[INFO] cloning repository https://github.com/djmitche/rust-chat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djmitche/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmitche%2Frust-chat"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmitche%2Frust-chat'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a5ac9f928239f5d50e7536a2d9ef003150445aa
[INFO] checking djmitche/rust-chat against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmitche%2Frust-chat" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djmitche/rust-chat on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/djmitche/rust-chat
[INFO] finished tweaking git repo https://github.com/djmitche/rust-chat
[INFO] tweaked toml for git repo https://github.com/djmitche/rust-chat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/djmitche/rust-chat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ae1edf619ebe9e18502b707d016a52cf93cb91e7560f2dae02b9f43f5069baca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ae1edf619ebe9e18502b707d016a52cf93cb91e7560f2dae02b9f43f5069baca"`
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:75:31
[INFO] [stderr]    |
[INFO] [stderr] 75 |     ) -> (ChatConnection, Box<Future<Item = (), Error = ()>>) {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:103:64
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Box::new(writer_fut.select(reader_fut).then(|_| Ok((()))).map(
[INFO] [stderr]     |                                                                ^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:138:27
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn serve(self) -> Box<Future<Item = (), Error = io::Error>> {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:75:31
[INFO] [stderr]    |
[INFO] [stderr] 75 |     ) -> (ChatConnection, Box<Future<Item = (), Error = ()>>) {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:103:64
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Box::new(writer_fut.select(reader_fut).then(|_| Ok((()))).map(
[INFO] [stderr]     |                                                                ^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:138:27
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn serve(self) -> Box<Future<Item = (), Error = io::Error>> {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `"docker" "inspect" "ae1edf619ebe9e18502b707d016a52cf93cb91e7560f2dae02b9f43f5069baca"`
[INFO] running `"docker" "rm" "-f" "ae1edf619ebe9e18502b707d016a52cf93cb91e7560f2dae02b9f43f5069baca"`
[INFO] [stdout] ae1edf619ebe9e18502b707d016a52cf93cb91e7560f2dae02b9f43f5069baca