[INFO] fetching crate prometheus_push 0.4.5...
[INFO] testing prometheus_push-0.4.5 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate prometheus_push 0.4.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate prometheus_push 0.4.5
[INFO] finished tweaking crates.io crate prometheus_push 0.4.5
[INFO] tweaked toml for crates.io crate prometheus_push 0.4.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus_push 0.4.5 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 150 packages to latest compatible versions
[INFO] [stderr]       Adding prometheus v0.13.4 (available: v0.14.0)
[INFO] [stderr]       Adding prometheus-client v0.22.3 (available: v0.24.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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 form_urlencoded v1.2.2
[INFO] [stderr]   Downloaded serde_core v1.0.228
[INFO] [stderr]   Downloaded potential_utf v0.1.3
[INFO] [stderr]   Downloaded percent-encoding v2.3.2
[INFO] [stderr]   Downloaded futures-io v0.3.31
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.54
[INFO] [stderr]   Downloaded serde_derive v1.0.228
[INFO] [stderr]   Downloaded wasip2 v1.0.1+wasi-0.2.4
[INFO] [stderr]   Downloaded colored v3.0.0
[INFO] [stderr]   Downloaded assert-json-diff v2.0.2
[INFO] [stderr]   Downloaded mockito v1.7.0
[INFO] [stderr]   Downloaded socket2 v0.6.0
[INFO] [stderr]   Downloaded h2 v0.4.12
[INFO] [stderr]   Downloaded hashbrown v0.16.0
[INFO] [stderr]   Downloaded protobuf v2.28.0
[INFO] [stderr]   Downloaded prometheus v0.13.4
[INFO] [stderr]   Downloaded tokio-util v0.7.16
[INFO] [stderr]   Downloaded tower-http v0.6.6
[INFO] [stderr]   Downloaded zerocopy v0.8.27
[INFO] [stderr]   Downloaded iri-string v0.7.8
[INFO] [stderr]   Downloaded reqwest v0.12.23
[INFO] [stderr]   Downloaded serde_json v1.0.145
[INFO] [stderr]   Downloaded gimli v0.32.3
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.27
[INFO] [stderr]   Downloaded rand v0.9.2
[INFO] [stderr]   Downloaded bitflags v2.9.4
[INFO] [stderr]   Downloaded hyper-util v0.1.17
[INFO] [stderr]   Downloaded web-sys v0.3.81
[INFO] [stderr]   Downloaded addr2line v0.25.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.26
[INFO] [stderr]   Downloaded wit-bindgen v0.46.0
[INFO] [stderr]   Downloaded wasi v0.14.7+wasi-0.2.4
[INFO] [stderr]   Downloaded object v0.37.3
[INFO] [stderr]   Downloaded backtrace v0.3.76
[INFO] [stderr]   Downloaded tokio v1.47.1
[INFO] [stderr]   Downloaded serde_urlencoded v0.7.1
[INFO] [stderr]   Downloaded io-uring v0.7.10
[INFO] [stderr]   Downloaded idna v1.1.0
[INFO] [stderr]   Downloaded rand_chacha v0.9.0
[INFO] [stderr]   Downloaded rand_core v0.9.3
[INFO] [stderr]   Downloaded dtoa v1.0.10
[INFO] [stderr]   Downloaded hyper v1.7.0
[INFO] [stderr]   Downloaded ipnet v2.11.0
[INFO] [stderr]   Downloaded zerovec v0.11.4
[INFO] [stderr]   Downloaded serde v1.0.228
[INFO] [stderr]   Downloaded url v2.5.7
[INFO] [stderr]   Downloaded prometheus-client-derive-encode v0.4.2
[INFO] [stderr]   Downloaded prometheus-client v0.22.3
[INFO] [stderr]   Downloaded indexmap v2.11.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae825fc618cb09f0fd6cf2ffc9f43cb4ac1089c3442ab4abb71205303c548579
[INFO] running `Command { std: "docker" "start" "-a" "ae825fc618cb09f0fd6cf2ffc9f43cb4ac1089c3442ab4abb71205303c548579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae825fc618cb09f0fd6cf2ffc9f43cb4ac1089c3442ab4abb71205303c548579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae825fc618cb09f0fd6cf2ffc9f43cb4ac1089c3442ab4abb71205303c548579", kill_on_drop: false }`
[INFO] [stdout] ae825fc618cb09f0fd6cf2ffc9f43cb4ac1089c3442ab4abb71205303c548579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14cfeece3f1727fbeb7d9de4bd8e9e31f109d7faa83dc57193ed9f10d49259b8
[INFO] running `Command { std: "docker" "start" "-a" "14cfeece3f1727fbeb7d9de4bd8e9e31f109d7faa83dc57193ed9f10d49259b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[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_push v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.08s
[INFO] running `Command { std: "docker" "inspect" "14cfeece3f1727fbeb7d9de4bd8e9e31f109d7faa83dc57193ed9f10d49259b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cfeece3f1727fbeb7d9de4bd8e9e31f109d7faa83dc57193ed9f10d49259b8", kill_on_drop: false }`
[INFO] [stdout] 14cfeece3f1727fbeb7d9de4bd8e9e31f109d7faa83dc57193ed9f10d49259b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 352926a3ba057a6e8f51d33fc36778a89e825bf7f0b5f4a5ae1c6801c907b704
[INFO] running `Command { std: "docker" "start" "-a" "352926a3ba057a6e8f51d33fc36778a89e825bf7f0b5f4a5ae1c6801c907b704", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[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 tokio-util v0.7.16
[INFO] [stderr]    Compiling prometheus_push v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling mockito v1.7.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 41.62s
[INFO] running `Command { std: "docker" "inspect" "352926a3ba057a6e8f51d33fc36778a89e825bf7f0b5f4a5ae1c6801c907b704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352926a3ba057a6e8f51d33fc36778a89e825bf7f0b5f4a5ae1c6801c907b704", kill_on_drop: false }`
[INFO] [stdout] 352926a3ba057a6e8f51d33fc36778a89e825bf7f0b5f4a5ae1c6801c907b704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce8f021f8aeca7564934ba00cf8329fe127468973f3a49580498a3d5da943fc7
[INFO] running `Command { std: "docker" "start" "-a" "ce8f021f8aeca7564934ba00cf8329fe127468973f3a49580498a3d5da943fc7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prometheus_push-a29ca79b8008b69d)
[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] [stderr]    Doc-tests prometheus_push
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 131) ... ignored
[INFO] [stdout] test src/lib.rs - (line 166) ... ignored
[INFO] [stdout] test src/lib.rs - (line 187) ... ignored
[INFO] [stdout] test src/lib.rs - (line 35) ... ignored
[INFO] [stdout] test src/lib.rs - (line 66) ... ignored
[INFO] [stdout] test src/lib.rs - (line 95) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 6 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce8f021f8aeca7564934ba00cf8329fe127468973f3a49580498a3d5da943fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8f021f8aeca7564934ba00cf8329fe127468973f3a49580498a3d5da943fc7", kill_on_drop: false }`
[INFO] [stdout] ce8f021f8aeca7564934ba00cf8329fe127468973f3a49580498a3d5da943fc7