Nov 01 19:23:05.276 INFO checking nexrs-0.1.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 19:23:05.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 19:23:05.607 INFO blam! 40757e65b43f8a28156a3dc457424c4bcfd1bf1eab02de5745d887b9d11aef58
Nov 01 19:23:05.609 INFO running `"docker" "start" "-a" "40757e65b43f8a28156a3dc457424c4bcfd1bf1eab02de5745d887b9d11aef58"`
Nov 01 19:23:06.435 INFO kablam! usermod: no changes
Nov 01 19:23:06.485 INFO kablam!     Checking nexrs v0.1.0 (/source)
Nov 01 19:23:07.060 INFO kablam! warning: unused import: `std::error::Error`
Nov 01 19:23:07.060 INFO kablam!  --> src/discovery.rs:2:5
Nov 01 19:23:07.060 INFO kablam!   |
Nov 01 19:23:07.060 INFO kablam! 2 | use std::error::Error;
Nov 01 19:23:07.060 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.060 INFO kablam!   |
Nov 01 19:23:07.060 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 19:23:07.060 INFO kablam! 
Nov 01 19:23:07.060 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Nov 01 19:23:07.060 INFO kablam!  --> src/discovery.rs:6:5
Nov 01 19:23:07.060 INFO kablam!   |
Nov 01 19:23:07.060 INFO kablam! 6 | use std::io::Result as IoResult;
Nov 01 19:23:07.060 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.060 INFO kablam! 
Nov 01 19:23:07.060 INFO kablam! warning: unused import: `discovery::*`
Nov 01 19:23:07.060 INFO kablam!  --> src/main.rs:4:5
Nov 01 19:23:07.060 INFO kablam!   |
Nov 01 19:23:07.060 INFO kablam! 4 | use discovery::*;
Nov 01 19:23:07.060 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 19:23:07.060 INFO kablam! 
Nov 01 19:23:07.060 INFO kablam! warning: unused import: `SocketAddr`
Nov 01 19:23:07.060 INFO kablam!  --> src/main.rs:5:16
Nov 01 19:23:07.060 INFO kablam!   |
Nov 01 19:23:07.060 INFO kablam! 5 | use std::net::{SocketAddr};
Nov 01 19:23:07.060 INFO kablam!   |                ^^^^^^^^^^
Nov 01 19:23:07.060 INFO kablam! 
Nov 01 19:23:07.093 INFO kablam! warning: unused variable: `buf`
Nov 01 19:23:07.093 INFO kablam!   --> src/discovery.rs:86:17
Nov 01 19:23:07.093 INFO kablam!    |
Nov 01 19:23:07.093 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 01 19:23:07.094 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Nov 01 19:23:07.094 INFO kablam!    |
Nov 01 19:23:07.094 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 19:23:07.094 INFO kablam! 
Nov 01 19:23:07.099 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.099 INFO kablam!   --> src/discovery.rs:16:9
Nov 01 19:23:07.099 INFO kablam!    |
Nov 01 19:23:07.099 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Nov 01 19:23:07.099 INFO kablam!    |         ----^^^^^^
Nov 01 19:23:07.100 INFO kablam!    |         |
Nov 01 19:23:07.100 INFO kablam!    |         help: remove this `mut`
Nov 01 19:23:07.100 INFO kablam!    |
Nov 01 19:23:07.100 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 19:23:07.100 INFO kablam! 
Nov 01 19:23:07.100 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.100 INFO kablam!   --> src/discovery.rs:36:9
Nov 01 19:23:07.100 INFO kablam!    |
Nov 01 19:23:07.100 INFO kablam! 36 |     let mut addr = addr_iter
Nov 01 19:23:07.100 INFO kablam!    |         ----^^^^
Nov 01 19:23:07.100 INFO kablam!    |         |
Nov 01 19:23:07.101 INFO kablam!    |         help: remove this `mut`
Nov 01 19:23:07.101 INFO kablam! 
Nov 01 19:23:07.106 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.106 INFO kablam!   --> src/discovery.rs:86:13
Nov 01 19:23:07.106 INFO kablam!    |
Nov 01 19:23:07.106 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 01 19:23:07.106 INFO kablam!    |             ----^^^
Nov 01 19:23:07.106 INFO kablam!    |             |
Nov 01 19:23:07.106 INFO kablam!    |             help: remove this `mut`
Nov 01 19:23:07.106 INFO kablam! 
Nov 01 19:23:07.107 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 19:23:07.107 INFO kablam!   --> src/discovery.rs:87:9
Nov 01 19:23:07.107 INFO kablam!    |
Nov 01 19:23:07.107 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Nov 01 19:23:07.107 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.107 INFO kablam!    |
Nov 01 19:23:07.107 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 19:23:07.107 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 19:23:07.107 INFO kablam! 
Nov 01 19:23:07.107 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 19:23:07.107 INFO kablam!   --> src/discovery.rs:88:9
Nov 01 19:23:07.107 INFO kablam!    |
Nov 01 19:23:07.107 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Nov 01 19:23:07.107 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.107 INFO kablam!    |
Nov 01 19:23:07.107 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 19:23:07.108 INFO kablam! 
Nov 01 19:23:07.160 INFO kablam! warning: unused import: `std::error::Error`
Nov 01 19:23:07.160 INFO kablam!  --> src/discovery.rs:2:5
Nov 01 19:23:07.160 INFO kablam!   |
Nov 01 19:23:07.160 INFO kablam! 2 | use std::error::Error;
Nov 01 19:23:07.160 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.160 INFO kablam!   |
Nov 01 19:23:07.160 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 19:23:07.160 INFO kablam! 
Nov 01 19:23:07.160 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Nov 01 19:23:07.160 INFO kablam!  --> src/discovery.rs:6:5
Nov 01 19:23:07.160 INFO kablam!   |
Nov 01 19:23:07.160 INFO kablam! 6 | use std::io::Result as IoResult;
Nov 01 19:23:07.160 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.160 INFO kablam! 
Nov 01 19:23:07.160 INFO kablam! warning: unused import: `discovery::*`
Nov 01 19:23:07.160 INFO kablam!  --> src/main.rs:4:5
Nov 01 19:23:07.160 INFO kablam!   |
Nov 01 19:23:07.160 INFO kablam! 4 | use discovery::*;
Nov 01 19:23:07.160 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 19:23:07.160 INFO kablam! 
Nov 01 19:23:07.160 INFO kablam! warning: unused import: `SocketAddr`
Nov 01 19:23:07.160 INFO kablam!  --> src/main.rs:5:16
Nov 01 19:23:07.160 INFO kablam!   |
Nov 01 19:23:07.160 INFO kablam! 5 | use std::net::{SocketAddr};
Nov 01 19:23:07.160 INFO kablam!   |                ^^^^^^^^^^
Nov 01 19:23:07.161 INFO kablam! 
Nov 01 19:23:07.220 INFO kablam! warning: unused variable: `buf`
Nov 01 19:23:07.221 INFO kablam!   --> src/discovery.rs:86:17
Nov 01 19:23:07.222 INFO kablam!    |
Nov 01 19:23:07.222 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 01 19:23:07.223 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Nov 01 19:23:07.223 INFO kablam!    |
Nov 01 19:23:07.223 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 19:23:07.223 INFO kablam! 
Nov 01 19:23:07.229 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.229 INFO kablam!   --> src/discovery.rs:16:9
Nov 01 19:23:07.230 INFO kablam!    |
Nov 01 19:23:07.230 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Nov 01 19:23:07.230 INFO kablam!    |         ----^^^^^^
Nov 01 19:23:07.230 INFO kablam!    |         |
Nov 01 19:23:07.231 INFO kablam!    |         help: remove this `mut`
Nov 01 19:23:07.231 INFO kablam!    |
Nov 01 19:23:07.231 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 19:23:07.232 INFO kablam! 
Nov 01 19:23:07.232 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.233 INFO kablam!   --> src/discovery.rs:36:9
Nov 01 19:23:07.233 INFO kablam!    |
Nov 01 19:23:07.233 INFO kablam! 36 |     let mut addr = addr_iter
Nov 01 19:23:07.233 INFO kablam!    |         ----^^^^
Nov 01 19:23:07.233 INFO kablam!    |         |
Nov 01 19:23:07.233 INFO kablam!    |         help: remove this `mut`
Nov 01 19:23:07.233 INFO kablam! 
Nov 01 19:23:07.236 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.236 INFO kablam!   --> src/discovery.rs:86:13
Nov 01 19:23:07.236 INFO kablam!    |
Nov 01 19:23:07.236 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 01 19:23:07.236 INFO kablam!    |             ----^^^
Nov 01 19:23:07.236 INFO kablam!    |             |
Nov 01 19:23:07.236 INFO kablam!    |             help: remove this `mut`
Nov 01 19:23:07.236 INFO kablam! 
Nov 01 19:23:07.236 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 19:23:07.236 INFO kablam!   --> src/discovery.rs:87:9
Nov 01 19:23:07.236 INFO kablam!    |
Nov 01 19:23:07.236 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Nov 01 19:23:07.236 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.236 INFO kablam!    |
Nov 01 19:23:07.236 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 19:23:07.236 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 19:23:07.236 INFO kablam! 
Nov 01 19:23:07.236 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 19:23:07.236 INFO kablam!   --> src/discovery.rs:88:9
Nov 01 19:23:07.236 INFO kablam!    |
Nov 01 19:23:07.236 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Nov 01 19:23:07.236 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.236 INFO kablam!    |
Nov 01 19:23:07.236 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 19:23:07.236 INFO kablam! 
Nov 01 19:23:07.268 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Nov 01 19:23:07.268 INFO kablam! su: No module specific data is present
Nov 01 19:23:07.846 INFO running `"docker" "rm" "-f" "40757e65b43f8a28156a3dc457424c4bcfd1bf1eab02de5745d887b9d11aef58"`
Nov 01 19:23:07.957 INFO blam! 40757e65b43f8a28156a3dc457424c4bcfd1bf1eab02de5745d887b9d11aef58