[INFO] cloning repository https://github.com/pubky/pkarr-churn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pubky/pkarr-churn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpubky%2Fpkarr-churn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpubky%2Fpkarr-churn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2902416af5f1372a43a5ee40887b788e8e3242be
[INFO] checking pubky/pkarr-churn against e4d5758286bf2cf6f415802f2cf861747a7c6c8c for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpubky%2Fpkarr-churn" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pubky/pkarr-churn
[INFO] finished tweaking git repo https://github.com/pubky/pkarr-churn
[INFO] tweaked toml for git repo https://github.com/pubky/pkarr-churn written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pubky/pkarr-churn on toolchain e4d5758286bf2cf6f415802f2cf861747a7c6c8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pubky/pkarr-churn 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" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "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 redox_syscall v0.5.9
[INFO] [stderr]   Downloaded socket2 v0.5.8
[INFO] [stderr]   Downloaded thiserror v2.0.11
[INFO] [stderr]   Downloaded windows-registry v0.2.0
[INFO] [stderr]   Downloaded lru v0.13.0
[INFO] [stderr]   Downloaded tokio-rustls v0.26.1
[INFO] [stderr]   Downloaded async-compat v0.2.4
[INFO] [stderr]   Downloaded wit-bindgen-rt v0.33.0
[INFO] [stderr]   Downloaded thiserror-impl v2.0.11
[INFO] [stderr]   Downloaded generator v0.7.5
[INFO] [stderr]   Downloaded semver v1.0.25
[INFO] [stderr]   Downloaded quinn-udp v0.5.10
[INFO] [stderr]   Downloaded futures-buffered v0.2.10
[INFO] [stderr]   Downloaded rustls-pki-types v1.11.0
[INFO] [stderr]   Downloaded getrandom v0.3.1
[INFO] [stderr]   Downloaded httparse v1.10.0
[INFO] [stderr]   Downloaded simple-dns v0.9.3
[INFO] [stderr]   Downloaded hyper-util v0.1.10
[INFO] [stderr]   Downloaded quinn v0.11.6
[INFO] [stderr]   Downloaded mainline v5.3.1
[INFO] [stderr]   Downloaded cordyceps v0.3.2
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] [stderr]   Downloaded http v1.2.0
[INFO] [stderr]   Downloaded cc v1.2.15
[INFO] [stderr]   Downloaded wasi v0.13.3+wasi-0.2.2
[INFO] [stderr]   Downloaded reqwest v0.12.12
[INFO] [stderr]   Downloaded quinn-proto v0.11.9
[INFO] [stderr]   Downloaded rustls v0.23.23
[INFO] [stderr]   Downloaded tokio v1.43.0
[INFO] [stderr]   Downloaded ring v0.17.11
[INFO] [stderr]   Downloaded pkarr v3.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 059354aae0b095ace439885da9366ff914c5db121ca6db04229824844eb4df2c
[INFO] running `Command { std: "docker" "start" "059354aae0b095ace439885da9366ff914c5db121ca6db04229824844eb4df2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "059354aae0b095ace439885da9366ff914c5db121ca6db04229824844eb4df2c", 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" "059354aae0b095ace439885da9366ff914c5db121ca6db04229824844eb4df2c" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "059354aae0b095ace439885da9366ff914c5db121ca6db04229824844eb4df2c", 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" "059354aae0b095ace439885da9366ff914c5db121ca6db04229824844eb4df2c" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking litemap v0.7.4
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]    Compiling rustls v0.23.23
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking webpki-roots v0.26.8
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling pkarr v3.5.1
[INFO] [stderr]     Checking cordyceps v0.3.2
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking dyn-clone v1.0.18
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking lru v0.13.0
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking base32 v0.5.1
[INFO] [stderr]     Checking diatomic-waker v0.2.3
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
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[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking futures-buffered v0.2.10
[INFO] [stderr]     Checking self_cell v1.1.0
[INFO] [stderr]     Checking simple-dns v0.9.3
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]    Compiling ring v0.17.11
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking clap v4.5.31
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking serde v1.0.218
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ntimestamp v1.0.0
[INFO] [stderr]     Checking serde_bencode v0.2.4
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking mainline v5.3.1
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking tokio-rustls v0.26.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking async-compat v0.2.4
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking hyper-rustls v0.27.5
[INFO] [stderr]     Checking reqwest v0.12.12
[INFO] [stderr]     Checking pkarr_churn_experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused dependency `getrandom`
[INFO] [stderr]   --> Cargo.toml:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | getrandom = "0.3.1"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `getrandom`
[INFO] [stderr] warning: unused dependency `tracing-subscriber`
[INFO] [stderr]   --> Cargo.toml:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | tracing-subscriber = "0.3.19"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `tracing-subscriber`
[INFO] [stderr] warning: `pkarr_churn_experiment` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.85s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pkarr v3.5.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "059354aae0b095ace439885da9366ff914c5db121ca6db04229824844eb4df2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059354aae0b095ace439885da9366ff914c5db121ca6db04229824844eb4df2c", kill_on_drop: false }`
[INFO] [stdout] 059354aae0b095ace439885da9366ff914c5db121ca6db04229824844eb4df2c
