[INFO] fetching crate prometheus-endpoint 2.1.2...
[INFO] testing prometheus-endpoint-2.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate prometheus-endpoint 2.1.2 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-endpoint 2.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 110 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: v1.7.0)
[INFO] [stderr]       Adding prometheus v0.10.0 (available: v0.14.0)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fafd2cd0c43a5b8b659922382ed5f125d1bd01960c4860791fbbd9bbfb2fe107
[INFO] running `Command { std: "docker" "start" "-a" "fafd2cd0c43a5b8b659922382ed5f125d1bd01960c4860791fbbd9bbfb2fe107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fafd2cd0c43a5b8b659922382ed5f125d1bd01960c4860791fbbd9bbfb2fe107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafd2cd0c43a5b8b659922382ed5f125d1bd01960c4860791fbbd9bbfb2fe107", kill_on_drop: false }`
[INFO] [stdout] fafd2cd0c43a5b8b659922382ed5f125d1bd01960c4860791fbbd9bbfb2fe107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 792f87167d889ca8173adcb01c36ab8f5f050f0d7ab5718e488decc56a9e6d95
[INFO] running `Command { std: "docker" "start" "-a" "792f87167d889ca8173adcb01c36ab8f5f050f0d7ab5718e488decc56a9e6d95", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling prometheus-endpoint v2.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.69s
[INFO] running `Command { std: "docker" "inspect" "792f87167d889ca8173adcb01c36ab8f5f050f0d7ab5718e488decc56a9e6d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792f87167d889ca8173adcb01c36ab8f5f050f0d7ab5718e488decc56a9e6d95", kill_on_drop: false }`
[INFO] [stdout] 792f87167d889ca8173adcb01c36ab8f5f050f0d7ab5718e488decc56a9e6d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c07734a9ad34115a86a917081f5f3710e30d1f8658d4610dd2a9b2afee220f
[INFO] running `Command { std: "docker" "start" "-a" "87c07734a9ad34115a86a917081f5f3710e30d1f8658d4610dd2a9b2afee220f", 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 0.85s
[INFO] running `Command { std: "docker" "inspect" "87c07734a9ad34115a86a917081f5f3710e30d1f8658d4610dd2a9b2afee220f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c07734a9ad34115a86a917081f5f3710e30d1f8658d4610dd2a9b2afee220f", kill_on_drop: false }`
[INFO] [stdout] 87c07734a9ad34115a86a917081f5f3710e30d1f8658d4610dd2a9b2afee220f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b070183a772609db60bd61ceaff48e01a9df4a41efcdb2f7eb4671baeea1d4ca
[INFO] running `Command { std: "docker" "start" "-a" "b070183a772609db60bd61ceaff48e01a9df4a41efcdb2f7eb4671baeea1d4ca", 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-ae548b65460f6071)
[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" "b070183a772609db60bd61ceaff48e01a9df4a41efcdb2f7eb4671baeea1d4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b070183a772609db60bd61ceaff48e01a9df4a41efcdb2f7eb4671baeea1d4ca", kill_on_drop: false }`
[INFO] [stdout] b070183a772609db60bd61ceaff48e01a9df4a41efcdb2f7eb4671baeea1d4ca