Aug 31 20:26:14.453 INFO checking nexrs-0.1.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 20:26:14.453 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 20:26:14.454 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 20:26:14.642 INFO blam! af88f6bcdd6e1ebd7d0c46594e397e6424f819d53015e48ff085cc89c44bd037
Aug 31 20:26:14.644 INFO running `"docker" "start" "-a" "af88f6bcdd6e1ebd7d0c46594e397e6424f819d53015e48ff085cc89c44bd037"`
Aug 31 20:26:15.385 INFO kablam!     Checking nexrs v0.1.0 (file:///source)
Aug 31 20:26:15.929 INFO kablam! warning: unused import: `std::error::Error`
Aug 31 20:26:15.929 INFO kablam!  --> src/discovery.rs:2:5
Aug 31 20:26:15.929 INFO kablam!   |
Aug 31 20:26:15.929 INFO kablam! 2 | use std::error::Error;
Aug 31 20:26:15.929 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 31 20:26:15.929 INFO kablam!   |
Aug 31 20:26:15.930 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 20:26:15.930 INFO kablam! 
Aug 31 20:26:15.931 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 31 20:26:15.931 INFO kablam!  --> src/discovery.rs:6:5
Aug 31 20:26:15.931 INFO kablam!   |
Aug 31 20:26:15.931 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 31 20:26:15.931 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:15.931 INFO kablam! 
Aug 31 20:26:15.932 INFO kablam! warning: unused import: `discovery::*`
Aug 31 20:26:15.932 INFO kablam!  --> src/main.rs:4:5
Aug 31 20:26:15.932 INFO kablam!   |
Aug 31 20:26:15.932 INFO kablam! 4 | use discovery::*;
Aug 31 20:26:15.932 INFO kablam!   |     ^^^^^^^^^^^^
Aug 31 20:26:15.933 INFO kablam! 
Aug 31 20:26:15.933 INFO kablam! warning: unused import: `SocketAddr`
Aug 31 20:26:15.933 INFO kablam!  --> src/main.rs:5:16
Aug 31 20:26:15.933 INFO kablam!   |
Aug 31 20:26:15.934 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 31 20:26:15.934 INFO kablam!   |                ^^^^^^^^^^
Aug 31 20:26:15.934 INFO kablam! 
Aug 31 20:26:16.044 INFO kablam! warning: unused import: `std::error::Error`
Aug 31 20:26:16.045 INFO kablam!  --> src/discovery.rs:2:5
Aug 31 20:26:16.045 INFO kablam!   |
Aug 31 20:26:16.045 INFO kablam! 2 | use std::error::Error;
Aug 31 20:26:16.045 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 31 20:26:16.045 INFO kablam!   |
Aug 31 20:26:16.045 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 20:26:16.045 INFO kablam! 
Aug 31 20:26:16.046 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Aug 31 20:26:16.046 INFO kablam!  --> src/discovery.rs:6:5
Aug 31 20:26:16.046 INFO kablam!   |
Aug 31 20:26:16.046 INFO kablam! 6 | use std::io::Result as IoResult;
Aug 31 20:26:16.046 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:16.046 INFO kablam! 
Aug 31 20:26:16.046 INFO kablam! warning: unused import: `discovery::*`
Aug 31 20:26:16.046 INFO kablam!  --> src/main.rs:4:5
Aug 31 20:26:16.046 INFO kablam!   |
Aug 31 20:26:16.046 INFO kablam! 4 | use discovery::*;
Aug 31 20:26:16.046 INFO kablam!   |     ^^^^^^^^^^^^
Aug 31 20:26:16.046 INFO kablam! 
Aug 31 20:26:16.046 INFO kablam! warning: unused import: `SocketAddr`
Aug 31 20:26:16.046 INFO kablam!  --> src/main.rs:5:16
Aug 31 20:26:16.046 INFO kablam!   |
Aug 31 20:26:16.046 INFO kablam! 5 | use std::net::{SocketAddr};
Aug 31 20:26:16.046 INFO kablam!   |                ^^^^^^^^^^
Aug 31 20:26:16.046 INFO kablam! 
Aug 31 20:26:16.085 INFO kablam! warning: unused variable: `buf`
Aug 31 20:26:16.085 INFO kablam!   --> src/discovery.rs:86:17
Aug 31 20:26:16.085 INFO kablam!    |
Aug 31 20:26:16.085 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 31 20:26:16.085 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 31 20:26:16.086 INFO kablam!    |
Aug 31 20:26:16.086 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 20:26:16.086 INFO kablam! 
Aug 31 20:26:16.102 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:16.102 INFO kablam!   --> src/discovery.rs:16:9
Aug 31 20:26:16.102 INFO kablam!    |
Aug 31 20:26:16.103 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 31 20:26:16.103 INFO kablam!    |         ----^^^^^^
Aug 31 20:26:16.103 INFO kablam!    |         |
Aug 31 20:26:16.103 INFO kablam!    |         help: remove this `mut`
Aug 31 20:26:16.103 INFO kablam!    |
Aug 31 20:26:16.104 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 20:26:16.104 INFO kablam! 
Aug 31 20:26:16.105 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:16.105 INFO kablam!   --> src/discovery.rs:36:9
Aug 31 20:26:16.105 INFO kablam!    |
Aug 31 20:26:16.105 INFO kablam! 36 |     let mut addr = addr_iter
Aug 31 20:26:16.105 INFO kablam!    |         ----^^^^
Aug 31 20:26:16.105 INFO kablam!    |         |
Aug 31 20:26:16.105 INFO kablam!    |         help: remove this `mut`
Aug 31 20:26:16.105 INFO kablam! 
Aug 31 20:26:16.115 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:16.116 INFO kablam!   --> src/discovery.rs:86:13
Aug 31 20:26:16.116 INFO kablam!    |
Aug 31 20:26:16.116 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 31 20:26:16.116 INFO kablam!    |             ----^^^
Aug 31 20:26:16.116 INFO kablam!    |             |
Aug 31 20:26:16.116 INFO kablam!    |             help: remove this `mut`
Aug 31 20:26:16.117 INFO kablam! 
Aug 31 20:26:16.119 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:26:16.119 INFO kablam!   --> src/discovery.rs:87:9
Aug 31 20:26:16.119 INFO kablam!    |
Aug 31 20:26:16.119 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 31 20:26:16.119 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:16.120 INFO kablam!    |
Aug 31 20:26:16.120 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 31 20:26:16.121 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:26:16.121 INFO kablam! 
Aug 31 20:26:16.121 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:26:16.122 INFO kablam!   --> src/discovery.rs:88:9
Aug 31 20:26:16.122 INFO kablam!    |
Aug 31 20:26:16.122 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 31 20:26:16.122 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:16.122 INFO kablam!    |
Aug 31 20:26:16.123 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:26:16.123 INFO kablam! 
Aug 31 20:26:16.181 INFO kablam! warning: unused variable: `buf`
Aug 31 20:26:16.181 INFO kablam!   --> src/discovery.rs:86:17
Aug 31 20:26:16.181 INFO kablam!    |
Aug 31 20:26:16.182 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 31 20:26:16.182 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Aug 31 20:26:16.182 INFO kablam!    |
Aug 31 20:26:16.182 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 20:26:16.182 INFO kablam! 
Aug 31 20:26:16.192 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:16.192 INFO kablam!   --> src/discovery.rs:16:9
Aug 31 20:26:16.193 INFO kablam!    |
Aug 31 20:26:16.193 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Aug 31 20:26:16.193 INFO kablam!    |         ----^^^^^^
Aug 31 20:26:16.193 INFO kablam!    |         |
Aug 31 20:26:16.193 INFO kablam!    |         help: remove this `mut`
Aug 31 20:26:16.193 INFO kablam!    |
Aug 31 20:26:16.193 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 20:26:16.193 INFO kablam! 
Aug 31 20:26:16.193 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:16.193 INFO kablam!   --> src/discovery.rs:36:9
Aug 31 20:26:16.193 INFO kablam!    |
Aug 31 20:26:16.193 INFO kablam! 36 |     let mut addr = addr_iter
Aug 31 20:26:16.193 INFO kablam!    |         ----^^^^
Aug 31 20:26:16.193 INFO kablam!    |         |
Aug 31 20:26:16.193 INFO kablam!    |         help: remove this `mut`
Aug 31 20:26:16.193 INFO kablam! 
Aug 31 20:26:16.200 INFO kablam! warning: variable does not need to be mutable
Aug 31 20:26:16.200 INFO kablam!   --> src/discovery.rs:86:13
Aug 31 20:26:16.200 INFO kablam!    |
Aug 31 20:26:16.200 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Aug 31 20:26:16.200 INFO kablam!    |             ----^^^
Aug 31 20:26:16.200 INFO kablam!    |             |
Aug 31 20:26:16.200 INFO kablam!    |             help: remove this `mut`
Aug 31 20:26:16.200 INFO kablam! 
Aug 31 20:26:16.201 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:26:16.201 INFO kablam!   --> src/discovery.rs:87:9
Aug 31 20:26:16.201 INFO kablam!    |
Aug 31 20:26:16.201 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Aug 31 20:26:16.201 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:16.201 INFO kablam!    |
Aug 31 20:26:16.201 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 31 20:26:16.202 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:26:16.202 INFO kablam! 
Aug 31 20:26:16.202 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 20:26:16.202 INFO kablam!   --> src/discovery.rs:88:9
Aug 31 20:26:16.202 INFO kablam!    |
Aug 31 20:26:16.202 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Aug 31 20:26:16.202 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 20:26:16.202 INFO kablam!    |
Aug 31 20:26:16.202 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 20:26:16.202 INFO kablam! 
Aug 31 20:26:16.218 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Aug 31 20:26:16.222 INFO kablam! su: No module specific data is present
Aug 31 20:26:16.704 INFO running `"docker" "rm" "-f" "af88f6bcdd6e1ebd7d0c46594e397e6424f819d53015e48ff085cc89c44bd037"`
Aug 31 20:26:16.836 INFO blam! af88f6bcdd6e1ebd7d0c46594e397e6424f819d53015e48ff085cc89c44bd037