[INFO] fetching crate kubelet 0.4.0...
[INFO] checking kubelet-0.4.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate kubelet 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate kubelet 0.4.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kubelet 0.4.0
[INFO] finished tweaking crates.io crate kubelet 0.4.0
[INFO] tweaked toml for crates.io crate kubelet 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c954b01fb326705a443dd3b93a32e09318cd6b3104d3b953f2e3a3c19053a0d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c954b01fb326705a443dd3b93a32e09318cd6b3104d3b953f2e3a3c19053a0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c954b01fb326705a443dd3b93a32e09318cd6b3104d3b953f2e3a3c19053a0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c954b01fb326705a443dd3b93a32e09318cd6b3104d3b953f2e3a3c19053a0d9", kill_on_drop: false }`
[INFO] [stdout] c954b01fb326705a443dd3b93a32e09318cd6b3104d3b953f2e3a3c19053a0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92a0fe760d5ca1007f4c2f085dcdad47da57ba55b081acc530de975ecd570e9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "92a0fe760d5ca1007f4c2f085dcdad47da57ba55b081acc530de975ecd570e9f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling phf_generator v0.7.24
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[INFO] [stderr]    Compiling serde_derive v1.0.115
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[INFO] [stderr]     Checking oci-distribution v0.3.0
[INFO] [stderr]     Checking kube v0.35.1
[INFO] [stderr]     Checking kubelet v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]   --> src/config.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::iter::FromIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]   --> src/config.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::iter::FromIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ok_result_of`
[INFO] [stdout]    --> src/config.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn ok_result_of<T>(value: Option<T>) -> Option<anyhow::Result<T>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_override`
[INFO] [stdout]    --> src/config.rs:291:8
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn with_override(self: Self, other: Self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default_config_file_path`
[INFO] [stdout]    --> src/config.rs:543:4
[INFO] [stdout]     |
[INFO] [stdout] 543 | fn default_config_file_path() -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_one_label`
[INFO] [stdout]    --> src/config.rs:556:4
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn split_one_label(in_string: &str) -> Option<(String, String)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ok_result_of`
[INFO] [stdout]    --> src/config.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn ok_result_of<T>(value: Option<T>) -> Option<anyhow::Result<T>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default_config_file_path`
[INFO] [stdout]    --> src/config.rs:543:4
[INFO] [stdout]     |
[INFO] [stdout] 543 | fn default_config_file_path() -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_one_label`
[INFO] [stdout]    --> src/config.rs:556:4
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn split_one_label(in_string: &str) -> Option<(String, String)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 38s
[INFO] running `Command { std: "docker" "inspect" "92a0fe760d5ca1007f4c2f085dcdad47da57ba55b081acc530de975ecd570e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92a0fe760d5ca1007f4c2f085dcdad47da57ba55b081acc530de975ecd570e9f", kill_on_drop: false }`
[INFO] [stdout] 92a0fe760d5ca1007f4c2f085dcdad47da57ba55b081acc530de975ecd570e9f