[INFO] fetching crate prometheus-endpoint 2.1.2...
[INFO] testing prometheus-endpoint-2.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate prometheus-endpoint 2.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate prometheus-endpoint 2.1.2
[INFO] finished tweaking crates.io crate prometheus-endpoint 2.1.2
[INFO] tweaked toml for crates.io crate prometheus-endpoint 2.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-endpoint 2.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 109 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding hyper v0.13.10 (available: v1.8.1)
[INFO] [stderr]       Adding prometheus v0.10.0 (available: v0.14.0)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.48.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.8.6
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded event-listener v5.4.1
[INFO] [stderr]   Downloaded slab v0.4.11
[INFO] [stderr]   Downloaded parking_lot v0.11.2
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded async-process v2.5.0
[INFO] [stderr]   Downloaded aho-corasick v1.1.4
[INFO] [stderr]   Downloaded async-channel v2.5.0
[INFO] [stderr]   Downloaded polling v3.11.0
[INFO] [stderr]   Downloaded event-listener v2.5.3
[INFO] [stderr]   Downloaded async-executor v1.13.3
[INFO] [stderr]   Downloaded async-signal v0.2.13
[INFO] [stderr]   Downloaded hermit-abi v0.5.2
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded http v0.2.12
[INFO] [stderr]   Downloaded async-std v1.13.2
[INFO] [stderr]   Downloaded async-io v2.6.0
[INFO] [stderr]   Downloaded futures-lite v2.6.1
[INFO] [stderr]   Downloaded h2 v0.2.7
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.105
[INFO] [stderr]   Downloaded tracing-futures v0.2.5
[INFO] [stderr]   Downloaded httpdate v0.3.2
[INFO] [stderr]   Downloaded http-body v0.3.1
[INFO] [stderr]   Downloaded async-global-executor v2.4.1
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded hyper v0.13.10
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.55
[INFO] [stderr]   Downloaded derive_more v0.99.20
[INFO] [stderr]   Downloaded async-channel v1.9.0
[INFO] [stderr]   Downloaded gloo-timers v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.105
[INFO] [stderr]   Downloaded tokio-util v0.3.1
[INFO] [stderr]   Downloaded async-lock v3.4.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.105
[INFO] [stderr]   Downloaded tracing-core v0.1.34
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded piper v0.2.4
[INFO] [stderr]   Downloaded blocking v1.6.2
[INFO] [stderr]   Downloaded prometheus v0.10.0
[INFO] [stderr]   Downloaded js-sys v0.3.82
[INFO] [stderr]   Downloaded value-bag v1.11.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded web-sys v0.3.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edfcb39d248f28532e329588c59e126f9ae448041cb81e15bb9f34d69cb03099
[INFO] running `Command { std: "docker" "start" "-a" "edfcb39d248f28532e329588c59e126f9ae448041cb81e15bb9f34d69cb03099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edfcb39d248f28532e329588c59e126f9ae448041cb81e15bb9f34d69cb03099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edfcb39d248f28532e329588c59e126f9ae448041cb81e15bb9f34d69cb03099", kill_on_drop: false }`
[INFO] [stdout] edfcb39d248f28532e329588c59e126f9ae448041cb81e15bb9f34d69cb03099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf6978032964b181c02b1e68e724a4034107438c9d3d499ce73305eeafe68f58
[INFO] running `Command { std: "docker" "start" "-a" "cf6978032964b181c02b1e68e724a4034107438c9d3d499ce73305eeafe68f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling prometheus-endpoint v2.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.97s
[INFO] running `Command { std: "docker" "inspect" "cf6978032964b181c02b1e68e724a4034107438c9d3d499ce73305eeafe68f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6978032964b181c02b1e68e724a4034107438c9d3d499ce73305eeafe68f58", kill_on_drop: false }`
[INFO] [stdout] cf6978032964b181c02b1e68e724a4034107438c9d3d499ce73305eeafe68f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43c913a773612f06b901e672008c6cec95f3a674725e66429b409caaa6f1738d
[INFO] running `Command { std: "docker" "start" "-a" "43c913a773612f06b901e672008c6cec95f3a674725e66429b409caaa6f1738d", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-endpoint v2.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "43c913a773612f06b901e672008c6cec95f3a674725e66429b409caaa6f1738d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c913a773612f06b901e672008c6cec95f3a674725e66429b409caaa6f1738d", kill_on_drop: false }`
[INFO] [stdout] 43c913a773612f06b901e672008c6cec95f3a674725e66429b409caaa6f1738d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb43f45196c18ab09aff866f9d879908f3f3a6ff01d114678a0b72c987244f12
[INFO] running `Command { std: "docker" "start" "-a" "eb43f45196c18ab09aff866f9d879908f3f3a6ff01d114678a0b72c987244f12", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prometheus_endpoint-fc0daf13c0c2f970)
[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] [stderr]    Doc-tests prometheus_endpoint
[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" "eb43f45196c18ab09aff866f9d879908f3f3a6ff01d114678a0b72c987244f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb43f45196c18ab09aff866f9d879908f3f3a6ff01d114678a0b72c987244f12", kill_on_drop: false }`
[INFO] [stdout] eb43f45196c18ab09aff866f9d879908f3f3a6ff01d114678a0b72c987244f12