[INFO] cloning repository https://github.com/peternguyen93/rustSerialKDPProxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peternguyen93/rustSerialKDPProxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeternguyen93%2FrustSerialKDPProxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeternguyen93%2FrustSerialKDPProxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 659b31f87bd7250ea2a9e33a7c81f7619394b217
[INFO] checking peternguyen93/rustSerialKDPProxy against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeternguyen93%2FrustSerialKDPProxy" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/peternguyen93/rustSerialKDPProxy
[INFO] finished tweaking git repo https://github.com/peternguyen93/rustSerialKDPProxy
[INFO] tweaked toml for git repo https://github.com/peternguyen93/rustSerialKDPProxy written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/peternguyen93/rustSerialKDPProxy on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/peternguyen93/rustSerialKDPProxy 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a01c94fae05b6359b6b1bb1b7fb6e3be958e819ab7255e44c1d8042f1ff85acd
[INFO] running `Command { std: "docker" "start" "-a" "a01c94fae05b6359b6b1bb1b7fb6e3be958e819ab7255e44c1d8042f1ff85acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a01c94fae05b6359b6b1bb1b7fb6e3be958e819ab7255e44c1d8042f1ff85acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01c94fae05b6359b6b1bb1b7fb6e3be958e819ab7255e44c1d8042f1ff85acd", kill_on_drop: false }`
[INFO] [stdout] a01c94fae05b6359b6b1bb1b7fb6e3be958e819ab7255e44c1d8042f1ff85acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34770a8f606933b0bf73761fe6118096aad460040e451e6df14421c2ca024cad
[INFO] running `Command { std: "docker" "start" "-a" "34770a8f606933b0bf73761fe6118096aad460040e451e6df14421c2ca024cad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking virt v0.2.11
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rustSerialKDPProxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling clap_derive v3.1.0
[INFO] [stderr]     Checking clap v3.1.1
[INFO] [stdout] warning: method `get_ip_v` is never used
[INFO] [stdout]   --> src/kdp_export.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl ip {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_ip_v(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:350:2
[INFO] [stdout]     |
[INFO] [stdout] 350 | /     /// The pattern to look fr
[INFO] [stdout] 351 | |     #[clap(short, long)]
[INFO] [stdout] 352 | |     kvm_name : Option<String>,
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:353:5
[INFO] [stdout]     |
[INFO] [stdout] 353 | /     #[clap(short, long)]
[INFO] [stdout] 354 | |     serial_path : Option<std::path::PathBuf>, // store serial device path
[INFO] [stdout]     | |____________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:355:2
[INFO] [stdout]     |
[INFO] [stdout] 355 | /     #[clap(short, long)]
[INFO] [stdout] 356 | |     listen : Option<String>,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustSerialKDPProxy` (bin "rustSerialKDPProxy") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `get_ip_v` is never used
[INFO] [stdout]   --> src/kdp_export.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl ip {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_ip_v(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:350:2
[INFO] [stdout]     |
[INFO] [stdout] 350 | /     /// The pattern to look fr
[INFO] [stdout] 351 | |     #[clap(short, long)]
[INFO] [stdout] 352 | |     kvm_name : Option<String>,
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:353:5
[INFO] [stdout]     |
[INFO] [stdout] 353 | /     #[clap(short, long)]
[INFO] [stdout] 354 | |     serial_path : Option<std::path::PathBuf>, // store serial device path
[INFO] [stdout]     | |____________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:355:2
[INFO] [stdout]     |
[INFO] [stdout] 355 | /     #[clap(short, long)]
[INFO] [stdout] 356 | |     listen : Option<String>,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustSerialKDPProxy` (bin "rustSerialKDPProxy" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "34770a8f606933b0bf73761fe6118096aad460040e451e6df14421c2ca024cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34770a8f606933b0bf73761fe6118096aad460040e451e6df14421c2ca024cad", kill_on_drop: false }`
[INFO] [stdout] 34770a8f606933b0bf73761fe6118096aad460040e451e6df14421c2ca024cad
