Dec 19 13:52:16.946 INFO checking lambdude/router against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:52:16.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/lambdude/router:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:52:17.480 INFO [stdout] 1988872259b92f4e4d9754b160d73bba5e7755d551775d22a1a4d45f764a9320
Dec 19 13:52:17.486 INFO running `"docker" "start" "-a" "1988872259b92f4e4d9754b160d73bba5e7755d551775d22a1a4d45f764a9320"`
Dec 19 13:52:19.408 INFO [stderr]     Checking router v0.1.0 (/opt/crater/workdir)
Dec 19 13:52:19.708 INFO [stderr] warning: unused import: `SocketAddrV4`
Dec 19 13:52:19.708 INFO [stderr]  --> src/host.rs:1:40
Dec 19 13:52:19.708 INFO [stderr]   |
Dec 19 13:52:19.708 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddrV4};
Dec 19 13:52:19.708 INFO [stderr]   |                                        ^^^^^^^^^^^^
Dec 19 13:52:19.708 INFO [stderr]   |
Dec 19 13:52:19.708 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:52:19.708 INFO [stderr] 
Dec 19 13:52:19.708 INFO [stderr] warning: unused import: `message::*`
Dec 19 13:52:19.708 INFO [stderr]  --> src/main.rs:5:5
Dec 19 13:52:19.708 INFO [stderr]   |
Dec 19 13:52:19.708 INFO [stderr] 5 | use message::*;
Dec 19 13:52:19.708 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 13:52:19.708 INFO [stderr] 
Dec 19 13:52:19.796 INFO [stderr] warning: unused import: `SocketAddrV4`
Dec 19 13:52:19.796 INFO [stderr]  --> src/host.rs:1:40
Dec 19 13:52:19.796 INFO [stderr]   |
Dec 19 13:52:19.796 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddrV4};
Dec 19 13:52:19.796 INFO [stderr]   |                                        ^^^^^^^^^^^^
Dec 19 13:52:19.796 INFO [stderr]   |
Dec 19 13:52:19.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:52:19.796 INFO [stderr] 
Dec 19 13:52:19.796 INFO [stderr] warning: unused import: `message::*`
Dec 19 13:52:19.796 INFO [stderr]  --> src/main.rs:5:5
Dec 19 13:52:19.796 INFO [stderr]   |
Dec 19 13:52:19.796 INFO [stderr] 5 | use message::*;
Dec 19 13:52:19.796 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 13:52:19.796 INFO [stderr] 
Dec 19 13:52:19.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.860 INFO [stderr]   --> src/host.rs:72:13
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr] 72 |             stream.write(&message.payload());
Dec 19 13:52:19.860 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:52:19.860 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.860 INFO [stderr] 
Dec 19 13:52:19.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.860 INFO [stderr]   --> src/host.rs:92:13
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr] 92 |             stream.read(&mut buffer);
Dec 19 13:52:19.860 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.860 INFO [stderr] 
Dec 19 13:52:19.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.860 INFO [stderr]   --> src/main.rs:10:5
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr] 10 |     host_a.bind("127.0.0.1:9001".to_owned());
Dec 19 13:52:19.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.860 INFO [stderr] 
Dec 19 13:52:19.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.860 INFO [stderr]   --> src/main.rs:11:5
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr] 11 |     host_b.bind("127.0.0.1:9002".to_owned());
Dec 19 13:52:19.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.860 INFO [stderr] 
Dec 19 13:52:19.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.860 INFO [stderr]   --> src/main.rs:12:5
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr] 12 |     host_a.connect('b', "127.0.0.1:9002".to_owned());
Dec 19 13:52:19.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.860 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.860 INFO [stderr] 
Dec 19 13:52:19.860 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.860 INFO [stderr]   --> src/main.rs:13:5
Dec 19 13:52:19.860 INFO [stderr]    |
Dec 19 13:52:19.861 INFO [stderr] 13 |     host_b.connect('a', "127.0.0.1:9001".to_owned());
Dec 19 13:52:19.861 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.861 INFO [stderr]    |
Dec 19 13:52:19.861 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.861 INFO [stderr] 
Dec 19 13:52:19.861 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.861 INFO [stderr]   --> src/main.rs:14:5
Dec 19 13:52:19.861 INFO [stderr]    |
Dec 19 13:52:19.861 INFO [stderr] 14 |     host_a.send('b', "Hello, world!");
Dec 19 13:52:19.861 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.861 INFO [stderr]    |
Dec 19 13:52:19.861 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.861 INFO [stderr] 
Dec 19 13:52:19.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.892 INFO [stderr]   --> src/host.rs:72:13
Dec 19 13:52:19.892 INFO [stderr]    |
Dec 19 13:52:19.892 INFO [stderr] 72 |             stream.write(&message.payload());
Dec 19 13:52:19.892 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.892 INFO [stderr]    |
Dec 19 13:52:19.892 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:52:19.892 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.892 INFO [stderr] 
Dec 19 13:52:19.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.892 INFO [stderr]   --> src/host.rs:92:13
Dec 19 13:52:19.892 INFO [stderr]    |
Dec 19 13:52:19.892 INFO [stderr] 92 |             stream.read(&mut buffer);
Dec 19 13:52:19.892 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.892 INFO [stderr]    |
Dec 19 13:52:19.892 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.893 INFO [stderr] 
Dec 19 13:52:19.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.893 INFO [stderr]   --> src/main.rs:10:5
Dec 19 13:52:19.893 INFO [stderr]    |
Dec 19 13:52:19.893 INFO [stderr] 10 |     host_a.bind("127.0.0.1:9001".to_owned());
Dec 19 13:52:19.893 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.893 INFO [stderr]    |
Dec 19 13:52:19.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.893 INFO [stderr] 
Dec 19 13:52:19.893 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.893 INFO [stderr]   --> src/main.rs:11:5
Dec 19 13:52:19.893 INFO [stderr]    |
Dec 19 13:52:19.893 INFO [stderr] 11 |     host_b.bind("127.0.0.1:9002".to_owned());
Dec 19 13:52:19.893 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.893 INFO [stderr]    |
Dec 19 13:52:19.893 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.893 INFO [stderr] 
Dec 19 13:52:19.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.894 INFO [stderr]   --> src/main.rs:12:5
Dec 19 13:52:19.894 INFO [stderr]    |
Dec 19 13:52:19.894 INFO [stderr] 12 |     host_a.connect('b', "127.0.0.1:9002".to_owned());
Dec 19 13:52:19.894 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.894 INFO [stderr]    |
Dec 19 13:52:19.894 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.894 INFO [stderr] 
Dec 19 13:52:19.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.894 INFO [stderr]   --> src/main.rs:13:5
Dec 19 13:52:19.894 INFO [stderr]    |
Dec 19 13:52:19.894 INFO [stderr] 13 |     host_b.connect('a', "127.0.0.1:9001".to_owned());
Dec 19 13:52:19.894 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.894 INFO [stderr]    |
Dec 19 13:52:19.894 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.894 INFO [stderr] 
Dec 19 13:52:19.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:52:19.895 INFO [stderr]   --> src/main.rs:14:5
Dec 19 13:52:19.895 INFO [stderr]    |
Dec 19 13:52:19.895 INFO [stderr] 14 |     host_a.send('b', "Hello, world!");
Dec 19 13:52:19.895 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:19.895 INFO [stderr]    |
Dec 19 13:52:19.896 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:52:19.896 INFO [stderr] 
Dec 19 13:52:19.953 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 19 13:52:20.914 INFO running `"docker" "inspect" "1988872259b92f4e4d9754b160d73bba5e7755d551775d22a1a4d45f764a9320"`
Dec 19 13:52:21.180 INFO running `"docker" "rm" "-f" "1988872259b92f4e4d9754b160d73bba5e7755d551775d22a1a4d45f764a9320"`
Dec 19 13:52:21.536 INFO [stdout] 1988872259b92f4e4d9754b160d73bba5e7755d551775d22a1a4d45f764a9320