[INFO] updating cached repository tobyjsullivan/line-chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tobyjsullivan/line-chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tobyjsullivan/line-chat" "work/ex/beta-1.38-1/sources/1.37.0/gh/tobyjsullivan/line-chat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tobyjsullivan/line-chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tobyjsullivan/line-chat" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tobyjsullivan/line-chat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tobyjsullivan/line-chat on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tobyjsullivan/line-chat against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 32c36871ed9eddea46ad4f9b6d76df8b5cd175011588dcf55399ce0090825d99
[INFO] running `"docker" "start" "-a" "32c36871ed9eddea46ad4f9b6d76df8b5cd175011588dcf55399ce0090825d99"`
[INFO] [stderr]    Compiling tokio-executor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.0
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling tokio-io v0.1.5 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]    Compiling tokio-reactor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]    Compiling tokio v0.1.1 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]    Compiling 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 `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 10.51s
[INFO] running `"docker" "inspect" "32c36871ed9eddea46ad4f9b6d76df8b5cd175011588dcf55399ce0090825d99"`
[INFO] running `"docker" "rm" "-f" "32c36871ed9eddea46ad4f9b6d76df8b5cd175011588dcf55399ce0090825d99"`
[INFO] [stdout] 32c36871ed9eddea46ad4f9b6d76df8b5cd175011588dcf55399ce0090825d99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7fde0ac5712488d9d3d79a120fdf4bfc0addc7bb1e18b4d72a314b2a367d546b
[INFO] running `"docker" "start" "-a" "7fde0ac5712488d9d3d79a120fdf4bfc0addc7bb1e18b4d72a314b2a367d546b"`
[INFO] [stderr]    Compiling 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 `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 0.79s
[INFO] running `"docker" "inspect" "7fde0ac5712488d9d3d79a120fdf4bfc0addc7bb1e18b4d72a314b2a367d546b"`
[INFO] running `"docker" "rm" "-f" "7fde0ac5712488d9d3d79a120fdf4bfc0addc7bb1e18b4d72a314b2a367d546b"`
[INFO] [stdout] 7fde0ac5712488d9d3d79a120fdf4bfc0addc7bb1e18b4d72a314b2a367d546b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1a1e24b29fec81178d88bc6d6b3b9fe02f7a58546ff6fbd7022a6d9a40dfa37b
[INFO] running `"docker" "start" "-a" "1a1e24b29fec81178d88bc6d6b3b9fe02f7a58546ff6fbd7022a6d9a40dfa37b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/line_chat-9e9027edff62c882
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1a1e24b29fec81178d88bc6d6b3b9fe02f7a58546ff6fbd7022a6d9a40dfa37b"`
[INFO] running `"docker" "rm" "-f" "1a1e24b29fec81178d88bc6d6b3b9fe02f7a58546ff6fbd7022a6d9a40dfa37b"`
[INFO] [stdout] 1a1e24b29fec81178d88bc6d6b3b9fe02f7a58546ff6fbd7022a6d9a40dfa37b