[INFO] cloning repository https://github.com/cristiano-s-r-filho/rust_data_structure_katas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cristiano-s-r-filho/rust_data_structure_katas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcristiano-s-r-filho%2Frust_data_structure_katas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcristiano-s-r-filho%2Frust_data_structure_katas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1617db60a9c619bce94dc04d5886fb3fd2e5bc2
[INFO] checking cristiano-s-r-filho/rust_data_structure_katas against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcristiano-s-r-filho%2Frust_data_structure_katas" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas
[INFO] finished tweaking git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas
[INFO] tweaked toml for git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking cristiano-s-r-filho/rust_data_structure_katas against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcristiano-s-r-filho%2Frust_data_structure_katas" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas
[INFO] finished tweaking git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas
[INFO] tweaked toml for git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cristiano-s-r-filho/rust_data_structure_katas 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 588e89d234ef3450aa6903ec35350b60e9d038f199c2f9a2b9a87d9d85588213
[INFO] running `Command { std: "docker" "start" "-a" "588e89d234ef3450aa6903ec35350b60e9d038f199c2f9a2b9a87d9d85588213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588e89d234ef3450aa6903ec35350b60e9d038f199c2f9a2b9a87d9d85588213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588e89d234ef3450aa6903ec35350b60e9d038f199c2f9a2b9a87d9d85588213", kill_on_drop: false }`
[INFO] [stdout] 588e89d234ef3450aa6903ec35350b60e9d038f199c2f9a2b9a87d9d85588213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d54180041d5a374e9264ba54adf6f66814ead9fdbd6d13ac77a9ad488d7a7bc
[INFO] running `Command { std: "docker" "start" "-a" "0d54180041d5a374e9264ba54adf6f66814ead9fdbd6d13ac77a9ad488d7a7bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking rust_data_structs_katas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nix`
[INFO] [stdout]    --> src/utils/buffers.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |     use nix::libc::{tcsetattr, TCSANOW};
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `nix`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `nix`, use `cargo add nix` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nix`
[INFO] [stdout]    --> src/utils/buffers.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |     use nix::libc::{tcsetattr, TCSANOW};
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `nix`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `nix`, use `cargo add nix` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `w` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn hide_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |                                         -- `_w` defined here
[INFO] [stdout] ...
[INFO] [stdout] 224 |                 write!(w, "\x1B[?25l")?;
[INFO] [stdout]     |                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: the leading underscore in `_w` marks it as unused, consider renaming it to `w`
[INFO] [stdout]     |
[INFO] [stdout] 221 -     fn hide_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout] 221 +     fn hide_cursor<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `w` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:226:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn hide_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |                                         -- `_w` defined here
[INFO] [stdout] ...
[INFO] [stdout] 226 |                 w.flush()
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: the leading underscore in `_w` marks it as unused, consider renaming it to `w`
[INFO] [stdout]     |
[INFO] [stdout] 221 -     fn hide_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout] 221 +     fn hide_cursor<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `w` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:252:20
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn show_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |                                     -- `_w` defined here
[INFO] [stdout] ...
[INFO] [stdout] 252 |             write!(w, "\x1B[?25h")?;
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: the leading underscore in `_w` marks it as unused, consider renaming it to `w`
[INFO] [stdout]     |
[INFO] [stdout] 249 - fn show_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout] 249 + fn show_cursor<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `w` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn show_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |                                     -- `_w` defined here
[INFO] [stdout] ...
[INFO] [stdout] 254 |             w.flush()
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout] help: the leading underscore in `_w` marks it as unused, consider renaming it to `w`
[INFO] [stdout]     |
[INFO] [stdout] 249 - fn show_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout] 249 + fn show_cursor<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ORIGINAL_TERMIOS` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:367:38
[INFO] [stdout]     |
[INFO] [stdout] 367 |     if let Some(original) = unsafe { ORIGINAL_TERMIOS } {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/utils/buffers.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, io::{self, Read, Write}};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]    --> src/utils/buffers.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |     use std::mem;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `w` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn hide_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |                                         -- `_w` defined here
[INFO] [stdout] ...
[INFO] [stdout] 224 |                 write!(w, "\x1B[?25l")?;
[INFO] [stdout]     |                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: the leading underscore in `_w` marks it as unused, consider renaming it to `w`
[INFO] [stdout]     |
[INFO] [stdout] 221 -     fn hide_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout] 221 +     fn hide_cursor<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `w` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:226:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn hide_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |                                         -- `_w` defined here
[INFO] [stdout] ...
[INFO] [stdout] 226 |                 w.flush()
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: the leading underscore in `_w` marks it as unused, consider renaming it to `w`
[INFO] [stdout]     |
[INFO] [stdout] 221 -     fn hide_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout] 221 +     fn hide_cursor<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `w` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:252:20
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn show_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |                                     -- `_w` defined here
[INFO] [stdout] ...
[INFO] [stdout] 252 |             write!(w, "\x1B[?25h")?;
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: the leading underscore in `_w` marks it as unused, consider renaming it to `w`
[INFO] [stdout]     |
[INFO] [stdout] 249 - fn show_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout] 249 + fn show_cursor<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `w` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn show_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |                                     -- `_w` defined here
[INFO] [stdout] ...
[INFO] [stdout] 254 |             w.flush()
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout] help: the leading underscore in `_w` marks it as unused, consider renaming it to `w`
[INFO] [stdout]     |
[INFO] [stdout] 249 - fn show_cursor<W: Write>(&mut self, _w: &mut W) -> io::Result<()> {
[INFO] [stdout] 249 + fn show_cursor<W: Write>(&mut self, w: &mut W) -> io::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ORIGINAL_TERMIOS` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:367:38
[INFO] [stdout]     |
[INFO] [stdout] 367 |     if let Some(original) = unsafe { ORIGINAL_TERMIOS } {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/utils/buffers.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, io::{self, Read, Write}};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]    --> src/utils/buffers.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |     use std::mem;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `enable_raw_mode` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         enable_raw_mode()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 362 | fn disable_raw_mode() -> io::Result<()> {
[INFO] [stdout]     | --------------------------------------- similarly named function `disable_raw_mode` defined here
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/utils/buffers.rs:343:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | #[cfg(windows)]
[INFO] [stdout]     |       ------- the item is gated here
[INFO] [stdout] 343 | fn enable_raw_mode() -> io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 142 -         enable_raw_mode()?;
[INFO] [stdout] 142 +         disable_raw_mode()?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_key` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:161:23
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let key = read_key(&mut stdin)?;
[INFO] [stdout]     |                       ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/utils/buffers.rs:300:4
[INFO] [stdout]     |
[INFO] [stdout] 299 | #[cfg(windows)]
[INFO] [stdout]     |       ------- the item is gated here
[INFO] [stdout] 300 | fn read_key<R: Read>(_reader: &mut R) -> io::Result<Key> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `enable_raw_mode` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         enable_raw_mode()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 362 | fn disable_raw_mode() -> io::Result<()> {
[INFO] [stdout]     | --------------------------------------- similarly named function `disable_raw_mode` defined here
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/utils/buffers.rs:343:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | #[cfg(windows)]
[INFO] [stdout]     |       ------- the item is gated here
[INFO] [stdout] 343 | fn enable_raw_mode() -> io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 142 -         enable_raw_mode()?;
[INFO] [stdout] 142 +         disable_raw_mode()?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_key` in this scope
[INFO] [stdout]    --> src/utils/buffers.rs:161:23
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let key = read_key(&mut stdin)?;
[INFO] [stdout]     |                       ^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/utils/buffers.rs:300:4
[INFO] [stdout]     |
[INFO] [stdout] 299 | #[cfg(windows)]
[INFO] [stdout]     |       ------- the item is gated here
[INFO] [stdout] 300 | fn read_key<R: Read>(_reader: &mut R) -> io::Result<Key> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_data_structs_katas` (lib) due to 8 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_data_structs_katas` (lib test) due to 8 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0d54180041d5a374e9264ba54adf6f66814ead9fdbd6d13ac77a9ad488d7a7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d54180041d5a374e9264ba54adf6f66814ead9fdbd6d13ac77a9ad488d7a7bc", kill_on_drop: false }`
[INFO] [stdout] 0d54180041d5a374e9264ba54adf6f66814ead9fdbd6d13ac77a9ad488d7a7bc
