[INFO] fetching crate eppo 5.1.0...
[INFO] testing eppo-5.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate eppo 5.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate eppo 5.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate eppo 5.1.0
[INFO] tweaked toml for crates.io crate eppo 5.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eppo 5.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate eppo 5.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded value-bag-sval2 v1.10.0
[INFO] [stderr]   Downloaded value-bag v1.10.0
[INFO] [stderr]   Downloaded sval_fmt v2.14.0
[INFO] [stderr]   Downloaded sval_json v2.14.0
[INFO] [stderr]   Downloaded sval_buffer v2.14.0
[INFO] [stderr]   Downloaded sval_ref v2.14.0
[INFO] [stderr]   Downloaded sval_nested v2.14.0
[INFO] [stderr]   Downloaded munge_macro v0.4.3
[INFO] [stderr]   Downloaded value-bag-serde1 v1.10.0
[INFO] [stderr]   Downloaded sval v2.14.0
[INFO] [stderr]   Downloaded munge v0.4.3
[INFO] [stderr]   Downloaded serde-bool v0.1.3
[INFO] [stderr]   Downloaded uuid v1.15.1
[INFO] [stderr]   Downloaded wasmtimer v0.4.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.22
[INFO] [stderr]   Downloaded eppo_core v9.0.0
[INFO] [stderr]   Downloaded serde_fmt v1.0.3
[INFO] [stderr]   Downloaded sval_dynamic v2.14.0
[INFO] [stderr]   Downloaded sval_serde v2.14.0
[INFO] [stderr]   Downloaded zerocopy v0.8.22
[INFO] [stderr]   Downloaded ring v0.17.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fce75d115734bd3c03352b122756acd5e106e0fe4347b23cf2a4f0ec02cb876
[INFO] running `Command { std: "docker" "start" "-a" "1fce75d115734bd3c03352b122756acd5e106e0fe4347b23cf2a4f0ec02cb876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fce75d115734bd3c03352b122756acd5e106e0fe4347b23cf2a4f0ec02cb876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fce75d115734bd3c03352b122756acd5e106e0fe4347b23cf2a4f0ec02cb876", kill_on_drop: false }`
[INFO] [stdout] 1fce75d115734bd3c03352b122756acd5e106e0fe4347b23cf2a4f0ec02cb876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31bb4d726779fbe1b36586c7e13b5730c36e1291920f872d6864366e8b5531cd
[INFO] running `Command { std: "docker" "start" "-a" "31bb4d726779fbe1b36586c7e13b5730c36e1291920f872d6864366e8b5531cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling ring v0.17.12
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling rustls v0.23.23
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling zerocopy v0.8.22
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[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 futures-macro v0.3.31
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v3.12.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling serde_fmt v1.0.3
[INFO] [stderr]    Compiling erased-serde v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling faststr v0.2.31
[INFO] [stderr]    Compiling serde_with v3.12.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling value-bag-serde1 v1.10.0
[INFO] [stderr]    Compiling value-bag v1.10.0
[INFO] [stderr]    Compiling serde-bool v0.1.3
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling hyper-rustls v0.27.5
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling reqwest v0.12.12
[INFO] [stderr]    Compiling eppo_core v9.0.0
[INFO] [stderr]    Compiling eppo v5.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "31bb4d726779fbe1b36586c7e13b5730c36e1291920f872d6864366e8b5531cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31bb4d726779fbe1b36586c7e13b5730c36e1291920f872d6864366e8b5531cd", kill_on_drop: false }`
[INFO] [stdout] 31bb4d726779fbe1b36586c7e13b5730c36e1291920f872d6864366e8b5531cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e1e4da8b6bcaec23b16e1de2e1fb53646dfba4c8d1f6e3d4b276c455c1c7d83
[INFO] running `Command { std: "docker" "start" "-a" "7e1e4da8b6bcaec23b16e1de2e1fb53646dfba4c8d1f6e3d4b276c455c1c7d83", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling eppo v5.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `Command { std: "docker" "inspect" "7e1e4da8b6bcaec23b16e1de2e1fb53646dfba4c8d1f6e3d4b276c455c1c7d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1e4da8b6bcaec23b16e1de2e1fb53646dfba4c8d1f6e3d4b276c455c1c7d83", kill_on_drop: false }`
[INFO] [stdout] 7e1e4da8b6bcaec23b16e1de2e1fb53646dfba4c8d1f6e3d4b276c455c1c7d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddfdeebcaf4cefe4344104fc08609c18081e41a130db1e87c99cd4f7fabf1ea2
[INFO] running `Command { std: "docker" "start" "-a" "ddfdeebcaf4cefe4344104fc08609c18081e41a130db1e87c99cd4f7fabf1ea2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/eppo-521c8fc37623c2ed)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test client::tests::returns_none_while_no_configuration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests eppo
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/client.rs - client::Client<'a>::get_assignment (line 93) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<'a>::get_json_assignment (line 306) - compile ... ok
[INFO] [stdout] test src/assignment_logger.rs - assignment_logger::AssignmentLogger::log_assignment (line 14) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<'a>::get_boolean_assignment (line 263) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<'a>::get_numeric_assignment (line 220) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client (line 30) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<'a>::get_string_assignment (line 134) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<'a>::get_integer_assignment (line 177) - compile ... ok
[INFO] [stdout] test src/poller.rs - poller::PollerThread::shutdown (line 118) ... ok
[INFO] [stdout] test src/client.rs - client::Client<'a>::new (line 44) ... ok
[INFO] [stdout] test src/config.rs - config::ClientConfig<'a>::assignment_logger (line 37) ... ok
[INFO] [stdout] test src/config.rs - config::ClientConfig<'a>::to_client (line 62) ... ok
[INFO] [stdout] test src/config.rs - config::ClientConfig<'a>::from_api_key (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/poller.rs - poller::PollerThread::wait_for_configuration (line 83) ... ok
[INFO] [stdout] test src/config.rs - config::ClientConfig (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddfdeebcaf4cefe4344104fc08609c18081e41a130db1e87c99cd4f7fabf1ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfdeebcaf4cefe4344104fc08609c18081e41a130db1e87c99cd4f7fabf1ea2", kill_on_drop: false }`
[INFO] [stdout] ddfdeebcaf4cefe4344104fc08609c18081e41a130db1e87c99cd4f7fabf1ea2