:26:16.880 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 20:26:17.086 INFO blam! 64d11ee24924ba9b468ec8016b09bf36ddcf637143ea4fb05482a316c1e0d021
Aug 31 20:26:17.088 INFO running `"docker" "start" "-a" "64d11ee24924ba9b468ec8016b09bf36ddcf637143ea4fb05482a316c1e0d021"`
Aug 31 20:26:17.705 INFO kablam!     Checking nexrs v0.1.0 (file:///source)
Aug 31 20:26:18.090 INFO kablam! warning: unused import: `std::error::Error`
Aug 31 20:26:18.090 INFO kablam!  --> src/discovery.rs:2:5
Aug 31 20:26:18.090 INFO kablam!   |
Aug 31 20:26:18.091 INFO kablam! 2 | use std::error::Error;
Aug 31 20:26:18.091 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 31 20:26:18.091 INFO kablam!   |
Aug 31 20:26:18.091 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 20:26:18.091 INFO kablam! 
Aug 31 20:26:18.091 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 31 20:26:18.091 INFO kablam!  --> src/discovery.rs:6:5
Aug 31 20:26:18.091 INFO kablam!   |
Aug 31 20:26:18.091 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 31 20:26:18.091 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:18.091 INFO kablam! 
Aug 31 20:26:18.091 INFO kablam! warning: unused import: `discovery::*`
Aug 31 20:26:18.091 INFO kablam!  --> src/main.rs:4:5
Aug 31 20:26:18.091 INFO kablam!   |
Aug 31 20:26:18.091 INFO kablam! 4 | use discovery::*;
Aug 31 20:26:18.091 INFO kablam!   |     ^^^^^^^^^^^^
Aug 31 20:26:18.091 INFO kablam! 
Aug 31 20:26:18.091 INFO kablam! warning: unused import: `SocketAddr`
Aug 31 20:26:18.091 INFO kablam!  --> src/main.rs:5:16
Aug 31 20:26:18.091 INFO kablam!   |
Aug 31 20:26:18.091 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 31 20:26:18.091 INFO kablam!   |                ^^^^^^^^^^
Aug 31 20:26:18.091 INFO kablam! 
Aug 31 20:26:18.129 INFO kablam! warning: unused import: `std::error::Error`
Aug 31 20:26:18.129 INFO kablam!  --> src/discovery.rs:2:5
Aug 31 20:26:18.129 INFO kablam!   |
Aug 31 20:26:18.129 INFO kablam! 2 | use std::error::Error;
Aug 31 20:26:18.129 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 31 20:26:18.129 INFO kablam!   |
Aug 31 20:26:18.129 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 20:26:18.130 INFO kablam! 
Aug 31 20:26:18.130 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 31 20:26:18.130 INFO kablam!  --> src/discovery.rs:6:5
Aug 31 20:26:18.130 INFO kablam!   |
Aug 31 20:26:18.130 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 31 20:26:18.130 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:18.130 INFO kablam! 
Aug 31 20:26:18.130 INFO kablam! warning: unused import: `discovery::*`
Aug 31 20:26:18.130 INFO kablam!  --> src/main.rs:4:5
Aug 31 20:26:18.130 INFO kablam!   |
Aug 31 20:26:18.130 INFO kablam! 4 | use discovery::*;
Aug 31 20:26:18.130 INFO kablam!   |     ^^^^^^^^^^^^
Aug 31 20:26:18.130 INFO kablam! 
Aug 31 20:26:18.130 INFO kablam! warning: unused import: `SocketAddr`
Aug 31 20:26:18.130 INFO kablam!  --> src/main.rs:5:16
Aug 31 20:26:18.130 INFO kablam!   |
Aug 31 20:26:18.130 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 31 20:26:18.130 INFO kablam!   |                ^^^^^^^^^^
Aug 31 20:26:18.130 INFO kablam! 
Aug 31 20:26:18.199 INFO kablam! warning: unused variable: `buf`
Aug 31 20:26:18.199 INFO kablam!   --> src/discovery.rs:86:17
Aug 31 20:26:18.199 INFO kablam!    |
Aug 31 20:26:18.200 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 31 20:26:18.200 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 31 20:26:18.200 INFO kablam!    |
Aug 31 20:26:18.200 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 20:26:18.200 INFO kablam! 
Aug 31 20:26:18.210 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:18.210 INFO kablam!   --> src/discovery.rs:16:9
Aug 31 20:26:18.210 INFO kablam!    |
Aug 31 20:26:18.210 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 31 20:26:18.210 INFO kablam!    |         ----^^^^^^
Aug 31 20:26:18.210 INFO kablam!    |         |
Aug 31 20:26:18.210 INFO kablam!    |         help: remove this `mut`
Aug 31 20:26:18.210 INFO kablam!    |
Aug 31 20:26:18.210 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 20:26:18.210 INFO kablam! 
Aug 31 20:26:18.210 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:18.210 INFO kablam!   --> src/discovery.rs:36:9
Aug 31 20:26:18.211 INFO kablam!    |
Aug 31 20:26:18.211 INFO kablam! 36 |     let mut addr = addr_iter
Aug 31 20:26:18.211 INFO kablam!    |         ----^^^^
Aug 31 20:26:18.211 INFO kablam!    |         |
Aug 31 20:26:18.211 INFO kablam!    |         help: remove this `mut`
Aug 31 20:26:18.211 INFO kablam! 
Aug 31 20:26:18.216 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:18.217 INFO kablam!   --> src/discovery.rs:86:13
Aug 31 20:26:18.217 INFO kablam!    |
Aug 31 20:26:18.217 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 31 20:26:18.217 INFO kablam!    |             ----^^^
Aug 31 20:26:18.217 INFO kablam!    |             |
Aug 31 20:26:18.217 INFO kablam!    |             help: remove this `mut`
Aug 31 20:26:18.217 INFO kablam! 
Aug 31 20:26:18.218 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:26:18.218 INFO kablam!   --> src/discovery.rs:87:9
Aug 31 20:26:18.218 INFO kablam!    |
Aug 31 20:26:18.218 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 31 20:26:18.218 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:18.218 INFO kablam!    |
Aug 31 20:26:18.218 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 31 20:26:18.218 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:26:18.218 INFO kablam! 
Aug 31 20:26:18.218 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:26:18.218 INFO kablam!   --> src/discovery.rs:88:9
Aug 31 20:26:18.218 INFO kablam!    |
Aug 31 20:26:18.218 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 31 20:26:18.218 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:18.219 INFO kablam!    |
Aug 31 20:26:18.219 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:26:18.219 INFO kablam! 
Aug 31 20:26:18.256 INFO kablam! warning: unused variable: `buf`
Aug 31 20:26:18.256 INFO kablam!   --> src/discovery.rs:86:17
Aug 31 20:26:18.256 INFO kablam!    |
Aug 31 20:26:18.257 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 31 20:26:18.257 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 31 20:26:18.257 INFO kablam!    |
Aug 31 20:26:18.257 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 20:26:18.257 INFO kablam! 
Aug 31 20:26:18.268 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:18.268 INFO kablam!   --> src/discovery.rs:16:9
Aug 31 20:26:18.268 INFO kablam!    |
Aug 31 20:26:18.268 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 31 20:26:18.268 INFO kablam!    |         ----^^^^^^
Aug 31 20:26:18.268 INFO kablam!    |         |
Aug 31 20:26:18.268 INFO kablam!    |         help: remove this `mut`
Aug 31 20:26:18.268 INFO kablam!    |
Aug 31 20:26:18.268 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 20:26:18.268 INFO kablam! 
Aug 31 20:26:18.269 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:18.269 INFO kablam!   --> src/discovery.rs:36:9
Aug 31 20:26:18.269 INFO kablam!    |
Aug 31 20:26:18.269 INFO kablam! 36 |     let mut addr = addr_iter
Aug 31 20:26:18.269 INFO kablam!    |         ----^^^^
Aug 31 20:26:18.269 INFO kablam!    |         |
Aug 31 20:26:18.269 INFO kablam!    |         help: remove this `mut`
Aug 31 20:26:18.269 INFO kablam! 
Aug 31 20:26:18.275 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:18.275 INFO kablam!   --> src/discovery.rs:86:13
Aug 31 20:26:18.275 INFO kablam!    |
Aug 31 20:26:18.275 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 31 20:26:18.275 INFO kablam!    |             ----^^^
Aug 31 20:26:18.275 INFO kablam!    |             |
Aug 31 20:26:18.275 INFO kablam!    |             help: remove this `mut`
Aug 31 20:26:18.276 INFO kablam! 
Aug 31 20:26:18.277 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:26:18.277 INFO kablam!   --> src/discovery.rs:87:9
Aug 31 20:26:18.277 INFO kablam!    |
Aug 31 20:26:18.277 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 31 20:26:18.277 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:18.277 INFO kablam!    |
Aug 31 20:26:18.277 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 31 20:26:18.277 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:26:18.277 INFO kablam! 
Aug 31 20:26:18.277 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:26:18.277 INFO kablam!   --> src/discovery.rs:88:9
Aug 31 20:26:18.277 INFO kablam!    |
Aug 31 20:26:18.277 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 31 20:26:18.277 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:18.277 INFO kablam!    |
Aug 31 20:26:18.278 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:26:18.278 INFO kablam! 
Aug 31 20:26:18.290 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Aug 31 20:26:18.292 INFO kablam! su: No module specific data is present
Aug 31 20:26:18.698 INFO running `"docker" "rm" "-f" "64d11ee24924ba9b468ec8016b09bf36ddcf637143ea4fb05482a316c1e0d021"`
Aug 31 20:26:18.814 INFO blam! 64d11ee24924ba9b468ec8016b09bf36ddcf637143ea4fb05482a316c1e0d021