[INFO] crate prometheus_wireguard_exporter 3.0.0 is already in cache
[INFO] extracting crate prometheus_wireguard_exporter 3.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/prometheus_wireguard_exporter/3.0.0
[INFO] extracting crate prometheus_wireguard_exporter 3.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prometheus_wireguard_exporter/3.0.0
[INFO] validating manifest of prometheus_wireguard_exporter-3.0.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of prometheus_wireguard_exporter-3.0.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing prometheus_wireguard_exporter-3.0.0
[INFO] finished frobbing prometheus_wireguard_exporter-3.0.0
[INFO] frobbed toml for prometheus_wireguard_exporter-3.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/prometheus_wireguard_exporter/3.0.0/Cargo.toml
[INFO] started frobbing prometheus_wireguard_exporter-3.0.0
[INFO] finished frobbing prometheus_wireguard_exporter-3.0.0
[INFO] frobbed toml for prometheus_wireguard_exporter-3.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prometheus_wireguard_exporter/3.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing prometheus_wireguard_exporter-3.0.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/prometheus_wireguard_exporter/3.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3f53700157e1732ffe51af0e409dd81868c0c6870de4c18ab9c3856347102fe1
[INFO] running `"docker" "start" "-a" "3f53700157e1732ffe51af0e409dd81868c0c6870de4c18ab9c3856347102fe1"`
[INFO] [stderr]    Compiling rustls v0.15.2
[INFO] [stderr]    Compiling tokio-rustls v0.9.3
[INFO] [stderr]    Compiling hyper-rustls v0.16.1
[INFO] [stderr]    Compiling prometheus_exporter_base v0.2.2
[INFO] [stderr]    Compiling prometheus_wireguard_exporter v3.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.43s
[INFO] running `"docker" "inspect" "3f53700157e1732ffe51af0e409dd81868c0c6870de4c18ab9c3856347102fe1"`
[INFO] running `"docker" "rm" "-f" "3f53700157e1732ffe51af0e409dd81868c0c6870de4c18ab9c3856347102fe1"`
[INFO] [stdout] 3f53700157e1732ffe51af0e409dd81868c0c6870de4c18ab9c3856347102fe1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/prometheus_wireguard_exporter/3.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 34827a930ab697d6193c26be7d23e9072ee69ac1064945bf41f4619f64308372
[INFO] running `"docker" "start" "-a" "34827a930ab697d6193c26be7d23e9072ee69ac1064945bf41f4619f64308372"`
[INFO] [stderr]    Compiling prometheus_wireguard_exporter v3.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `"docker" "inspect" "34827a930ab697d6193c26be7d23e9072ee69ac1064945bf41f4619f64308372"`
[INFO] running `"docker" "rm" "-f" "34827a930ab697d6193c26be7d23e9072ee69ac1064945bf41f4619f64308372"`
[INFO] [stdout] 34827a930ab697d6193c26be7d23e9072ee69ac1064945bf41f4619f64308372
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/prometheus_wireguard_exporter/3.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 219a87868a1eea1c9ae264c8808b95ae721ff9371b401750331cf87b2658580d
[INFO] running `"docker" "start" "-a" "219a87868a1eea1c9ae264c8808b95ae721ff9371b401750331cf87b2658580d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prometheus_wireguard_exporter-52be9f47e3858dd4
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test wireguard::tests::test_parse ... ok
[INFO] [stdout] test wireguard::tests::test_render_to_prometheus_simple ... ok
[INFO] [stdout] test wireguard::tests::test_render_to_prometheus_complex ... ok
[INFO] [stdout] test wireguard_config::tests::test_parse_ok ... ok
[INFO] [stdout] test wireguard::tests::test_parse_and_serialize ... ok
[INFO] [stdout] test wireguard_config::tests::test_parse_no_allowed_ips ... ok
[INFO] [stdout] test wireguard_config::tests::test_parse_no_public_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "219a87868a1eea1c9ae264c8808b95ae721ff9371b401750331cf87b2658580d"`
[INFO] running `"docker" "rm" "-f" "219a87868a1eea1c9ae264c8808b95ae721ff9371b401750331cf87b2658580d"`
[INFO] [stdout] 219a87868a1eea1c9ae264c8808b95ae721ff9371b401750331cf87b2658580d