[INFO] updating cached repository MindFlavor/prometheus_wireguard_exporter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MindFlavor/prometheus_wireguard_exporter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MindFlavor/prometheus_wireguard_exporter" "work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_wireguard_exporter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_wireguard_exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MindFlavor/prometheus_wireguard_exporter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_wireguard_exporter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_wireguard_exporter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56b8fac7f0d4b93c6889a062ce077cfdb9e71ed4
[INFO] sha for GitHub repo MindFlavor/prometheus_wireguard_exporter: 56b8fac7f0d4b93c6889a062ce077cfdb9e71ed4
[INFO] validating manifest of MindFlavor/prometheus_wireguard_exporter 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 MindFlavor/prometheus_wireguard_exporter 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 MindFlavor/prometheus_wireguard_exporter
[INFO] finished frobbing MindFlavor/prometheus_wireguard_exporter
[INFO] frobbed toml for MindFlavor/prometheus_wireguard_exporter written to work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_wireguard_exporter/Cargo.toml
[INFO] started frobbing MindFlavor/prometheus_wireguard_exporter
[INFO] finished frobbing MindFlavor/prometheus_wireguard_exporter
[INFO] frobbed toml for MindFlavor/prometheus_wireguard_exporter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_wireguard_exporter/Cargo.toml
[INFO] crate MindFlavor/prometheus_wireguard_exporter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing MindFlavor/prometheus_wireguard_exporter against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_wireguard_exporter:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5a93a259efc45353479803008521feca89a7da68c824d3dbc85aa7dae2fed8ee
[INFO] running `"docker" "start" "-a" "5a93a259efc45353479803008521feca89a7da68c824d3dbc85aa7dae2fed8ee"`
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling h2 v0.1.23
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling prometheus_exporter_base v0.2.0
[INFO] [stderr]    Compiling prometheus_wireguard_exporter v2.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.11s
[INFO] running `"docker" "inspect" "5a93a259efc45353479803008521feca89a7da68c824d3dbc85aa7dae2fed8ee"`
[INFO] running `"docker" "rm" "-f" "5a93a259efc45353479803008521feca89a7da68c824d3dbc85aa7dae2fed8ee"`
[INFO] [stdout] 5a93a259efc45353479803008521feca89a7da68c824d3dbc85aa7dae2fed8ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_wireguard_exporter:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] bd2434d5c26f1be2197209abf22f1cb860a106944ed9b7dcfe056916b87355d7
[INFO] running `"docker" "start" "-a" "bd2434d5c26f1be2197209abf22f1cb860a106944ed9b7dcfe056916b87355d7"`
[INFO] [stderr]    Compiling prometheus_wireguard_exporter v2.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         .author(crate_authors!("\n"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `"docker" "inspect" "bd2434d5c26f1be2197209abf22f1cb860a106944ed9b7dcfe056916b87355d7"`
[INFO] running `"docker" "rm" "-f" "bd2434d5c26f1be2197209abf22f1cb860a106944ed9b7dcfe056916b87355d7"`
[INFO] [stdout] bd2434d5c26f1be2197209abf22f1cb860a106944ed9b7dcfe056916b87355d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_wireguard_exporter:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e1f17a258946d999704a90a7f64199efc9da6f7332ecb6242bef7b20eeeaef0b
[INFO] running `"docker" "start" "-a" "e1f17a258946d999704a90a7f64199efc9da6f7332ecb6242bef7b20eeeaef0b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prometheus_wireguard_exporter-e3481076ca868139
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test wireguard::tests::test_parse ... ok
[INFO] [stdout] test wireguard::tests::test_render_to_prometheus_complex ... ok
[INFO] [stdout] test wireguard::tests::test_render_to_prometheus_simple ... ok
[INFO] [stdout] test wireguard::tests::test_parse_and_serialize ... ok
[INFO] [stdout] test wireguard_config::tests::test_parse_ok ... 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" "e1f17a258946d999704a90a7f64199efc9da6f7332ecb6242bef7b20eeeaef0b"`
[INFO] running `"docker" "rm" "-f" "e1f17a258946d999704a90a7f64199efc9da6f7332ecb6242bef7b20eeeaef0b"`
[INFO] [stdout] e1f17a258946d999704a90a7f64199efc9da6f7332ecb6242bef7b20eeeaef0b