[INFO] fetching crate opentelemetry-prometheus 0.9.0...
[INFO] testing opentelemetry-prometheus-0.9.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate opentelemetry-prometheus 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate opentelemetry-prometheus 0.9.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentelemetry-prometheus 0.9.0
[INFO] finished tweaking crates.io crate opentelemetry-prometheus 0.9.0
[INFO] tweaked toml for crates.io crate opentelemetry-prometheus 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49f43692591442a1c04bd37bdae014b3e9c2df12b8e970c4b7e015301cecbb16
[INFO] running `Command { std: "docker" "start" "-a" "49f43692591442a1c04bd37bdae014b3e9c2df12b8e970c4b7e015301cecbb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f43692591442a1c04bd37bdae014b3e9c2df12b8e970c4b7e015301cecbb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f43692591442a1c04bd37bdae014b3e9c2df12b8e970c4b7e015301cecbb16", kill_on_drop: false }`
[INFO] [stdout] 49f43692591442a1c04bd37bdae014b3e9c2df12b8e970c4b7e015301cecbb16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63e90995595f181d945647d055281aa4b3c68c87e05f3ddf18dca769a3e37390
[INFO] running `Command { std: "docker" "start" "-a" "63e90995595f181d945647d055281aa4b3c68c87e05f3ddf18dca769a3e37390", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling opentelemetry v0.16.0
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.88s
[INFO] running `Command { std: "docker" "inspect" "63e90995595f181d945647d055281aa4b3c68c87e05f3ddf18dca769a3e37390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e90995595f181d945647d055281aa4b3c68c87e05f3ddf18dca769a3e37390", kill_on_drop: false }`
[INFO] [stdout] 63e90995595f181d945647d055281aa4b3c68c87e05f3ddf18dca769a3e37390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e043eab43fe6e69c64e808f523efcecd4ae8af4cc09341bbc3673dbf39905e
[INFO] running `Command { std: "docker" "start" "-a" "93e043eab43fe6e69c64e808f523efcecd4ae8af4cc09341bbc3673dbf39905e", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.48s
[INFO] running `Command { std: "docker" "inspect" "93e043eab43fe6e69c64e808f523efcecd4ae8af4cc09341bbc3673dbf39905e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e043eab43fe6e69c64e808f523efcecd4ae8af4cc09341bbc3673dbf39905e", kill_on_drop: false }`
[INFO] [stdout] 93e043eab43fe6e69c64e808f523efcecd4ae8af4cc09341bbc3673dbf39905e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c77d83b0598fb15464a534ae1186cafc10c3732d74e142ecbcc05959ad2539c0
[INFO] running `Command { std: "docker" "start" "-a" "c77d83b0598fb15464a534ae1186cafc10c3732d74e142ecbcc05959ad2539c0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opentelemetry_prometheus-288e1f926cd8b39f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-b46c1ead5d76698b)
[INFO] [stdout] test sanitize::tests::sanitize_key_names ... ok
[INFO] [stdout] test tests::test_exporter_builder_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests opentelemetry-prometheus
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_sanitization ... ok
[INFO] [stdout] test batch ... ok
[INFO] [stdout] test free_unused_instruments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c77d83b0598fb15464a534ae1186cafc10c3732d74e142ecbcc05959ad2539c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77d83b0598fb15464a534ae1186cafc10c3732d74e142ecbcc05959ad2539c0", kill_on_drop: false }`
[INFO] [stdout] c77d83b0598fb15464a534ae1186cafc10c3732d74e142ecbcc05959ad2539c0