Dec 15 03:40:50.280 INFO testing nexrs-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 03:40:50.280 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 15 03:40:50.466 INFO [stdout] dd76244efc8b35c05f63e21b958f78344e321882778e7b332c2cd05e52ae7813
Dec 15 03:40:50.466 INFO running `"docker" "start" "-a" "dd76244efc8b35c05f63e21b958f78344e321882778e7b332c2cd05e52ae7813"`
Dec 15 03:40:50.961 INFO [stderr] usermod: no changes
Dec 15 03:40:50.984 INFO [stderr]    Compiling nexrs v0.1.0 (/source)
Dec 15 03:40:51.398 INFO [stderr] warning: unused import: `std::error::Error`
Dec 15 03:40:51.398 INFO [stderr]  --> src/discovery.rs:2:5
Dec 15 03:40:51.398 INFO [stderr]   |
Dec 15 03:40:51.398 INFO [stderr] 2 | use std::error::Error;
Dec 15 03:40:51.398 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 15 03:40:51.398 INFO [stderr]   |
Dec 15 03:40:51.398 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 03:40:51.398 INFO [stderr] 
Dec 15 03:40:51.398 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Dec 15 03:40:51.398 INFO [stderr]  --> src/discovery.rs:6:5
Dec 15 03:40:51.398 INFO [stderr]   |
Dec 15 03:40:51.398 INFO [stderr] 6 | use std::io::Result as IoResult;
Dec 15 03:40:51.398 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:51.398 INFO [stderr] 
Dec 15 03:40:51.398 INFO [stderr] warning: unused import: `discovery::*`
Dec 15 03:40:51.398 INFO [stderr]  --> src/main.rs:4:5
Dec 15 03:40:51.398 INFO [stderr]   |
Dec 15 03:40:51.398 INFO [stderr] 4 | use discovery::*;
Dec 15 03:40:51.398 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 15 03:40:51.398 INFO [stderr] 
Dec 15 03:40:51.398 INFO [stderr] warning: unused import: `SocketAddr`
Dec 15 03:40:51.398 INFO [stderr]  --> src/main.rs:5:16
Dec 15 03:40:51.398 INFO [stderr]   |
Dec 15 03:40:51.398 INFO [stderr] 5 | use std::net::{SocketAddr};
Dec 15 03:40:51.398 INFO [stderr]   |                ^^^^^^^^^^
Dec 15 03:40:51.398 INFO [stderr] 
Dec 15 03:40:51.448 INFO [stderr] warning: unused variable: `buf`
Dec 15 03:40:51.448 INFO [stderr]   --> src/discovery.rs:86:17
Dec 15 03:40:51.448 INFO [stderr]    |
Dec 15 03:40:51.448 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 15 03:40:51.448 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Dec 15 03:40:51.448 INFO [stderr]    |
Dec 15 03:40:51.448 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 03:40:51.448 INFO [stderr] 
Dec 15 03:40:51.451 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:51.451 INFO [stderr]   --> src/discovery.rs:16:9
Dec 15 03:40:51.451 INFO [stderr]    |
Dec 15 03:40:51.451 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Dec 15 03:40:51.451 INFO [stderr]    |         ----^^^^^^
Dec 15 03:40:51.451 INFO [stderr]    |         |
Dec 15 03:40:51.451 INFO [stderr]    |         help: remove this `mut`
Dec 15 03:40:51.451 INFO [stderr]    |
Dec 15 03:40:51.451 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 03:40:51.451 INFO [stderr] 
Dec 15 03:40:51.451 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:51.451 INFO [stderr]   --> src/discovery.rs:36:9
Dec 15 03:40:51.451 INFO [stderr]    |
Dec 15 03:40:51.452 INFO [stderr] 36 |     let mut addr = addr_iter
Dec 15 03:40:51.452 INFO [stderr]    |         ----^^^^
Dec 15 03:40:51.452 INFO [stderr]    |         |
Dec 15 03:40:51.452 INFO [stderr]    |         help: remove this `mut`
Dec 15 03:40:51.452 INFO [stderr] 
Dec 15 03:40:51.455 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:51.455 INFO [stderr]   --> src/discovery.rs:86:13
Dec 15 03:40:51.455 INFO [stderr]    |
Dec 15 03:40:51.455 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 15 03:40:51.455 INFO [stderr]    |             ----^^^
Dec 15 03:40:51.455 INFO [stderr]    |             |
Dec 15 03:40:51.455 INFO [stderr]    |             help: remove this `mut`
Dec 15 03:40:51.455 INFO [stderr] 
Dec 15 03:40:51.457 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:40:51.457 INFO [stderr]   --> src/discovery.rs:87:9
Dec 15 03:40:51.457 INFO [stderr]    |
Dec 15 03:40:51.457 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Dec 15 03:40:51.457 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:51.457 INFO [stderr]    |
Dec 15 03:40:51.457 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 03:40:51.457 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:40:51.457 INFO [stderr] 
Dec 15 03:40:51.457 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:40:51.457 INFO [stderr]   --> src/discovery.rs:88:9
Dec 15 03:40:51.457 INFO [stderr]    |
Dec 15 03:40:51.457 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Dec 15 03:40:51.457 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:51.457 INFO [stderr]    |
Dec 15 03:40:51.457 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:40:51.457 INFO [stderr] 
Dec 15 03:40:51.919 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 15 03:40:51.922 INFO [stderr] su: No module specific data is present
Dec 15 03:40:52.238 INFO running `"docker" "inspect" "dd76244efc8b35c05f63e21b958f78344e321882778e7b332c2cd05e52ae7813"`
Dec 15 03:40:52.292 INFO running `"docker" "rm" "-f" "dd76244efc8b35c05f63e21b958f78344e321882778e7b332c2cd05e52ae7813"`
Dec 15 03:40:52.392 INFO [stdout] dd76244efc8b35c05f63e21b958f78344e321882778e7b332c2cd05e52ae7813
Dec 15 03:40:52.403 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 15 03:40:52.636 INFO [stdout] 2e676f308529e1765b427de97b09962f4931aa32502edccd5a52a099f12dc3af
Dec 15 03:40:52.639 INFO running `"docker" "start" "-a" "2e676f308529e1765b427de97b09962f4931aa32502edccd5a52a099f12dc3af"`
Dec 15 03:40:53.003 INFO [stderr] usermod: no changes
Dec 15 03:40:53.039 INFO [stderr]    Compiling nexrs v0.1.0 (/source)
Dec 15 03:40:53.518 INFO [stderr] warning: unused import: `std::error::Error`
Dec 15 03:40:53.518 INFO [stderr]  --> src/discovery.rs:2:5
Dec 15 03:40:53.518 INFO [stderr]   |
Dec 15 03:40:53.518 INFO [stderr] 2 | use std::error::Error;
Dec 15 03:40:53.518 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 15 03:40:53.518 INFO [stderr]   |
Dec 15 03:40:53.518 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 03:40:53.518 INFO [stderr] 
Dec 15 03:40:53.518 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Dec 15 03:40:53.518 INFO [stderr]  --> src/discovery.rs:6:5
Dec 15 03:40:53.518 INFO [stderr]   |
Dec 15 03:40:53.518 INFO [stderr] 6 | use std::io::Result as IoResult;
Dec 15 03:40:53.518 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:53.518 INFO [stderr] 
Dec 15 03:40:53.518 INFO [stderr] warning: unused import: `discovery::*`
Dec 15 03:40:53.518 INFO [stderr]  --> src/main.rs:4:5
Dec 15 03:40:53.518 INFO [stderr]   |
Dec 15 03:40:53.518 INFO [stderr] 4 | use discovery::*;
Dec 15 03:40:53.518 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 15 03:40:53.518 INFO [stderr] 
Dec 15 03:40:53.518 INFO [stderr] warning: unused import: `SocketAddr`
Dec 15 03:40:53.518 INFO [stderr]  --> src/main.rs:5:16
Dec 15 03:40:53.518 INFO [stderr]   |
Dec 15 03:40:53.518 INFO [stderr] 5 | use std::net::{SocketAddr};
Dec 15 03:40:53.518 INFO [stderr]   |                ^^^^^^^^^^
Dec 15 03:40:53.518 INFO [stderr] 
Dec 15 03:40:53.563 INFO [stderr] warning: unused variable: `buf`
Dec 15 03:40:53.564 INFO [stderr]   --> src/discovery.rs:86:17
Dec 15 03:40:53.564 INFO [stderr]    |
Dec 15 03:40:53.564 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 15 03:40:53.564 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Dec 15 03:40:53.564 INFO [stderr]    |
Dec 15 03:40:53.564 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 03:40:53.564 INFO [stderr] 
Dec 15 03:40:53.572 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:53.572 INFO [stderr]   --> src/discovery.rs:16:9
Dec 15 03:40:53.572 INFO [stderr]    |
Dec 15 03:40:53.572 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Dec 15 03:40:53.572 INFO [stderr]    |         ----^^^^^^
Dec 15 03:40:53.572 INFO [stderr]    |         |
Dec 15 03:40:53.572 INFO [stderr]    |         help: remove this `mut`
Dec 15 03:40:53.572 INFO [stderr]    |
Dec 15 03:40:53.572 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 03:40:53.572 INFO [stderr] 
Dec 15 03:40:53.572 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:53.572 INFO [stderr]   --> src/discovery.rs:36:9
Dec 15 03:40:53.572 INFO [stderr]    |
Dec 15 03:40:53.572 INFO [stderr] 36 |     let mut addr = addr_iter
Dec 15 03:40:53.572 INFO [stderr]    |         ----^^^^
Dec 15 03:40:53.572 INFO [stderr]    |         |
Dec 15 03:40:53.572 INFO [stderr]    |         help: remove this `mut`
Dec 15 03:40:53.572 INFO [stderr] 
Dec 15 03:40:53.577 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:53.577 INFO [stderr]   --> src/discovery.rs:86:13
Dec 15 03:40:53.577 INFO [stderr]    |
Dec 15 03:40:53.577 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 15 03:40:53.577 INFO [stderr]    |             ----^^^
Dec 15 03:40:53.577 INFO [stderr]    |             |
Dec 15 03:40:53.577 INFO [stderr]    |             help: remove this `mut`
Dec 15 03:40:53.577 INFO [stderr] 
Dec 15 03:40:53.578 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:40:53.578 INFO [stderr]   --> src/discovery.rs:87:9
Dec 15 03:40:53.578 INFO [stderr]    |
Dec 15 03:40:53.578 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Dec 15 03:40:53.578 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:53.578 INFO [stderr]    |
Dec 15 03:40:53.578 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 03:40:53.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:40:53.578 INFO [stderr] 
Dec 15 03:40:53.578 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:40:53.578 INFO [stderr]   --> src/discovery.rs:88:9
Dec 15 03:40:53.578 INFO [stderr]    |
Dec 15 03:40:53.578 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Dec 15 03:40:53.578 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:53.578 INFO [stderr]    |
Dec 15 03:40:53.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:40:53.578 INFO [stderr] 
Dec 15 03:40:53.785 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 15 03:40:53.788 INFO [stderr] su: No module specific data is present
Dec 15 03:40:54.095 INFO running `"docker" "inspect" "2e676f308529e1765b427de97b09962f4931aa32502edccd5a52a099f12dc3af"`
Dec 15 03:40:54.324 INFO running `"docker" "rm" "-f" "2e676f308529e1765b427de97b09962f4931aa32502edccd5a52a099f12dc3af"`
Dec 15 03:40:54.686 INFO [stdout] 2e676f308529e1765b427de97b09962f4931aa32502edccd5a52a099f12dc3af
Dec 15 03:40:54.693 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 15 03:40:55.150 INFO [stdout] eaeeb1a7475722d9ce76ea8d44deebd35c5e3dc65090f4c28c9878526731bf25
Dec 15 03:40:55.156 INFO running `"docker" "start" "-a" "eaeeb1a7475722d9ce76ea8d44deebd35c5e3dc65090f4c28c9878526731bf25"`
Dec 15 03:40:56.185 INFO [stderr] usermod: no changes
Dec 15 03:40:56.237 INFO [stdout] 
Dec 15 03:40:56.237 INFO [stdout] running 0 tests
Dec 15 03:40:56.237 INFO [stdout] 
Dec 15 03:40:56.237 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 03:40:56.237 INFO [stdout] 
Dec 15 03:40:56.238 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 15 03:40:56.238 INFO [stderr]      Running /target/debug/deps/nexrs-586ea5e4b2fc622d
Dec 15 03:40:56.243 INFO [stderr] su: No module specific data is present
Dec 15 03:40:56.863 INFO running `"docker" "inspect" "eaeeb1a7475722d9ce76ea8d44deebd35c5e3dc65090f4c28c9878526731bf25"`
Dec 15 03:40:57.005 INFO running `"docker" "rm" "-f" "eaeeb1a7475722d9ce76ea8d44deebd35c5e3dc65090f4c28c9878526731bf25"`
Dec 15 03:40:57.134 INFO [stdout] eaeeb1a7475722d9ce76ea8d44deebd35c5e3dc65090f4c28c9878526731bf25