Dec 17 20:55:49.909 INFO checking lambdude/router against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:55:49.909 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:55:50.328 INFO [stdout] a52dfca7f66e829a7fe4dc14c11aad79e0440161e7be65829cfba206f064c6c7
Dec 17 20:55:50.336 INFO running `"docker" "start" "-a" "a52dfca7f66e829a7fe4dc14c11aad79e0440161e7be65829cfba206f064c6c7"`
Dec 17 20:55:52.352 INFO [stderr]     Checking router v0.1.0 (/opt/crater/workdir)
Dec 17 20:55:52.636 INFO [stderr] warning: unused import: `SocketAddrV4`
Dec 17 20:55:52.636 INFO [stderr]  --> src/host.rs:1:40
Dec 17 20:55:52.636 INFO [stderr]   |
Dec 17 20:55:52.636 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddrV4};
Dec 17 20:55:52.636 INFO [stderr]   |                                        ^^^^^^^^^^^^
Dec 17 20:55:52.636 INFO [stderr]   |
Dec 17 20:55:52.636 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:55:52.636 INFO [stderr] 
Dec 17 20:55:52.636 INFO [stderr] warning: unused import: `message::*`
Dec 17 20:55:52.636 INFO [stderr]  --> src/main.rs:5:5
Dec 17 20:55:52.636 INFO [stderr]   |
Dec 17 20:55:52.636 INFO [stderr] 5 | use message::*;
Dec 17 20:55:52.636 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 20:55:52.636 INFO [stderr] 
Dec 17 20:55:52.688 INFO [stderr] warning: unused import: `SocketAddrV4`
Dec 17 20:55:52.688 INFO [stderr]  --> src/host.rs:1:40
Dec 17 20:55:52.688 INFO [stderr]   |
Dec 17 20:55:52.688 INFO [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddrV4};
Dec 17 20:55:52.688 INFO [stderr]   |                                        ^^^^^^^^^^^^
Dec 17 20:55:52.688 INFO [stderr]   |
Dec 17 20:55:52.688 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:55:52.688 INFO [stderr] 
Dec 17 20:55:52.688 INFO [stderr] warning: unused import: `message::*`
Dec 17 20:55:52.688 INFO [stderr]  --> src/main.rs:5:5
Dec 17 20:55:52.688 INFO [stderr]   |
Dec 17 20:55:52.688 INFO [stderr] 5 | use message::*;
Dec 17 20:55:52.688 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 20:55:52.688 INFO [stderr] 
Dec 17 20:55:52.809 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.809 INFO [stderr]   --> src/host.rs:72:13
Dec 17 20:55:52.809 INFO [stderr]    |
Dec 17 20:55:52.809 INFO [stderr] 72 |             stream.write(&message.payload());
Dec 17 20:55:52.809 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.809 INFO [stderr]    |
Dec 17 20:55:52.809 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:55:52.809 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.809 INFO [stderr] 
Dec 17 20:55:52.809 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.809 INFO [stderr]   --> src/host.rs:92:13
Dec 17 20:55:52.809 INFO [stderr]    |
Dec 17 20:55:52.809 INFO [stderr] 92 |             stream.read(&mut buffer);
Dec 17 20:55:52.809 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.809 INFO [stderr]    |
Dec 17 20:55:52.809 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.809 INFO [stderr] 
Dec 17 20:55:52.809 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.809 INFO [stderr]   --> src/main.rs:10:5
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr] 10 |     host_a.bind("127.0.0.1:9001".to_owned());
Dec 17 20:55:52.810 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.810 INFO [stderr] 
Dec 17 20:55:52.810 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.810 INFO [stderr]   --> src/main.rs:11:5
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr] 11 |     host_b.bind("127.0.0.1:9002".to_owned());
Dec 17 20:55:52.810 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.810 INFO [stderr] 
Dec 17 20:55:52.810 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.810 INFO [stderr]   --> src/main.rs:12:5
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr] 12 |     host_a.connect('b', "127.0.0.1:9002".to_owned());
Dec 17 20:55:52.810 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.810 INFO [stderr] 
Dec 17 20:55:52.810 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.810 INFO [stderr]   --> src/main.rs:13:5
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr] 13 |     host_b.connect('a', "127.0.0.1:9001".to_owned());
Dec 17 20:55:52.810 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.810 INFO [stderr] 
Dec 17 20:55:52.810 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.810 INFO [stderr]   --> src/main.rs:14:5
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr] 14 |     host_a.send('b', "Hello, world!");
Dec 17 20:55:52.810 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.810 INFO [stderr]    |
Dec 17 20:55:52.810 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.810 INFO [stderr] 
Dec 17 20:55:52.856 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.868 INFO [stderr]   --> src/host.rs:72:13
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr] 72 |             stream.write(&message.payload());
Dec 17 20:55:52.868 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:55:52.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.868 INFO [stderr] 
Dec 17 20:55:52.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.868 INFO [stderr]   --> src/host.rs:92:13
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr] 92 |             stream.read(&mut buffer);
Dec 17 20:55:52.868 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.868 INFO [stderr] 
Dec 17 20:55:52.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.868 INFO [stderr]   --> src/main.rs:10:5
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr] 10 |     host_a.bind("127.0.0.1:9001".to_owned());
Dec 17 20:55:52.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.868 INFO [stderr] 
Dec 17 20:55:52.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.868 INFO [stderr]   --> src/main.rs:11:5
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr] 11 |     host_b.bind("127.0.0.1:9002".to_owned());
Dec 17 20:55:52.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.868 INFO [stderr] 
Dec 17 20:55:52.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.868 INFO [stderr]   --> src/main.rs:12:5
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr] 12 |     host_a.connect('b', "127.0.0.1:9002".to_owned());
Dec 17 20:55:52.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.868 INFO [stderr]    |
Dec 17 20:55:52.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.868 INFO [stderr] 
Dec 17 20:55:52.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.869 INFO [stderr]   --> src/main.rs:13:5
Dec 17 20:55:52.869 INFO [stderr]    |
Dec 17 20:55:52.869 INFO [stderr] 13 |     host_b.connect('a', "127.0.0.1:9001".to_owned());
Dec 17 20:55:52.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.869 INFO [stderr]    |
Dec 17 20:55:52.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.869 INFO [stderr] 
Dec 17 20:55:52.869 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:55:52.869 INFO [stderr]   --> src/main.rs:14:5
Dec 17 20:55:52.869 INFO [stderr]    |
Dec 17 20:55:52.869 INFO [stderr] 14 |     host_a.send('b', "Hello, world!");
Dec 17 20:55:52.869 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:55:52.869 INFO [stderr]    |
Dec 17 20:55:52.869 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:55:52.869 INFO [stderr] 
Dec 17 20:55:52.912 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 17 20:55:54.436 INFO running `"docker" "inspect" "a52dfca7f66e829a7fe4dc14c11aad79e0440161e7be65829cfba206f064c6c7"`
Dec 17 20:55:54.830 INFO running `"docker" "rm" "-f" "a52dfca7f66e829a7fe4dc14c11aad79e0440161e7be65829cfba206f064c6c7"`
Dec 17 20:55:55.144 INFO [stdout] a52dfca7f66e829a7fe4dc14c11aad79e0440161e7be65829cfba206f064c6c7