Dec 04 15:21:35.308 INFO checking lambdude/router against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:21:35.308 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 15:21:35.846 INFO [stdout] 4f0b7041ca896da653f6fa0feb9089258a01ee668ffcd2a12648d56607d0754f
Dec 04 15:21:35.848 INFO running `"docker" "start" "-a" "4f0b7041ca896da653f6fa0feb9089258a01ee668ffcd2a12648d56607d0754f"`
Dec 04 15:21:38.075 INFO [stderr] usermod: no changes
Dec 04 15:21:38.143 INFO [stderr]     Checking router v0.1.0 (/source)
Dec 04 15:21:38.722 INFO [stderr] warning: unused import: `SocketAddrV4`
Dec 04 15:21:38.722 INFO [stderr]  --> src/host.rs:1:40
Dec 04 15:21:38.722 INFO [stderr]   |
Dec 04 15:21:38.722 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddrV4};
Dec 04 15:21:38.722 INFO [stderr]   |                                        ^^^^^^^^^^^^
Dec 04 15:21:38.735 INFO [stderr]   |
Dec 04 15:21:38.735 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 15:21:38.735 INFO [stderr] 
Dec 04 15:21:38.735 INFO [stderr] warning: unused import: `message::*`
Dec 04 15:21:38.735 INFO [stderr]  --> src/main.rs:5:5
Dec 04 15:21:38.735 INFO [stderr]   |
Dec 04 15:21:38.735 INFO [stderr] 5 | use message::*;
Dec 04 15:21:38.735 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 15:21:38.735 INFO [stderr] 
Dec 04 15:21:38.820 INFO [stderr] warning: unused import: `SocketAddrV4`
Dec 04 15:21:38.820 INFO [stderr]  --> src/host.rs:1:40
Dec 04 15:21:38.820 INFO [stderr]   |
Dec 04 15:21:38.820 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddrV4};
Dec 04 15:21:38.820 INFO [stderr]   |                                        ^^^^^^^^^^^^
Dec 04 15:21:38.835 INFO [stderr]   |
Dec 04 15:21:38.835 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 15:21:38.835 INFO [stderr] 
Dec 04 15:21:38.836 INFO [stderr] warning: unused import: `message::*`
Dec 04 15:21:38.836 INFO [stderr]  --> src/main.rs:5:5
Dec 04 15:21:38.836 INFO [stderr]   |
Dec 04 15:21:38.836 INFO [stderr] 5 | use message::*;
Dec 04 15:21:38.837 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 15:21:38.837 INFO [stderr] 
Dec 04 15:21:38.925 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.925 INFO [stderr]   --> src/host.rs:72:13
Dec 04 15:21:38.925 INFO [stderr]    |
Dec 04 15:21:38.925 INFO [stderr] 72 |             stream.write(&message.payload());
Dec 04 15:21:38.925 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.925 INFO [stderr]    |
Dec 04 15:21:38.925 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:21:38.925 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.925 INFO [stderr] 
Dec 04 15:21:38.925 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.925 INFO [stderr]   --> src/host.rs:92:13
Dec 04 15:21:38.925 INFO [stderr]    |
Dec 04 15:21:38.925 INFO [stderr] 92 |             stream.read(&mut buffer);
Dec 04 15:21:38.925 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.925 INFO [stderr]    |
Dec 04 15:21:38.925 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.925 INFO [stderr] 
Dec 04 15:21:38.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.926 INFO [stderr]   --> src/main.rs:10:5
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr] 10 |     host_a.bind("127.0.0.1:9001".to_owned());
Dec 04 15:21:38.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.926 INFO [stderr] 
Dec 04 15:21:38.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.926 INFO [stderr]   --> src/main.rs:11:5
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr] 11 |     host_b.bind("127.0.0.1:9002".to_owned());
Dec 04 15:21:38.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.926 INFO [stderr] 
Dec 04 15:21:38.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.926 INFO [stderr]   --> src/main.rs:12:5
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr] 12 |     host_a.connect('b', "127.0.0.1:9002".to_owned());
Dec 04 15:21:38.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.926 INFO [stderr] 
Dec 04 15:21:38.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.926 INFO [stderr]   --> src/main.rs:13:5
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr] 13 |     host_b.connect('a', "127.0.0.1:9001".to_owned());
Dec 04 15:21:38.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.926 INFO [stderr] 
Dec 04 15:21:38.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.926 INFO [stderr]   --> src/main.rs:14:5
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr] 14 |     host_a.send('b', "Hello, world!");
Dec 04 15:21:38.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.926 INFO [stderr]    |
Dec 04 15:21:38.926 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.926 INFO [stderr] 
Dec 04 15:21:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.999 INFO [stderr]   --> src/host.rs:72:13
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr] 72 |             stream.write(&message.payload());
Dec 04 15:21:38.999 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:21:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.999 INFO [stderr] 
Dec 04 15:21:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.999 INFO [stderr]   --> src/host.rs:92:13
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr] 92 |             stream.read(&mut buffer);
Dec 04 15:21:38.999 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.999 INFO [stderr] 
Dec 04 15:21:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.999 INFO [stderr]   --> src/main.rs:10:5
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr] 10 |     host_a.bind("127.0.0.1:9001".to_owned());
Dec 04 15:21:38.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.999 INFO [stderr] 
Dec 04 15:21:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.999 INFO [stderr]   --> src/main.rs:11:5
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr] 11 |     host_b.bind("127.0.0.1:9002".to_owned());
Dec 04 15:21:38.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.999 INFO [stderr] 
Dec 04 15:21:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.999 INFO [stderr]   --> src/main.rs:12:5
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr] 12 |     host_a.connect('b', "127.0.0.1:9002".to_owned());
Dec 04 15:21:38.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.999 INFO [stderr] 
Dec 04 15:21:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:38.999 INFO [stderr]   --> src/main.rs:13:5
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr] 13 |     host_b.connect('a', "127.0.0.1:9001".to_owned());
Dec 04 15:21:38.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:38.999 INFO [stderr]    |
Dec 04 15:21:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:38.999 INFO [stderr] 
Dec 04 15:21:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:21:39.000 INFO [stderr]   --> src/main.rs:14:5
Dec 04 15:21:39.000 INFO [stderr]    |
Dec 04 15:21:39.000 INFO [stderr] 14 |     host_a.send('b', "Hello, world!");
Dec 04 15:21:39.000 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:21:39.000 INFO [stderr]    |
Dec 04 15:21:39.000 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:21:39.000 INFO [stderr] 
Dec 04 15:21:39.035 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 04 15:21:39.035 INFO [stderr] su: No module specific data is present
Dec 04 15:21:40.083 INFO running `"docker" "inspect" "4f0b7041ca896da653f6fa0feb9089258a01ee668ffcd2a12648d56607d0754f"`
Dec 04 15:21:40.385 INFO running `"docker" "rm" "-f" "4f0b7041ca896da653f6fa0feb9089258a01ee668ffcd2a12648d56607d0754f"`
Dec 04 15:21:40.683 INFO [stdout] 4f0b7041ca896da653f6fa0feb9089258a01ee668ffcd2a12648d56607d0754f