Nov 30 18:59:42.381 INFO checking nexrs-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 18:59:42.381 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 18:59:42.546 INFO [stdout] 038ddc39bc7b0585fd580cd24ee4d88939c83ac82c357ea890231f45ab0bdfa5
Nov 30 18:59:42.549 INFO running `"docker" "start" "-a" "038ddc39bc7b0585fd580cd24ee4d88939c83ac82c357ea890231f45ab0bdfa5"`
Nov 30 18:59:42.937 INFO [stderr] usermod: no changes
Nov 30 18:59:42.959 INFO [stderr]     Checking nexrs v0.1.0 (/source)
Nov 30 18:59:43.644 INFO [stderr] warning: unused import: `std::error::Error`
Nov 30 18:59:43.644 INFO [stderr]  --> src/discovery.rs:2:5
Nov 30 18:59:43.644 INFO [stderr]   |
Nov 30 18:59:43.644 INFO [stderr] 2 | use std::error::Error;
Nov 30 18:59:43.644 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 30 18:59:43.644 INFO [stderr]   |
Nov 30 18:59:43.644 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 18:59:43.644 INFO [stderr] 
Nov 30 18:59:43.644 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Nov 30 18:59:43.644 INFO [stderr]  --> src/discovery.rs:6:5
Nov 30 18:59:43.645 INFO [stderr]   |
Nov 30 18:59:43.645 INFO [stderr] 6 | use std::io::Result as IoResult;
Nov 30 18:59:43.645 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 18:59:43.645 INFO [stderr] 
Nov 30 18:59:43.645 INFO [stderr] warning: unused import: `discovery::*`
Nov 30 18:59:43.645 INFO [stderr]  --> src/main.rs:4:5
Nov 30 18:59:43.645 INFO [stderr]   |
Nov 30 18:59:43.645 INFO [stderr] 4 | use discovery::*;
Nov 30 18:59:43.645 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 18:59:43.645 INFO [stderr] 
Nov 30 18:59:43.645 INFO [stderr] warning: unused import: `SocketAddr`
Nov 30 18:59:43.645 INFO [stderr]  --> src/main.rs:5:16
Nov 30 18:59:43.645 INFO [stderr]   |
Nov 30 18:59:43.645 INFO [stderr] 5 | use std::net::{SocketAddr};
Nov 30 18:59:43.645 INFO [stderr]   |                ^^^^^^^^^^
Nov 30 18:59:43.645 INFO [stderr] 
Nov 30 18:59:43.765 INFO [stderr] warning: unused variable: `buf`
Nov 30 18:59:43.765 INFO [stderr]   --> src/discovery.rs:86:17
Nov 30 18:59:43.765 INFO [stderr]    |
Nov 30 18:59:43.766 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 30 18:59:43.766 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Nov 30 18:59:43.766 INFO [stderr]    |
Nov 30 18:59:43.766 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 18:59:43.772 INFO [stderr] 
Nov 30 18:59:43.773 INFO [stderr] warning: unused import: `std::error::Error`
Nov 30 18:59:43.773 INFO [stderr]  --> src/discovery.rs:2:5
Nov 30 18:59:43.773 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:59:43.773 INFO [stderr]   --> src/discovery.rs:16:9
Nov 30 18:59:43.774 INFO [stderr]    |
Nov 30 18:59:43.774 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Nov 30 18:59:43.774 INFO [stderr]    |         ----^^^^^^
Nov 30 18:59:43.774 INFO [stderr]    |         |
Nov 30 18:59:43.774 INFO [stderr]    |         help: remove this `mut`
Nov 30 18:59:43.774 INFO [stderr]    |
Nov 30 18:59:43.774 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 18:59:43.774 INFO [stderr] 
Nov 30 18:59:43.774 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:59:43.774 INFO [stderr]   --> src/discovery.rs:36:9
Nov 30 18:59:43.774 INFO [stderr]    |
Nov 30 18:59:43.774 INFO [stderr] 36 |     let mut addr = addr_iter
Nov 30 18:59:43.774 INFO [stderr]    |         ----^^^^
Nov 30 18:59:43.774 INFO [stderr]    |         |
Nov 30 18:59:43.774 INFO [stderr]    |         help: remove this `mut`
Nov 30 18:59:43.774 INFO [stderr] 
Nov 30 18:59:43.775 INFO [stderr]   |
Nov 30 18:59:43.775 INFO [stderr] 2 | use std::error::Error;
Nov 30 18:59:43.775 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 30 18:59:43.775 INFO [stderr]   |
Nov 30 18:59:43.775 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 18:59:43.775 INFO [stderr] 
Nov 30 18:59:43.775 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Nov 30 18:59:43.775 INFO [stderr]  --> src/discovery.rs:6:5
Nov 30 18:59:43.775 INFO [stderr]   |
Nov 30 18:59:43.775 INFO [stderr] 6 | use std::io::Result as IoResult;
Nov 30 18:59:43.775 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 18:59:43.775 INFO [stderr] 
Nov 30 18:59:43.775 INFO [stderr] warning: unused import: `discovery::*`
Nov 30 18:59:43.780 INFO [stderr]  --> src/main.rs:4:5
Nov 30 18:59:43.780 INFO [stderr]   |
Nov 30 18:59:43.780 INFO [stderr] 4 | use discovery::*;
Nov 30 18:59:43.780 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 18:59:43.780 INFO [stderr] 
Nov 30 18:59:43.780 INFO [stderr] warning: unused import: `SocketAddr`
Nov 30 18:59:43.780 INFO [stderr]  --> src/main.rs:5:16
Nov 30 18:59:43.780 INFO [stderr]   |
Nov 30 18:59:43.780 INFO [stderr] 5 | use std::net::{SocketAddr};
Nov 30 18:59:43.780 INFO [stderr]   |                ^^^^^^^^^^
Nov 30 18:59:43.780 INFO [stderr] 
Nov 30 18:59:43.780 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:59:43.780 INFO [stderr]   --> src/discovery.rs:86:13
Nov 30 18:59:43.780 INFO [stderr]    |
Nov 30 18:59:43.780 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 30 18:59:43.780 INFO [stderr]    |             ----^^^
Nov 30 18:59:43.780 INFO [stderr]    |             |
Nov 30 18:59:43.780 INFO [stderr]    |             help: remove this `mut`
Nov 30 18:59:43.780 INFO [stderr] 
Nov 30 18:59:43.780 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 18:59:43.780 INFO [stderr]   --> src/discovery.rs:87:9
Nov 30 18:59:43.780 INFO [stderr]    |
Nov 30 18:59:43.780 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Nov 30 18:59:43.780 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 18:59:43.780 INFO [stderr]    |
Nov 30 18:59:43.780 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 18:59:43.780 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 18:59:43.780 INFO [stderr] 
Nov 30 18:59:43.780 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 18:59:43.780 INFO [stderr]   --> src/discovery.rs:88:9
Nov 30 18:59:43.780 INFO [stderr]    |
Nov 30 18:59:43.780 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Nov 30 18:59:43.781 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 18:59:43.781 INFO [stderr]    |
Nov 30 18:59:43.781 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 18:59:43.781 INFO [stderr] 
Nov 30 18:59:43.857 INFO [stderr] warning: unused variable: `buf`
Nov 30 18:59:43.866 INFO [stderr]   --> src/discovery.rs:86:17
Nov 30 18:59:43.866 INFO [stderr]    |
Nov 30 18:59:43.866 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 30 18:59:43.866 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Nov 30 18:59:43.866 INFO [stderr]    |
Nov 30 18:59:43.866 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 18:59:43.866 INFO [stderr] 
Nov 30 18:59:43.866 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:59:43.867 INFO [stderr]   --> src/discovery.rs:16:9
Nov 30 18:59:43.867 INFO [stderr]    |
Nov 30 18:59:43.867 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Nov 30 18:59:43.867 INFO [stderr]    |         ----^^^^^^
Nov 30 18:59:43.867 INFO [stderr]    |         |
Nov 30 18:59:43.867 INFO [stderr]    |         help: remove this `mut`
Nov 30 18:59:43.867 INFO [stderr]    |
Nov 30 18:59:43.867 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 18:59:43.867 INFO [stderr] 
Nov 30 18:59:43.867 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:59:43.867 INFO [stderr]   --> src/discovery.rs:36:9
Nov 30 18:59:43.867 INFO [stderr]    |
Nov 30 18:59:43.867 INFO [stderr] 36 |     let mut addr = addr_iter
Nov 30 18:59:43.867 INFO [stderr]    |         ----^^^^
Nov 30 18:59:43.867 INFO [stderr]    |         |
Nov 30 18:59:43.867 INFO [stderr]    |         help: remove this `mut`
Nov 30 18:59:43.867 INFO [stderr] 
Nov 30 18:59:43.872 INFO [stderr] warning: variable does not need to be mutable
Nov 30 18:59:43.872 INFO [stderr]   --> src/discovery.rs:86:13
Nov 30 18:59:43.872 INFO [stderr]    |
Nov 30 18:59:43.872 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 30 18:59:43.872 INFO [stderr]    |             ----^^^
Nov 30 18:59:43.872 INFO [stderr]    |             |
Nov 30 18:59:43.872 INFO [stderr]    |             help: remove this `mut`
Nov 30 18:59:43.872 INFO [stderr] 
Nov 30 18:59:43.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 18:59:43.872 INFO [stderr]   --> src/discovery.rs:87:9
Nov 30 18:59:43.872 INFO [stderr]    |
Nov 30 18:59:43.872 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Nov 30 18:59:43.872 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 18:59:43.872 INFO [stderr]    |
Nov 30 18:59:43.872 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 18:59:43.872 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 18:59:43.872 INFO [stderr] 
Nov 30 18:59:43.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 18:59:43.872 INFO [stderr]   --> src/discovery.rs:88:9
Nov 30 18:59:43.872 INFO [stderr]    |
Nov 30 18:59:43.872 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Nov 30 18:59:43.872 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 18:59:43.872 INFO [stderr]    |
Nov 30 18:59:43.872 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 18:59:43.872 INFO [stderr] 
Nov 30 18:59:43.925 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Nov 30 18:59:43.927 INFO [stderr] su: No module specific data is present
Nov 30 18:59:44.430 INFO running `"docker" "inspect" "038ddc39bc7b0585fd580cd24ee4d88939c83ac82c357ea890231f45ab0bdfa5"`
Nov 30 18:59:44.525 INFO running `"docker" "rm" "-f" "038ddc39bc7b0585fd580cd24ee4d88939c83ac82c357ea890231f45ab0bdfa5"`
Nov 30 18:59:44.625 INFO [stdout] 038ddc39bc7b0585fd580cd24ee4d88939c83ac82c357ea890231f45ab0bdfa5