[INFO] cloning repository https://github.com/Ruegen/scanbro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ruegen/scanbro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuegen%2Fscanbro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuegen%2Fscanbro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d27cc1cf2bb3b745dfb97b6903c90f4eba2bbf5
[INFO] checking Ruegen/scanbro against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuegen%2Fscanbro" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Ruegen/scanbro
[INFO] finished tweaking git repo https://github.com/Ruegen/scanbro
[INFO] tweaked toml for git repo https://github.com/Ruegen/scanbro written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ruegen/scanbro on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ruegen/scanbro 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c7372b3387d8a0dfd36e7231ff4ca9e6d829966a6e8c7f2c1cae5c011a84eedb
[INFO] running `Command { std: "docker" "start" "c7372b3387d8a0dfd36e7231ff4ca9e6d829966a6e8c7f2c1cae5c011a84eedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7372b3387d8a0dfd36e7231ff4ca9e6d829966a6e8c7f2c1cae5c011a84eedb", 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" "c7372b3387d8a0dfd36e7231ff4ca9e6d829966a6e8c7f2c1cae5c011a84eedb" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7372b3387d8a0dfd36e7231ff4ca9e6d829966a6e8c7f2c1cae5c011a84eedb", 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 -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c7372b3387d8a0dfd36e7231ff4ca9e6d829966a6e8c7f2c1cae5c011a84eedb" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: variants `Network` and `Disconnected` are never constructed
[INFO] [stdout]   --> src/error.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum AppError {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout]  5 |     #[error("{0}")]
[INFO] [stdout]  6 |     Network(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     Disconnected,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `label` is never used
[INFO] [stdout]   --> src/state.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl ConnectionState {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 58 |     pub fn label(self) -> &'static str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `brother_usb_present` is never used
[INFO] [stdout]    --> src/usb.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 | pub fn brother_usb_present() -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Network` and `Disconnected` are never constructed
[INFO] [stdout]   --> src/error.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum AppError {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout]  5 |     #[error("{0}")]
[INFO] [stdout]  6 |     Network(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     Disconnected,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `label` is never used
[INFO] [stdout]   --> src/state.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl ConnectionState {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 58 |     pub fn label(self) -> &'static str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `brother_usb_present` is never used
[INFO] [stdout]    --> src/usb.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 | pub fn brother_usb_present() -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 01s
[INFO] running `Command { std: "docker" "inspect" "c7372b3387d8a0dfd36e7231ff4ca9e6d829966a6e8c7f2c1cae5c011a84eedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7372b3387d8a0dfd36e7231ff4ca9e6d829966a6e8c7f2c1cae5c011a84eedb", kill_on_drop: false }`
[INFO] [stdout] c7372b3387d8a0dfd36e7231ff4ca9e6d829966a6e8c7f2c1cae5c011a84eedb
