[INFO] fetching crate futures_codec 0.4.1...
[INFO] checking futures_codec-0.4.1 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate futures_codec 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate futures_codec 0.4.1 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures_codec 0.4.1
[INFO] finished tweaking crates.io crate futures_codec 0.4.1
[INFO] tweaked toml for crates.io crate futures_codec 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f60b19dedd510abdca06f3d5193be1be347f7dd013bcbcbc17e2d21fbbeb3d83
[INFO] running `Command { std: "docker" "start" "-a" "f60b19dedd510abdca06f3d5193be1be347f7dd013bcbcbc17e2d21fbbeb3d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f60b19dedd510abdca06f3d5193be1be347f7dd013bcbcbc17e2d21fbbeb3d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60b19dedd510abdca06f3d5193be1be347f7dd013bcbcbc17e2d21fbbeb3d83", kill_on_drop: false }`
[INFO] [stdout] f60b19dedd510abdca06f3d5193be1be347f7dd013bcbcbc17e2d21fbbeb3d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e2602c839744f96d84dad5dc2d632b1e8640d532736baa25b60ae10ee181438
[INFO] running `Command { std: "docker" "start" "-a" "6e2602c839744f96d84dad5dc2d632b1e8640d532736baa25b60ae10ee181438", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-util v0.3.29
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking futures_codec v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `std::io::Cursor<&String>: AsyncRead` is not satisfied
[INFO] [stdout]   --> benches/lines.rs:20:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut framed = FramedRead::new(read, LinesCodec {});
[INFO] [stdout]    |                              --------------- ^^^^ the trait `AsyncRead` is not implemented for `std::io::Cursor<&String>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `AsyncRead`:
[INFO] [stdout]              Box<T>
[INFO] [stdout]              futures_codec::framed_write::FramedWrite2<T>
[INFO] [stdout]              futures::io::Empty
[INFO] [stdout]              futures::io::Repeat
[INFO] [stdout]              Either<A, B>
[INFO] [stdout]              IntoAsyncRead<St>
[INFO] [stdout]              AllowStdIo<T>
[INFO] [stdout]              futures::io::BufReader<R>
[INFO] [stdout]            and 8 others
[INFO] [stdout] note: required by a bound in `FramedRead::<T, D>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/framed_read.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     T: AsyncRead,
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `FramedRead::<T, D>::new`
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn new(inner: T, decoder: D) -> Self {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |             framed.try_next().await.is_ok()
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::io::Cursor<&String>: AsyncRead` is not satisfied
[INFO] [stdout]   --> benches/lines.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let mut framed = FramedRead::new(read, LinesCodec {});
[INFO] [stdout]    |                              --------------- ^^^^ the trait `AsyncRead` is not implemented for `std::io::Cursor<&String>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `AsyncRead`:
[INFO] [stdout]              Box<T>
[INFO] [stdout]              futures_codec::framed_write::FramedWrite2<T>
[INFO] [stdout]              futures::io::Empty
[INFO] [stdout]              futures::io::Repeat
[INFO] [stdout]              Either<A, B>
[INFO] [stdout]              IntoAsyncRead<St>
[INFO] [stdout]              AllowStdIo<T>
[INFO] [stdout]              futures::io::BufReader<R>
[INFO] [stdout]            and 8 others
[INFO] [stdout] note: required by a bound in `FramedRead::<T, D>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/framed_read.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     T: AsyncRead,
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `FramedRead::<T, D>::new`
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn new(inner: T, decoder: D) -> Self {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |             framed.try_next().await.is_ok()
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::io::Cursor<&String>: AsyncRead` is not satisfied
[INFO] [stdout]   --> benches/lines.rs:60:46
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut framed = FramedRead::new(read, LinesCodec {});
[INFO] [stdout]    |                              --------------- ^^^^ the trait `AsyncRead` is not implemented for `std::io::Cursor<&String>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `AsyncRead`:
[INFO] [stdout]              Box<T>
[INFO] [stdout]              futures_codec::framed_write::FramedWrite2<T>
[INFO] [stdout]              futures::io::Empty
[INFO] [stdout]              futures::io::Repeat
[INFO] [stdout]              Either<A, B>
[INFO] [stdout]              IntoAsyncRead<St>
[INFO] [stdout]              AllowStdIo<T>
[INFO] [stdout]              futures::io::BufReader<R>
[INFO] [stdout]            and 8 others
[INFO] [stdout] note: required by a bound in `FramedRead::<T, D>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/framed_read.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     T: AsyncRead,
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `FramedRead::<T, D>::new`
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn new(inner: T, decoder: D) -> Self {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:63:20
[INFO] [stdout]    |
[INFO] [stdout] 63 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |             framed.try_next().await.is_ok()
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/4d1bd0db7f489b22c6d8aa2385937a95412c015b/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStreamExt`
[INFO] [stdout]  --> benches/lines.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::{executor, TryStreamExt};
[INFO] [stdout]   |                         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures_codec` (bench "lines") due to 13 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6e2602c839744f96d84dad5dc2d632b1e8640d532736baa25b60ae10ee181438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2602c839744f96d84dad5dc2d632b1e8640d532736baa25b60ae10ee181438", kill_on_drop: false }`
[INFO] [stdout] 6e2602c839744f96d84dad5dc2d632b1e8640d532736baa25b60ae10ee181438
[INFO] checking futures_codec-0.4.1 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate futures_codec 0.4.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate futures_codec 0.4.1 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures_codec 0.4.1
[INFO] finished tweaking crates.io crate futures_codec 0.4.1
[INFO] tweaked toml for crates.io crate futures_codec 0.4.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 912ece4ad7328dd1ab6a7b4c8376dc5179e2b12cb7ef6462bdee7ca910dbe580
[INFO] running `Command { std: "docker" "start" "-a" "912ece4ad7328dd1ab6a7b4c8376dc5179e2b12cb7ef6462bdee7ca910dbe580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "912ece4ad7328dd1ab6a7b4c8376dc5179e2b12cb7ef6462bdee7ca910dbe580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912ece4ad7328dd1ab6a7b4c8376dc5179e2b12cb7ef6462bdee7ca910dbe580", kill_on_drop: false }`
[INFO] [stdout] 912ece4ad7328dd1ab6a7b4c8376dc5179e2b12cb7ef6462bdee7ca910dbe580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c509a1f4fdc13fc230992baa8ca1bdcacd945cdc4c8993c99594fb834c8001
[INFO] running `Command { std: "docker" "start" "-a" "14c509a1f4fdc13fc230992baa8ca1bdcacd945cdc4c8993c99594fb834c8001", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-util v0.3.29
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking futures_codec v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `std::io::Cursor<&String>: AsyncRead` is not satisfied
[INFO] [stdout]   --> benches/lines.rs:20:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut framed = FramedRead::new(read, LinesCodec {});
[INFO] [stdout]    |                              --------------- ^^^^ the trait `AsyncRead` is not implemented for `std::io::Cursor<&String>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `AsyncRead`:
[INFO] [stdout]              Box<T>
[INFO] [stdout]              futures_codec::framed_write::FramedWrite2<T>
[INFO] [stdout]              futures::io::Empty
[INFO] [stdout]              futures::io::Repeat
[INFO] [stdout]              Either<A, B>
[INFO] [stdout]              IntoAsyncRead<St>
[INFO] [stdout]              AllowStdIo<T>
[INFO] [stdout]              futures::io::BufReader<R>
[INFO] [stdout]            and 8 others
[INFO] [stdout] note: required by a bound in `FramedRead::<T, D>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/framed_read.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     T: AsyncRead,
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `FramedRead::<T, D>::new`
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn new(inner: T, decoder: D) -> Self {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |             framed.try_next().await.is_ok()
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::io::Cursor<&String>: AsyncRead` is not satisfied
[INFO] [stdout]   --> benches/lines.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let mut framed = FramedRead::new(read, LinesCodec {});
[INFO] [stdout]    |                              --------------- ^^^^ the trait `AsyncRead` is not implemented for `std::io::Cursor<&String>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `AsyncRead`:
[INFO] [stdout]              Box<T>
[INFO] [stdout]              futures_codec::framed_write::FramedWrite2<T>
[INFO] [stdout]              futures::io::Empty
[INFO] [stdout]              futures::io::Repeat
[INFO] [stdout]              Either<A, B>
[INFO] [stdout]              IntoAsyncRead<St>
[INFO] [stdout]              AllowStdIo<T>
[INFO] [stdout]              futures::io::BufReader<R>
[INFO] [stdout]            and 8 others
[INFO] [stdout] note: required by a bound in `FramedRead::<T, D>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/framed_read.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     T: AsyncRead,
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `FramedRead::<T, D>::new`
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn new(inner: T, decoder: D) -> Self {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |             framed.try_next().await.is_ok()
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::io::Cursor<&String>: AsyncRead` is not satisfied
[INFO] [stdout]   --> benches/lines.rs:60:46
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let mut framed = FramedRead::new(read, LinesCodec {});
[INFO] [stdout]    |                              --------------- ^^^^ the trait `AsyncRead` is not implemented for `std::io::Cursor<&String>`
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `AsyncRead`:
[INFO] [stdout]              Box<T>
[INFO] [stdout]              futures_codec::framed_write::FramedWrite2<T>
[INFO] [stdout]              futures::io::Empty
[INFO] [stdout]              futures::io::Repeat
[INFO] [stdout]              Either<A, B>
[INFO] [stdout]              IntoAsyncRead<St>
[INFO] [stdout]              AllowStdIo<T>
[INFO] [stdout]              futures::io::BufReader<R>
[INFO] [stdout]            and 8 others
[INFO] [stdout] note: required by a bound in `FramedRead::<T, D>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/framed_read.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     T: AsyncRead,
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `FramedRead::<T, D>::new`
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn new(inner: T, decoder: D) -> Self {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:63:20
[INFO] [stdout]    |
[INFO] [stdout] 63 |             framed.try_next().await.unwrap();
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead<Cursor<&String>, LinesCodec>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/lines.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |             framed.try_next().await.is_ok()
[INFO] [stdout]    |                    ^^^^^^^^ method cannot be called on `FramedRead<Cursor<&String>, LinesCodec>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/785364c7e5e0804473a3fddfb579798ea14e3493/library/std/src/io/cursor.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | ---------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    | doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStreamExt`
[INFO] [stdout]            `std::io::Cursor<&String>: TryStream`
[INFO] [stdout]            which is required by `std::io::Cursor<&String>: TryStreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStreamExt`
[INFO] [stdout]  --> benches/lines.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::{executor, TryStreamExt};
[INFO] [stdout]   |                         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures_codec` (bench "lines") due to 13 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "14c509a1f4fdc13fc230992baa8ca1bdcacd945cdc4c8993c99594fb834c8001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c509a1f4fdc13fc230992baa8ca1bdcacd945cdc4c8993c99594fb834c8001", kill_on_drop: false }`
[INFO] [stdout] 14c509a1f4fdc13fc230992baa8ca1bdcacd945cdc4c8993c99594fb834c8001
