[INFO] fetching crate prometheus_remote_write 0.2.1...
[INFO] testing prometheus_remote_write-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate prometheus_remote_write 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prometheus_remote_write 0.2.1
[INFO] finished tweaking crates.io crate prometheus_remote_write 0.2.1
[INFO] tweaked toml for crates.io crate prometheus_remote_write 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus_remote_write 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 101 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding prost v0.12.6 (available: v0.14.1)
[INFO] [stderr]       Adding ureq v2.8.0 (available: v2.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c47cd3a523b77025e16a52ebdfa949e3c0ed385bfdac836bb725a08915c7342
[INFO] running `Command { std: "docker" "start" "-a" "6c47cd3a523b77025e16a52ebdfa949e3c0ed385bfdac836bb725a08915c7342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c47cd3a523b77025e16a52ebdfa949e3c0ed385bfdac836bb725a08915c7342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c47cd3a523b77025e16a52ebdfa949e3c0ed385bfdac836bb725a08915c7342", kill_on_drop: false }`
[INFO] [stdout] 6c47cd3a523b77025e16a52ebdfa949e3c0ed385bfdac836bb725a08915c7342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b31d15fb2c138431657265c3c494eabe89d0590de952ac107a9883cb99ba949
[INFO] running `Command { std: "docker" "start" "-a" "3b31d15fb2c138431657265c3c494eabe89d0590de952ac107a9883cb99ba949", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling prometheus-parse v0.2.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling prometheus_remote_write v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.70s
[INFO] running `Command { std: "docker" "inspect" "3b31d15fb2c138431657265c3c494eabe89d0590de952ac107a9883cb99ba949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b31d15fb2c138431657265c3c494eabe89d0590de952ac107a9883cb99ba949", kill_on_drop: false }`
[INFO] [stdout] 3b31d15fb2c138431657265c3c494eabe89d0590de952ac107a9883cb99ba949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e900fc69adf408d1d41f2bb92fe68eec3d5529a87bc83cc237d8ba3148fc879
[INFO] running `Command { std: "docker" "start" "-a" "7e900fc69adf408d1d41f2bb92fe68eec3d5529a87bc83cc237d8ba3148fc879", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling prometheus_remote_write v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "7e900fc69adf408d1d41f2bb92fe68eec3d5529a87bc83cc237d8ba3148fc879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e900fc69adf408d1d41f2bb92fe68eec3d5529a87bc83cc237d8ba3148fc879", kill_on_drop: false }`
[INFO] [stdout] 7e900fc69adf408d1d41f2bb92fe68eec3d5529a87bc83cc237d8ba3148fc879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3902f71bfd57be107f827c31a58874b0b03ba9674191436a4188e9e14c2ff39
[INFO] running `Command { std: "docker" "start" "-a" "e3902f71bfd57be107f827c31a58874b0b03ba9674191436a4188e9e14c2ff39", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prometheus_remote_write-7c3f47c628375dc7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus_remote_write
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3902f71bfd57be107f827c31a58874b0b03ba9674191436a4188e9e14c2ff39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3902f71bfd57be107f827c31a58874b0b03ba9674191436a4188e9e14c2ff39", kill_on_drop: false }`
[INFO] [stdout] e3902f71bfd57be107f827c31a58874b0b03ba9674191436a4188e9e14c2ff39