[INFO] cloning repository https://github.com/rossf7/rust-k8s-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rossf7/rust-k8s-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frossf7%2Frust-k8s-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frossf7%2Frust-k8s-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6a19bf807fe173f9c520da3ee064419be67a4a8
[INFO] checking rossf7/rust-k8s-test against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frossf7%2Frust-k8s-test" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rossf7/rust-k8s-test
[INFO] finished tweaking git repo https://github.com/rossf7/rust-k8s-test
[INFO] tweaked toml for git repo https://github.com/rossf7/rust-k8s-test written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rossf7/rust-k8s-test on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rossf7/rust-k8s-test 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sluice v0.5.4
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[INFO] [stderr]   Downloaded k8s-openapi v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1afc68a6dfe9911a4044f8989e0e2696c0d90bb416d93be9896fb6e89ee4e90c
[INFO] running `Command { std: "docker" "start" "-a" "1afc68a6dfe9911a4044f8989e0e2696c0d90bb416d93be9896fb6e89ee4e90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1afc68a6dfe9911a4044f8989e0e2696c0d90bb416d93be9896fb6e89ee4e90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1afc68a6dfe9911a4044f8989e0e2696c0d90bb416d93be9896fb6e89ee4e90c", kill_on_drop: false }`
[INFO] [stdout] 1afc68a6dfe9911a4044f8989e0e2696c0d90bb416d93be9896fb6e89ee4e90c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66d82d199e831722c2183eb80cfe7816dfb05a1c7cb6596a441ae9dbbcb1e00d
[INFO] running `Command { std: "docker" "start" "-a" "66d82d199e831722c2183eb80cfe7816dfb05a1c7cb6596a441ae9dbbcb1e00d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stdout] warning: fields `container_id`, `container_name`, `namespace`, `labels`, and `pod_name` are never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct K8sContainer {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 11 |     container_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     container_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     namespace: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     labels: BTreeMap<String, String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     pod_name: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `K8sContainer` 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: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |     for c in containers {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     for c in containers {
[INFO] [stdout] 21 +     while let Ok(c) = containers {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 21 -     for c in containers {
[INFO] [stdout] 21 +     if let Ok(c) = containers {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `container_id`, `container_name`, `namespace`, `labels`, and `pod_name` are never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct K8sContainer {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 11 |     container_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     container_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     namespace: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     labels: BTreeMap<String, String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     pod_name: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `K8sContainer` 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: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |     for c in containers {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     for c in containers {
[INFO] [stdout] 21 +     while let Ok(c) = containers {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 21 -     for c in containers {
[INFO] [stdout] 21 +     if let Ok(c) = containers {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.42s
[INFO] running `Command { std: "docker" "inspect" "66d82d199e831722c2183eb80cfe7816dfb05a1c7cb6596a441ae9dbbcb1e00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d82d199e831722c2183eb80cfe7816dfb05a1c7cb6596a441ae9dbbcb1e00d", kill_on_drop: false }`
[INFO] [stdout] 66d82d199e831722c2183eb80cfe7816dfb05a1c7cb6596a441ae9dbbcb1e00d