[INFO] fetching crate metrics_cloudwatch 4.0.0...
[INFO] testing metrics_cloudwatch-4.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate metrics_cloudwatch 4.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate metrics_cloudwatch 4.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate metrics_cloudwatch 4.0.0
[INFO] tweaked toml for crates.io crate metrics_cloudwatch 4.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics_cloudwatch 4.0.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate metrics_cloudwatch 4.0.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37720dbeb57ae1299b941fa4ee99da7515d6f37d54e80e891adb558a7e30c89c
[INFO] running `Command { std: "docker" "start" "-a" "37720dbeb57ae1299b941fa4ee99da7515d6f37d54e80e891adb558a7e30c89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37720dbeb57ae1299b941fa4ee99da7515d6f37d54e80e891adb558a7e30c89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37720dbeb57ae1299b941fa4ee99da7515d6f37d54e80e891adb558a7e30c89c", kill_on_drop: false }`
[INFO] [stdout] 37720dbeb57ae1299b941fa4ee99da7515d6f37d54e80e891adb558a7e30c89c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f40d8477c7ba704677d638c4a4412e7f8be24e907965c8db4f0fe3ca1d36a331
[INFO] running `Command { std: "docker" "start" "-a" "f40d8477c7ba704677d638c4a4412e7f8be24e907965c8db4f0fe3ca1d36a331", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
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[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling cc v1.2.9
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[INFO] [stderr]    Compiling quote v1.0.38
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[INFO] [stderr]    Compiling aws-types v1.3.4
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[INFO] [stderr]    Compiling uuid v1.12.0
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[INFO] [stderr]    Compiling radix_trie v0.2.1
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[INFO] [stderr]    Compiling aws-smithy-xml v0.60.9
[INFO] [stderr]    Compiling ordered-float v4.6.0
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[INFO] [stderr]    Compiling sketches-ddsketch v0.3.0
[INFO] [stderr]    Compiling quanta v0.12.5
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling metrics v0.24.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling metrics-util v0.19.0
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling aws-smithy-async v1.2.4
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling aws-smithy-types v1.2.12
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling aws-smithy-runtime-api v1.7.3
[INFO] [stderr]    Compiling aws-smithy-query v0.60.7
[INFO] [stderr]    Compiling aws-smithy-json v0.61.2
[INFO] [stderr]    Compiling aws-smithy-types-convert v0.60.8
[INFO] [stderr]    Compiling aws-smithy-http v0.60.12
[INFO] [stderr]    Compiling aws-credential-types v1.2.1
[INFO] [stderr]    Compiling aws-smithy-compression v0.0.2
[INFO] [stderr]    Compiling aws-sigv4 v1.2.7
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling aws-smithy-runtime v1.7.7
[INFO] [stderr]    Compiling aws-runtime v1.5.4
[INFO] [stderr]    Compiling aws-sdk-cloudwatch v1.60.0
[INFO] [stderr]    Compiling metrics_cloudwatch v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "f40d8477c7ba704677d638c4a4412e7f8be24e907965c8db4f0fe3ca1d36a331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40d8477c7ba704677d638c4a4412e7f8be24e907965c8db4f0fe3ca1d36a331", kill_on_drop: false }`
[INFO] [stdout] f40d8477c7ba704677d638c4a4412e7f8be24e907965c8db4f0fe3ca1d36a331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cac2719aaf1966dcd6b9a79470981f8c06347670a8dab2a7461606e7f237b344
[INFO] running `Command { std: "docker" "start" "-a" "cac2719aaf1966dcd6b9a79470981f8c06347670a8dab2a7461606e7f237b344", kill_on_drop: false }`
[INFO] [stderr]    Compiling synstructure v0.13.1
[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 serde_derive v1.0.217
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling clap_builder v4.5.26
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling aws-sdk-sts v1.55.0
[INFO] [stderr]    Compiling aws-sdk-ssooidc v1.55.0
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling clap v4.5.26
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tempfile v3.15.0
[INFO] [stderr]    Compiling aws-sdk-sso v1.54.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling proptest v1.6.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[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 aws-config v1.5.14
[INFO] [stderr]    Compiling metrics_cloudwatch v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "cac2719aaf1966dcd6b9a79470981f8c06347670a8dab2a7461606e7f237b344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac2719aaf1966dcd6b9a79470981f8c06347670a8dab2a7461606e7f237b344", kill_on_drop: false }`
[INFO] [stdout] cac2719aaf1966dcd6b9a79470981f8c06347670a8dab2a7461606e7f237b344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa8dfc3e1cd8a799bb6674fea03e34901996b3b9d20a6f2b7c05c06e06aa69aa
[INFO] running `Command { std: "docker" "start" "-a" "fa8dfc3e1cd8a799bb6674fea03e34901996b3b9d20a6f2b7c05c06e06aa69aa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrics_cloudwatch-c476e736cf408dfd)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test collector::tests::time_key_should_truncate ... ok
[INFO] [stdout] test collector::tests::should_override_default_dimensions ... ok
[INFO] [stdout] test collector::tests::should_handle_nan_in_record_histogram ... ok
[INFO] [stdout] test collector::tests::jitter_interval_test ... ok
[INFO] [stdout] test collector::tests::chunks_fit_in_cloudwatch_constraints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.76s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-94e92dc9c29d3a1a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_flush_on_shutdown ... ok
[INFO] [stderr]    Doc-tests metrics_cloudwatch
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - ReadmeDoctests (line 57) ... ok
[INFO] [stdout] test src/lib.rs - ReadmeDoctests (line 63) ... ok
[INFO] [stdout] test src/lib.rs - ReadmeDoctests (line 69) ... ok
[INFO] [stdout] test src/lib.rs - ReadmeDoctests (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa8dfc3e1cd8a799bb6674fea03e34901996b3b9d20a6f2b7c05c06e06aa69aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8dfc3e1cd8a799bb6674fea03e34901996b3b9d20a6f2b7c05c06e06aa69aa", kill_on_drop: false }`
[INFO] [stdout] fa8dfc3e1cd8a799bb6674fea03e34901996b3b9d20a6f2b7c05c06e06aa69aa