[INFO] fetching crate qube 0.4.0...
[INFO] checking qube-0.4.0 against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1
[INFO] extracting crate qube 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate qube 0.4.0
[INFO] finished tweaking crates.io crate qube 0.4.0
[INFO] tweaked toml for crates.io crate qube 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qube 0.4.0 on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 228 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.6.0 (available: v0.22.1)
[INFO] [stderr]       Adding colored v1.9.4 (available: v3.1.1)
[INFO] [stderr]       Adding error-chain v0.11.0 (available: v0.12.4)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.32)
[INFO] [stderr]       Adding k8s-openapi v0.2.0 (available: v0.28.0)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.1)
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.13.4)
[INFO] [stderr]       Adding serde_yaml v0.7.5 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.52.3)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.8)
[INFO] [stderr]       Adding walkdir v1.0.7 (available: v2.5.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `qube` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9e59011f7148cc263afbbb8e1c86e161b5dfba1051cd03a81ec62575359ab7b3
[INFO] running `Command { std: "docker" "start" "9e59011f7148cc263afbbb8e1c86e161b5dfba1051cd03a81ec62575359ab7b3", 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" "9e59011f7148cc263afbbb8e1c86e161b5dfba1051cd03a81ec62575359ab7b3" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e59011f7148cc263afbbb8e1c86e161b5dfba1051cd03a81ec62575359ab7b3", 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" "9e59011f7148cc263afbbb8e1c86e161b5dfba1051cd03a81ec62575359ab7b3" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `qube` (manifest) generated 1 warning
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[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/clients/low_level.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Client` and `Decoder`
[INFO] [stdout]   --> src/clients/low_level.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 | use reqwest::async::{Client, Decoder};
[INFO] [stdout]    |                      ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]   --> src/clients/low_level.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::io::{self, Cursor, Write};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | / error_chain! {
[INFO] [stdout]  4 | |     foreign_links {
[INFO] [stdout]  5 | |         Io(::std::io::Error);
[INFO] [stdout]  6 | |         Json(::serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/clients/low_level.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Client` and `Decoder`
[INFO] [stdout]   --> src/clients/low_level.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 | use reqwest::async::{Client, Decoder};
[INFO] [stdout]    |                      ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]   --> src/clients/low_level.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::io::{self, Cursor, Write};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | / error_chain! {
[INFO] [stdout]  4 | |     foreign_links {
[INFO] [stdout]  5 | |         Io(::std::io::Error);
[INFO] [stdout]  6 | |         Json(::serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | / error_chain! {
[INFO] [stdout]  4 | |     foreign_links {
[INFO] [stdout]  5 | |         Io(::std::io::Error);
[INFO] [stdout]  6 | |         Json(::serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | / error_chain! {
[INFO] [stdout]  4 | |     foreign_links {
[INFO] [stdout]  5 | |         Io(::std::io::Error);
[INFO] [stdout]  6 | |         Json(::serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `openssl::pkcs12::Pkcs12Builder::build`: Use Self::{name, pkey, cert, build2} instead.
[INFO] [stdout]   --> src/clients/low_level.rs:80:47
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let pkcs_cert = Pkcs12::builder().build("", "admin", &key, &crt).chain_err(|| "Failed to build Pkcs12")?;
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `openssl::pkcs12::Pkcs12Builder::build`: Use Self::{name, pkey, cert, build2} instead.
[INFO] [stdout]   --> src/clients/low_level.rs:88:47
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let pkcs_cert = Pkcs12::builder().build("", "admin", &key, &crt).chain_err(|| "Failed to build Pkcs12")?;
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/clients/low_level.rs:349:90
[INFO] [stdout]     |
[INFO] [stdout] 349 |                         let data = format!("{}{}\n", resname, from_utf8(&chunk).unwrap().trim_right());
[INFO] [stdout]     |                                                                                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 349 -                         let data = format!("{}{}\n", resname, from_utf8(&chunk).unwrap().trim_right());
[INFO] [stdout] 349 +                         let data = format!("{}{}\n", resname, from_utf8(&chunk).unwrap().trim_end());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `openssl::pkcs12::Pkcs12Builder::build`: Use Self::{name, pkey, cert, build2} instead.
[INFO] [stdout]   --> src/clients/low_level.rs:80:47
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let pkcs_cert = Pkcs12::builder().build("", "admin", &key, &crt).chain_err(|| "Failed to build Pkcs12")?;
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `openssl::pkcs12::Pkcs12Builder::build`: Use Self::{name, pkey, cert, build2} instead.
[INFO] [stdout]   --> src/clients/low_level.rs:88:47
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let pkcs_cert = Pkcs12::builder().build("", "admin", &key, &crt).chain_err(|| "Failed to build Pkcs12")?;
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/clients/low_level.rs:349:90
[INFO] [stdout]     |
[INFO] [stdout] 349 |                         let data = format!("{}{}\n", resname, from_utf8(&chunk).unwrap().trim_right());
[INFO] [stdout]     |                                                                                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 349 -                         let data = format!("{}{}\n", resname, from_utf8(&chunk).unwrap().trim_right());
[INFO] [stdout] 349 +                         let data = format!("{}{}\n", resname, from_utf8(&chunk).unwrap().trim_end());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut headers = header::HeaderMap::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut headers_async = header::HeaderMap::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut client = reqwest::Client::builder();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut async_client = reqwest::async::Client::builder();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut client = if let Some(ca_cert) = cluster.ca_cert() {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut async_client = if let Some(ca_cert) = cluster.ca_cert() {
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clients/low_level.rs:338:29
[INFO] [stdout]     |
[INFO] [stdout] 338 |             .and_then(move |mut res| {
[INFO] [stdout]     |                             ----^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clients/low_level.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let mut req = self.auth_async(self.async_client.get(url));
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clients/low_level.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |         let mut response = req
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clients/low_level.rs:364:13
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let mut req = self.auth(self.client.get(url));
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/clients/low_level.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let path_clone = path.borrow().clone();
[INFO] [stdout]    |                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `P` does not implement `Clone`, so calling `clone` on `&P` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/clients/low_level.rs:249:77
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let kind_path = match mini.metadata.namespace.as_ref().map(|x| &**x).borrow().or(mini.kind.default_namespace) {
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `std::option::Option<&str>` does not implement `Borrow`, so calling `borrow` on `&std::option::Option<&str>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 249 -         let kind_path = match mini.metadata.namespace.as_ref().map(|x| &**x).borrow().or(mini.kind.default_namespace) {
[INFO] [stdout] 249 +         let kind_path = match mini.metadata.namespace.as_ref().map(|x| &**x).or(mini.kind.default_namespace) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut headers = header::HeaderMap::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut headers_async = header::HeaderMap::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut client = reqwest::Client::builder();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut async_client = reqwest::async::Client::builder();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut client = if let Some(ca_cert) = cluster.ca_cert() {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/clients/low_level.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut async_client = if let Some(ca_cert) = cluster.ca_cert() {
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clients/low_level.rs:338:29
[INFO] [stdout]     |
[INFO] [stdout] 338 |             .and_then(move |mut res| {
[INFO] [stdout]     |                             ----^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clients/low_level.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let mut req = self.auth_async(self.async_client.get(url));
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clients/low_level.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |         let mut response = req
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/clients/low_level.rs:364:13
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let mut req = self.auth(self.client.get(url));
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/clients/low_level.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let path_clone = path.borrow().clone();
[INFO] [stdout]    |                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `P` does not implement `Clone`, so calling `clone` on `&P` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/clients/low_level.rs:249:77
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let kind_path = match mini.metadata.namespace.as_ref().map(|x| &**x).borrow().or(mini.kind.default_namespace) {
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `std::option::Option<&str>` does not implement `Borrow`, so calling `borrow` on `&std::option::Option<&str>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 249 -         let kind_path = match mini.metadata.namespace.as_ref().map(|x| &**x).borrow().or(mini.kind.default_namespace) {
[INFO] [stdout] 249 +         let kind_path = match mini.metadata.namespace.as_ref().map(|x| &**x).or(mini.kind.default_namespace) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "9e59011f7148cc263afbbb8e1c86e161b5dfba1051cd03a81ec62575359ab7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e59011f7148cc263afbbb8e1c86e161b5dfba1051cd03a81ec62575359ab7b3", kill_on_drop: false }`
[INFO] [stdout] 9e59011f7148cc263afbbb8e1c86e161b5dfba1051cd03a81ec62575359ab7b3
