[INFO] fetching crate fixed-buffer 1.0.0...
[INFO] checking fixed-buffer-1.0.0 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate fixed-buffer 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate fixed-buffer 1.0.0 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed-buffer 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fixed-buffer 1.0.0
[INFO] tweaked toml for crates.io crate fixed-buffer 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 93 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] c98f2b124d9e210d25b378796ef76758d97bd945ca122966e8e89a4fd6c14352
[INFO] running `Command { std: "docker" "start" "-a" "c98f2b124d9e210d25b378796ef76758d97bd945ca122966e8e89a4fd6c14352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c98f2b124d9e210d25b378796ef76758d97bd945ca122966e8e89a4fd6c14352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98f2b124d9e210d25b378796ef76758d97bd945ca122966e8e89a4fd6c14352", kill_on_drop: false }`
[INFO] [stdout] c98f2b124d9e210d25b378796ef76758d97bd945ca122966e8e89a4fd6c14352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b980fae4800d2560a83a0796cc9f3f43f73a4248bb086c46d6d395683d8ac689
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[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<0>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:7:40
[INFO] [stdout]     |
[INFO] [stdout] 7   |     assert_eq!(0, FixedBuf::from(*b"").read(&mut [b'x'; 0]).await.unwrap());
[INFO] [stdout]     |                                        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<0>: ReadExt` or `FixedBuf<0>: async_std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<0>: async_std::io::Read`
[INFO] [stdout]             which is required by `FixedBuf<0>: ReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<0>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:7:40
[INFO] [stdout]     |
[INFO] [stdout] 7   |     assert_eq!(0, FixedBuf::from(*b"").read(&mut [b'x'; 0]).await.unwrap());
[INFO] [stdout]     |                                        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<0>: AsyncReadExt` or `FixedBuf<0>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<0>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<0>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:10:27
[INFO] [stdout]     |
[INFO] [stdout] 10  |         assert_eq!(0, buf.read(&mut [b'x'; 0]).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: ReadExt` or `FixedBuf<1>: async_std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: async_std::io::Read`
[INFO] [stdout]             which is required by `FixedBuf<1>: ReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:10:27
[INFO] [stdout]     |
[INFO] [stdout] 10  |         assert_eq!(0, buf.read(&mut [b'x'; 0]).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: AsyncReadExt` or `FixedBuf<1>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<1>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<0>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:16:27
[INFO] [stdout]     |
[INFO] [stdout] 16  |         assert_eq!(0, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<0>: ReadExt` or `FixedBuf<0>: async_std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<0>: async_std::io::Read`
[INFO] [stdout]             which is required by `FixedBuf<0>: ReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:23:27
[INFO] [stdout]     |
[INFO] [stdout] 23  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: ReadExt` or `FixedBuf<1>: async_std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: async_std::io::Read`
[INFO] [stdout]             which is required by `FixedBuf<1>: ReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<0>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:16:27
[INFO] [stdout]     |
[INFO] [stdout] 16  |         assert_eq!(0, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<0>: AsyncReadExt` or `FixedBuf<0>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<0>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<0>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<2>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:30:27
[INFO] [stdout]     |
[INFO] [stdout] 30  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<2>: ReadExt` or `FixedBuf<2>: async_std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<2>: async_std::io::Read`
[INFO] [stdout]             which is required by `FixedBuf<2>: ReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:23:27
[INFO] [stdout]     |
[INFO] [stdout] 23  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: AsyncReadExt` or `FixedBuf<1>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<1>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<2>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:30:27
[INFO] [stdout]     |
[INFO] [stdout] 30  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<2>: AsyncReadExt` or `FixedBuf<2>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<2>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<2>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:37:27
[INFO] [stdout]     |
[INFO] [stdout] 37  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: ReadExt` or `FixedBuf<1>: async_std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: async_std::io::Read`
[INFO] [stdout]             which is required by `FixedBuf<1>: ReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:37:27
[INFO] [stdout]     |
[INFO] [stdout] 37  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: AsyncReadExt` or `FixedBuf<1>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<1>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<2>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:44:27
[INFO] [stdout]     |
[INFO] [stdout] 44  |         assert_eq!(2, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<2>: AsyncReadExt` or `FixedBuf<2>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<2>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<2>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<2>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:44:27
[INFO] [stdout]     |
[INFO] [stdout] 44  |         assert_eq!(2, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<2>: ReadExt` or `FixedBuf<2>: async_std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<2>: async_std::io::Read`
[INFO] [stdout]             which is required by `FixedBuf<2>: ReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:51:27
[INFO] [stdout]     |
[INFO] [stdout] 51  |         assert_eq!(2, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncReadExt` or `FixedBuf<3>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<0>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:7:40
[INFO] [stdout]     |
[INFO] [stdout] 7   |     assert_eq!(0, FixedBuf::from(*b"").read(&mut [b'x'; 0]).await.unwrap());
[INFO] [stdout]     |                                        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<0>: AsyncReadExt` or `FixedBuf<0>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<0>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<0>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:60:23
[INFO] [stdout]     |
[INFO] [stdout] 60  |     assert_eq!(2, buf.write(b"ab").await.unwrap());
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncWriteExt` or `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncWriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:10:27
[INFO] [stdout]     |
[INFO] [stdout] 10  |         assert_eq!(0, buf.read(&mut [b'x'; 0]).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: AsyncReadExt` or `FixedBuf<1>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<1>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:61:23
[INFO] [stdout]     |
[INFO] [stdout] 61  |     assert_eq!(1, buf.write(b"cd").await.unwrap()); // Fills buffer, "d" not written.
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncWriteExt` or `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncWriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/futures_io.rs:63:9
[INFO] [stdout]     |
[INFO] [stdout] 63  |     buf.write(b"d").await.unwrap_err(); // Error, buffer is full.
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncWriteExt` or `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncWriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:51:27
[INFO] [stdout]     |
[INFO] [stdout] 51  |         assert_eq!(2, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: ReadExt` or `FixedBuf<3>: async_std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: async_std::io::Read`
[INFO] [stdout]             which is required by `FixedBuf<3>: ReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed-buffer` (test "futures_io") due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<0>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:16:27
[INFO] [stdout]     |
[INFO] [stdout] 16  |         assert_eq!(0, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<0>: AsyncReadExt` or `FixedBuf<0>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<0>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<0>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<0>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:6:40
[INFO] [stdout]     |
[INFO] [stdout] 6   |     assert_eq!(0, FixedBuf::from(*b"").read(&mut [b'x'; 0]).await.unwrap());
[INFO] [stdout]     |                                        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<0>: AsyncReadExt` or `FixedBuf<0>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<0>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<0>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:23:27
[INFO] [stdout]     |
[INFO] [stdout] 23  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: AsyncReadExt` or `FixedBuf<1>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<1>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:9:27
[INFO] [stdout]     |
[INFO] [stdout] 9   |         assert_eq!(0, buf.read(&mut [b'x'; 0]).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: AsyncReadExt` or `FixedBuf<1>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<1>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<0>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:15:27
[INFO] [stdout]     |
[INFO] [stdout] 15  |         assert_eq!(0, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<0>: AsyncReadExt` or `FixedBuf<0>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<0>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<0>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:22:27
[INFO] [stdout]     |
[INFO] [stdout] 22  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: AsyncReadExt` or `FixedBuf<1>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<1>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<2>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:30:27
[INFO] [stdout]     |
[INFO] [stdout] 30  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<2>: AsyncReadExt` or `FixedBuf<2>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<2>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<2>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:60:23
[INFO] [stdout]     |
[INFO] [stdout] 60  |     assert_eq!(2, buf.write(b"ab").await.unwrap());
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: WriteExt` or `FixedBuf<3>: async_std::io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: async_std::io::Write`
[INFO] [stdout]             which is required by `FixedBuf<3>: WriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<2>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:29:27
[INFO] [stdout]     |
[INFO] [stdout] 29  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<2>: AsyncReadExt` or `FixedBuf<2>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<2>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<2>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:37:27
[INFO] [stdout]     |
[INFO] [stdout] 37  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: AsyncReadExt` or `FixedBuf<1>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<1>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<1>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:36:27
[INFO] [stdout]     |
[INFO] [stdout] 36  |         assert_eq!(1, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<1>: AsyncReadExt` or `FixedBuf<1>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<1>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<1>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:61:23
[INFO] [stdout]     |
[INFO] [stdout] 61  |     assert_eq!(1, buf.write(b"cd").await.unwrap()); // Fills buffer, "d" not written.
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: WriteExt` or `FixedBuf<3>: async_std::io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: async_std::io::Write`
[INFO] [stdout]             which is required by `FixedBuf<3>: WriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<2>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:43:27
[INFO] [stdout]     |
[INFO] [stdout] 43  |         assert_eq!(2, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<2>: AsyncReadExt` or `FixedBuf<2>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<2>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<2>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:50:27
[INFO] [stdout]     |
[INFO] [stdout] 50  |         assert_eq!(2, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncReadExt` or `FixedBuf<3>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<2>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:44:27
[INFO] [stdout]     |
[INFO] [stdout] 44  |         assert_eq!(2, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<2>: AsyncReadExt` or `FixedBuf<2>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<2>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<2>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:51:27
[INFO] [stdout]     |
[INFO] [stdout] 51  |         assert_eq!(2, buf.read(&mut data).await.unwrap());
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncReadExt` or `FixedBuf<3>: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncRead`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncReadExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Read` which provides `read` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Read;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/async_std.rs:63:9
[INFO] [stdout]     |
[INFO] [stdout] 63  |     buf.write(b"d").await.unwrap_err(); // Error, buffer is full.
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: WriteExt` or `FixedBuf<3>: async_std::io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: async_std::io::Write`
[INFO] [stdout]             which is required by `FixedBuf<3>: WriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:59:23
[INFO] [stdout]     |
[INFO] [stdout] 59  |     assert_eq!(2, buf.write(b"ab").await.unwrap());
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncWriteExt` or `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncWriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:60:23
[INFO] [stdout]     |
[INFO] [stdout] 60  |     assert_eq!(1, buf.write(b"cd").await.unwrap()); // Fills buffer, "d" not written.
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncWriteExt` or `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncWriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/tokio.rs:62:9
[INFO] [stdout]     |
[INFO] [stdout] 62  |     buf.write(b"d").await.unwrap_err(); // Error, buffer is full.
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncWriteExt` or `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncWriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:60:23
[INFO] [stdout]     |
[INFO] [stdout] 60  |     assert_eq!(2, buf.write(b"ab").await.unwrap());
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncWriteExt` or `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncWriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed-buffer` (test "tokio") due to 11 previous errors
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:61:23
[INFO] [stdout]     |
[INFO] [stdout] 61  |     assert_eq!(1, buf.write(b"cd").await.unwrap()); // Fills buffer, "d" not written.
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncWriteExt` or `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncWriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed-buffer` (test "async_std") due to 11 previous errors
[INFO] [stdout] error[E0599]: the method `write` exists for struct `FixedBuf<3>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> tests/smol.rs:63:9
[INFO] [stdout]     |
[INFO] [stdout] 63  |     buf.write(b"d").await.unwrap_err(); // Error, buffer is full.
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:303:1
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub struct FixedBuf<const SIZE: usize> {
[INFO] [stdout]     | -------------------------------------- doesn't satisfy `FixedBuf<3>: AsyncWriteExt` or `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `FixedBuf<3>: AsyncWrite`
[INFO] [stdout]             which is required by `FixedBuf<3>: AsyncWriteExt`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Write` which provides `write` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::io::Write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed-buffer` (test "smol") due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "b980fae4800d2560a83a0796cc9f3f43f73a4248bb086c46d6d395683d8ac689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b980fae4800d2560a83a0796cc9f3f43f73a4248bb086c46d6d395683d8ac689", kill_on_drop: false }`
[INFO] [stdout] b980fae4800d2560a83a0796cc9f3f43f73a4248bb086c46d6d395683d8ac689
