[INFO] cloning repository https://github.com/bohdloss/stack-buf-io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bohdloss/stack-buf-io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbohdloss%2Fstack-buf-io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbohdloss%2Fstack-buf-io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 225f1df927b577dde5f68b77fc8d3fabeb0d3d27
[INFO] testing bohdloss/stack-buf-io against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbohdloss%2Fstack-buf-io" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bohdloss/stack-buf-io
[INFO] finished tweaking git repo https://github.com/bohdloss/stack-buf-io
[INFO] tweaked toml for git repo https://github.com/bohdloss/stack-buf-io written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bohdloss/stack-buf-io on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bohdloss/stack-buf-io already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded zmij v1.0.17
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded plotters-backend v0.3.7
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded csv-core v0.1.13
[INFO] [stderr]   Downloaded oorandom v11.1.5
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded plotters v0.3.7
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.36
[INFO] [stderr]   Downloaded zerocopy v0.8.36
[INFO] [stderr]   Downloaded csv v1.4.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fcbcf0e438c7dcaf16bf7eee04ade2acd9a4b1626683f94750c2d0aa7aff04a
[INFO] running `Command { std: "docker" "start" "-a" "9fcbcf0e438c7dcaf16bf7eee04ade2acd9a4b1626683f94750c2d0aa7aff04a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fcbcf0e438c7dcaf16bf7eee04ade2acd9a4b1626683f94750c2d0aa7aff04a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fcbcf0e438c7dcaf16bf7eee04ade2acd9a4b1626683f94750c2d0aa7aff04a", kill_on_drop: false }`
[INFO] [stdout] 9fcbcf0e438c7dcaf16bf7eee04ade2acd9a4b1626683f94750c2d0aa7aff04a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6309efbf6f84ae19292df0b98034067a436e1b38bdf7115bb4e4449482a8630b
[INFO] running `Command { std: "docker" "start" "-a" "6309efbf6f84ae19292df0b98034067a436e1b38bdf7115bb4e4449482a8630b", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-buf-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "6309efbf6f84ae19292df0b98034067a436e1b38bdf7115bb4e4449482a8630b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6309efbf6f84ae19292df0b98034067a436e1b38bdf7115bb4e4449482a8630b", kill_on_drop: false }`
[INFO] [stdout] 6309efbf6f84ae19292df0b98034067a436e1b38bdf7115bb4e4449482a8630b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b0224ebd34a462c2c2dd79c8daa4a621cc275c1e876cea686bfd368c80881c0
[INFO] running `Command { std: "docker" "start" "-a" "0b0224ebd34a462c2c2dd79c8daa4a621cc275c1e876cea686bfd368c80881c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling zerocopy v0.8.36
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling stack-buf-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 28.98s
[INFO] running `Command { std: "docker" "inspect" "0b0224ebd34a462c2c2dd79c8daa4a621cc275c1e876cea686bfd368c80881c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0224ebd34a462c2c2dd79c8daa4a621cc275c1e876cea686bfd368c80881c0", kill_on_drop: false }`
[INFO] [stdout] 0b0224ebd34a462c2c2dd79c8daa4a621cc275c1e876cea686bfd368c80881c0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa6c4f0fd3e8f4e843a3c3c64e7106a670c7bc18cdb4f52007bda516caf29eb7
[INFO] running `Command { std: "docker" "start" "-a" "aa6c4f0fd3e8f4e843a3c3c64e7106a670c7bc18cdb4f52007bda516caf29eb7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stack_buf_io-3e0a7a15395f4e1a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stack_buf_io
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::get_ref (line 118) - compile ... FAILED
[INFO] [stdout] test src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::get_mut (line 137) - compile ... FAILED
[INFO] [stdout] test src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::new (line 35) - compile ... FAILED
[INFO] [stdout] test src/stack_bufreader.rs - stack_bufreader::StackBufReader (line 11) - compile ... ok
[INFO] [stdout] test src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter (line 11) - compile ... ok
[INFO] [stdout] test src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::capacity (line 171) - compile ... FAILED
[INFO] [stdout] test src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::buffer (line 116) - compile ... FAILED
[INFO] [stdout] test src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::get_ref (line 68) - compile ... FAILED
[INFO] [stdout] test src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::buffer (line 154) - compile ... FAILED
[INFO] [stdout] test src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::stream_position (line 430) - compile ... FAILED
[INFO] [stdout] test src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::new (line 39) - compile ... ok
[INFO] [stdout] test src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::into_inner (line 170) - compile ... FAILED
[INFO] [stdout] test src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::get_mut (line 91) - compile ... FAILED
[INFO] [stdout] test src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::capacity (line 143) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::get_ref (line 118) stdout ----
[INFO] [stdout] error[E0747]: constant provided when a type was expected
[INFO] [stdout]    --> src/stack_bufwriter.rs:123:35
[INFO] [stdout]     |
[INFO] [stdout] 123 | let mut buffer = StackBufWriter::<4096, _>::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0747`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::get_mut (line 137) stdout ----
[INFO] [stdout] error[E0747]: constant provided when a type was expected
[INFO] [stdout]    --> src/stack_bufwriter.rs:142:35
[INFO] [stdout]     |
[INFO] [stdout] 142 | let mut buffer = StackBufWriter::<4006, _>::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0747`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::new (line 35) stdout ----
[INFO] [stdout] error[E0747]: constant provided when a type was expected
[INFO] [stdout]   --> src/stack_bufwriter.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 | let mut buffer = StackBufWriter::<4096, _>::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0747`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::capacity (line 171) stdout ----
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufWriter<TcpStream, _>`
[INFO] [stdout]    --> src/stack_bufwriter.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | let buf_writer = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^   -------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufWriter`
[INFO] [stdout]    --> src/stack_bufwriter.rs:23:46
[INFO] [stdout]     |
[INFO] [stdout]  23 | pub struct StackBufWriter<W: ?Sized + Write, const N: usize> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufWriter`
[INFO] [stdout] help: consider giving `buf_writer` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 176 | let buf_writer: StackBufWriter<_, N> = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufWriter<TcpStream, _>`
[INFO] [stdout]    --> src/stack_bufwriter.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | let buf_writer = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^   ------------------------------------------------------------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufWriter::<W, N>::new`
[INFO] [stdout]    --> src/stack_bufwriter.rs:30:16
[INFO] [stdout]     |
[INFO] [stdout]  30 | impl<W: Write, const N: usize> StackBufWriter<W, N> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufWriter::<W, N>::new`
[INFO] [stdout] ...
[INFO] [stdout]  41 |     pub fn new(writer: W) -> Self {
[INFO] [stdout]     |            --- required by a bound in this associated function
[INFO] [stdout] help: consider giving `buf_writer` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 176 | let buf_writer: StackBufWriter<_, N> = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufWriter<TcpStream, _>`
[INFO] [stdout]    --> src/stack_bufwriter.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | let buf_writer = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 | let capacity = buf_writer.capacity();
[INFO] [stdout]     |                           -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufWriter::<W, N>::capacity`
[INFO] [stdout]    --> src/stack_bufwriter.rs:51:25
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl<W: ?Sized + Write, const N: usize> StackBufWriter<W, N> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufWriter::<W, N>::capacity`
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]     |            -------- required by a bound in this associated function
[INFO] [stdout] help: consider giving `buf_writer` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 176 | let buf_writer: StackBufWriter<_, N> = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufWriter<TcpStream, _>`
[INFO] [stdout]    --> src/stack_bufwriter.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | let buf_writer = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 | let without_flush = capacity - buf_writer.buffer().len();
[INFO] [stdout]     |                                           ------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufWriter::<W, N>::buffer`
[INFO] [stdout]    --> src/stack_bufwriter.rs:51:25
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl<W: ?Sized + Write, const N: usize> StackBufWriter<W, N> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufWriter::<W, N>::buffer`
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn buffer(&self) -> &[u8] {
[INFO] [stdout]     |            ------ required by a bound in this associated function
[INFO] [stdout] help: consider giving `buf_writer` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 176 | let buf_writer: StackBufWriter<_, N> = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::buffer (line 116) stdout ----
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^   -------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader`
[INFO] [stdout]    --> src/stack_bufreader.rs:26:45
[INFO] [stdout]     |
[INFO] [stdout]  26 | pub struct StackBufReader<R: ?Sized + Read, const N: usize = 4096> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader`
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^   ---------------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout]    --> src/stack_bufreader.rs:34:15
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl<R: Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout] ...
[INFO] [stdout]  50 |     pub fn new(reader: R) -> StackBufReader<R, N> {
[INFO] [stdout]     |            --- required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 125 |     assert!(reader.buffer().is_empty());
[INFO] [stdout]     |                    ------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::buffer`
[INFO] [stdout]    --> src/stack_bufreader.rs:61:24
[INFO] [stdout]     |
[INFO] [stdout]  61 | impl<R: ?Sized + Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::buffer`
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn buffer(&self) -> &[u8] {
[INFO] [stdout]     |            ------ required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     if reader.fill_buf()?.len() > 0 {
[INFO] [stdout]     |               -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `StackBufReader<File, _>` to implement `std::io::Read`
[INFO] [stdout] note: required by a bound in `fill_buf`
[INFO] [stdout]    --> /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:2384:4
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     if reader.fill_buf()?.len() > 0 {
[INFO] [stdout]     |               -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `StackBufReader<File, _>` to implement `BufRead`
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |         assert!(!reader.buffer().is_empty());
[INFO] [stdout]     |                         ------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::buffer`
[INFO] [stdout]    --> src/stack_bufreader.rs:61:24
[INFO] [stdout]     |
[INFO] [stdout]  61 | impl<R: ?Sized + Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::buffer`
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn buffer(&self) -> &[u8] {
[INFO] [stdout]     |            ------ required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::get_ref (line 68) stdout ----
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]   --> src/stack_bufreader.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let reader = StackBufReader::new(f1);
[INFO] [stdout]    |         ^^^^^^   -------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader`
[INFO] [stdout]   --> src/stack_bufreader.rs:26:45
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct StackBufReader<R: ?Sized + Read, const N: usize = 4096> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader`
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let reader: StackBufReader<_, N> = StackBufReader::new(f1);
[INFO] [stdout]    |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]   --> src/stack_bufreader.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let reader = StackBufReader::new(f1);
[INFO] [stdout]    |         ^^^^^^   ----------------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout]   --> src/stack_bufreader.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<R: Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn new(reader: R) -> StackBufReader<R, N> {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let reader: StackBufReader<_, N> = StackBufReader::new(f1);
[INFO] [stdout]    |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]   --> src/stack_bufreader.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let reader = StackBufReader::new(f1);
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 76 |
[INFO] [stdout] 77 |     let f2 = reader.get_ref();
[INFO] [stdout]    |                     ------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::get_ref`
[INFO] [stdout]   --> src/stack_bufreader.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<R: ?Sized + Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::get_ref`
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn get_ref(&self) -> &R {
[INFO] [stdout]    |            ------- required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let reader: StackBufReader<_, N> = StackBufReader::new(f1);
[INFO] [stdout]    |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::buffer (line 154) stdout ----
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufWriter<TcpStream, _>`
[INFO] [stdout]    --> src/stack_bufwriter.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | let buf_writer = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^   -------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufWriter`
[INFO] [stdout]    --> src/stack_bufwriter.rs:23:46
[INFO] [stdout]     |
[INFO] [stdout]  23 | pub struct StackBufWriter<W: ?Sized + Write, const N: usize> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufWriter`
[INFO] [stdout] help: consider giving `buf_writer` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 159 | let buf_writer: StackBufWriter<_, N> = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufWriter<TcpStream, _>`
[INFO] [stdout]    --> src/stack_bufwriter.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | let buf_writer = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^   ------------------------------------------------------------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufWriter::<W, N>::new`
[INFO] [stdout]    --> src/stack_bufwriter.rs:30:16
[INFO] [stdout]     |
[INFO] [stdout]  30 | impl<W: Write, const N: usize> StackBufWriter<W, N> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufWriter::<W, N>::new`
[INFO] [stdout] ...
[INFO] [stdout]  41 |     pub fn new(writer: W) -> Self {
[INFO] [stdout]     |            --- required by a bound in this associated function
[INFO] [stdout] help: consider giving `buf_writer` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 159 | let buf_writer: StackBufWriter<_, N> = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufWriter<TcpStream, _>`
[INFO] [stdout]    --> src/stack_bufwriter.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | let buf_writer = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 | let bytes_buffered = buf_writer.buffer().len();
[INFO] [stdout]     |                                 ------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufWriter::<W, N>::buffer`
[INFO] [stdout]    --> src/stack_bufwriter.rs:51:25
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl<W: ?Sized + Write, const N: usize> StackBufWriter<W, N> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufWriter::<W, N>::buffer`
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn buffer(&self) -> &[u8] {
[INFO] [stdout]     |            ------ required by a bound in this associated function
[INFO] [stdout] help: consider giving `buf_writer` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 159 | let buf_writer: StackBufWriter<_, N> = StackBufWriter::new(TcpStream::connect("127.0.0.1:34254").unwrap());
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::stream_position (line 430) stdout ----
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |         ^^^^^   -------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader`
[INFO] [stdout]    --> src/stack_bufreader.rs:26:45
[INFO] [stdout]     |
[INFO] [stdout]  26 | pub struct StackBufReader<R: ?Sized + Read, const N: usize = 4096> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader`
[INFO] [stdout] help: consider giving `f` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f: StackBufReader<_, N> = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |              ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |         ^^^^^   ------------------------------------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout]    --> src/stack_bufreader.rs:34:15
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl<R: Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout] ...
[INFO] [stdout]  50 |     pub fn new(reader: R) -> StackBufReader<R, N> {
[INFO] [stdout]     |            --- required by a bound in this associated function
[INFO] [stdout] help: consider giving `f` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f: StackBufReader<_, N> = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |              ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 440 |
[INFO] [stdout] 441 |     let before = f.stream_position()?;
[INFO] [stdout]     |                    --------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `StackBufReader<File, _>` to implement `Seek`
[INFO] [stdout] help: consider giving `f` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f: StackBufReader<_, N> = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |              ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 442 |     f.read_line(&mut String::new())?;
[INFO] [stdout]     |       --------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `StackBufReader<File, _>` to implement `std::io::Read`
[INFO] [stdout] note: required by a bound in `read_line`
[INFO] [stdout]    --> /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:2627:4
[INFO] [stdout] help: consider giving `f` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f: StackBufReader<_, N> = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |              ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 442 |     f.read_line(&mut String::new())?;
[INFO] [stdout]     |       --------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `StackBufReader<File, _>` to implement `BufRead`
[INFO] [stdout] help: consider giving `f` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 439 |     let mut f: StackBufReader<_, N> = StackBufReader::new(File::open("foo.txt")?);
[INFO] [stdout]     |              ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::into_inner (line 170) stdout ----
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let reader = StackBufReader::new(f1);
[INFO] [stdout]     |         ^^^^^^   -------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader`
[INFO] [stdout]    --> src/stack_bufreader.rs:26:45
[INFO] [stdout]     |
[INFO] [stdout]  26 | pub struct StackBufReader<R: ?Sized + Read, const N: usize = 4096> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader`
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let reader: StackBufReader<_, N> = StackBufReader::new(f1);
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let reader = StackBufReader::new(f1);
[INFO] [stdout]     |         ^^^^^^   ----------------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout]    --> src/stack_bufreader.rs:34:15
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl<R: Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout] ...
[INFO] [stdout]  50 |     pub fn new(reader: R) -> StackBufReader<R, N> {
[INFO] [stdout]     |            --- required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let reader: StackBufReader<_, N> = StackBufReader::new(f1);
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let reader = StackBufReader::new(f1);
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 178 |
[INFO] [stdout] 179 |     let f2 = reader.into_inner();
[INFO] [stdout]     |                     ---------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::into_inner`
[INFO] [stdout]    --> src/stack_bufreader.rs:61:24
[INFO] [stdout]     |
[INFO] [stdout]  61 | impl<R: ?Sized + Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::into_inner`
[INFO] [stdout] ...
[INFO] [stdout] 183 |     pub fn into_inner(self) -> R
[INFO] [stdout]     |            ---------- required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let reader: StackBufReader<_, N> = StackBufReader::new(f1);
[INFO] [stdout]     |               ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::get_mut (line 91) stdout ----
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]   --> src/stack_bufreader.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut reader = StackBufReader::new(f1);
[INFO] [stdout]    |         ^^^^^^^^^^   -------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader`
[INFO] [stdout]   --> src/stack_bufreader.rs:26:45
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct StackBufReader<R: ?Sized + Read, const N: usize = 4096> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader`
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f1);
[INFO] [stdout]    |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]   --> src/stack_bufreader.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut reader = StackBufReader::new(f1);
[INFO] [stdout]    |         ^^^^^^^^^^   ----------------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout]   --> src/stack_bufreader.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<R: Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn new(reader: R) -> StackBufReader<R, N> {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f1);
[INFO] [stdout]    |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:98:9
[INFO] [stdout]     |
[INFO] [stdout]  98 |     let mut reader = StackBufReader::new(f1);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]  99 |
[INFO] [stdout] 100 |     let f2 = reader.get_mut();
[INFO] [stdout]     |                     ------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::get_mut`
[INFO] [stdout]    --> src/stack_bufreader.rs:61:24
[INFO] [stdout]     |
[INFO] [stdout]  61 | impl<R: ?Sized + Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::get_mut`
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn get_mut(&mut self) -> &mut R {
[INFO] [stdout]     |            ------- required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout]  98 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f1);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::capacity (line 143) stdout ----
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^   -------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader`
[INFO] [stdout]    --> src/stack_bufreader.rs:26:45
[INFO] [stdout]     |
[INFO] [stdout]  26 | pub struct StackBufReader<R: ?Sized + Read, const N: usize = 4096> {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader`
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^   ---------------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout]    --> src/stack_bufreader.rs:34:15
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl<R: Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::new`
[INFO] [stdout] ...
[INFO] [stdout]  50 |     pub fn new(reader: R) -> StackBufReader<R, N> {
[INFO] [stdout]     |            --- required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 152 |
[INFO] [stdout] 153 |     let capacity = reader.capacity();
[INFO] [stdout]     |                           -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: required by a const generic parameter in `StackBufReader::<R, N>::capacity`
[INFO] [stdout]    --> src/stack_bufreader.rs:61:24
[INFO] [stdout]     |
[INFO] [stdout]  61 | impl<R: ?Sized + Read, const N: usize> StackBufReader<R, N> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ required by this const generic parameter in `StackBufReader::<R, N>::capacity`
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub const fn capacity(&self) -> usize {
[INFO] [stdout]     |                  -------- required by a bound in this associated function
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     let buffer = reader.fill_buf()?;
[INFO] [stdout]     |                         -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `StackBufReader<File, _>` to implement `std::io::Read`
[INFO] [stdout] note: required by a bound in `fill_buf`
[INFO] [stdout]    --> /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:2384:4
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `StackBufReader<File, _>`
[INFO] [stdout]    --> src/stack_bufreader.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader = StackBufReader::new(f);
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     let buffer = reader.fill_buf()?;
[INFO] [stdout]     |                         -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `StackBufReader<File, _>` to implement `BufRead`
[INFO] [stdout] help: consider giving `reader` an explicit type, where the value of const parameter `N` is specified
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut reader: StackBufReader<_, N> = StackBufReader::new(f);
[INFO] [stdout]     |                   ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::buffer (line 116)
[INFO] [stdout]     src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::capacity (line 143)
[INFO] [stdout]     src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::get_mut (line 91)
[INFO] [stdout]     src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::get_ref (line 68)
[INFO] [stdout]     src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::into_inner (line 170)
[INFO] [stdout]     src/stack_bufreader.rs - stack_bufreader::StackBufReader<R,N>::stream_position (line 430)
[INFO] [stdout]     src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::buffer (line 154)
[INFO] [stdout]     src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::capacity (line 171)
[INFO] [stdout]     src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::get_mut (line 137)
[INFO] [stdout]     src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::get_ref (line 118)
[INFO] [stdout]     src/stack_bufwriter.rs - stack_bufwriter::StackBufWriter<W,N>::new (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 11 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.38s; merged doctests compilation took 0.15s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "aa6c4f0fd3e8f4e843a3c3c64e7106a670c7bc18cdb4f52007bda516caf29eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6c4f0fd3e8f4e843a3c3c64e7106a670c7bc18cdb4f52007bda516caf29eb7", kill_on_drop: false }`
[INFO] [stdout] aa6c4f0fd3e8f4e843a3c3c64e7106a670c7bc18cdb4f52007bda516caf29eb7
