[INFO] fetching crate nu_plugin_pipe 0.0.1+0.113.1...
[INFO] checking nu_plugin_pipe-0.0.1+0.113.1 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate nu_plugin_pipe 0.0.1+0.113.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nu_plugin_pipe 0.0.1+0.113.1
[INFO] finished tweaking crates.io crate nu_plugin_pipe 0.0.1+0.113.1
[INFO] tweaked toml for crates.io crate nu_plugin_pipe 0.0.1+0.113.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nu_plugin_pipe 0.0.1+0.113.1 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nu_plugin_pipe 0.0.1+0.113.1 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `nu_plugin_pipe` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc1/source/target/.../nu_plugin_pipe
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `nu-plugin-pipe`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "nu_plugin_pipe"
[INFO] [stderr] 2 + name = "nu-plugin-pipe"
[INFO] [stderr]   |
[INFO] [stderr] warning: `nu_plugin_pipe` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nu-system v0.113.1
[INFO] [stderr]   Downloaded petname-macros v3.0.0
[INFO] [stderr]   Downloaded nu-experimental v0.113.1
[INFO] [stderr]   Downloaded nu-derive-value v0.113.1
[INFO] [stderr]   Downloaded nu-glob v0.113.1
[INFO] [stderr]   Downloaded nu-plugin-protocol v0.113.1
[INFO] [stderr]   Downloaded nu-utils v0.113.1
[INFO] [stderr]   Downloaded nu-plugin v0.113.1
[INFO] [stderr]   Downloaded nu-path v0.113.1
[INFO] [stderr]   Downloaded nu-plugin-core v0.113.1
[INFO] [stderr]   Downloaded nu-engine v0.113.1
[INFO] [stderr]   Downloaded brotli-decompressor v5.0.1
[INFO] [stderr]   Downloaded petname v3.0.0
[INFO] [stderr]   Downloaded nu-protocol v0.113.1
[INFO] [stderr]   Downloaded brotli v8.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c441cdb08427505724d64b2838a76983f53d39df0d6efe6b59a9410de13b694f
[INFO] running `Command { std: "docker" "start" "c441cdb08427505724d64b2838a76983f53d39df0d6efe6b59a9410de13b694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c441cdb08427505724d64b2838a76983f53d39df0d6efe6b59a9410de13b694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c441cdb08427505724d64b2838a76983f53d39df0d6efe6b59a9410de13b694f" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c441cdb08427505724d64b2838a76983f53d39df0d6efe6b59a9410de13b694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c441cdb08427505724d64b2838a76983f53d39df0d6efe6b59a9410de13b694f" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `nu_plugin_pipe` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../nu_plugin_pipe
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `nu-plugin-pipe`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "nu_plugin_pipe"
[INFO] [stderr] 2 + name = "nu-plugin-pipe"
[INFO] [stderr]   |
[INFO] [stderr] warning: `nu_plugin_pipe` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
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[INFO] [stderr]     Checking nu-glob v0.113.1
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[INFO] [stderr]     Checking interprocess v2.4.2
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking rand v0.10.1
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[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling displaydoc v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling typetag-impl v0.2.22
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling nu-derive-value v0.113.1
[INFO] [stderr]    Compiling petname-macros v3.0.0
[INFO] [stderr]     Checking terminal_size v0.4.4
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[INFO] [stderr]     Checking pwd v1.4.0
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[INFO] [stderr]     Checking thiserror v2.0.18
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[INFO] [stderr]     Checking nu-experimental v0.113.1
[INFO] [stderr]     Checking fluent-bundle v0.16.0
[INFO] [stderr]     Checking fancy-regex v0.18.0
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking fluent v0.17.0
[INFO] [stderr]     Checking clap v4.6.1
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[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking nu-utils v0.113.1
[INFO] [stderr]     Checking rmp-serde v1.3.1
[INFO] [stderr]     Checking procfs-core v0.18.0
[INFO] [stderr]     Checking chrono-humanize v0.2.3
[INFO] [stderr]     Checking nu-system v0.113.1
[INFO] [stderr]     Checking nu-protocol v0.113.1
[INFO] [stderr]     Checking nu-plugin-protocol v0.113.1
[INFO] [stderr]     Checking nu-engine v0.113.1
[INFO] [stderr]     Checking nu-plugin-core v0.113.1
[INFO] [stderr]     Checking nu-plugin v0.113.1
[INFO] [stderr]     Checking nu_plugin_pipe v0.0.1+0.113.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Sender`, `path::Path`, and `str::FromStr`
[INFO] [stdout]   --> src/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 |     path::Path,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  7 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |         mpsc::{self, Receiver, Sender, SyncSender},
[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: `anyhow::bail`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use anyhow::bail;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EngineInterface`
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use nu_plugin::{EngineInterface, MsgPackSerializer, Plugin, PluginCommand};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CustomValue`, `ShellError`, `Span`, `Spanned`, `Type`, and `ast::Operator`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     CustomValue, FromValue, IntoValue, LabeledError, ShellError, Span, Spanned, Type, Value,
[INFO] [stdout]    |     ^^^^^^^^^^^                                      ^^^^^^^^^^  ^^^^  ^^^^^^^  ^^^^
[INFO] [stdout] 18 |     ast::Operator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/pipe_arg.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nu_protocol::{FromValue, LabeledError, Span, Type, Value};
[INFO] [stdout]   |                                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nu_protocol::Type`
[INFO] [stdout]  --> src/cmds/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nu_protocol::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::PipeReaderValue`
[INFO] [stdout]  --> src/cmds/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::PipeReaderValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromValue`, `SyntaxShape`, `Type`, and `Value`
[INFO] [stdout]  --> src/cmds/drop.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nu_protocol::{FromValue, LabeledError, PipelineData, Signature, SyntaxShape, Type, Value};
[INFO] [stdout]   |                   ^^^^^^^^^                                         ^^^^^^^^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tap::Pipe`
[INFO] [stdout]  --> src/cmds/drop.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tap::Pipe;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PipeId`, `PipeReaderValue`, `PipeValue`, and `PipeWriterValue`
[INFO] [stdout]  --> src/cmds/drop.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PipeId, PipePlugin, PipeReaderValue, PipeWriterValue, PipeValue,
[INFO] [stdout]   |     ^^^^^^              ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PipeState`
[INFO] [stdout]  --> src/cmds/get_pipe.rs:1:67
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{PipeId, PipePlugin, PipeReaderValue, PipeWriterValue, PipeState, PipeValue};
[INFO] [stdout]   |                                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Call`, `EngineState`, `PipelineMetadata`, `Record`, `ShellError`, `Stack`, `Value`, and `self`
[INFO] [stdout]  --> src/cmds/get_pipe.rs:4:55
[INFO] [stdout]   |
[INFO] [stdout] 4 |     FromValue, IntoValue, LabeledError, PipelineData, PipelineMetadata, Record, ShellError,
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 5 |     Signature, Span, SyntaxShape, Type, Value,
[INFO] [stdout]   |                                         ^^^^^
[INFO] [stdout] 6 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |              ^^^^  ^^^^           ^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Call`, `EngineState`, `PipelineMetadata`, `Record`, `ShellError`, `Stack`, `SyntaxShape`, and `self`
[INFO] [stdout]  --> src/cmds/list.rs:3:62
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IntoPipelineData, IntoValue, LabeledError, PipelineData, PipelineMetadata, Record, ShellError,
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 4 |     Signature, Span, SyntaxShape, Type, Value,
[INFO] [stdout]   |                      ^^^^^^^^^^^
[INFO] [stdout] 5 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |              ^^^^  ^^^^           ^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Call`, `EngineState`, `PipelineMetadata`, `Record`, `ShellError`, `Stack`, `Value`, and `self`
[INFO] [stdout]  --> src/cmds/new.rs:3:73
[INFO] [stdout]   |
[INFO] [stdout] 3 |     FromValue, IntoPipelineData, IntoValue, LabeledError, PipelineData, PipelineMetadata, Record,
[INFO] [stdout]   |                                                                         ^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 4 |     ShellError, Signature, Span, SyntaxShape, Type, Value,
[INFO] [stdout]   |     ^^^^^^^^^^                                      ^^^^^
[INFO] [stdout] 5 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |              ^^^^  ^^^^           ^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoInterruptiblePipelineData` and `Signals`
[INFO] [stdout]  --> src/cmds/read.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nu_protocol::{IntoInterruptiblePipelineData, LabeledError, ListStream, PipelineData, Signals, Signature, Span, Type};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/cmds/write.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoInterruptiblePipelineData`, `ListStream`, `Signals`, and `Span`
[INFO] [stdout]  --> src/cmds/write.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     IntoInterruptiblePipelineData, LabeledError, ListStream, PipelineData, Signals, Signature,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^                ^^^^^^^
[INFO] [stdout] 6 |     Span, Type,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tap::Pipe`
[INFO] [stdout]  --> src/cmds/write.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tap::Pipe;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sender`, `path::Path`, and `str::FromStr`
[INFO] [stdout]   --> src/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 |     path::Path,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  7 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |         mpsc::{self, Receiver, Sender, SyncSender},
[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: `anyhow::bail`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use anyhow::bail;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EngineInterface`
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use nu_plugin::{EngineInterface, MsgPackSerializer, Plugin, PluginCommand};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CustomValue`, `ShellError`, `Span`, `Spanned`, `Type`, and `ast::Operator`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     CustomValue, FromValue, IntoValue, LabeledError, ShellError, Span, Spanned, Type, Value,
[INFO] [stdout]    |     ^^^^^^^^^^^                                      ^^^^^^^^^^  ^^^^  ^^^^^^^  ^^^^
[INFO] [stdout] 18 |     ast::Operator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/pipe_arg.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nu_protocol::{FromValue, LabeledError, Span, Type, Value};
[INFO] [stdout]   |                                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nu_protocol::Type`
[INFO] [stdout]  --> src/cmds/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nu_protocol::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::PipeReaderValue`
[INFO] [stdout]  --> src/cmds/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::PipeReaderValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromValue`, `SyntaxShape`, `Type`, and `Value`
[INFO] [stdout]  --> src/cmds/drop.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nu_protocol::{FromValue, LabeledError, PipelineData, Signature, SyntaxShape, Type, Value};
[INFO] [stdout]   |                   ^^^^^^^^^                                         ^^^^^^^^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tap::Pipe`
[INFO] [stdout]  --> src/cmds/drop.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tap::Pipe;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PipeId`, `PipeReaderValue`, `PipeValue`, and `PipeWriterValue`
[INFO] [stdout]  --> src/cmds/drop.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PipeId, PipePlugin, PipeReaderValue, PipeWriterValue, PipeValue,
[INFO] [stdout]   |     ^^^^^^              ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PipeState`
[INFO] [stdout]  --> src/cmds/get_pipe.rs:1:67
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{PipeId, PipePlugin, PipeReaderValue, PipeWriterValue, PipeState, PipeValue};
[INFO] [stdout]   |                                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Call`, `EngineState`, `PipelineMetadata`, `Record`, `ShellError`, `Stack`, `Value`, and `self`
[INFO] [stdout]  --> src/cmds/get_pipe.rs:4:55
[INFO] [stdout]   |
[INFO] [stdout] 4 |     FromValue, IntoValue, LabeledError, PipelineData, PipelineMetadata, Record, ShellError,
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 5 |     Signature, Span, SyntaxShape, Type, Value,
[INFO] [stdout]   |                                         ^^^^^
[INFO] [stdout] 6 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |              ^^^^  ^^^^           ^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Call`, `EngineState`, `PipelineMetadata`, `Record`, `ShellError`, `Stack`, `SyntaxShape`, and `self`
[INFO] [stdout]  --> src/cmds/list.rs:3:62
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IntoPipelineData, IntoValue, LabeledError, PipelineData, PipelineMetadata, Record, ShellError,
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 4 |     Signature, Span, SyntaxShape, Type, Value,
[INFO] [stdout]   |                      ^^^^^^^^^^^
[INFO] [stdout] 5 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |              ^^^^  ^^^^           ^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Call`, `EngineState`, `PipelineMetadata`, `Record`, `ShellError`, `Stack`, `Value`, and `self`
[INFO] [stdout]  --> src/cmds/new.rs:3:73
[INFO] [stdout]   |
[INFO] [stdout] 3 |     FromValue, IntoPipelineData, IntoValue, LabeledError, PipelineData, PipelineMetadata, Record,
[INFO] [stdout]   |                                                                         ^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 4 |     ShellError, Signature, Span, SyntaxShape, Type, Value,
[INFO] [stdout]   |     ^^^^^^^^^^                                      ^^^^^
[INFO] [stdout] 5 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |              ^^^^  ^^^^           ^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoInterruptiblePipelineData` and `Signals`
[INFO] [stdout]  --> src/cmds/read.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nu_protocol::{IntoInterruptiblePipelineData, LabeledError, ListStream, PipelineData, Signals, Signature, Span, Type};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/cmds/write.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoInterruptiblePipelineData`, `ListStream`, `Signals`, and `Span`
[INFO] [stdout]  --> src/cmds/write.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     IntoInterruptiblePipelineData, LabeledError, ListStream, PipelineData, Signals, Signature,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^                ^^^^^^^
[INFO] [stdout] 6 |     Span, Type,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tap::Pipe`
[INFO] [stdout]  --> src/cmds/write.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tap::Pipe;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/cmds/new.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/cmds/get_pipe.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/cmds/list.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:171:21
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 195 |             .map_err(|e| LabeledError::new("Error when trying to lock state for reading."))?;
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/cmds/new.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/cmds/get_pipe.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]  --> src/cmds/list.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     engine::{self, Call, Command, EngineState, Stack},
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/drop.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/drop.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         input : PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/get_pipe.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/get_pipe.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         input: PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/get_pipe.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/get_pipe.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         input: PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]    --> src/cmds/get_pipe.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         engine: &EngineInterface,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/cmds/get_pipe.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         input: PipelineData,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/list.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `call`
[INFO] [stdout]   --> src/cmds/list.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         call: &EvaluatedCall,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/list.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         input: PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:171:21
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/new.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/new.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         input : PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 195 |             .map_err(|e| LabeledError::new("Error when trying to lock state for reading."))?;
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/read.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         input: PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cmds/write.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             .map_err(|e| {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/write.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/cmds/write.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let a = input
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `_`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         let a = input
[INFO] [stdout] 57 +         let _ = input
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _a = input
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/drop.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/drop.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         input : PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/get_pipe.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/main.rs:172:18
[INFO] [stdout]     |
[INFO] [stdout] 172 |                     drop(inner);
[INFO] [stdout]     |                     ^^^^^-----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut PipeReader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 172 -                     drop(inner);
[INFO] [stdout] 172 +                     let _ = inner;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/get_pipe.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         input: PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/get_pipe.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/get_pipe.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         input: PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]    --> src/cmds/get_pipe.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         engine: &EngineInterface,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/cmds/get_pipe.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         input: PipelineData,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/list.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `call`
[INFO] [stdout]   --> src/cmds/list.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         call: &EvaluatedCall,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/list.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         input: PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/new.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/new.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         input : PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/cmds/read.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         input: PipelineData,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cmds/write.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             .map_err(|e| {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> src/cmds/write.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         engine: &EngineInterface,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/cmds/write.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let a = input
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `_`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         let a = input
[INFO] [stdout] 57 +         let _ = input
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _a = input
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/main.rs:172:18
[INFO] [stdout]     |
[INFO] [stdout] 172 |                     drop(inner);
[INFO] [stdout]     |                     ^^^^^-----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut PipeReader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 172 -                     drop(inner);
[INFO] [stdout] 172 +                     let _ = inner;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.31.3, proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "c441cdb08427505724d64b2838a76983f53d39df0d6efe6b59a9410de13b694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c441cdb08427505724d64b2838a76983f53d39df0d6efe6b59a9410de13b694f", kill_on_drop: false }`
[INFO] [stdout] c441cdb08427505724d64b2838a76983f53d39df0d6efe6b59a9410de13b694f
