Dec 07 06:16:13.685 INFO testing nexrs-0.1.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 06:16:13.685 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 06:16:13.903 INFO [stdout] 20b98757479e62ae2c60b3de47fe61d4c3f596b841cdf3984fec43c7103e7464
Dec 07 06:16:13.906 INFO running `"docker" "start" "-a" "20b98757479e62ae2c60b3de47fe61d4c3f596b841cdf3984fec43c7103e7464"`
Dec 07 06:16:14.468 INFO [stderr] usermod: no changes
Dec 07 06:16:14.504 INFO [stderr]    Compiling nexrs v0.1.0 (/source)
Dec 07 06:16:14.836 INFO [stderr] warning: unused import: `std::error::Error`
Dec 07 06:16:14.836 INFO [stderr]  --> src/discovery.rs:2:5
Dec 07 06:16:14.836 INFO [stderr]   |
Dec 07 06:16:14.836 INFO [stderr] 2 | use std::error::Error;
Dec 07 06:16:14.836 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 07 06:16:14.836 INFO [stderr]   |
Dec 07 06:16:14.836 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 06:16:14.836 INFO [stderr] 
Dec 07 06:16:14.836 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Dec 07 06:16:14.836 INFO [stderr]  --> src/discovery.rs:6:5
Dec 07 06:16:14.836 INFO [stderr]   |
Dec 07 06:16:14.836 INFO [stderr] 6 | use std::io::Result as IoResult;
Dec 07 06:16:14.836 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 06:16:14.836 INFO [stderr] 
Dec 07 06:16:14.840 INFO [stderr] warning: unused import: `discovery::*`
Dec 07 06:16:14.840 INFO [stderr]  --> src/main.rs:4:5
Dec 07 06:16:14.840 INFO [stderr]   |
Dec 07 06:16:14.840 INFO [stderr] 4 | use discovery::*;
Dec 07 06:16:14.840 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 07 06:16:14.840 INFO [stderr] 
Dec 07 06:16:14.840 INFO [stderr] warning: unused import: `SocketAddr`
Dec 07 06:16:14.840 INFO [stderr]  --> src/main.rs:5:16
Dec 07 06:16:14.840 INFO [stderr]   |
Dec 07 06:16:14.840 INFO [stderr] 5 | use std::net::{SocketAddr};
Dec 07 06:16:14.841 INFO [stderr]   |                ^^^^^^^^^^
Dec 07 06:16:14.841 INFO [stderr] 
Dec 07 06:16:14.881 INFO [stderr] warning: unused variable: `buf`
Dec 07 06:16:14.881 INFO [stderr]   --> src/discovery.rs:86:17
Dec 07 06:16:14.881 INFO [stderr]    |
Dec 07 06:16:14.881 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 07 06:16:14.882 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Dec 07 06:16:14.882 INFO [stderr]    |
Dec 07 06:16:14.882 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 06:16:14.882 INFO [stderr] 
Dec 07 06:16:14.897 INFO [stderr] warning: variable does not need to be mutable
Dec 07 06:16:14.897 INFO [stderr]   --> src/discovery.rs:16:9
Dec 07 06:16:14.897 INFO [stderr]    |
Dec 07 06:16:14.897 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Dec 07 06:16:14.897 INFO [stderr]    |         ----^^^^^^
Dec 07 06:16:14.897 INFO [stderr]    |         |
Dec 07 06:16:14.897 INFO [stderr]    |         help: remove this `mut`
Dec 07 06:16:14.897 INFO [stderr]    |
Dec 07 06:16:14.897 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 06:16:14.897 INFO [stderr] 
Dec 07 06:16:14.897 INFO [stderr] warning: variable does not need to be mutable
Dec 07 06:16:14.897 INFO [stderr]   --> src/discovery.rs:36:9
Dec 07 06:16:14.897 INFO [stderr]    |
Dec 07 06:16:14.897 INFO [stderr] 36 |     let mut addr = addr_iter
Dec 07 06:16:14.897 INFO [stderr]    |         ----^^^^
Dec 07 06:16:14.897 INFO [stderr]    |         |
Dec 07 06:16:14.897 INFO [stderr]    |         help: remove this `mut`
Dec 07 06:16:14.897 INFO [stderr] 
Dec 07 06:16:14.897 INFO [stderr] warning: variable does not need to be mutable
Dec 07 06:16:14.897 INFO [stderr]   --> src/discovery.rs:86:13
Dec 07 06:16:14.897 INFO [stderr]    |
Dec 07 06:16:14.897 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 07 06:16:14.897 INFO [stderr]    |             ----^^^
Dec 07 06:16:14.897 INFO [stderr]    |             |
Dec 07 06:16:14.897 INFO [stderr]    |             help: remove this `mut`
Dec 07 06:16:14.897 INFO [stderr] 
Dec 07 06:16:14.897 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 06:16:14.897 INFO [stderr]   --> src/discovery.rs:87:9
Dec 07 06:16:14.897 INFO [stderr]    |
Dec 07 06:16:14.897 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Dec 07 06:16:14.897 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 06:16:14.897 INFO [stderr]    |
Dec 07 06:16:14.897 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 06:16:14.897 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 06:16:14.897 INFO [stderr] 
Dec 07 06:16:14.897 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 06:16:14.897 INFO [stderr]   --> src/discovery.rs:88:9
Dec 07 06:16:14.897 INFO [stderr]    |
Dec 07 06:16:14.897 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Dec 07 06:16:14.897 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 06:16:14.897 INFO [stderr]    |
Dec 07 06:16:14.897 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 06:16:14.897 INFO [stderr] 
Dec 07 06:16:15.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 07 06:16:15.403 INFO [stderr] su: No module specific data is present
Dec 07 06:16:15.733 INFO running `"docker" "inspect" "20b98757479e62ae2c60b3de47fe61d4c3f596b841cdf3984fec43c7103e7464"`
Dec 07 06:16:15.918 INFO running `"docker" "rm" "-f" "20b98757479e62ae2c60b3de47fe61d4c3f596b841cdf3984fec43c7103e7464"`
Dec 07 06:16:16.040 INFO [stdout] 20b98757479e62ae2c60b3de47fe61d4c3f596b841cdf3984fec43c7103e7464
Dec 07 06:16:16.042 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 06:16:16.281 INFO [stdout] 37fbd821c8fec5021dac9c6c9b662249b348c3f1de18df9191c824986d3ecacb
Dec 07 06:16:16.283 INFO running `"docker" "start" "-a" "37fbd821c8fec5021dac9c6c9b662249b348c3f1de18df9191c824986d3ecacb"`
Dec 07 06:16:16.929 INFO [stderr] usermod: no changes
Dec 07 06:16:16.955 INFO [stderr]    Compiling nexrs v0.1.0 (/source)
Dec 07 06:16:17.276 INFO [stderr] warning: unused import: `std::error::Error`
Dec 07 06:16:17.276 INFO [stderr]  --> src/discovery.rs:2:5
Dec 07 06:16:17.276 INFO [stderr]   |
Dec 07 06:16:17.276 INFO [stderr] 2 | use std::error::Error;
Dec 07 06:16:17.276 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 07 06:16:17.276 INFO [stderr]   |
Dec 07 06:16:17.276 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 06:16:17.276 INFO [stderr] 
Dec 07 06:16:17.276 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Dec 07 06:16:17.276 INFO [stderr]  --> src/discovery.rs:6:5
Dec 07 06:16:17.276 INFO [stderr]   |
Dec 07 06:16:17.276 INFO [stderr] 6 | use std::io::Result as IoResult;
Dec 07 06:16:17.276 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 06:16:17.276 INFO [stderr] 
Dec 07 06:16:17.279 INFO [stderr] warning: unused import: `discovery::*`
Dec 07 06:16:17.279 INFO [stderr]  --> src/main.rs:4:5
Dec 07 06:16:17.279 INFO [stderr]   |
Dec 07 06:16:17.279 INFO [stderr] 4 | use discovery::*;
Dec 07 06:16:17.279 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 07 06:16:17.279 INFO [stderr] 
Dec 07 06:16:17.279 INFO [stderr] warning: unused import: `SocketAddr`
Dec 07 06:16:17.279 INFO [stderr]  --> src/main.rs:5:16
Dec 07 06:16:17.279 INFO [stderr]   |
Dec 07 06:16:17.279 INFO [stderr] 5 | use std::net::{SocketAddr};
Dec 07 06:16:17.279 INFO [stderr]   |                ^^^^^^^^^^
Dec 07 06:16:17.279 INFO [stderr] 
Dec 07 06:16:17.332 INFO [stderr] warning: unused variable: `buf`
Dec 07 06:16:17.332 INFO [stderr]   --> src/discovery.rs:86:17
Dec 07 06:16:17.332 INFO [stderr]    |
Dec 07 06:16:17.332 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 07 06:16:17.332 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Dec 07 06:16:17.332 INFO [stderr]    |
Dec 07 06:16:17.332 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 06:16:17.332 INFO [stderr] 
Dec 07 06:16:17.340 INFO [stderr] warning: variable does not need to be mutable
Dec 07 06:16:17.340 INFO [stderr]   --> src/discovery.rs:16:9
Dec 07 06:16:17.340 INFO [stderr]    |
Dec 07 06:16:17.340 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Dec 07 06:16:17.340 INFO [stderr]    |         ----^^^^^^
Dec 07 06:16:17.340 INFO [stderr]    |         |
Dec 07 06:16:17.340 INFO [stderr]    |         help: remove this `mut`
Dec 07 06:16:17.340 INFO [stderr]    |
Dec 07 06:16:17.340 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 06:16:17.340 INFO [stderr] 
Dec 07 06:16:17.340 INFO [stderr] warning: variable does not need to be mutable
Dec 07 06:16:17.340 INFO [stderr]   --> src/discovery.rs:36:9
Dec 07 06:16:17.340 INFO [stderr]    |
Dec 07 06:16:17.340 INFO [stderr] 36 |     let mut addr = addr_iter
Dec 07 06:16:17.340 INFO [stderr]    |         ----^^^^
Dec 07 06:16:17.340 INFO [stderr]    |         |
Dec 07 06:16:17.340 INFO [stderr]    |         help: remove this `mut`
Dec 07 06:16:17.340 INFO [stderr] 
Dec 07 06:16:17.345 INFO [stderr] warning: variable does not need to be mutable
Dec 07 06:16:17.345 INFO [stderr]   --> src/discovery.rs:86:13
Dec 07 06:16:17.345 INFO [stderr]    |
Dec 07 06:16:17.345 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 07 06:16:17.345 INFO [stderr]    |             ----^^^
Dec 07 06:16:17.345 INFO [stderr]    |             |
Dec 07 06:16:17.345 INFO [stderr]    |             help: remove this `mut`
Dec 07 06:16:17.345 INFO [stderr] 
Dec 07 06:16:17.345 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 06:16:17.345 INFO [stderr]   --> src/discovery.rs:87:9
Dec 07 06:16:17.345 INFO [stderr]    |
Dec 07 06:16:17.345 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Dec 07 06:16:17.345 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 06:16:17.345 INFO [stderr]    |
Dec 07 06:16:17.345 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 06:16:17.345 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 06:16:17.345 INFO [stderr] 
Dec 07 06:16:17.345 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 06:16:17.345 INFO [stderr]   --> src/discovery.rs:88:9
Dec 07 06:16:17.345 INFO [stderr]    |
Dec 07 06:16:17.345 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Dec 07 06:16:17.345 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 06:16:17.345 INFO [stderr]    |
Dec 07 06:16:17.345 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 06:16:17.345 INFO [stderr] 
Dec 07 06:16:17.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 07 06:16:17.582 INFO [stderr] su: No module specific data is present
Dec 07 06:16:18.000 INFO running `"docker" "inspect" "37fbd821c8fec5021dac9c6c9b662249b348c3f1de18df9191c824986d3ecacb"`
Dec 07 06:16:18.092 INFO running `"docker" "rm" "-f" "37fbd821c8fec5021dac9c6c9b662249b348c3f1de18df9191c824986d3ecacb"`
Dec 07 06:16:18.161 INFO [stdout] 37fbd821c8fec5021dac9c6c9b662249b348c3f1de18df9191c824986d3ecacb
Dec 07 06:16:18.166 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07 06:16:18.369 INFO [stdout] 57b278fd77b40d00ed5d368ff4b4cbe1f4e722e4ace5f25407a202ef08b60e12
Dec 07 06:16:18.374 INFO running `"docker" "start" "-a" "57b278fd77b40d00ed5d368ff4b4cbe1f4e722e4ace5f25407a202ef08b60e12"`
Dec 07 06:16:18.829 INFO [stderr] usermod: no changes
Dec 07 06:16:18.858 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 07 06:16:18.860 INFO [stderr]      Running /target/debug/deps/nexrs-a101590ffcbacb22
Dec 07 06:16:18.862 INFO [stdout] 
Dec 07 06:16:18.862 INFO [stdout] running 0 tests
Dec 07 06:16:18.862 INFO [stdout] 
Dec 07 06:16:18.862 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 06:16:18.862 INFO [stdout] 
Dec 07 06:16:18.864 INFO [stderr] su: No module specific data is present
Dec 07 06:16:19.090 INFO running `"docker" "inspect" "57b278fd77b40d00ed5d368ff4b4cbe1f4e722e4ace5f25407a202ef08b60e12"`
Dec 07 06:16:19.169 INFO running `"docker" "rm" "-f" "57b278fd77b40d00ed5d368ff4b4cbe1f4e722e4ace5f25407a202ef08b60e12"`
Dec 07 06:16:19.250 INFO [stdout] 57b278fd77b40d00ed5d368ff4b4cbe1f4e722e4ace5f25407a202ef08b60e12