[INFO] updating cached repository https://github.com/hwchen/example-wrap-stream
[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] 5096fbe05b89a3df201efe37048f62b034865139
[INFO] testing hwchen/example-wrap-stream against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fexample-wrap-stream" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hwchen/example-wrap-stream on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hwchen/example-wrap-stream
[INFO] finished tweaking git repo https://github.com/hwchen/example-wrap-stream
[INFO] tweaked toml for git repo https://github.com/hwchen/example-wrap-stream written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hwchen/example-wrap-stream already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2dd44bee7d9693b96a7dbd20e4039333accb74489930f1cdf77a7ff1cd888bda
[INFO] running `"docker" "start" "-a" "2dd44bee7d9693b96a7dbd20e4039333accb74489930f1cdf77a7ff1cd888bda"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling example-wrap-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Tokio02AsyncWriteCompatExt`
[INFO] [stderr]  --> src/main.rs:7:61
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio_util::compat::{Compat, Tokio02AsyncReadCompatExt, Tokio02AsyncWriteCompatExt};
[INFO] [stderr]   |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll_read` found for struct `tokio_util::compat::Compat<tokio::net::tcp::stream::TcpStream>` in the current scope
[INFO] [stderr]   --> src/main.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |         (*self.0).poll_read(cx, buf)
[INFO] [stderr]    |                   ^^^^^^^^^ method not found in `tokio_util::compat::Compat<tokio::net::tcp::stream::TcpStream>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll_write` found for struct `std::pin::Pin<&mut &tokio_util::compat::Compat<tokio::net::tcp::stream::TcpStream>>` in the current scope
[INFO] [stderr]   --> src/main.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 |         Pin::new(&mut &*self.0).poll_write(cx, buf)
[INFO] [stderr]    |                                 ^^^^^^^^^^ method not found in `std::pin::Pin<&mut &tokio_util::compat::Compat<tokio::net::tcp::stream::TcpStream>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll_flush` found for struct `std::pin::Pin<&mut &tokio_util::compat::Compat<tokio::net::tcp::stream::TcpStream>>` in the current scope
[INFO] [stderr]   --> src/main.rs:53:33
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Pin::new(&mut &*self.0).poll_flush(cx)
[INFO] [stderr]    |                                 ^^^^^^^^^^ method not found in `std::pin::Pin<&mut &tokio_util::compat::Compat<tokio::net::tcp::stream::TcpStream>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll_close` found for struct `std::pin::Pin<&mut &tokio_util::compat::Compat<tokio::net::tcp::stream::TcpStream>>` in the current scope
[INFO] [stderr]   --> src/main.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |         Pin::new(&mut &*self.0).poll_close(cx)
[INFO] [stderr]    |                                 ^^^^^^^^^^ method not found in `std::pin::Pin<&mut &tokio_util::compat::Compat<tokio::net::tcp::stream::TcpStream>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `example-wrap-stream`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2dd44bee7d9693b96a7dbd20e4039333accb74489930f1cdf77a7ff1cd888bda"`
[INFO] running `"docker" "rm" "-f" "2dd44bee7d9693b96a7dbd20e4039333accb74489930f1cdf77a7ff1cd888bda"`
[INFO] [stdout] 2dd44bee7d9693b96a7dbd20e4039333accb74489930f1cdf77a7ff1cd888bda