[INFO] fetching crate futures_codec 0.4.1...
[INFO] checking futures_codec-0.4.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate futures_codec 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate futures_codec 0.4.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.1)
[INFO] [stderr]       Adding pin-project v0.4.30 (latest: v1.1.5)
[INFO] [stderr]       Adding pin-project-internal v0.4.30 (latest: v1.1.5)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8268bffcfbe8c4fdad4e8ab21ffb937b4b6a339f5de009fa2f86ef3a6179df21
[INFO] running `Command { std: "docker" "start" "-a" "8268bffcfbe8c4fdad4e8ab21ffb937b4b6a339f5de009fa2f86ef3a6179df21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8268bffcfbe8c4fdad4e8ab21ffb937b4b6a339f5de009fa2f86ef3a6179df21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8268bffcfbe8c4fdad4e8ab21ffb937b4b6a339f5de009fa2f86ef3a6179df21", kill_on_drop: false }`
[INFO] [stdout] 8268bffcfbe8c4fdad4e8ab21ffb937b4b6a339f5de009fa2f86ef3a6179df21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa7dd60aa9f5f91f3e31afd023dcee8f0cb1c9e6ca32ab1060fb805be48fbaa9
[INFO] running `Command { std: "docker" "start" "-a" "aa7dd60aa9f5f91f3e31afd023dcee8f0cb1c9e6ca32ab1060fb805be48fbaa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[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]              &[u8]
[INFO] [stdout]              &mut T
[INFO] [stdout]              AllowStdIo<T>
[INFO] [stdout]              Box<T>
[INFO] [stdout]              Either<A, B>
[INFO] [stdout]              IntoAsyncRead<St>
[INFO] [stdout]              Pin<P>
[INFO] [stdout]              ReadHalf<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]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: 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]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: 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]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: 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]              &[u8]
[INFO] [stdout]              &mut T
[INFO] [stdout]              AllowStdIo<T>
[INFO] [stdout]              Box<T>
[INFO] [stdout]              Either<A, B>
[INFO] [stdout]              IntoAsyncRead<St>
[INFO] [stdout]              Pin<P>
[INFO] [stdout]              ReadHalf<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]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: 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]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: 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]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: 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]              &[u8]
[INFO] [stdout]              &mut T
[INFO] [stdout]              AllowStdIo<T>
[INFO] [stdout]              Box<T>
[INFO] [stdout]              Either<A, B>
[INFO] [stdout]              IntoAsyncRead<St>
[INFO] [stdout]              Pin<P>
[INFO] [stdout]              ReadHalf<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]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: 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]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: 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]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct FramedRead<T, D> {
[INFO] [stdout]    | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: 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" "aa7dd60aa9f5f91f3e31afd023dcee8f0cb1c9e6ca32ab1060fb805be48fbaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7dd60aa9f5f91f3e31afd023dcee8f0cb1c9e6ca32ab1060fb805be48fbaa9", kill_on_drop: false }`
[INFO] [stdout] aa7dd60aa9f5f91f3e31afd023dcee8f0cb1c9e6ca32ab1060fb805be48fbaa9
