[INFO] cloning repository tobyjsullivan/line-chat
[INFO] running `"git" "clone" "--bare" "git://github.com/tobyjsullivan/line-chat.git" "work/cache/sources/gh/tobyjsullivan/line-chat"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tobyjsullivan/line-chat'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tobyjsullivan/line-chat" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tobyjsullivan/line-chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tobyjsullivan/line-chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tobyjsullivan/line-chat" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tobyjsullivan/line-chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tobyjsullivan/line-chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 931028ec94748dc37fee02cf7c2de681c320d124
[INFO] sha for GitHub repo tobyjsullivan/line-chat: 931028ec94748dc37fee02cf7c2de681c320d124
[INFO] validating manifest of tobyjsullivan/line-chat on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tobyjsullivan/line-chat on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tobyjsullivan/line-chat
[INFO] finished frobbing tobyjsullivan/line-chat
[INFO] frobbed toml for tobyjsullivan/line-chat written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tobyjsullivan/line-chat/Cargo.toml
[INFO] started frobbing tobyjsullivan/line-chat
[INFO] finished frobbing tobyjsullivan/line-chat
[INFO] frobbed toml for tobyjsullivan/line-chat written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tobyjsullivan/line-chat/Cargo.toml
[INFO] crate tobyjsullivan/line-chat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tobyjsullivan/line-chat against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tobyjsullivan/line-chat:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bec8bb4fdfa9a29d94fec7173c4fd36bad9995a456d3c7dc47f0dd895ed52e3a
[INFO] running `"docker" "start" "-a" "bec8bb4fdfa9a29d94fec7173c4fd36bad9995a456d3c7dc47f0dd895ed52e3a"`
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking tokio-executor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]     Checking crossbeam-epoch v0.4.0
[INFO] [stderr]     Checking mio v0.6.13
[INFO] [stderr]     Checking tokio-io v0.1.5 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]     Checking tokio-io v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]     Checking tokio-reactor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]     Checking tokio v0.1.1 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]     Checking line-chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `env`
[INFO] [stderr]  --> src/main.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{env, io};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::os::unix::io::AsRawFd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `empty`
[INFO] [stderr]  --> src/main.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures::future::{lazy, empty};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::sys::socket`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use nix::sys::socket;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::sys::socket::sockopt::Broadcast`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use nix::sys::socket::sockopt::Broadcast;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `to_send`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     to_send: Option<(usize, SocketAddr)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `env`
[INFO] [stderr]  --> src/main.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{env, io};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::os::unix::io::AsRawFd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `empty`
[INFO] [stderr]  --> src/main.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures::future::{lazy, empty};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr] warning: unused import: `nix::sys::socket`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use nix::sys::socket;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr] 58 |         server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: unused import: `nix::sys::socket::sockopt::Broadcast`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use nix::sys::socket::sockopt::Broadcast;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `to_send`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     to_send: Option<(usize, SocketAddr)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `"docker" "inspect" "bec8bb4fdfa9a29d94fec7173c4fd36bad9995a456d3c7dc47f0dd895ed52e3a"`
[INFO] running `"docker" "rm" "-f" "bec8bb4fdfa9a29d94fec7173c4fd36bad9995a456d3c7dc47f0dd895ed52e3a"`
[INFO] [stdout] bec8bb4fdfa9a29d94fec7173c4fd36bad9995a456d3c7dc47f0dd895ed52e3a