[INFO] cloning repository https://github.com/leenr/native-messaging-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leenr/native-messaging-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleenr%2Fnative-messaging-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleenr%2Fnative-messaging-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a98f1913b7714efdc0f8b23a0678bc437a89811
[INFO] building leenr/native-messaging-proxy against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleenr%2Fnative-messaging-proxy" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leenr/native-messaging-proxy on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leenr/native-messaging-proxy
[INFO] finished tweaking git repo https://github.com/leenr/native-messaging-proxy
[INFO] tweaked toml for git repo https://github.com/leenr/native-messaging-proxy written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/leenr/native-messaging-proxy 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a9ff11b7b5d3c4ec169863904faf36d9c0ac3921600a953630f6bebf4eec924
[INFO] running `Command { std: "docker" "start" "-a" "8a9ff11b7b5d3c4ec169863904faf36d9c0ac3921600a953630f6bebf4eec924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a9ff11b7b5d3c4ec169863904faf36d9c0ac3921600a953630f6bebf4eec924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9ff11b7b5d3c4ec169863904faf36d9c0ac3921600a953630f6bebf4eec924", kill_on_drop: false }`
[INFO] [stdout] 8a9ff11b7b5d3c4ec169863904faf36d9c0ac3921600a953630f6bebf4eec924
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df2f6d2ee52c9fb505727e7d7bbad04f89b7d8bd124884481eb44e4b815ec136
[INFO] running `Command { std: "docker" "start" "-a" "df2f6d2ee52c9fb505727e7d7bbad04f89b7d8bd124884481eb44e4b815ec136", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling value-bag v1.4.1
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling parking v2.1.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-lock v2.7.0
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling rustix v0.38.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling async-task v4.4.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling atomic-waker v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling parse_arg v0.1.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling concurrent-queue v2.2.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling async-executor v1.5.1
[INFO] [stderr]    Compiling blocking v1.3.1
[INFO] [stderr]    Compiling is-terminal v0.4.8
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling async-global-executor v2.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling native-messaging-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/common/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 writer.write(&[msg.data.len().try_into().unwrap(), msg.fd]).await;  // FIXME
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let _ = writer.write(&[msg.data.len().try_into().unwrap(), msg.fd]).await;  // FIXME
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/common/mod.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let _ = writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/common/mod.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         sender.send(Message::new(fd, Vec::from(data))).await;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         let _ = sender.send(Message::new(fd, Vec::from(data))).await;
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 sender.send(Message::new(fd, Vec::from(&buf[..size]))).await;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let _ = sender.send(Message::new(fd, Vec::from(&buf[..size]))).await;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     sender.send(Message::new(fd, Vec::new())).await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let _ = sender.send(Message::new(fd, Vec::new())).await;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:135:25
[INFO] [stdout]     |
[INFO] [stdout] 135 |                         writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |                         let _ = writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         writer.flush().await;  // FIXME
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         let _ = writer.flush().await;  // FIXME
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:162:21
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     writer.write(&[size.try_into().unwrap(), fd]).await;  // FIXME
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     let _ = writer.write(&[size.try_into().unwrap(), fd]).await;  // FIXME
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     writer.write(&buf[..size]).await;  // FIXME
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     let _ = writer.write(&buf[..size]).await;  // FIXME
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   writer.write(&buf[..read]).await;  // FIXME
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 194 |                             let _ = writer.write(&buf[..read]).await;  // FIXME
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_stdin_raw_fd`
[INFO] [stdout]    --> src/daemon/main.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         let child_stdin_raw_fd = child_stdin.as_raw_fd();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_stdin_raw_fd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_stdout_raw_fd`
[INFO] [stdout]    --> src/daemon/main.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         let child_stdout_raw_fd = child_stdout.as_raw_fd();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_stdout_raw_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_stderr_raw_fd`
[INFO] [stdout]    --> src/daemon/main.rs:107:29
[INFO] [stdout]     |
[INFO] [stdout] 107 |                         let child_stderr_raw_fd = child_stderr.as_raw_fd();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_stderr_raw_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/daemon/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Extension {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 13 |     name: String,
[INFO] [stdout] 14 |     description: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Extension` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/daemon/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     handle_connection(stream.clone()).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = handle_connection(stream.clone()).await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/daemon/main.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         send_stderr_string(&mut writer_pin, error.to_string()).await;  // FIXME
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         let _ = send_stderr_string(&mut writer_pin, error.to_string()).await;  // FIXME
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/daemon/main.rs:140:25
[INFO] [stdout]     |
[INFO] [stdout] 140 |                         child.kill();
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |                         let _ = child.kill();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/daemon/main.rs:141:25
[INFO] [stdout]     |
[INFO] [stdout] 141 |                         stream.shutdown(Shutdown::Both);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |                         let _ = stream.shutdown(Shutdown::Both);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/daemon/main.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 send_stderr_string(&mut writer_pin, "Only `stdio` extensions are supported".into()).await;  // FIXME
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let _ = send_stderr_string(&mut writer_pin, "Only `stdio` extensions are supported".into()).await;  // FIXME
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.44s
[INFO] running `Command { std: "docker" "inspect" "df2f6d2ee52c9fb505727e7d7bbad04f89b7d8bd124884481eb44e4b815ec136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2f6d2ee52c9fb505727e7d7bbad04f89b7d8bd124884481eb44e4b815ec136", kill_on_drop: false }`
[INFO] [stdout] df2f6d2ee52c9fb505727e7d7bbad04f89b7d8bd124884481eb44e4b815ec136
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39dfe76ada4ed96343fc2dfdc8d4070216fe32b8a1ee6086c3267408db9f29f9
[INFO] running `Command { std: "docker" "start" "-a" "39dfe76ada4ed96343fc2dfdc8d4070216fe32b8a1ee6086c3267408db9f29f9", kill_on_drop: false }`
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/common/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 writer.write(&[msg.data.len().try_into().unwrap(), msg.fd]).await;  // FIXME
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let _ = writer.write(&[msg.data.len().try_into().unwrap(), msg.fd]).await;  // FIXME
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/common/mod.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let _ = writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/common/mod.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         sender.send(Message::new(fd, Vec::from(data))).await;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         let _ = sender.send(Message::new(fd, Vec::from(data))).await;
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 sender.send(Message::new(fd, Vec::from(&buf[..size]))).await;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let _ = sender.send(Message::new(fd, Vec::from(&buf[..size]))).await;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     sender.send(Message::new(fd, Vec::new())).await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let _ = sender.send(Message::new(fd, Vec::new())).await;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:135:25
[INFO] [stdout]     |
[INFO] [stdout] 135 |                         writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |                         let _ = writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         writer.flush().await;  // FIXME
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         let _ = writer.flush().await;  // FIXME
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:162:21
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     writer.write(&[size.try_into().unwrap(), fd]).await;  // FIXME
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     let _ = writer.write(&[size.try_into().unwrap(), fd]).await;  // FIXME
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     writer.write(&buf[..size]).await;  // FIXME
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     let _ = writer.write(&buf[..size]).await;  // FIXME
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   writer.write(&buf[..read]).await;  // FIXME
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 194 |                             let _ = writer.write(&buf[..read]).await;  // FIXME
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling native-messaging-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `child_stdin_raw_fd`
[INFO] [stdout]    --> src/daemon/main.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         let child_stdin_raw_fd = child_stdin.as_raw_fd();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_stdin_raw_fd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_stdout_raw_fd`
[INFO] [stdout]    --> src/daemon/main.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         let child_stdout_raw_fd = child_stdout.as_raw_fd();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_stdout_raw_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_stderr_raw_fd`
[INFO] [stdout]    --> src/daemon/main.rs:107:29
[INFO] [stdout]     |
[INFO] [stdout] 107 |                         let child_stderr_raw_fd = child_stderr.as_raw_fd();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_stderr_raw_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/daemon/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Extension {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 13 |     name: String,
[INFO] [stdout] 14 |     description: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Extension` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/common/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 writer.write(&[msg.data.len().try_into().unwrap(), msg.fd]).await;  // FIXME
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let _ = writer.write(&[msg.data.len().try_into().unwrap(), msg.fd]).await;  // FIXME
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/common/mod.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let _ = writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/common/mod.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         sender.send(Message::new(fd, Vec::from(data))).await;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         let _ = sender.send(Message::new(fd, Vec::from(data))).await;
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 sender.send(Message::new(fd, Vec::from(&buf[..size]))).await;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let _ = sender.send(Message::new(fd, Vec::from(&buf[..size]))).await;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     sender.send(Message::new(fd, Vec::new())).await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let _ = sender.send(Message::new(fd, Vec::new())).await;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:135:25
[INFO] [stdout]     |
[INFO] [stdout] 135 |                         writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |                         let _ = writer.write(&msg.data).await;  // FIXME
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         writer.flush().await;  // FIXME
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         let _ = writer.flush().await;  // FIXME
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:162:21
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     writer.write(&[size.try_into().unwrap(), fd]).await;  // FIXME
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     let _ = writer.write(&[size.try_into().unwrap(), fd]).await;  // FIXME
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     writer.write(&buf[..size]).await;  // FIXME
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     let _ = writer.write(&buf[..size]).await;  // FIXME
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/common/mod.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   writer.write(&buf[..read]).await;  // FIXME
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 194 |                             let _ = writer.write(&buf[..read]).await;  // FIXME
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/daemon/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     handle_connection(stream.clone()).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = handle_connection(stream.clone()).await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/daemon/main.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         send_stderr_string(&mut writer_pin, error.to_string()).await;  // FIXME
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         let _ = send_stderr_string(&mut writer_pin, error.to_string()).await;  // FIXME
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/daemon/main.rs:140:25
[INFO] [stdout]     |
[INFO] [stdout] 140 |                         child.kill();
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |                         let _ = child.kill();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/daemon/main.rs:141:25
[INFO] [stdout]     |
[INFO] [stdout] 141 |                         stream.shutdown(Shutdown::Both);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |                         let _ = stream.shutdown(Shutdown::Both);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/daemon/main.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 send_stderr_string(&mut writer_pin, "Only `stdio` extensions are supported".into()).await;  // FIXME
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let _ = send_stderr_string(&mut writer_pin, "Only `stdio` extensions are supported".into()).await;  // FIXME
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "39dfe76ada4ed96343fc2dfdc8d4070216fe32b8a1ee6086c3267408db9f29f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39dfe76ada4ed96343fc2dfdc8d4070216fe32b8a1ee6086c3267408db9f29f9", kill_on_drop: false }`
[INFO] [stdout] 39dfe76ada4ed96343fc2dfdc8d4070216fe32b8a1ee6086c3267408db9f29f9
