Dec 15 03:40:50.347 INFO testing nexrs-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 03:40:50.347 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 03:40:50.546 INFO [stdout] c24f79c24829bc1fd591bd0ab24c91adfa48623b03c7dabc3838730fd1d9ab70
Dec 15 03:40:50.546 INFO running `"docker" "start" "-a" "c24f79c24829bc1fd591bd0ab24c91adfa48623b03c7dabc3838730fd1d9ab70"`
Dec 15 03:40:50.959 INFO [stderr] usermod: no changes
Dec 15 03:40:50.986 INFO [stderr]    Compiling nexrs v0.1.0 (/source)
Dec 15 03:40:51.482 INFO [stderr] warning: unused import: `std::error::Error`
Dec 15 03:40:51.482 INFO [stderr]  --> src/discovery.rs:2:5
Dec 15 03:40:51.482 INFO [stderr]   |
Dec 15 03:40:51.482 INFO [stderr] 2 | use std::error::Error;
Dec 15 03:40:51.482 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 15 03:40:51.482 INFO [stderr]   |
Dec 15 03:40:51.482 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 03:40:51.482 INFO [stderr] 
Dec 15 03:40:51.482 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Dec 15 03:40:51.482 INFO [stderr]  --> src/discovery.rs:6:5
Dec 15 03:40:51.482 INFO [stderr]   |
Dec 15 03:40:51.482 INFO [stderr] 6 | use std::io::Result as IoResult;
Dec 15 03:40:51.482 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:51.482 INFO [stderr] 
Dec 15 03:40:51.482 INFO [stderr] warning: unused import: `discovery::*`
Dec 15 03:40:51.482 INFO [stderr]  --> src/main.rs:4:5
Dec 15 03:40:51.482 INFO [stderr]   |
Dec 15 03:40:51.482 INFO [stderr] 4 | use discovery::*;
Dec 15 03:40:51.482 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 15 03:40:51.482 INFO [stderr] 
Dec 15 03:40:51.482 INFO [stderr] warning: unused import: `SocketAddr`
Dec 15 03:40:51.482 INFO [stderr]  --> src/main.rs:5:16
Dec 15 03:40:51.482 INFO [stderr]   |
Dec 15 03:40:51.482 INFO [stderr] 5 | use std::net::{SocketAddr};
Dec 15 03:40:51.482 INFO [stderr]   |                ^^^^^^^^^^
Dec 15 03:40:51.482 INFO [stderr] 
Dec 15 03:40:51.543 INFO [stderr] warning: unused variable: `buf`
Dec 15 03:40:51.543 INFO [stderr]   --> src/discovery.rs:86:17
Dec 15 03:40:51.543 INFO [stderr]    |
Dec 15 03:40:51.543 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 15 03:40:51.543 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Dec 15 03:40:51.543 INFO [stderr]    |
Dec 15 03:40:51.543 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 03:40:51.543 INFO [stderr] 
Dec 15 03:40:51.548 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:51.548 INFO [stderr]   --> src/discovery.rs:16:9
Dec 15 03:40:51.548 INFO [stderr]    |
Dec 15 03:40:51.548 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Dec 15 03:40:51.548 INFO [stderr]    |         ----^^^^^^
Dec 15 03:40:51.548 INFO [stderr]    |         |
Dec 15 03:40:51.548 INFO [stderr]    |         help: remove this `mut`
Dec 15 03:40:51.548 INFO [stderr]    |
Dec 15 03:40:51.548 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 03:40:51.548 INFO [stderr] 
Dec 15 03:40:51.549 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:51.549 INFO [stderr]   --> src/discovery.rs:36:9
Dec 15 03:40:51.549 INFO [stderr]    |
Dec 15 03:40:51.549 INFO [stderr] 36 |     let mut addr = addr_iter
Dec 15 03:40:51.549 INFO [stderr]    |         ----^^^^
Dec 15 03:40:51.549 INFO [stderr]    |         |
Dec 15 03:40:51.549 INFO [stderr]    |         help: remove this `mut`
Dec 15 03:40:51.549 INFO [stderr] 
Dec 15 03:40:51.553 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:51.553 INFO [stderr]   --> src/discovery.rs:86:13
Dec 15 03:40:51.553 INFO [stderr]    |
Dec 15 03:40:51.553 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 15 03:40:51.553 INFO [stderr]    |             ----^^^
Dec 15 03:40:51.553 INFO [stderr]    |             |
Dec 15 03:40:51.553 INFO [stderr]    |             help: remove this `mut`
Dec 15 03:40:51.553 INFO [stderr] 
Dec 15 03:40:51.554 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:40:51.554 INFO [stderr]   --> src/discovery.rs:87:9
Dec 15 03:40:51.554 INFO [stderr]    |
Dec 15 03:40:51.554 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Dec 15 03:40:51.554 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:51.554 INFO [stderr]    |
Dec 15 03:40:51.554 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 03:40:51.554 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:40:51.554 INFO [stderr] 
Dec 15 03:40:51.554 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:40:51.554 INFO [stderr]   --> src/discovery.rs:88:9
Dec 15 03:40:51.554 INFO [stderr]    |
Dec 15 03:40:51.554 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Dec 15 03:40:51.554 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:51.554 INFO [stderr]    |
Dec 15 03:40:51.554 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:40:51.554 INFO [stderr] 
Dec 15 03:40:52.033 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 15 03:40:52.036 INFO [stderr] su: No module specific data is present
Dec 15 03:40:52.399 INFO running `"docker" "inspect" "c24f79c24829bc1fd591bd0ab24c91adfa48623b03c7dabc3838730fd1d9ab70"`
Dec 15 03:40:52.488 INFO running `"docker" "rm" "-f" "c24f79c24829bc1fd591bd0ab24c91adfa48623b03c7dabc3838730fd1d9ab70"`
Dec 15 03:40:52.582 INFO [stdout] c24f79c24829bc1fd591bd0ab24c91adfa48623b03c7dabc3838730fd1d9ab70
Dec 15 03:40:52.584 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 03:40:52.849 INFO [stdout] c7e490ea030a1c25f26fc542c308e622e069ed39926232eb8ff0384265f46d8e
Dec 15 03:40:52.850 INFO running `"docker" "start" "-a" "c7e490ea030a1c25f26fc542c308e622e069ed39926232eb8ff0384265f46d8e"`
Dec 15 03:40:53.267 INFO [stderr] usermod: no changes
Dec 15 03:40:53.305 INFO [stderr]    Compiling nexrs v0.1.0 (/source)
Dec 15 03:40:53.813 INFO [stderr] warning: unused import: `std::error::Error`
Dec 15 03:40:53.813 INFO [stderr]  --> src/discovery.rs:2:5
Dec 15 03:40:53.813 INFO [stderr]   |
Dec 15 03:40:53.813 INFO [stderr] 2 | use std::error::Error;
Dec 15 03:40:53.813 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 15 03:40:53.813 INFO [stderr]   |
Dec 15 03:40:53.813 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 03:40:53.813 INFO [stderr] 
Dec 15 03:40:53.813 INFO [stderr] warning: unused import: `std::io::Result as IoResult`
Dec 15 03:40:53.813 INFO [stderr]  --> src/discovery.rs:6:5
Dec 15 03:40:53.813 INFO [stderr]   |
Dec 15 03:40:53.813 INFO [stderr] 6 | use std::io::Result as IoResult;
Dec 15 03:40:53.813 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:53.813 INFO [stderr] 
Dec 15 03:40:53.813 INFO [stderr] warning: unused import: `discovery::*`
Dec 15 03:40:53.813 INFO [stderr]  --> src/main.rs:4:5
Dec 15 03:40:53.813 INFO [stderr]   |
Dec 15 03:40:53.813 INFO [stderr] 4 | use discovery::*;
Dec 15 03:40:53.813 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 15 03:40:53.813 INFO [stderr] 
Dec 15 03:40:53.813 INFO [stderr] warning: unused import: `SocketAddr`
Dec 15 03:40:53.813 INFO [stderr]  --> src/main.rs:5:16
Dec 15 03:40:53.813 INFO [stderr]   |
Dec 15 03:40:53.813 INFO [stderr] 5 | use std::net::{SocketAddr};
Dec 15 03:40:53.813 INFO [stderr]   |                ^^^^^^^^^^
Dec 15 03:40:53.813 INFO [stderr] 
Dec 15 03:40:53.872 INFO [stderr] warning: unused variable: `buf`
Dec 15 03:40:53.872 INFO [stderr]   --> src/discovery.rs:86:17
Dec 15 03:40:53.872 INFO [stderr]    |
Dec 15 03:40:53.872 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 15 03:40:53.872 INFO [stderr]    |                 ^^^ help: consider using `_buf` instead
Dec 15 03:40:53.872 INFO [stderr]    |
Dec 15 03:40:53.872 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 03:40:53.872 INFO [stderr] 
Dec 15 03:40:53.879 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:53.879 INFO [stderr]   --> src/discovery.rs:16:9
Dec 15 03:40:53.879 INFO [stderr]    |
Dec 15 03:40:53.879 INFO [stderr] 16 |     let mut cmd_if = Command::new("ifconfig")
Dec 15 03:40:53.879 INFO [stderr]    |         ----^^^^^^
Dec 15 03:40:53.879 INFO [stderr]    |         |
Dec 15 03:40:53.879 INFO [stderr]    |         help: remove this `mut`
Dec 15 03:40:53.879 INFO [stderr]    |
Dec 15 03:40:53.879 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 03:40:53.879 INFO [stderr] 
Dec 15 03:40:53.879 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:53.879 INFO [stderr]   --> src/discovery.rs:36:9
Dec 15 03:40:53.879 INFO [stderr]    |
Dec 15 03:40:53.879 INFO [stderr] 36 |     let mut addr = addr_iter
Dec 15 03:40:53.879 INFO [stderr]    |         ----^^^^
Dec 15 03:40:53.879 INFO [stderr]    |         |
Dec 15 03:40:53.879 INFO [stderr]    |         help: remove this `mut`
Dec 15 03:40:53.879 INFO [stderr] 
Dec 15 03:40:53.881 INFO [stderr] warning: variable does not need to be mutable
Dec 15 03:40:53.881 INFO [stderr]   --> src/discovery.rs:86:13
Dec 15 03:40:53.881 INFO [stderr]    |
Dec 15 03:40:53.881 INFO [stderr] 86 |         let mut buf: [u8; 32] = [0; 32];
Dec 15 03:40:53.881 INFO [stderr]    |             ----^^^
Dec 15 03:40:53.881 INFO [stderr]    |             |
Dec 15 03:40:53.881 INFO [stderr]    |             help: remove this `mut`
Dec 15 03:40:53.881 INFO [stderr] 
Dec 15 03:40:53.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:40:53.882 INFO [stderr]   --> src/discovery.rs:87:9
Dec 15 03:40:53.882 INFO [stderr]    |
Dec 15 03:40:53.882 INFO [stderr] 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Dec 15 03:40:53.882 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:53.882 INFO [stderr]    |
Dec 15 03:40:53.882 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 03:40:53.882 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:40:53.882 INFO [stderr] 
Dec 15 03:40:53.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:40:53.882 INFO [stderr]   --> src/discovery.rs:88:9
Dec 15 03:40:53.882 INFO [stderr]    |
Dec 15 03:40:53.882 INFO [stderr] 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Dec 15 03:40:53.882 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 03:40:53.882 INFO [stderr]    |
Dec 15 03:40:53.882 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:40:53.882 INFO [stderr] 
Dec 15 03:40:54.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 15 03:40:54.099 INFO [stderr] su: No module specific data is present
Dec 15 03:40:54.540 INFO running `"docker" "inspect" "c7e490ea030a1c25f26fc542c308e622e069ed39926232eb8ff0384265f46d8e"`
Dec 15 03:40:54.884 INFO running `"docker" "rm" "-f" "c7e490ea030a1c25f26fc542c308e622e069ed39926232eb8ff0384265f46d8e"`
Dec 15 03:40:55.150 INFO [stdout] c7e490ea030a1c25f26fc542c308e622e069ed39926232eb8ff0384265f46d8e
Dec 15 03:40:55.155 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 03:40:55.487 INFO [stdout] 6a6118f507580ee3d9dc6d8328f475c2d6f01a5976e3f454ca76d948a1e88c13
Dec 15 03:40:55.495 INFO running `"docker" "start" "-a" "6a6118f507580ee3d9dc6d8328f475c2d6f01a5976e3f454ca76d948a1e88c13"`
Dec 15 03:40:56.510 INFO [stderr] usermod: no changes
Dec 15 03:40:56.555 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 03:40:56.555 INFO [stderr]      Running /target/debug/deps/nexrs-2bf26ca429a4d8fd
Dec 15 03:40:56.559 INFO [stdout] 
Dec 15 03:40:56.559 INFO [stdout] running 0 tests
Dec 15 03:40:56.559 INFO [stdout] 
Dec 15 03:40:56.559 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 03:40:56.559 INFO [stdout] 
Dec 15 03:40:56.559 INFO [stderr] su: No module specific data is present
Dec 15 03:40:57.017 INFO running `"docker" "inspect" "6a6118f507580ee3d9dc6d8328f475c2d6f01a5976e3f454ca76d948a1e88c13"`
Dec 15 03:40:57.182 INFO running `"docker" "rm" "-f" "6a6118f507580ee3d9dc6d8328f475c2d6f01a5976e3f454ca76d948a1e88c13"`
Dec 15 03:40:57.254 INFO [stdout] 6a6118f507580ee3d9dc6d8328f475c2d6f01a5976e3f454ca76d948a1e88c13