Oct 27 18:46:37.276 INFO checking nexrs-0.1.0 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 18:46:37.276 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 27 18:46:37.652 INFO blam! f835e6156b37500259f2a672b3557c5f2f5fb12ef04327e882f9c9ca527750b4
Oct 27 18:46:37.654 INFO running `"docker" "start" "-a" "f835e6156b37500259f2a672b3557c5f2f5fb12ef04327e882f9c9ca527750b4"`
Oct 27 18:46:38.528 INFO kablam! usermod: no changes
Oct 27 18:46:38.558 INFO kablam!     Checking nexrs v0.1.0 (/source)
Oct 27 18:46:39.021 INFO kablam! warning: unused import: `std::error::Error`
Oct 27 18:46:39.021 INFO kablam!  --> src/discovery.rs:2:5
Oct 27 18:46:39.021 INFO kablam!   |
Oct 27 18:46:39.021 INFO kablam! 2 | use std::error::Error;
Oct 27 18:46:39.021 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.021 INFO kablam!   |
Oct 27 18:46:39.021 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 18:46:39.021 INFO kablam! 
Oct 27 18:46:39.021 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Oct 27 18:46:39.021 INFO kablam!  --> src/discovery.rs:6:5
Oct 27 18:46:39.021 INFO kablam!   |
Oct 27 18:46:39.021 INFO kablam! 6 | use std::io::Result as IoResult;
Oct 27 18:46:39.021 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.021 INFO kablam! 
Oct 27 18:46:39.021 INFO kablam! warning: unused import: `discovery::*`
Oct 27 18:46:39.021 INFO kablam!  --> src/main.rs:4:5
Oct 27 18:46:39.021 INFO kablam!   |
Oct 27 18:46:39.021 INFO kablam! 4 | use discovery::*;
Oct 27 18:46:39.021 INFO kablam!   |     ^^^^^^^^^^^^
Oct 27 18:46:39.021 INFO kablam! 
Oct 27 18:46:39.021 INFO kablam! warning: unused import: `SocketAddr`
Oct 27 18:46:39.021 INFO kablam!  --> src/main.rs:5:16
Oct 27 18:46:39.021 INFO kablam!   |
Oct 27 18:46:39.021 INFO kablam! 5 | use std::net::{SocketAddr};
Oct 27 18:46:39.021 INFO kablam!   |                ^^^^^^^^^^
Oct 27 18:46:39.021 INFO kablam! 
Oct 27 18:46:39.074 INFO kablam! warning: unused variable: `buf`
Oct 27 18:46:39.074 INFO kablam!   --> src/discovery.rs:86:17
Oct 27 18:46:39.074 INFO kablam!    |
Oct 27 18:46:39.074 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Oct 27 18:46:39.074 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Oct 27 18:46:39.074 INFO kablam!    |
Oct 27 18:46:39.074 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 18:46:39.074 INFO kablam! 
Oct 27 18:46:39.075 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.075 INFO kablam!   --> src/discovery.rs:16:9
Oct 27 18:46:39.075 INFO kablam!    |
Oct 27 18:46:39.075 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Oct 27 18:46:39.075 INFO kablam!    |         ----^^^^^^
Oct 27 18:46:39.075 INFO kablam!    |         |
Oct 27 18:46:39.075 INFO kablam!    |         help: remove this `mut`
Oct 27 18:46:39.075 INFO kablam!    |
Oct 27 18:46:39.075 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 18:46:39.075 INFO kablam! 
Oct 27 18:46:39.075 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.075 INFO kablam!   --> src/discovery.rs:36:9
Oct 27 18:46:39.075 INFO kablam!    |
Oct 27 18:46:39.075 INFO kablam! 36 |     let mut addr = addr_iter
Oct 27 18:46:39.075 INFO kablam!    |         ----^^^^
Oct 27 18:46:39.075 INFO kablam!    |         |
Oct 27 18:46:39.075 INFO kablam!    |         help: remove this `mut`
Oct 27 18:46:39.075 INFO kablam! 
Oct 27 18:46:39.078 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.078 INFO kablam!   --> src/discovery.rs:86:13
Oct 27 18:46:39.078 INFO kablam!    |
Oct 27 18:46:39.079 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Oct 27 18:46:39.079 INFO kablam!    |             ----^^^
Oct 27 18:46:39.079 INFO kablam!    |             |
Oct 27 18:46:39.079 INFO kablam!    |             help: remove this `mut`
Oct 27 18:46:39.079 INFO kablam! 
Oct 27 18:46:39.079 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 18:46:39.079 INFO kablam!   --> src/discovery.rs:87:9
Oct 27 18:46:39.079 INFO kablam!    |
Oct 27 18:46:39.079 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Oct 27 18:46:39.079 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.079 INFO kablam!    |
Oct 27 18:46:39.079 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 18:46:39.079 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 18:46:39.079 INFO kablam! 
Oct 27 18:46:39.079 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 18:46:39.079 INFO kablam!   --> src/discovery.rs:88:9
Oct 27 18:46:39.079 INFO kablam!    |
Oct 27 18:46:39.080 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Oct 27 18:46:39.080 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.080 INFO kablam!    |
Oct 27 18:46:39.080 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 18:46:39.080 INFO kablam! 
Oct 27 18:46:39.088 INFO kablam! warning: unused import: `std::error::Error`
Oct 27 18:46:39.088 INFO kablam!  --> src/discovery.rs:2:5
Oct 27 18:46:39.089 INFO kablam!   |
Oct 27 18:46:39.089 INFO kablam! 2 | use std::error::Error;
Oct 27 18:46:39.089 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.089 INFO kablam!   |
Oct 27 18:46:39.089 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 18:46:39.089 INFO kablam! 
Oct 27 18:46:39.089 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Oct 27 18:46:39.089 INFO kablam!  --> src/discovery.rs:6:5
Oct 27 18:46:39.089 INFO kablam!   |
Oct 27 18:46:39.089 INFO kablam! 6 | use std::io::Result as IoResult;
Oct 27 18:46:39.089 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.089 INFO kablam! 
Oct 27 18:46:39.089 INFO kablam! warning: unused import: `discovery::*`
Oct 27 18:46:39.089 INFO kablam!  --> src/main.rs:4:5
Oct 27 18:46:39.089 INFO kablam!   |
Oct 27 18:46:39.089 INFO kablam! 4 | use discovery::*;
Oct 27 18:46:39.089 INFO kablam!   |     ^^^^^^^^^^^^
Oct 27 18:46:39.089 INFO kablam! 
Oct 27 18:46:39.089 INFO kablam! warning: unused import: `SocketAddr`
Oct 27 18:46:39.089 INFO kablam!  --> src/main.rs:5:16
Oct 27 18:46:39.090 INFO kablam!   |
Oct 27 18:46:39.091 INFO kablam! 5 | use std::net::{SocketAddr};
Oct 27 18:46:39.091 INFO kablam!   |                ^^^^^^^^^^
Oct 27 18:46:39.091 INFO kablam! 
Oct 27 18:46:39.141 INFO kablam! warning: unused variable: `buf`
Oct 27 18:46:39.141 INFO kablam!   --> src/discovery.rs:86:17
Oct 27 18:46:39.141 INFO kablam!    |
Oct 27 18:46:39.142 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Oct 27 18:46:39.142 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Oct 27 18:46:39.143 INFO kablam!    |
Oct 27 18:46:39.143 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 18:46:39.143 INFO kablam! 
Oct 27 18:46:39.145 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.145 INFO kablam!   --> src/discovery.rs:16:9
Oct 27 18:46:39.145 INFO kablam!    |
Oct 27 18:46:39.145 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Oct 27 18:46:39.145 INFO kablam!    |         ----^^^^^^
Oct 27 18:46:39.145 INFO kablam!    |         |
Oct 27 18:46:39.145 INFO kablam!    |         help: remove this `mut`
Oct 27 18:46:39.145 INFO kablam!    |
Oct 27 18:46:39.145 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 18:46:39.145 INFO kablam! 
Oct 27 18:46:39.145 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.145 INFO kablam!   --> src/discovery.rs:36:9
Oct 27 18:46:39.145 INFO kablam!    |
Oct 27 18:46:39.145 INFO kablam! 36 |     let mut addr = addr_iter
Oct 27 18:46:39.145 INFO kablam!    |         ----^^^^
Oct 27 18:46:39.145 INFO kablam!    |         |
Oct 27 18:46:39.145 INFO kablam!    |         help: remove this `mut`
Oct 27 18:46:39.145 INFO kablam! 
Oct 27 18:46:39.149 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.149 INFO kablam!   --> src/discovery.rs:86:13
Oct 27 18:46:39.149 INFO kablam!    |
Oct 27 18:46:39.149 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Oct 27 18:46:39.149 INFO kablam!    |             ----^^^
Oct 27 18:46:39.149 INFO kablam!    |             |
Oct 27 18:46:39.149 INFO kablam!    |             help: remove this `mut`
Oct 27 18:46:39.149 INFO kablam! 
Oct 27 18:46:39.150 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 18:46:39.150 INFO kablam!   --> src/discovery.rs:87:9
Oct 27 18:46:39.150 INFO kablam!    |
Oct 27 18:46:39.150 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Oct 27 18:46:39.150 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.150 INFO kablam!    |
Oct 27 18:46:39.150 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 18:46:39.150 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 18:46:39.150 INFO kablam! 
Oct 27 18:46:39.151 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 18:46:39.151 INFO kablam!   --> src/discovery.rs:88:9
Oct 27 18:46:39.151 INFO kablam!    |
Oct 27 18:46:39.151 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Oct 27 18:46:39.151 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.151 INFO kablam!    |
Oct 27 18:46:39.151 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 18:46:39.151 INFO kablam! 
Oct 27 18:46:39.168 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Oct 27 18:46:39.172 INFO kablam! su: No module specific data is present
Oct 27 18:46:39.627 INFO running `"docker" "rm" "-f" "f835e6156b37500259f2a672b3557c5f2f5fb12ef04327e882f9c9ca527750b4"`
Oct 27 18:46:39.682 INFO blam! f835e6156b37500259f2a672b3557c5f2f5fb12ef04327e882f9c9ca527750b4