Nov 28 21:34:46.768 INFO checking nexrs-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 21:34:46.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 21:34:47.044 INFO [stdout] ebfb2bd4c1ef58f0c255113dd33f363fd1563400c8f01ca09fabac40a36ffbbd
Nov 28 21:34:47.046 INFO running `"docker" "start" "-a" "ebfb2bd4c1ef58f0c255113dd33f363fd1563400c8f01ca09fabac40a36ffbbd"`
Nov 28 21:34:48.317 INFO [stderr] usermod: no changes
Nov 28 21:34:48.349 INFO [stderr]     Checking nexrs v0.1.0 (/source)
Nov 28 21:34:48.811 INFO [stderr] warning: unused import: `std::error::Error`
Nov 28 21:34:48.811 INFO [stderr]  --> src/discovery.rs:2:5
Nov 28 21:34:48.811 INFO [stderr]   |
Nov 28 21:34:48.811 INFO [stderr] 2 | use std::error::Error;
Nov 28 21:34:48.812 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 21:34:48.812 INFO [stderr]   |
Nov 28 21:34:48.812 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 21:34:48.812 INFO [stderr] 
Nov 28 21:34:48.813 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Nov 28 21:34:48.813 INFO [stderr]  --> src/discovery.rs:6:5
Nov 28 21:34:48.813 INFO [stderr]   |
Nov 28 21:34:48.813 INFO [stderr] 6 | use std::io::Result as IoResult;
Nov 28 21:34:48.813 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:34:48.814 INFO [stderr] 
Nov 28 21:34:48.814 INFO [stderr] warning: unused import: `discovery::*`
Nov 28 21:34:48.814 INFO [stderr]  --> src/main.rs:4:5
Nov 28 21:34:48.814 INFO [stderr]   |
Nov 28 21:34:48.814 INFO [stderr] 4 | use discovery::*;
Nov 28 21:34:48.815 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 21:34:48.815 INFO [stderr] 
Nov 28 21:34:48.815 INFO [stderr] warning: unused import: `SocketAddr`
Nov 28 21:34:48.815 INFO [stderr]  --> src/main.rs:5:16
Nov 28 21:34:48.816 INFO [stderr]   |
Nov 28 21:34:48.817 INFO [stderr] 5 | use std::net::{SocketAddr};
Nov 28 21:34:48.817 INFO [stderr]   |                ^^^^^^^^^^
Nov 28 21:34:48.818 INFO [stderr] 
Nov 28 21:34:48.880 INFO [stderr] warning: unused variable: `buf`
Nov 28 21:34:48.880 INFO [stderr]   --> src/discovery.rs:86:17
Nov 28 21:34:48.880 INFO [stderr]    |
Nov 28 21:34:48.880 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 28 21:34:48.880 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Nov 28 21:34:48.880 INFO [stderr]    |
Nov 28 21:34:48.880 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 21:34:48.880 INFO [stderr] 
Nov 28 21:34:48.892 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:34:48.892 INFO [stderr]   --> src/discovery.rs:16:9
Nov 28 21:34:48.892 INFO [stderr]    |
Nov 28 21:34:48.892 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Nov 28 21:34:48.892 INFO [stderr]    |         ----^^^^^^
Nov 28 21:34:48.892 INFO [stderr]    |         |
Nov 28 21:34:48.892 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:34:48.892 INFO [stderr]    |
Nov 28 21:34:48.892 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:34:48.892 INFO [stderr] 
Nov 28 21:34:48.892 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:34:48.892 INFO [stderr]   --> src/discovery.rs:36:9
Nov 28 21:34:48.892 INFO [stderr]    |
Nov 28 21:34:48.892 INFO [stderr] 36 |     let mut addr = addr_iter
Nov 28 21:34:48.893 INFO [stderr]    |         ----^^^^
Nov 28 21:34:48.893 INFO [stderr]    |         |
Nov 28 21:34:48.893 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:34:48.893 INFO [stderr] 
Nov 28 21:34:48.897 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:34:48.897 INFO [stderr]   --> src/discovery.rs:86:13
Nov 28 21:34:48.898 INFO [stderr]    |
Nov 28 21:34:48.898 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 28 21:34:48.898 INFO [stderr]    |             ----^^^
Nov 28 21:34:48.898 INFO [stderr]    |             |
Nov 28 21:34:48.898 INFO [stderr]    |             help: remove this `mut`
Nov 28 21:34:48.898 INFO [stderr] 
Nov 28 21:34:48.899 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 21:34:48.899 INFO [stderr]   --> src/discovery.rs:87:9
Nov 28 21:34:48.899 INFO [stderr]    |
Nov 28 21:34:48.899 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Nov 28 21:34:48.899 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:34:48.900 INFO [stderr]    |
Nov 28 21:34:48.900 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 21:34:48.900 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 21:34:48.901 INFO [stderr] 
Nov 28 21:34:48.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 21:34:48.901 INFO [stderr]   --> src/discovery.rs:88:9
Nov 28 21:34:48.901 INFO [stderr]    |
Nov 28 21:34:48.902 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Nov 28 21:34:48.902 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:34:48.902 INFO [stderr]    |
Nov 28 21:34:48.902 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 21:34:48.903 INFO [stderr] 
Nov 28 21:34:48.949 INFO [stderr] warning: unused import: `std::error::Error`
Nov 28 21:34:48.949 INFO [stderr]  --> src/discovery.rs:2:5
Nov 28 21:34:48.949 INFO [stderr]   |
Nov 28 21:34:48.949 INFO [stderr] 2 | use std::error::Error;
Nov 28 21:34:48.949 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 21:34:48.949 INFO [stderr]   |
Nov 28 21:34:48.949 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 21:34:48.949 INFO [stderr] 
Nov 28 21:34:48.949 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Nov 28 21:34:48.949 INFO [stderr]  --> src/discovery.rs:6:5
Nov 28 21:34:48.949 INFO [stderr]   |
Nov 28 21:34:48.949 INFO [stderr] 6 | use std::io::Result as IoResult;
Nov 28 21:34:48.949 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:34:48.949 INFO [stderr] 
Nov 28 21:34:48.949 INFO [stderr] warning: unused import: `discovery::*`
Nov 28 21:34:48.949 INFO [stderr]  --> src/main.rs:4:5
Nov 28 21:34:48.949 INFO [stderr]   |
Nov 28 21:34:48.949 INFO [stderr] 4 | use discovery::*;
Nov 28 21:34:48.949 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 21:34:48.949 INFO [stderr] 
Nov 28 21:34:48.949 INFO [stderr] warning: unused import: `SocketAddr`
Nov 28 21:34:48.949 INFO [stderr]  --> src/main.rs:5:16
Nov 28 21:34:48.949 INFO [stderr]   |
Nov 28 21:34:48.949 INFO [stderr] 5 | use std::net::{SocketAddr};
Nov 28 21:34:48.949 INFO [stderr]   |                ^^^^^^^^^^
Nov 28 21:34:48.949 INFO [stderr] 
Nov 28 21:34:49.018 INFO [stderr] warning: unused variable: `buf`
Nov 28 21:34:49.018 INFO [stderr]   --> src/discovery.rs:86:17
Nov 28 21:34:49.018 INFO [stderr]    |
Nov 28 21:34:49.018 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 28 21:34:49.018 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Nov 28 21:34:49.018 INFO [stderr]    |
Nov 28 21:34:49.018 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 21:34:49.018 INFO [stderr] 
Nov 28 21:34:49.018 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:34:49.018 INFO [stderr]   --> src/discovery.rs:16:9
Nov 28 21:34:49.018 INFO [stderr]    |
Nov 28 21:34:49.018 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Nov 28 21:34:49.018 INFO [stderr]    |         ----^^^^^^
Nov 28 21:34:49.018 INFO [stderr]    |         |
Nov 28 21:34:49.018 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:34:49.018 INFO [stderr]    |
Nov 28 21:34:49.018 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:34:49.018 INFO [stderr] 
Nov 28 21:34:49.018 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:34:49.018 INFO [stderr]   --> src/discovery.rs:36:9
Nov 28 21:34:49.018 INFO [stderr]    |
Nov 28 21:34:49.018 INFO [stderr] 36 |     let mut addr = addr_iter
Nov 28 21:34:49.018 INFO [stderr]    |         ----^^^^
Nov 28 21:34:49.018 INFO [stderr]    |         |
Nov 28 21:34:49.018 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:34:49.018 INFO [stderr] 
Nov 28 21:34:49.018 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:34:49.018 INFO [stderr]   --> src/discovery.rs:86:13
Nov 28 21:34:49.018 INFO [stderr]    |
Nov 28 21:34:49.018 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Nov 28 21:34:49.018 INFO [stderr]    |             ----^^^
Nov 28 21:34:49.018 INFO [stderr]    |             |
Nov 28 21:34:49.019 INFO [stderr]    |             help: remove this `mut`
Nov 28 21:34:49.019 INFO [stderr] 
Nov 28 21:34:49.019 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 21:34:49.019 INFO [stderr]   --> src/discovery.rs:87:9
Nov 28 21:34:49.019 INFO [stderr]    |
Nov 28 21:34:49.019 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Nov 28 21:34:49.019 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:34:49.019 INFO [stderr]    |
Nov 28 21:34:49.019 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 21:34:49.019 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 21:34:49.019 INFO [stderr] 
Nov 28 21:34:49.019 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 21:34:49.019 INFO [stderr]   --> src/discovery.rs:88:9
Nov 28 21:34:49.019 INFO [stderr]    |
Nov 28 21:34:49.019 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Nov 28 21:34:49.019 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 21:34:49.019 INFO [stderr]    |
Nov 28 21:34:49.019 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 21:34:49.019 INFO [stderr] 
Nov 28 21:34:49.024 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Nov 28 21:34:49.025 INFO [stderr] su: No module specific data is present
Nov 28 21:34:49.424 INFO running `"docker" "inspect" "ebfb2bd4c1ef58f0c255113dd33f363fd1563400c8f01ca09fabac40a36ffbbd"`
Nov 28 21:34:49.500 INFO running `"docker" "rm" "-f" "ebfb2bd4c1ef58f0c255113dd33f363fd1563400c8f01ca09fabac40a36ffbbd"`
Nov 28 21:34:49.607 INFO [stdout] ebfb2bd4c1ef58f0c255113dd33f363fd1563400c8f01ca09fabac40a36ffbbd