Nov 01 19:23:06.148 INFO checking nexrs-0.1.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 19:23:06.148 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 19:23:06.439 INFO blam! b63ede1103ddd0c58d93f035fccf108f223e7f741d6be1eb82693af18a3a8387
Nov 01 19:23:06.446 INFO running `"docker" "start" "-a" "b63ede1103ddd0c58d93f035fccf108f223e7f741d6be1eb82693af18a3a8387"`
Nov 01 19:23:07.189 INFO kablam! usermod: no changes
Nov 01 19:23:07.220 INFO kablam!     Checking nexrs v0.1.0 (/source)
Nov 01 19:23:07.753 INFO kablam! warning: unused import: `std::error::Error`
Nov 01 19:23:07.753 INFO kablam!  --> src/discovery.rs:2:5
Nov 01 19:23:07.753 INFO kablam!   |
Nov 01 19:23:07.753 INFO kablam! 2 | use std::error::Error;
Nov 01 19:23:07.754 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.754 INFO kablam!   |
Nov 01 19:23:07.754 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 19:23:07.755 INFO kablam! 
Nov 01 19:23:07.755 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Nov 01 19:23:07.755 INFO kablam!  --> src/discovery.rs:6:5
Nov 01 19:23:07.755 INFO kablam!   |
Nov 01 19:23:07.756 INFO kablam! 6 | use std::io::Result as IoResult;
Nov 01 19:23:07.756 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.756 INFO kablam! 
Nov 01 19:23:07.756 INFO kablam! warning: unused import: `discovery::*`
Nov 01 19:23:07.757 INFO kablam!  --> src/main.rs:4:5
Nov 01 19:23:07.757 INFO kablam!   |
Nov 01 19:23:07.757 INFO kablam! 4 | use discovery::*;
Nov 01 19:23:07.757 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 19:23:07.758 INFO kablam! 
Nov 01 19:23:07.758 INFO kablam! warning: unused import: `SocketAddr`
Nov 01 19:23:07.758 INFO kablam!  --> src/main.rs:5:16
Nov 01 19:23:07.758 INFO kablam!   |
Nov 01 19:23:07.759 INFO kablam! 5 | use std::net::{SocketAddr};
Nov 01 19:23:07.759 INFO kablam!   |                ^^^^^^^^^^
Nov 01 19:23:07.759 INFO kablam! 
Nov 01 19:23:07.820 INFO kablam! warning: unused variable: `buf`
Nov 01 19:23:07.820 INFO kablam!   --> src/discovery.rs:86:17
Nov 01 19:23:07.820 INFO kablam!    |
Nov 01 19:23:07.820 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 01 19:23:07.820 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Nov 01 19:23:07.820 INFO kablam!    |
Nov 01 19:23:07.820 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 19:23:07.820 INFO kablam! 
Nov 01 19:23:07.828 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.828 INFO kablam!   --> src/discovery.rs:16:9
Nov 01 19:23:07.828 INFO kablam!    |
Nov 01 19:23:07.829 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Nov 01 19:23:07.829 INFO kablam!    |         ----^^^^^^
Nov 01 19:23:07.829 INFO kablam!    |         |
Nov 01 19:23:07.829 INFO kablam!    |         help: remove this `mut`
Nov 01 19:23:07.829 INFO kablam!    |
Nov 01 19:23:07.829 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 19:23:07.830 INFO kablam! 
Nov 01 19:23:07.830 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.830 INFO kablam!   --> src/discovery.rs:36:9
Nov 01 19:23:07.830 INFO kablam!    |
Nov 01 19:23:07.830 INFO kablam! 36 |     let mut addr = addr_iter
Nov 01 19:23:07.830 INFO kablam!    |         ----^^^^
Nov 01 19:23:07.831 INFO kablam!    |         |
Nov 01 19:23:07.832 INFO kablam!    |         help: remove this `mut`
Nov 01 19:23:07.832 INFO kablam! 
Nov 01 19:23:07.832 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.833 INFO kablam!   --> src/discovery.rs:86:13
Nov 01 19:23:07.833 INFO kablam!    |
Nov 01 19:23:07.833 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 01 19:23:07.833 INFO kablam!    |             ----^^^
Nov 01 19:23:07.833 INFO kablam!    |             |
Nov 01 19:23:07.833 INFO kablam!    |             help: remove this `mut`
Nov 01 19:23:07.833 INFO kablam! 
Nov 01 19:23:07.834 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 19:23:07.834 INFO kablam!   --> src/discovery.rs:87:9
Nov 01 19:23:07.834 INFO kablam!    |
Nov 01 19:23:07.834 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Nov 01 19:23:07.834 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.834 INFO kablam!    |
Nov 01 19:23:07.835 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 19:23:07.835 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 19:23:07.835 INFO kablam! 
Nov 01 19:23:07.835 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 19:23:07.835 INFO kablam!   --> src/discovery.rs:88:9
Nov 01 19:23:07.835 INFO kablam!    |
Nov 01 19:23:07.835 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Nov 01 19:23:07.836 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.836 INFO kablam!    |
Nov 01 19:23:07.836 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 19:23:07.836 INFO kablam! 
Nov 01 19:23:07.908 INFO kablam! warning: unused import: `std::error::Error`
Nov 01 19:23:07.908 INFO kablam!  --> src/discovery.rs:2:5
Nov 01 19:23:07.908 INFO kablam!   |
Nov 01 19:23:07.908 INFO kablam! 2 | use std::error::Error;
Nov 01 19:23:07.908 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.908 INFO kablam!   |
Nov 01 19:23:07.908 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 19:23:07.908 INFO kablam! 
Nov 01 19:23:07.908 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Nov 01 19:23:07.908 INFO kablam!  --> src/discovery.rs:6:5
Nov 01 19:23:07.908 INFO kablam!   |
Nov 01 19:23:07.908 INFO kablam! 6 | use std::io::Result as IoResult;
Nov 01 19:23:07.908 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.908 INFO kablam! 
Nov 01 19:23:07.908 INFO kablam! warning: unused import: `discovery::*`
Nov 01 19:23:07.908 INFO kablam!  --> src/main.rs:4:5
Nov 01 19:23:07.908 INFO kablam!   |
Nov 01 19:23:07.908 INFO kablam! 4 | use discovery::*;
Nov 01 19:23:07.908 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 19:23:07.908 INFO kablam! 
Nov 01 19:23:07.908 INFO kablam! warning: unused import: `SocketAddr`
Nov 01 19:23:07.908 INFO kablam!  --> src/main.rs:5:16
Nov 01 19:23:07.908 INFO kablam!   |
Nov 01 19:23:07.908 INFO kablam! 5 | use std::net::{SocketAddr};
Nov 01 19:23:07.908 INFO kablam!   |                ^^^^^^^^^^
Nov 01 19:23:07.908 INFO kablam! 
Nov 01 19:23:07.976 INFO kablam! warning: unused variable: `buf`
Nov 01 19:23:07.977 INFO kablam!   --> src/discovery.rs:86:17
Nov 01 19:23:07.977 INFO kablam!    |
Nov 01 19:23:07.977 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 01 19:23:07.977 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Nov 01 19:23:07.978 INFO kablam!    |
Nov 01 19:23:07.978 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 19:23:07.978 INFO kablam! 
Nov 01 19:23:07.981 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.981 INFO kablam!   --> src/discovery.rs:16:9
Nov 01 19:23:07.981 INFO kablam!    |
Nov 01 19:23:07.981 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Nov 01 19:23:07.982 INFO kablam!    |         ----^^^^^^
Nov 01 19:23:07.982 INFO kablam!    |         |
Nov 01 19:23:07.982 INFO kablam!    |         help: remove this `mut`
Nov 01 19:23:07.982 INFO kablam!    |
Nov 01 19:23:07.983 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 19:23:07.983 INFO kablam! 
Nov 01 19:23:07.983 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.983 INFO kablam!   --> src/discovery.rs:36:9
Nov 01 19:23:07.984 INFO kablam!    |
Nov 01 19:23:07.984 INFO kablam! 36 |     let mut addr = addr_iter
Nov 01 19:23:07.984 INFO kablam!    |         ----^^^^
Nov 01 19:23:07.984 INFO kablam!    |         |
Nov 01 19:23:07.985 INFO kablam!    |         help: remove this `mut`
Nov 01 19:23:07.985 INFO kablam! 
Nov 01 19:23:07.985 INFO kablam! warning: variable does not need to be mutable
Nov 01 19:23:07.985 INFO kablam!   --> src/discovery.rs:86:13
Nov 01 19:23:07.986 INFO kablam!    |
Nov 01 19:23:07.986 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 01 19:23:07.986 INFO kablam!    |             ----^^^
Nov 01 19:23:07.986 INFO kablam!    |             |
Nov 01 19:23:07.986 INFO kablam!    |             help: remove this `mut`
Nov 01 19:23:07.986 INFO kablam! 
Nov 01 19:23:07.986 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 19:23:07.986 INFO kablam!   --> src/discovery.rs:87:9
Nov 01 19:23:07.986 INFO kablam!    |
Nov 01 19:23:07.986 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Nov 01 19:23:07.986 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.986 INFO kablam!    |
Nov 01 19:23:07.986 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 19:23:07.986 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 19:23:07.986 INFO kablam! 
Nov 01 19:23:07.986 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 19:23:07.986 INFO kablam!   --> src/discovery.rs:88:9
Nov 01 19:23:07.986 INFO kablam!    |
Nov 01 19:23:07.986 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Nov 01 19:23:07.986 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 19:23:07.986 INFO kablam!    |
Nov 01 19:23:07.986 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 19:23:07.986 INFO kablam! 
Nov 01 19:23:08.019 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Nov 01 19:23:08.019 INFO kablam! su: No module specific data is present
Nov 01 19:23:08.424 INFO running `"docker" "rm" "-f" "b63ede1103ddd0c58d93f035fccf108f223e7f741d6be1eb82693af18a3a8387"`
Nov 01 19:23:08.512 INFO blam! b63ede1103ddd0c58d93f035fccf108f223e7f741d6be1eb82693af18a3a8387