[INFO] fetching crate gutters 0.1.1...
[INFO] testing gutters-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate gutters 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate gutters 0.1.1
[INFO] finished tweaking crates.io crate gutters 0.1.1
[INFO] tweaked toml for crates.io crate gutters 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gutters 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a2f9305c42606ed9d50f7dcd57b900adc841042eb222fd93ef5e8383d4998cc
[INFO] running `Command { std: "docker" "start" "-a" "5a2f9305c42606ed9d50f7dcd57b900adc841042eb222fd93ef5e8383d4998cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2f9305c42606ed9d50f7dcd57b900adc841042eb222fd93ef5e8383d4998cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2f9305c42606ed9d50f7dcd57b900adc841042eb222fd93ef5e8383d4998cc", kill_on_drop: false }`
[INFO] [stdout] 5a2f9305c42606ed9d50f7dcd57b900adc841042eb222fd93ef5e8383d4998cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a492878a143bbf55ce9c5160447dd9ab8513a863d067751df26a24fd262891a
[INFO] running `Command { std: "docker" "start" "-a" "3a492878a143bbf55ce9c5160447dd9ab8513a863d067751df26a24fd262891a", kill_on_drop: false }`
[INFO] [stderr]    Compiling gutters v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "3a492878a143bbf55ce9c5160447dd9ab8513a863d067751df26a24fd262891a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a492878a143bbf55ce9c5160447dd9ab8513a863d067751df26a24fd262891a", kill_on_drop: false }`
[INFO] [stdout] 3a492878a143bbf55ce9c5160447dd9ab8513a863d067751df26a24fd262891a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04a2d8e50b6da7adff25c1ce8b99c356ed5f11797eaf6cb6d627040585788999
[INFO] running `Command { std: "docker" "start" "-a" "04a2d8e50b6da7adff25c1ce8b99c356ed5f11797eaf6cb6d627040585788999", kill_on_drop: false }`
[INFO] [stderr]    Compiling gutters v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "04a2d8e50b6da7adff25c1ce8b99c356ed5f11797eaf6cb6d627040585788999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a2d8e50b6da7adff25c1ce8b99c356ed5f11797eaf6cb6d627040585788999", kill_on_drop: false }`
[INFO] [stdout] 04a2d8e50b6da7adff25c1ce8b99c356ed5f11797eaf6cb6d627040585788999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 152c48530a55f43be6f1625f169a6158dd952884e77e6245a3cef8c7b34f0eeb
[INFO] running `Command { std: "docker" "start" "-a" "152c48530a55f43be6f1625f169a6158dd952884e77e6245a3cef8c7b34f0eeb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gutters-7f667bf5d276ab4e)
[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 gutters
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - throw (line 95) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - hail (line 115) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - throw_and_wait (line 185) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - pick_up (line 73) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - pick_up_and_hail (line 159) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] test src/lib.rs - wait (line 135) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - throw (line 95) stdout ----
[INFO] [stdout] error: expected `;`, found `throw`
[INFO] [stdout]  --> src/lib.rs:97:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | let stream = TcpStream::connect("127.0.0.1:34567")
[INFO] [stdout]   |                                                   ^ help: add `;` here
[INFO] [stdout] 5 |
[INFO] [stdout] 6 | throw(&mut stream, &64.0)?;
[INFO] [stdout]   | ----- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `throw` in this scope
[INFO] [stdout]  --> src/lib.rs:99:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | throw(&mut stream, &64.0)?;
[INFO] [stdout]   | ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use gutters::throw;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - hail (line 115) stdout ----
[INFO] [stdout] error: expected `;`, found `hail`
[INFO] [stdout]  --> src/lib.rs:117:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | let stream = TcpStream::connect("127.0.0.1:34567")
[INFO] [stdout]   |                                                   ^ help: add `;` here
[INFO] [stdout] 5 |
[INFO] [stdout] 6 | hail(&mut stream)?;
[INFO] [stdout]   | ---- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `hail` in this scope
[INFO] [stdout]  --> src/lib.rs:119:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | hail(&mut stream)?;
[INFO] [stdout]   | ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use gutters::hail;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - throw_and_wait (line 185) stdout ----
[INFO] [stdout] error: expected `;`, found `throw`
[INFO] [stdout]  --> src/lib.rs:187:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | let stream = TcpStream::connect("127.0.0.1:34567")
[INFO] [stdout]   |                                                   ^ help: add `;` here
[INFO] [stdout] 5 |
[INFO] [stdout] 6 | throw(&mut stream, &64.0)?;
[INFO] [stdout]   | ----- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `throw` in this scope
[INFO] [stdout]  --> src/lib.rs:189:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | throw(&mut stream, &64.0)?;
[INFO] [stdout]   | ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use gutters::throw;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - pick_up (line 73) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]  --> src/lib.rs:75:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | let stream = TcpStream::connect("127.0.0.1:34567")
[INFO] [stdout]   |                                                   ^ help: add `;` here
[INFO] [stdout] 5 |
[INFO] [stdout] 6 | let mut data = 0.0f64
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `pick_up`
[INFO] [stdout]  --> src/lib.rs:77:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut data = 0.0f64
[INFO] [stdout]   |                      ^ help: add `;` here
[INFO] [stdout] 7 | pick_up(&mut stream, &mut data)?;
[INFO] [stdout]   | ------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `pick_up` in this scope
[INFO] [stdout]  --> src/lib.rs:78:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pick_up(&mut stream, &mut data)?;
[INFO] [stdout]   | ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use gutters::pick_up;
[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 E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - pick_up_and_hail (line 159) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]  --> src/lib.rs:161:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | let stream = TcpStream::connect("127.0.0.1:34567")
[INFO] [stdout]   |                                                   ^ help: add `;` here
[INFO] [stdout] 5 |
[INFO] [stdout] 6 | let mut data = 0.0f64
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `pick_up_and_hail`
[INFO] [stdout]  --> src/lib.rs:163:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut data = 0.0f64
[INFO] [stdout]   |                      ^ help: add `;` here
[INFO] [stdout] 7 | pick_up_and_hail(&mut stream, &mut data)?;
[INFO] [stdout]   | ---------------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `pick_up_and_hail` in this scope
[INFO] [stdout]  --> src/lib.rs:164:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pick_up_and_hail(&mut stream, &mut data)?;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use gutters::pick_up_and_hail;
[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 E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error: expected `;`, found `throw`
[INFO] [stdout]   --> src/lib.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | let log = 123.4f64
[INFO] [stdout]    |                   ^ help: add `;` here
[INFO] [stdout] 17 | throw(&mut stream, &log)?;
[INFO] [stdout]    | ----- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `throw`
[INFO] [stdout]   --> src/lib.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | let log = 567.8f64
[INFO] [stdout]    |                   ^ help: add `;` here
[INFO] [stdout] 22 | throw(&mut stream, &log)?;
[INFO] [stdout]    | ----- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `throw_and_wait`
[INFO] [stdout]   --> src/lib.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 41 | let log = 567.8f64
[INFO] [stdout]    |                   ^ help: add `;` here
[INFO] [stdout] 42 | throw_and_wait(&mut stream, &log)?;
[INFO] [stdout]    | -------------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Read` is not satisfied
[INFO] [stdout]    --> src/lib.rs:21:7
[INFO] [stdout]     |
[INFO] [stdout]  17 | throw(&mut stream, &log)?;
[INFO] [stdout]     | ----- ^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `throw`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn throw<G: Read + Write, T>(gutter: &mut G, buffer: &T) -> Result<()> {
[INFO] [stdout]     |                 ^^^^ required by this bound in `throw`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Write` is not satisfied
[INFO] [stdout]    --> src/lib.rs:21:7
[INFO] [stdout]     |
[INFO] [stdout]  17 | throw(&mut stream, &log)?;
[INFO] [stdout]     | ----- ^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `throw`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn throw<G: Read + Write, T>(gutter: &mut G, buffer: &T) -> Result<()> {
[INFO] [stdout]     |                        ^^^^^ required by this bound in `throw`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 17 | throw(&mut stream, &log)?;
[INFO] [stdout]    |                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use gutters::{pick_up, throw, hail, wait, throw_and_wait, pick_up_and_hail};
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout] 47 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Read` is not satisfied
[INFO] [stdout]    --> src/lib.rs:26:7
[INFO] [stdout]     |
[INFO] [stdout]  22 | throw(&mut stream, &log)?;
[INFO] [stdout]     | ----- ^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `throw`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn throw<G: Read + Write, T>(gutter: &mut G, buffer: &T) -> Result<()> {
[INFO] [stdout]     |                 ^^^^ required by this bound in `throw`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Write` is not satisfied
[INFO] [stdout]    --> src/lib.rs:26:7
[INFO] [stdout]     |
[INFO] [stdout]  22 | throw(&mut stream, &log)?;
[INFO] [stdout]     | ----- ^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `throw`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn throw<G: Read + Write, T>(gutter: &mut G, buffer: &T) -> Result<()> {
[INFO] [stdout]     |                        ^^^^^ required by this bound in `throw`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 22 | throw(&mut stream, &log)?;
[INFO] [stdout]    |                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use gutters::{pick_up, throw, hail, wait, throw_and_wait, pick_up_and_hail};
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout] 47 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Read` is not satisfied
[INFO] [stdout]    --> src/lib.rs:27:7
[INFO] [stdout]     |
[INFO] [stdout]  23 | throw(&mut stream, &log)?;
[INFO] [stdout]     | ----- ^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `throw`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn throw<G: Read + Write, T>(gutter: &mut G, buffer: &T) -> Result<()> {
[INFO] [stdout]     |                 ^^^^ required by this bound in `throw`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Write` is not satisfied
[INFO] [stdout]    --> src/lib.rs:27:7
[INFO] [stdout]     |
[INFO] [stdout]  23 | throw(&mut stream, &log)?;
[INFO] [stdout]     | ----- ^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `throw`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn throw<G: Read + Write, T>(gutter: &mut G, buffer: &T) -> Result<()> {
[INFO] [stdout]     |                        ^^^^^ required by this bound in `throw`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 23 | throw(&mut stream, &log)?;
[INFO] [stdout]    |                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use gutters::{pick_up, throw, hail, wait, throw_and_wait, pick_up_and_hail};
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout] 47 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Read` is not satisfied
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pick_up(&mut stream, &mut log)?;
[INFO] [stdout]    | ------- ^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]    | |
[INFO] [stdout]    | required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `pick_up`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn pick_up<G: Read + Write, T>(gutter: &mut G, buffer: &mut T) -> Result<()> {
[INFO] [stdout]    |                   ^^^^ required by this bound in `pick_up`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Write` is not satisfied
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pick_up(&mut stream, &mut log)?;
[INFO] [stdout]    | ------- ^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]    | |
[INFO] [stdout]    | required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `pick_up`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn pick_up<G: Read + Write, T>(gutter: &mut G, buffer: &mut T) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^ required by this bound in `pick_up`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 27 | pick_up(&mut stream, &mut log)?;
[INFO] [stdout]    |                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use gutters::{pick_up, throw, hail, wait, throw_and_wait, pick_up_and_hail};
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout] 47 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try`
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | println!("{}", log)?;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 28 | println!("{}", log)?;
[INFO] [stdout]    |                    ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Read` is not satisfied
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pick_up(&mut stream, &mut log)?;
[INFO] [stdout]    | ------- ^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]    | |
[INFO] [stdout]    | required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `pick_up`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn pick_up<G: Read + Write, T>(gutter: &mut G, buffer: &mut T) -> Result<()> {
[INFO] [stdout]    |                   ^^^^ required by this bound in `pick_up`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Write` is not satisfied
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pick_up(&mut stream, &mut log)?;
[INFO] [stdout]    | ------- ^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]    | |
[INFO] [stdout]    | required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `pick_up`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn pick_up<G: Read + Write, T>(gutter: &mut G, buffer: &mut T) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^ required by this bound in `pick_up`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 29 | pick_up(&mut stream, &mut log)?;
[INFO] [stdout]    |                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use gutters::{pick_up, throw, hail, wait, throw_and_wait, pick_up_and_hail};
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout] 47 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try`
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | println!("{}", log)?;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 30 | println!("{}", log)?;
[INFO] [stdout]    |                    ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Write` is not satisfied
[INFO] [stdout]    --> src/lib.rs:38:6
[INFO] [stdout]     |
[INFO] [stdout]  34 | hail(&mut stream)?;
[INFO] [stdout]     | ---- ^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `hail`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:121:16
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn hail<G: Write>(gutter: &mut G) -> Result<()> {
[INFO] [stdout]     |                ^^^^^ required by this bound in `hail`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 34 | hail(&mut stream)?;
[INFO] [stdout]    |                  ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use gutters::{pick_up, throw, hail, wait, throw_and_wait, pick_up_and_hail};
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout] 47 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Read` is not satisfied
[INFO] [stdout]    --> src/lib.rs:41:6
[INFO] [stdout]     |
[INFO] [stdout]  37 | wait(&mut stream)?;
[INFO] [stdout]     | ---- ^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `wait`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:141:16
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn wait<G: Read>(gutter: &mut G) -> Result<()> {
[INFO] [stdout]     |                ^^^^ required by this bound in `wait`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 37 | wait(&mut stream)?;
[INFO] [stdout]    |                  ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use gutters::{pick_up, throw, hail, wait, throw_and_wait, pick_up_and_hail};
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout] 47 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Read` is not satisfied
[INFO] [stdout]    --> src/lib.rs:46:16
[INFO] [stdout]     |
[INFO] [stdout]  42 | throw_and_wait(&mut stream, &log)?;
[INFO] [stdout]     | -------------- ^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `throw_and_wait`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:191:26
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub fn throw_and_wait<G: Read + Write, T>(gutter: &mut G, buffer: &T) -> Result<()> {
[INFO] [stdout]     |                          ^^^^ required by this bound in `throw_and_wait`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Write` is not satisfied
[INFO] [stdout]    --> src/lib.rs:46:16
[INFO] [stdout]     |
[INFO] [stdout]  42 | throw_and_wait(&mut stream, &log)?;
[INFO] [stdout]     | -------------- ^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `throw_and_wait`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:191:33
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub fn throw_and_wait<G: Read + Write, T>(gutter: &mut G, buffer: &T) -> Result<()> {
[INFO] [stdout]     |                                 ^^^^^ required by this bound in `throw_and_wait`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 42 | throw_and_wait(&mut stream, &log)?;
[INFO] [stdout]    |                                  ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use gutters::{pick_up, throw, hail, wait, throw_and_wait, pick_up_and_hail};
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout] 47 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Read` is not satisfied
[INFO] [stdout]    --> src/lib.rs:49:18
[INFO] [stdout]     |
[INFO] [stdout]  45 | pick_up_and_hail(&mut stream, &mut log)?;
[INFO] [stdout]     | ---------------- ^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `pick_up_and_hail`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:166:28
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn pick_up_and_hail<G: Read + Write, T>(gutter: &mut G, buffer: &mut T) -> Result<()> {
[INFO] [stdout]     |                            ^^^^ required by this bound in `pick_up_and_hail`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Result<TcpStream, std::io::Error>: std::io::Write` is not satisfied
[INFO] [stdout]    --> src/lib.rs:49:18
[INFO] [stdout]     |
[INFO] [stdout]  45 | pick_up_and_hail(&mut stream, &mut log)?;
[INFO] [stdout]     | ---------------- ^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `Result<TcpStream, std::io::Error>`
[INFO] [stdout]     | |
[INFO] [stdout]     | required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `pick_up_and_hail`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:166:35
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn pick_up_and_hail<G: Read + Write, T>(gutter: &mut G, buffer: &mut T) -> Result<()> {
[INFO] [stdout]     |                                   ^^^^^ required by this bound in `pick_up_and_hail`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 45 | pick_up_and_hail(&mut stream, &mut log)?;
[INFO] [stdout]    |                                        ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use gutters::{pick_up, throw, hail, wait, throw_and_wait, pick_up_and_hail};
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout] 47 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try`
[INFO] [stdout]   --> src/lib.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_7_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 46 | println!("{}", log)?;
[INFO] [stdout]    |                    ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 34 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - wait (line 135) stdout ----
[INFO] [stdout] error: expected `;`, found `wait`
[INFO] [stdout]  --> src/lib.rs:137:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | let stream = TcpStream::connect("127.0.0.1:34567")
[INFO] [stdout]   |                                                   ^ help: add `;` here
[INFO] [stdout] 5 |
[INFO] [stdout] 6 | wait(&mut stream)?;
[INFO] [stdout]   | ---- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `wait` in this scope
[INFO] [stdout]  --> src/lib.rs:139:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | wait(&mut stream)?;
[INFO] [stdout]   | ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use gutters::wait;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout]     src/lib.rs - hail (line 115)
[INFO] [stdout]     src/lib.rs - pick_up (line 73)
[INFO] [stdout]     src/lib.rs - pick_up_and_hail (line 159)
[INFO] [stdout]     src/lib.rs - throw (line 95)
[INFO] [stdout]     src/lib.rs - throw_and_wait (line 185)
[INFO] [stdout]     src/lib.rs - wait (line 135)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "152c48530a55f43be6f1625f169a6158dd952884e77e6245a3cef8c7b34f0eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152c48530a55f43be6f1625f169a6158dd952884e77e6245a3cef8c7b34f0eeb", kill_on_drop: false }`
[INFO] [stdout] 152c48530a55f43be6f1625f169a6158dd952884e77e6245a3cef8c7b34f0eeb