[INFO] cloning repository https://github.com/srineshr1/mywifistats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/srineshr1/mywifistats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrineshr1%2Fmywifistats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrineshr1%2Fmywifistats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 820d09e19d9e4bf6bbca0f1e96d4387ceb77d164
[INFO] checking srineshr1/mywifistats against be3da1e8c043bb6f1f335463d3b1335cdf50b03c for pr-162597
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrineshr1%2Fmywifistats" "/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/srineshr1/mywifistats
[INFO] finished tweaking git repo https://github.com/srineshr1/mywifistats
[INFO] tweaked toml for git repo https://github.com/srineshr1/mywifistats written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/srineshr1/mywifistats on toolchain be3da1e8c043bb6f1f335463d3b1335cdf50b03c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/srineshr1/mywifistats 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" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mywifistats` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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] d2ef56a1800178bb1e28b142fae8cf74fbad6494a5d71ce087c3274a90e22266
[INFO] running `Command { std: "docker" "start" "d2ef56a1800178bb1e28b142fae8cf74fbad6494a5d71ce087c3274a90e22266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ef56a1800178bb1e28b142fae8cf74fbad6494a5d71ce087c3274a90e22266", 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" "d2ef56a1800178bb1e28b142fae8cf74fbad6494a5d71ce087c3274a90e22266" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ef56a1800178bb1e28b142fae8cf74fbad6494a5d71ce087c3274a90e22266", 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" "d2ef56a1800178bb1e28b142fae8cf74fbad6494a5d71ce087c3274a90e22266" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mywifistats` (manifest) generated 1 warning
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[INFO] [stderr]     Checking icu_locale_core v2.2.0
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[INFO] [stderr]     Checking idna v1.1.0
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[INFO] [stderr]     Checking mywifistats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Ethernet` is never constructed
[INFO] [stdout]  --> src/model.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum LinkKind {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 8 |     Wifi,
[INFO] [stdout] 9 |     Ethernet,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LinkKind` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `devices` is never read
[INFO] [stdout]   --> src/rate.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct RateTracker {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 14 |     local: Option<Sample>,
[INFO] [stdout] 15 |     devices: HashMap<String, Sample>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RateTracker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update_device` is never used
[INFO] [stdout]   --> src/rate.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl RateTracker {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn update_device(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_wifi` is never used
[INFO] [stdout]   --> src/wifi.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn collect_wifi(iface: &str) -> Result<WifiLink> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_station_dump` is never used
[INFO] [stdout]    --> src/wifi.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn parse_station_dump(out: &str, link: &mut WifiLink) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ethernet` is never constructed
[INFO] [stdout]  --> src/model.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum LinkKind {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 8 |     Wifi,
[INFO] [stdout] 9 |     Ethernet,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LinkKind` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `devices` is never read
[INFO] [stdout]   --> src/rate.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct RateTracker {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 14 |     local: Option<Sample>,
[INFO] [stdout] 15 |     devices: HashMap<String, Sample>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RateTracker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update_device` is never used
[INFO] [stdout]   --> src/rate.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl RateTracker {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn update_device(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_wifi` is never used
[INFO] [stdout]   --> src/wifi.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn collect_wifi(iface: &str) -> Result<WifiLink> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_station_dump` is never used
[INFO] [stdout]    --> src/wifi.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn parse_station_dump(out: &str, link: &mut WifiLink) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `thiserror`
[INFO] [stderr]   --> Cargo.toml:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | thiserror = "2"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `thiserror`
[INFO] [stderr] warning: `mywifistats` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.52s
[INFO] running `Command { std: "docker" "inspect" "d2ef56a1800178bb1e28b142fae8cf74fbad6494a5d71ce087c3274a90e22266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ef56a1800178bb1e28b142fae8cf74fbad6494a5d71ce087c3274a90e22266", kill_on_drop: false }`
[INFO] [stdout] d2ef56a1800178bb1e28b142fae8cf74fbad6494a5d71ce087c3274a90e22266
