[INFO] cloning repository https://github.com/Effnote/rsfchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Effnote/rsfchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEffnote%2Frsfchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEffnote%2Frsfchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efce95bae1ea9553c4a51f91af48b0f15dc821f6
[INFO] building Effnote/rsfchat against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEffnote%2Frsfchat" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Effnote/rsfchat
[INFO] finished tweaking git repo https://github.com/Effnote/rsfchat
[INFO] tweaked toml for git repo https://github.com/Effnote/rsfchat written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Effnote/rsfchat on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Effnote/rsfchat 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/effnote/libfchat`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43556cf629040487fa6cf18622b298e1d607489f1087fa87ef965fc2725f3ba8
[INFO] running `Command { std: "docker" "start" "-a" "43556cf629040487fa6cf18622b298e1d607489f1087fa87ef965fc2725f3ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43556cf629040487fa6cf18622b298e1d607489f1087fa87ef965fc2725f3ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43556cf629040487fa6cf18622b298e1d607489f1087fa87ef965fc2725f3ba8", kill_on_drop: false }`
[INFO] [stdout] 43556cf629040487fa6cf18622b298e1d607489f1087fa87ef965fc2725f3ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb39ba6e1eb0b8847a6a1b7c344ef7426668048b275465befe49c0e518a2f71
[INFO] running `Command { std: "docker" "start" "-a" "5fb39ba6e1eb0b8847a6a1b7c344ef7426668048b275465befe49c0e518a2f71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
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[INFO] [stderr]    Compiling fchat v0.3.1 (https://github.com/effnote/libfchat#cadeecf2)
[INFO] [stderr]    Compiling rsfchat v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `character` is never read
[INFO] [stdout]   --> src/app.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     character: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/app.rs:281:10
[INFO] [stdout]     |
[INFO] [stdout] 281 |     Chat(ServerMessage),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AppEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 281 -     Chat(ServerMessage),
[INFO] [stdout] 281 +     Chat(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/app.rs:282:11
[INFO] [stdout]     |
[INFO] [stdout] 282 |     Error(AppError),
[INFO] [stdout]     |     ----- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AppEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 282 -     Error(AppError),
[INFO] [stdout] 282 +     Error(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Debug` is never constructed
[INFO] [stdout]    --> src/app.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub enum AppEvent {
[INFO] [stdout]     |          -------- variant in this enum
[INFO] [stdout] 277 |     Crossterm(Result<crossterm::event::Event, io::Error>),
[INFO] [stdout] 278 |     Debug(String),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AppEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/app.rs:287:16
[INFO] [stdout]     |
[INFO] [stdout] 287 |     Connection(fchat::Error),
[INFO] [stdout]     |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 287 -     Connection(fchat::Error),
[INFO] [stdout] 287 +     Connection(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RequestSender` is never used
[INFO] [stdout]   --> src/io.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub type RequestSender = Sender<IoRequest>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `foreground` and `cursor` are never read
[INFO] [stdout]   --> src/widgets.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TextArea {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     background: Color,
[INFO] [stdout] 18 |     foreground: Color,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 19 |     cursor: Color,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TextArea` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io.rs:94:37
[INFO] [stdout]    |
[INFO] [stdout] 94 | ...                   event_sender.send(AppEvent::Error(AppError::Connection(error)));
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |                                     let _ = event_sender.send(AppEvent::Error(AppError::Connection(error)));
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "5fb39ba6e1eb0b8847a6a1b7c344ef7426668048b275465befe49c0e518a2f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb39ba6e1eb0b8847a6a1b7c344ef7426668048b275465befe49c0e518a2f71", kill_on_drop: false }`
[INFO] [stdout] 5fb39ba6e1eb0b8847a6a1b7c344ef7426668048b275465befe49c0e518a2f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c349ad03be210cac9aa91c290a34be11b406b613ac9076902b8962ac88752e4
[INFO] running `Command { std: "docker" "start" "-a" "2c349ad03be210cac9aa91c290a34be11b406b613ac9076902b8962ac88752e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsfchat v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `character` is never read
[INFO] [stdout]   --> src/app.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     character: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/app.rs:281:10
[INFO] [stdout]     |
[INFO] [stdout] 281 |     Chat(ServerMessage),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AppEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 281 -     Chat(ServerMessage),
[INFO] [stdout] 281 +     Chat(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/app.rs:282:11
[INFO] [stdout]     |
[INFO] [stdout] 282 |     Error(AppError),
[INFO] [stdout]     |     ----- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AppEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 282 -     Error(AppError),
[INFO] [stdout] 282 +     Error(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Debug` is never constructed
[INFO] [stdout]    --> src/app.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub enum AppEvent {
[INFO] [stdout]     |          -------- variant in this enum
[INFO] [stdout] 277 |     Crossterm(Result<crossterm::event::Event, io::Error>),
[INFO] [stdout] 278 |     Debug(String),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AppEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/app.rs:287:16
[INFO] [stdout]     |
[INFO] [stdout] 287 |     Connection(fchat::Error),
[INFO] [stdout]     |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 287 -     Connection(fchat::Error),
[INFO] [stdout] 287 +     Connection(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RequestSender` is never used
[INFO] [stdout]   --> src/io.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub type RequestSender = Sender<IoRequest>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `foreground` and `cursor` are never read
[INFO] [stdout]   --> src/widgets.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TextArea {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     background: Color,
[INFO] [stdout] 18 |     foreground: Color,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 19 |     cursor: Color,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TextArea` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io.rs:94:37
[INFO] [stdout]    |
[INFO] [stdout] 94 | ...                   event_sender.send(AppEvent::Error(AppError::Connection(error)));
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |                                     let _ = event_sender.send(AppEvent::Error(AppError::Connection(error)));
[INFO] [stdout]    |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "2c349ad03be210cac9aa91c290a34be11b406b613ac9076902b8962ac88752e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c349ad03be210cac9aa91c290a34be11b406b613ac9076902b8962ac88752e4", kill_on_drop: false }`
[INFO] [stdout] 2c349ad03be210cac9aa91c290a34be11b406b613ac9076902b8962ac88752e4