[INFO] updating cached repository https://github.com/tobyjsullivan/line-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 931028ec94748dc37fee02cf7c2de681c320d124
[INFO] testing tobyjsullivan/line-chat against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobyjsullivan%2Fline-chat" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tobyjsullivan/line-chat on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tobyjsullivan/line-chat
[INFO] finished tweaking git repo https://github.com/tobyjsullivan/line-chat
[INFO] tweaked toml for git repo https://github.com/tobyjsullivan/line-chat written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/tobyjsullivan/line-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 722ca766316d5375d5ba0ee34cb4b9d041e650be6e4c6350f0eb5e807b8c8460
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "722ca766316d5375d5ba0ee34cb4b9d041e650be6e4c6350f0eb5e807b8c8460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722ca766316d5375d5ba0ee34cb4b9d041e650be6e4c6350f0eb5e807b8c8460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722ca766316d5375d5ba0ee34cb4b9d041e650be6e4c6350f0eb5e807b8c8460", kill_on_drop: false }`
[INFO] [stdout] 722ca766316d5375d5ba0ee34cb4b9d041e650be6e4c6350f0eb5e807b8c8460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 409ec83eef10732f110086fbdaaf608d28c47542adf3a3af148d1bc1e2cea5d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "409ec83eef10732f110086fbdaaf608d28c47542adf3a3af148d1bc1e2cea5d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tokio-executor v0.1.0 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]    Compiling tokio-io v0.1.5 (https://github.com/tokio-rs/tokio#5555cbc8)
[INFO] [stderr]    Compiling tokio-io v0.1.5
[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/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::unix::io::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `empty`
[INFO] [stdout]  --> src/main.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::future::{lazy, empty};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::socket`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use nix::sys::socket;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::socket::sockopt::Broadcast`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use nix::sys::socket::sockopt::Broadcast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `to_send`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     to_send: Option<(usize, SocketAddr)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.41s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "409ec83eef10732f110086fbdaaf608d28c47542adf3a3af148d1bc1e2cea5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409ec83eef10732f110086fbdaaf608d28c47542adf3a3af148d1bc1e2cea5d7", kill_on_drop: false }`
[INFO] [stdout] 409ec83eef10732f110086fbdaaf608d28c47542adf3a3af148d1bc1e2cea5d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 339edc7efdf03182e51846c4af428aa9a8ca2e9bbd51ac92d062eed12b49a42f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "339edc7efdf03182e51846c4af428aa9a8ca2e9bbd51ac92d062eed12b49a42f", kill_on_drop: false }`
[INFO] [stderr]    Compiling line-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::unix::io::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `empty`
[INFO] [stdout]  --> src/main.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::future::{lazy, empty};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::socket`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use nix::sys::socket;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::socket::sockopt::Broadcast`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use nix::sys::socket::sockopt::Broadcast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `to_send`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     to_send: Option<(usize, SocketAddr)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         server.socket.poll_send_to(&msg.into_bytes().as_slice(), &bc_addr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "339edc7efdf03182e51846c4af428aa9a8ca2e9bbd51ac92d062eed12b49a42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339edc7efdf03182e51846c4af428aa9a8ca2e9bbd51ac92d062eed12b49a42f", kill_on_drop: false }`
[INFO] [stdout] 339edc7efdf03182e51846c4af428aa9a8ca2e9bbd51ac92d062eed12b49a42f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f965974691ee0fa0f527278a7405519240a31d1609812997b1bbc6b98ede2000
[INFO] running `Command { std: "docker" "start" "-a" "f965974691ee0fa0f527278a7405519240a31d1609812997b1bbc6b98ede2000", kill_on_drop: false }`
[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 read: `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] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/line_chat-78184093fe0587fe
[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 `Command { std: "docker" "inspect" "f965974691ee0fa0f527278a7405519240a31d1609812997b1bbc6b98ede2000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f965974691ee0fa0f527278a7405519240a31d1609812997b1bbc6b98ede2000", kill_on_drop: false }`
[INFO] [stdout] f965974691ee0fa0f527278a7405519240a31d1609812997b1bbc6b98ede2000