[INFO] updating cached repository https://github.com/xla/warp-cors-log-testcase
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 21ee0e0951681d6d34236d315e09baf8c25ca1a9
[INFO] checking xla/warp-cors-log-testcase against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxla%2Fwarp-cors-log-testcase" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xla/warp-cors-log-testcase on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xla/warp-cors-log-testcase
[INFO] finished tweaking git repo https://github.com/xla/warp-cors-log-testcase
[INFO] tweaked toml for git repo https://github.com/xla/warp-cors-log-testcase written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/xla/warp-cors-log-testcase already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02d2ec169dcd87bd0ea93558270a76624fe770656b6f76e1bdb04d7e9424003c
[INFO] running `"docker" "start" "-a" "02d2ec169dcd87bd0ea93558270a76624fe770656b6f76e1bdb04d7e9424003c"`
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking tungstenite v0.9.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.34
[INFO] [stderr]    Compiling headers-derive v0.1.1
[INFO] [stderr]     Checking headers v0.2.1
[INFO] [stderr]     Checking warp v0.1.19
[INFO] [stderr] error[E0277]: the trait bound `!: std::convert::From<()>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:502:22
[INFO] [stderr]     |
[INFO] [stderr] 502 |                     .forward(tx.sink_map_err(|_| ()))
[INFO] [stderr]     |                      ^^^^^^^ the trait `std::convert::From<()>` is not implemented for `!`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see: https://github.com/rust-lang/rust/issues/48950 for more info). Consider whether you meant to use the type `()` here instead.
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `!: std::convert::From<()>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:503:22
[INFO] [stderr]     |
[INFO] [stderr] 503 |                     .map(|_| ());
[INFO] [stderr]     |                      ^^^ the trait `std::convert::From<()>` is not implemented for `!`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see: https://github.com/rust-lang/rust/issues/48950 for more info). Consider whether you meant to use the type `()` here instead.
[INFO] [stderr]     = note: required because of the requirements on the impl of `futures::Future` for `futures::stream::Forward<futures::stream::MapErr<futures::sync::mpsc::UnboundedReceiver<filters::ws::Message>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:499:30: 501:22]>, futures::sink::SinkMapErr<futures::stream::SplitSink<filters::ws::WebSocket>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:502:46: 502:52]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `!: std::convert::From<()>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:510:22
[INFO] [stderr]     |
[INFO] [stderr] 510 |                     .forward(rd_tx.sink_map_err(|_| ()))
[INFO] [stderr]     |                      ^^^^^^^ the trait `std::convert::From<()>` is not implemented for `!`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see: https://github.com/rust-lang/rust/issues/48950 for more info). Consider whether you meant to use the type `()` here instead.
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `!: std::convert::From<()>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:511:22
[INFO] [stderr]     |
[INFO] [stderr] 511 |                     .map(|_| ());
[INFO] [stderr]     |                      ^^^ the trait `std::convert::From<()>` is not implemented for `!`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see: https://github.com/rust-lang/rust/issues/48950 for more info). Consider whether you meant to use the type `()` here instead.
[INFO] [stderr]     = note: required because of the requirements on the impl of `futures::Future` for `futures::stream::Forward<futures::stream::Then<futures::stream::TakeWhile<futures::stream::SplitStream<filters::ws::WebSocket>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:506:33: 508:22], futures::Done<bool, error::Error>>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:509:27: 509:46], std::result::Result<std::result::Result<filters::ws::Message, error::Error>, !>>, futures::sink::SinkMapErr<futures::sync::mpsc::UnboundedSender<std::result::Result<filters::ws::Message, error::Error>>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:510:49: 510:55]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `!: std::convert::From<()>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:513:35
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 rt.block_on(write.join(read)).expect("websocket forward");
[INFO] [stderr]     |                                   ^^^^ the trait `std::convert::From<()>` is not implemented for `!`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see: https://github.com/rust-lang/rust/issues/48950 for more info). Consider whether you meant to use the type `()` here instead.
[INFO] [stderr]     = note: required because of the requirements on the impl of `futures::Future` for `futures::stream::Forward<futures::stream::MapErr<futures::sync::mpsc::UnboundedReceiver<filters::ws::Message>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:499:30: 501:22]>, futures::sink::SinkMapErr<futures::stream::SplitSink<filters::ws::WebSocket>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:502:46: 502:52]>>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `futures::Future` for `futures::Map<futures::stream::Forward<futures::stream::MapErr<futures::sync::mpsc::UnboundedReceiver<filters::ws::Message>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:499:30: 501:22]>, futures::sink::SinkMapErr<futures::stream::SplitSink<filters::ws::WebSocket>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:502:46: 502:52]>>, [closure@/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.19/src/test.rs:503:26: 503:32]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `warp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "02d2ec169dcd87bd0ea93558270a76624fe770656b6f76e1bdb04d7e9424003c"`
[INFO] running `"docker" "rm" "-f" "02d2ec169dcd87bd0ea93558270a76624fe770656b6f76e1bdb04d7e9424003c"`
[INFO] [stdout] 02d2ec169dcd87bd0ea93558270a76624fe770656b6f76e1bdb04d7e9424003c