[INFO] cloning repository https://github.com/aJuvan/nu_plugin_kubectl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aJuvan/nu_plugin_kubectl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaJuvan%2Fnu_plugin_kubectl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaJuvan%2Fnu_plugin_kubectl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f30849d7ff051a6664afe253ce9bb1176c28e77
[INFO] checking aJuvan/nu_plugin_kubectl against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-20
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaJuvan%2Fnu_plugin_kubectl" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aJuvan/nu_plugin_kubectl
[INFO] finished tweaking git repo https://github.com/aJuvan/nu_plugin_kubectl
[INFO] tweaked toml for git repo https://github.com/aJuvan/nu_plugin_kubectl written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aJuvan/nu_plugin_kubectl on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aJuvan/nu_plugin_kubectl 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7816341d706332153f5a8d66ed0b22492846d9c7d1fe1d755f6b929617761fa
[INFO] running `Command { std: "docker" "start" "-a" "f7816341d706332153f5a8d66ed0b22492846d9c7d1fe1d755f6b929617761fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7816341d706332153f5a8d66ed0b22492846d9c7d1fe1d755f6b929617761fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7816341d706332153f5a8d66ed0b22492846d9c7d1fe1d755f6b929617761fa", kill_on_drop: false }`
[INFO] [stdout] f7816341d706332153f5a8d66ed0b22492846d9c7d1fe1d755f6b929617761fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5572bc7a27b9f3279290d1df4d7d9c56b7915db30ea37d0b0919d5142df6cc
[INFO] running `Command { std: "docker" "start" "-a" "cb5572bc7a27b9f3279290d1df4d7d9c56b7915db30ea37d0b0919d5142df6cc", kill_on_drop: false }`
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[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/kubectl.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |         for arg in call_info.args.positional {
[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] 75 -         for arg in call_info.args.positional {
[INFO] [stdout] 75 +         while let Some(arg) = call_info.args.positional {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 75 -         for arg in call_info.args.positional {
[INFO] [stdout] 75 +         if let Some(arg) = call_info.args.positional {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/kubectl.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |         for arg in call_info.args.positional {
[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] 75 -         for arg in call_info.args.positional {
[INFO] [stdout] 75 +         while let Some(arg) = call_info.args.positional {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 75 -         for arg in call_info.args.positional {
[INFO] [stdout] 75 +         if let Some(arg) = call_info.args.positional {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.45s
[INFO] running `Command { std: "docker" "inspect" "cb5572bc7a27b9f3279290d1df4d7d9c56b7915db30ea37d0b0919d5142df6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5572bc7a27b9f3279290d1df4d7d9c56b7915db30ea37d0b0919d5142df6cc", kill_on_drop: false }`
[INFO] [stdout] cb5572bc7a27b9f3279290d1df4d7d9c56b7915db30ea37d0b0919d5142df6cc