[INFO] cloning repository https://github.com/pinkforest/repro-async-std-async-smtp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/repro-async-std-async-smtp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Frepro-async-std-async-smtp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Frepro-async-std-async-smtp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f381de938c808ecd569e238d4ef7d7cb14ccd9e9
[INFO] testing pinkforest/repro-async-std-async-smtp/f381de938c808ecd569e238d4ef7d7cb14ccd9e9 against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Frepro-async-std-async-smtp" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pinkforest/repro-async-std-async-smtp
[INFO] finished tweaking git repo https://github.com/pinkforest/repro-async-std-async-smtp
[INFO] tweaked toml for git repo https://github.com/pinkforest/repro-async-std-async-smtp written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pinkforest/repro-async-std-async-smtp on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pinkforest/repro-async-std-async-smtp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded async-smtp v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a286426a2925291e429a665f4cdec01dcf6a5959ee4f0a475604ea46ef7b7df2
[INFO] running `Command { std: "docker" "start" "-a" "a286426a2925291e429a665f4cdec01dcf6a5959ee4f0a475604ea46ef7b7df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a286426a2925291e429a665f4cdec01dcf6a5959ee4f0a475604ea46ef7b7df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a286426a2925291e429a665f4cdec01dcf6a5959ee4f0a475604ea46ef7b7df2", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77bc52f2ac070d86fcfaaa25ebc31bcd41a792d7f6ad7c354a98efae19999f97
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[INFO] [stderr]    Compiling async-smtp v0.9.1
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[INFO] [stdout] error[E0277]: the trait bound `async_std::net::TcpStream: async_std::io::BufRead` is not satisfied
[INFO] [stdout]    --> src/main.rs:9:52
[INFO] [stdout]     |
[INFO] [stdout]   9 |     let mut transport = SmtpTransport::new(client, stream).await.unwrap();
[INFO] [stdout]     |                         ------------------         ^^^^^^ the trait `async_std::io::BufRead` is not implemented for `async_std::net::TcpStream`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `async_std::io::BufRead`:
[INFO] [stdout]               &[u8]
[INFO] [stdout]               &mut T
[INFO] [stdout]               Box<T>
[INFO] [stdout]               Pin<P>
[INFO] [stdout]               async_std::io::BufReader<R>
[INFO] [stdout]               async_std::io::Chain<T, U>
[INFO] [stdout]               async_std::io::Cursor<T>
[INFO] [stdout]               async_std::io::Empty
[INFO] [stdout]             and 20 others
[INFO] [stdout] note: required by a bound in `SmtpTransport::<S>::new`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-smtp-0.9.1/src/smtp_client.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl<S: BufRead + Write + Unpin> SmtpTransport<S> {
[INFO] [stdout]     |         ^^^^^^^ required by this bound in `SmtpTransport::<S>::new`
[INFO] [stdout] 104 |     /// Creates a new SMTP transport and connects.
[INFO] [stdout] 105 |     pub async fn new(builder: SmtpClient, stream: S) -> Result<Self, Error> {
[INFO] [stdout]     |                  --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `async_std::net::TcpStream: async_std::io::BufRead` is not satisfied
[INFO] [stdout]    --> src/main.rs:9:25
[INFO] [stdout]     |
[INFO] [stdout]   9 |     let mut transport = SmtpTransport::new(client, stream).await.unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `async_std::io::BufRead` is not implemented for `async_std::net::TcpStream`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `async_std::io::BufRead`:
[INFO] [stdout]               &[u8]
[INFO] [stdout]               &mut T
[INFO] [stdout]               Box<T>
[INFO] [stdout]               Pin<P>
[INFO] [stdout]               async_std::io::BufReader<R>
[INFO] [stdout]               async_std::io::Chain<T, U>
[INFO] [stdout]               async_std::io::Cursor<T>
[INFO] [stdout]               async_std::io::Empty
[INFO] [stdout]             and 20 others
[INFO] [stdout] note: required by a bound in `SmtpTransport<S>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-smtp-0.9.1/src/smtp_client.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl<S: BufRead + Write + Unpin> SmtpTransport<S> {
[INFO] [stdout]     |         ^^^^^^^ required by this bound in `SmtpTransport<S>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `async_std::net::TcpStream: async_std::io::BufRead` is not satisfied
[INFO] [stdout]    --> src/main.rs:9:60
[INFO] [stdout]     |
[INFO] [stdout]   9 |     let mut transport = SmtpTransport::new(client, stream).await.unwrap();
[INFO] [stdout]     |                                                            ^^^^^ the trait `async_std::io::BufRead` is not implemented for `async_std::net::TcpStream`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `async_std::io::BufRead`:
[INFO] [stdout]               &[u8]
[INFO] [stdout]               &mut T
[INFO] [stdout]               Box<T>
[INFO] [stdout]               Pin<P>
[INFO] [stdout]               async_std::io::BufReader<R>
[INFO] [stdout]               async_std::io::Chain<T, U>
[INFO] [stdout]               async_std::io::Cursor<T>
[INFO] [stdout]               async_std::io::Empty
[INFO] [stdout]             and 20 others
[INFO] [stdout] note: required by a bound in `SmtpTransport<S>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-smtp-0.9.1/src/smtp_client.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl<S: BufRead + Write + Unpin> SmtpTransport<S> {
[INFO] [stdout]     |         ^^^^^^^ required by this bound in `SmtpTransport<S>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `async_std::net::TcpStream: async_std::io::BufRead` is not satisfied
[INFO] [stdout]   --> src/main.rs:9:25
[INFO] [stdout]    |
[INFO] [stdout]  9 |     let mut transport = SmtpTransport::new(client, stream).await.unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `async_std::io::BufRead` is not implemented for `async_std::net::TcpStream`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `async_std::io::BufRead`:
[INFO] [stdout]              &[u8]
[INFO] [stdout]              &mut T
[INFO] [stdout]              Box<T>
[INFO] [stdout]              Pin<P>
[INFO] [stdout]              async_std::io::BufReader<R>
[INFO] [stdout]              async_std::io::Chain<T, U>
[INFO] [stdout]              async_std::io::Cursor<T>
[INFO] [stdout]              async_std::io::Empty
[INFO] [stdout]            and 20 others
[INFO] [stdout] note: required by a bound in `SmtpTransport`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-smtp-0.9.1/src/smtp_client.rs:94:29
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct SmtpTransport<S: BufRead + Write + Unpin> {
[INFO] [stdout]    |                             ^^^^^^^ required by this bound in `SmtpTransport`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `repro-async-std` (bin "repro-async-std") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "77bc52f2ac070d86fcfaaa25ebc31bcd41a792d7f6ad7c354a98efae19999f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bc52f2ac070d86fcfaaa25ebc31bcd41a792d7f6ad7c354a98efae19999f97", kill_on_drop: false }`
[INFO] [stdout] 77bc52f2ac070d86fcfaaa25ebc31bcd41a792d7f6ad7c354a98efae19999f97
