Dec 11 14:58:24.041 INFO checking lambdude/router against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 14:58:24.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 14:58:24.473 INFO [stdout] 4a436d3cf1c769366d2c6c613cbaf190dc6cb3ec393951ea1b017e1514799aec
Dec 11 14:58:24.478 INFO running `"docker" "start" "-a" "4a436d3cf1c769366d2c6c613cbaf190dc6cb3ec393951ea1b017e1514799aec"`
Dec 11 14:58:26.203 INFO [stderr] usermod: no changes
Dec 11 14:58:26.265 INFO [stderr]     Checking router v0.1.0 (/source)
Dec 11 14:58:26.792 INFO [stderr] warning: unused import: `SocketAddrV4`
Dec 11 14:58:26.792 INFO [stderr]  --> src/host.rs:1:40
Dec 11 14:58:26.792 INFO [stderr]   |
Dec 11 14:58:26.792 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddrV4};
Dec 11 14:58:26.792 INFO [stderr]   |                                        ^^^^^^^^^^^^
Dec 11 14:58:26.792 INFO [stderr]   |
Dec 11 14:58:26.792 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:58:26.792 INFO [stderr] 
Dec 11 14:58:26.792 INFO [stderr] warning: unused import: `message::*`
Dec 11 14:58:26.792 INFO [stderr]  --> src/main.rs:5:5
Dec 11 14:58:26.792 INFO [stderr]   |
Dec 11 14:58:26.792 INFO [stderr] 5 | use message::*;
Dec 11 14:58:26.792 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 14:58:26.792 INFO [stderr] 
Dec 11 14:58:26.871 INFO [stderr] warning: unused import: `SocketAddrV4`
Dec 11 14:58:26.871 INFO [stderr]  --> src/host.rs:1:40
Dec 11 14:58:26.871 INFO [stderr]   |
Dec 11 14:58:26.871 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddrV4};
Dec 11 14:58:26.871 INFO [stderr]   |                                        ^^^^^^^^^^^^
Dec 11 14:58:26.871 INFO [stderr]   |
Dec 11 14:58:26.876 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:58:26.876 INFO [stderr] 
Dec 11 14:58:26.877 INFO [stderr] warning: unused import: `message::*`
Dec 11 14:58:26.877 INFO [stderr]  --> src/main.rs:5:5
Dec 11 14:58:26.877 INFO [stderr]   |
Dec 11 14:58:26.877 INFO [stderr] 5 | use message::*;
Dec 11 14:58:26.877 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 14:58:26.877 INFO [stderr] 
Dec 11 14:58:27.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.016 INFO [stderr]   --> src/host.rs:72:13
Dec 11 14:58:27.016 INFO [stderr]    |
Dec 11 14:58:27.016 INFO [stderr] 72 |             stream.write(&message.payload());
Dec 11 14:58:27.016 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.016 INFO [stderr]    |
Dec 11 14:58:27.016 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:58:27.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.016 INFO [stderr] 
Dec 11 14:58:27.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.016 INFO [stderr]   --> src/host.rs:92:13
Dec 11 14:58:27.016 INFO [stderr]    |
Dec 11 14:58:27.016 INFO [stderr] 92 |             stream.read(&mut buffer);
Dec 11 14:58:27.016 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.016 INFO [stderr]    |
Dec 11 14:58:27.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.016 INFO [stderr] 
Dec 11 14:58:27.017 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.017 INFO [stderr]   --> src/main.rs:10:5
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr] 10 |     host_a.bind("127.0.0.1:9001".to_owned());
Dec 11 14:58:27.017 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.017 INFO [stderr] 
Dec 11 14:58:27.017 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.017 INFO [stderr]   --> src/main.rs:11:5
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr] 11 |     host_b.bind("127.0.0.1:9002".to_owned());
Dec 11 14:58:27.017 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.017 INFO [stderr] 
Dec 11 14:58:27.017 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.017 INFO [stderr]   --> src/main.rs:12:5
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr] 12 |     host_a.connect('b', "127.0.0.1:9002".to_owned());
Dec 11 14:58:27.017 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.017 INFO [stderr] 
Dec 11 14:58:27.017 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.017 INFO [stderr]   --> src/main.rs:13:5
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr] 13 |     host_b.connect('a', "127.0.0.1:9001".to_owned());
Dec 11 14:58:27.017 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.017 INFO [stderr] 
Dec 11 14:58:27.017 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.017 INFO [stderr]   --> src/main.rs:14:5
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr] 14 |     host_a.send('b', "Hello, world!");
Dec 11 14:58:27.017 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.017 INFO [stderr]    |
Dec 11 14:58:27.017 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.017 INFO [stderr] 
Dec 11 14:58:27.084 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.084 INFO [stderr]   --> src/host.rs:72:13
Dec 11 14:58:27.084 INFO [stderr]    |
Dec 11 14:58:27.084 INFO [stderr] 72 |             stream.write(&message.payload());
Dec 11 14:58:27.084 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.084 INFO [stderr]    |
Dec 11 14:58:27.084 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:58:27.085 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.085 INFO [stderr] 
Dec 11 14:58:27.085 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.085 INFO [stderr]   --> src/host.rs:92:13
Dec 11 14:58:27.085 INFO [stderr]    |
Dec 11 14:58:27.085 INFO [stderr] 92 |             stream.read(&mut buffer);
Dec 11 14:58:27.085 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.085 INFO [stderr]    |
Dec 11 14:58:27.085 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.085 INFO [stderr] 
Dec 11 14:58:27.086 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.086 INFO [stderr]   --> src/main.rs:10:5
Dec 11 14:58:27.086 INFO [stderr]    |
Dec 11 14:58:27.086 INFO [stderr] 10 |     host_a.bind("127.0.0.1:9001".to_owned());
Dec 11 14:58:27.086 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.087 INFO [stderr]    |
Dec 11 14:58:27.087 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.087 INFO [stderr] 
Dec 11 14:58:27.087 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.087 INFO [stderr]   --> src/main.rs:11:5
Dec 11 14:58:27.088 INFO [stderr]    |
Dec 11 14:58:27.088 INFO [stderr] 11 |     host_b.bind("127.0.0.1:9002".to_owned());
Dec 11 14:58:27.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.088 INFO [stderr]    |
Dec 11 14:58:27.088 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.088 INFO [stderr] 
Dec 11 14:58:27.088 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.088 INFO [stderr]   --> src/main.rs:12:5
Dec 11 14:58:27.088 INFO [stderr]    |
Dec 11 14:58:27.089 INFO [stderr] 12 |     host_a.connect('b', "127.0.0.1:9002".to_owned());
Dec 11 14:58:27.089 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.089 INFO [stderr]    |
Dec 11 14:58:27.089 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.089 INFO [stderr] 
Dec 11 14:58:27.090 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.090 INFO [stderr]   --> src/main.rs:13:5
Dec 11 14:58:27.090 INFO [stderr]    |
Dec 11 14:58:27.090 INFO [stderr] 13 |     host_b.connect('a', "127.0.0.1:9001".to_owned());
Dec 11 14:58:27.090 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.090 INFO [stderr]    |
Dec 11 14:58:27.091 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.091 INFO [stderr] 
Dec 11 14:58:27.091 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:58:27.091 INFO [stderr]   --> src/main.rs:14:5
Dec 11 14:58:27.091 INFO [stderr]    |
Dec 11 14:58:27.091 INFO [stderr] 14 |     host_a.send('b', "Hello, world!");
Dec 11 14:58:27.091 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:27.091 INFO [stderr]    |
Dec 11 14:58:27.092 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:58:27.092 INFO [stderr] 
Dec 11 14:58:27.140 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 11 14:58:27.143 INFO [stderr] su: No module specific data is present
Dec 11 14:58:28.616 INFO running `"docker" "inspect" "4a436d3cf1c769366d2c6c613cbaf190dc6cb3ec393951ea1b017e1514799aec"`
Dec 11 14:58:29.090 INFO running `"docker" "rm" "-f" "4a436d3cf1c769366d2c6c613cbaf190dc6cb3ec393951ea1b017e1514799aec"`
Dec 11 14:58:29.444 INFO [stdout] 4a436d3cf1c769366d2c6c613cbaf190dc6cb3ec393951ea1b017e1514799aec