Sep 19 23:41:38.945 INFO checking nexrs-0.1.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 23:41:38.945 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 23:41:38.945 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-7/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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=1000" "-e" "CMD=cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:41:39.096 INFO blam! 6aed5d85e085f9988ef3750032f58e8c148a9251a9bb8854f25b722f538fd448
Sep 19 23:41:39.099 INFO running `"docker" "start" "-a" "6aed5d85e085f9988ef3750032f58e8c148a9251a9bb8854f25b722f538fd448"`
Sep 19 23:41:40.200 INFO kablam! usermod: no changes
Sep 19 23:41:40.233 INFO kablam!     Checking nexrs v0.1.0 (/source)
Sep 19 23:41:40.474 INFO kablam! warning: unused import: `std::error::Error`
Sep 19 23:41:40.474 INFO kablam!  --> src/discovery.rs:2:5
Sep 19 23:41:40.474 INFO kablam!   |
Sep 19 23:41:40.474 INFO kablam! 2 | use std::error::Error;
Sep 19 23:41:40.474 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.474 INFO kablam!   |
Sep 19 23:41:40.474 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 23:41:40.474 INFO kablam! 
Sep 19 23:41:40.474 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 19 23:41:40.474 INFO kablam!  --> src/discovery.rs:6:5
Sep 19 23:41:40.474 INFO kablam!   |
Sep 19 23:41:40.474 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 19 23:41:40.474 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.474 INFO kablam! 
Sep 19 23:41:40.474 INFO kablam! warning: unused import: `discovery::*`
Sep 19 23:41:40.474 INFO kablam!  --> src/main.rs:4:5
Sep 19 23:41:40.474 INFO kablam!   |
Sep 19 23:41:40.474 INFO kablam! 4 | use discovery::*;
Sep 19 23:41:40.474 INFO kablam!   |     ^^^^^^^^^^^^
Sep 19 23:41:40.474 INFO kablam! 
Sep 19 23:41:40.474 INFO kablam! warning: unused import: `SocketAddr`
Sep 19 23:41:40.474 INFO kablam!  --> src/main.rs:5:16
Sep 19 23:41:40.474 INFO kablam!   |
Sep 19 23:41:40.474 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 19 23:41:40.474 INFO kablam!   |                ^^^^^^^^^^
Sep 19 23:41:40.474 INFO kablam! 
Sep 19 23:41:40.493 INFO kablam! warning: unused import: `std::error::Error`
Sep 19 23:41:40.493 INFO kablam!  --> src/discovery.rs:2:5
Sep 19 23:41:40.493 INFO kablam!   |
Sep 19 23:41:40.493 INFO kablam! 2 | use std::error::Error;
Sep 19 23:41:40.493 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.493 INFO kablam!   |
Sep 19 23:41:40.493 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 23:41:40.493 INFO kablam! 
Sep 19 23:41:40.493 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Sep 19 23:41:40.493 INFO kablam!  --> src/discovery.rs:6:5
Sep 19 23:41:40.493 INFO kablam!   |
Sep 19 23:41:40.493 INFO kablam! 6 | use std::io::Result as IoResult;
Sep 19 23:41:40.493 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.493 INFO kablam! 
Sep 19 23:41:40.493 INFO kablam! warning: unused import: `discovery::*`
Sep 19 23:41:40.493 INFO kablam!  --> src/main.rs:4:5
Sep 19 23:41:40.493 INFO kablam!   |
Sep 19 23:41:40.493 INFO kablam! 4 | use discovery::*;
Sep 19 23:41:40.493 INFO kablam!   |     ^^^^^^^^^^^^
Sep 19 23:41:40.493 INFO kablam! 
Sep 19 23:41:40.498 INFO kablam! warning: unused import: `SocketAddr`
Sep 19 23:41:40.498 INFO kablam!  --> src/main.rs:5:16
Sep 19 23:41:40.498 INFO kablam!   |
Sep 19 23:41:40.498 INFO kablam! 5 | use std::net::{SocketAddr};
Sep 19 23:41:40.498 INFO kablam!   |                ^^^^^^^^^^
Sep 19 23:41:40.498 INFO kablam! 
Sep 19 23:41:40.533 INFO kablam! warning: unused variable: `buf`
Sep 19 23:41:40.534 INFO kablam!   --> src/discovery.rs:86:17
Sep 19 23:41:40.534 INFO kablam!    |
Sep 19 23:41:40.534 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 23:41:40.534 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 19 23:41:40.534 INFO kablam!    |
Sep 19 23:41:40.534 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 23:41:40.534 INFO kablam! 
Sep 19 23:41:40.540 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.540 INFO kablam!   --> src/discovery.rs:16:9
Sep 19 23:41:40.540 INFO kablam!    |
Sep 19 23:41:40.540 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 19 23:41:40.540 INFO kablam!    |         ----^^^^^^
Sep 19 23:41:40.540 INFO kablam!    |         |
Sep 19 23:41:40.540 INFO kablam!    |         help: remove this `mut`
Sep 19 23:41:40.540 INFO kablam!    |
Sep 19 23:41:40.540 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 23:41:40.540 INFO kablam! 
Sep 19 23:41:40.542 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.542 INFO kablam!   --> src/discovery.rs:36:9
Sep 19 23:41:40.542 INFO kablam!    |
Sep 19 23:41:40.542 INFO kablam! 36 |     let mut addr = addr_iter
Sep 19 23:41:40.542 INFO kablam!    |         ----^^^^
Sep 19 23:41:40.542 INFO kablam!    |         |
Sep 19 23:41:40.542 INFO kablam!    |         help: remove this `mut`
Sep 19 23:41:40.542 INFO kablam! 
Sep 19 23:41:40.545 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.545 INFO kablam!   --> src/discovery.rs:86:13
Sep 19 23:41:40.545 INFO kablam!    |
Sep 19 23:41:40.545 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 23:41:40.545 INFO kablam!    |             ----^^^
Sep 19 23:41:40.545 INFO kablam!    |             |
Sep 19 23:41:40.545 INFO kablam!    |             help: remove this `mut`
Sep 19 23:41:40.545 INFO kablam! 
Sep 19 23:41:40.545 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 23:41:40.545 INFO kablam!   --> src/discovery.rs:87:9
Sep 19 23:41:40.545 INFO kablam!    |
Sep 19 23:41:40.545 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 19 23:41:40.545 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.545 INFO kablam!    |
Sep 19 23:41:40.545 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 19 23:41:40.545 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 23:41:40.545 INFO kablam! 
Sep 19 23:41:40.545 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 23:41:40.545 INFO kablam!   --> src/discovery.rs:88:9
Sep 19 23:41:40.545 INFO kablam!    |
Sep 19 23:41:40.545 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 19 23:41:40.545 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.545 INFO kablam!    |
Sep 19 23:41:40.546 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 23:41:40.546 INFO kablam! 
Sep 19 23:41:40.563 INFO kablam! warning: unused variable: `buf`
Sep 19 23:41:40.563 INFO kablam!   --> src/discovery.rs:86:17
Sep 19 23:41:40.563 INFO kablam!    |
Sep 19 23:41:40.563 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 23:41:40.563 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Sep 19 23:41:40.563 INFO kablam!    |
Sep 19 23:41:40.563 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 19 23:41:40.563 INFO kablam! 
Sep 19 23:41:40.568 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.568 INFO kablam!   --> src/discovery.rs:16:9
Sep 19 23:41:40.568 INFO kablam!    |
Sep 19 23:41:40.568 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Sep 19 23:41:40.568 INFO kablam!    |         ----^^^^^^
Sep 19 23:41:40.568 INFO kablam!    |         |
Sep 19 23:41:40.568 INFO kablam!    |         help: remove this `mut`
Sep 19 23:41:40.568 INFO kablam!    |
Sep 19 23:41:40.568 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 23:41:40.568 INFO kablam! 
Sep 19 23:41:40.568 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.568 INFO kablam!   --> src/discovery.rs:36:9
Sep 19 23:41:40.568 INFO kablam!    |
Sep 19 23:41:40.568 INFO kablam! 36 |     let mut addr = addr_iter
Sep 19 23:41:40.568 INFO kablam!    |         ----^^^^
Sep 19 23:41:40.568 INFO kablam!    |         |
Sep 19 23:41:40.568 INFO kablam!    |         help: remove this `mut`
Sep 19 23:41:40.569 INFO kablam! 
Sep 19 23:41:40.572 INFO kablam! warning: variable does not need to be mutable
Sep 19 23:41:40.572 INFO kablam!   --> src/discovery.rs:86:13
Sep 19 23:41:40.572 INFO kablam!    |
Sep 19 23:41:40.572 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Sep 19 23:41:40.572 INFO kablam!    |             ----^^^
Sep 19 23:41:40.572 INFO kablam!    |             |
Sep 19 23:41:40.572 INFO kablam!    |             help: remove this `mut`
Sep 19 23:41:40.572 INFO kablam! 
Sep 19 23:41:40.573 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 23:41:40.573 INFO kablam!   --> src/discovery.rs:87:9
Sep 19 23:41:40.573 INFO kablam!    |
Sep 19 23:41:40.573 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Sep 19 23:41:40.573 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.573 INFO kablam!    |
Sep 19 23:41:40.573 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 19 23:41:40.573 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 23:41:40.573 INFO kablam! 
Sep 19 23:41:40.573 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 23:41:40.573 INFO kablam!   --> src/discovery.rs:88:9
Sep 19 23:41:40.573 INFO kablam!    |
Sep 19 23:41:40.573 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Sep 19 23:41:40.573 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 23:41:40.573 INFO kablam!    |
Sep 19 23:41:40.573 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 23:41:40.573 INFO kablam! 
Sep 19 23:41:40.589 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Sep 19 23:41:40.591 INFO kablam! su: No module specific data is present
Sep 19 23:41:41.073 INFO running `"docker" "rm" "-f" "6aed5d85e085f9988ef3750032f58e8c148a9251a9bb8854f25b722f538fd448"`
Sep 19 23:41:41.214 INFO blam! 6aed5d85e085f9988ef3750032f58e8c148a9251a9bb8854f25b722f538fd448