[INFO] cloning repository https://github.com/JaciBrunning/knative-flex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JaciBrunning/knative-flex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaciBrunning%2Fknative-flex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaciBrunning%2Fknative-flex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f51084609ef75a8a667171e2635b0d6efdb6aa63
[INFO] checking JaciBrunning/knative-flex against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaciBrunning%2Fknative-flex" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JaciBrunning/knative-flex
[INFO] finished tweaking git repo https://github.com/JaciBrunning/knative-flex
[INFO] tweaked toml for git repo https://github.com/JaciBrunning/knative-flex written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JaciBrunning/knative-flex on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JaciBrunning/knative-flex 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2672edb3cba488f2b1af9c8665c47105ddac31158f996f33d642ae2442cfe105
[INFO] running `Command { std: "docker" "start" "2672edb3cba488f2b1af9c8665c47105ddac31158f996f33d642ae2442cfe105", 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" "2672edb3cba488f2b1af9c8665c47105ddac31158f996f33d642ae2442cfe105" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2672edb3cba488f2b1af9c8665c47105ddac31158f996f33d642ae2442cfe105", 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" "2672edb3cba488f2b1af9c8665c47105ddac31158f996f33d642ae2442cfe105" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling k8s-openapi v0.25.0
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking hostname v0.4.1
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking secrecy v0.10.3
[INFO] [stderr]     Checking pem v3.0.5
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking async-broadcast v0.7.2
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking rustls-webpki v0.103.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]    Compiling enum-ordinalize v4.3.0
[INFO] [stderr]    Compiling educe v0.6.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling delegate-attr v0.3.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]     Checking protobuf-support v3.7.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]     Checking miette v7.6.0
[INFO] [stderr]     Checking atomic v0.6.1
[INFO] [stderr]     Checking snafu v0.8.6
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking backon v1.5.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking h2 v0.4.11
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tokio-graceful-shutdown v0.16.0
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking jsonptr v0.7.1
[INFO] [stderr]     Checking jsonpath-rust v0.7.5
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]     Checking json-patch v4.0.0
[INFO] [stderr]    Compiling kube-derive v1.1.0
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper-util v0.1.14
[INFO] [stderr]     Checking hyper-timeout v0.5.2
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.22
[INFO] [stderr]     Checking warp v0.3.7
[INFO] [stderr]     Checking cloudevents-sdk v0.8.0
[INFO] [stderr]     Checking kube-core v1.1.0
[INFO] [stderr]     Checking knative-flex-lib v0.1.0 (/opt/rustwide/workdir/knative-flex-lib)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> knative-flex-lib/src/eventing/filters.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn find_attr(&self, key: &str) -> Option<Cow<str>>;
[INFO] [stdout]    |                  ^^^^^                       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn find_attr(&self, key: &str) -> Option<Cow<'_, str>>;
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> knative-flex-lib/src/eventing/filters.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn find_attr(&self, key: &str) -> Option<Cow<str>> {
[INFO] [stdout]    |                  ^^^^^                       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn find_attr(&self, key: &str) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> knative-flex-lib/src/eventing/filters.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn find_attr(&self, key: &str) -> Option<Cow<str>>;
[INFO] [stdout]    |                  ^^^^^                       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn find_attr(&self, key: &str) -> Option<Cow<'_, str>>;
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> knative-flex-lib/src/eventing/filters.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn find_attr(&self, key: &str) -> Option<Cow<str>> {
[INFO] [stdout]    |                  ^^^^^                       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn find_attr(&self, key: &str) -> Option<Cow<'_, str>> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking kube-client v1.1.0
[INFO] [stderr]     Checking kube-runtime v1.1.0
[INFO] [stderr]     Checking kube v1.1.0
[INFO] [stderr]     Checking knative-crds v0.1.0 (/opt/rustwide/workdir/knative-crds)
[INFO] [stderr]     Checking knative-flex-filter v0.1.0 (/opt/rustwide/workdir/knative-flex-filter)
[INFO] [stderr]     Checking knative-flex-broker v0.1.0 (/opt/rustwide/workdir/knative-flex-broker)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "2672edb3cba488f2b1af9c8665c47105ddac31158f996f33d642ae2442cfe105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2672edb3cba488f2b1af9c8665c47105ddac31158f996f33d642ae2442cfe105", kill_on_drop: false }`
[INFO] [stdout] 2672edb3cba488f2b1af9c8665c47105ddac31158f996f33d642ae2442cfe105
