[INFO] fetching crate afterburn 4.1.2...
[INFO] extracting crate afterburn 4.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/afterburn/4.1.2
[INFO] extracting crate afterburn 4.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/afterburn/4.1.2
[INFO] validating manifest of afterburn-4.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of afterburn-4.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing afterburn-4.1.2
[INFO] finished frobbing afterburn-4.1.2
[INFO] frobbed toml for afterburn-4.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/afterburn/4.1.2/Cargo.toml
[INFO] started frobbing afterburn-4.1.2
[INFO] finished frobbing afterburn-4.1.2
[INFO] frobbed toml for afterburn-4.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/afterburn/4.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing afterburn-4.1.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/afterburn/4.1.2:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8a98a83e9024128460c1eef39d6af58a32ec930053f2553a4a175fdc94164657
[INFO] running `"docker" "start" "-a" "8a98a83e9024128460c1eef39d6af58a32ec930053f2553a4a175fdc94164657"`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling pnet_base v0.22.0
[INFO] [stderr]    Compiling pnet_sys v0.22.0
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling ipnetwork v0.14.0
[INFO] [stderr]    Compiling serde-xml-rs v0.3.1
[INFO] [stderr]    Compiling openssh-keys v0.4.1
[INFO] [stderr]    Compiling pnet_datalink v0.22.0
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-scope v4.1.2
[INFO] [stderr]    Compiling slog-term v2.4.1
[INFO] [stderr]    Compiling afterburn v4.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/metadata.rs:36:61
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn fetch_metadata(provider: &str) -> errors::Result<Box<providers::MetadataProvider>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn providers::MetadataProvider`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.26s
[INFO] running `"docker" "inspect" "8a98a83e9024128460c1eef39d6af58a32ec930053f2553a4a175fdc94164657"`
[INFO] running `"docker" "rm" "-f" "8a98a83e9024128460c1eef39d6af58a32ec930053f2553a4a175fdc94164657"`
[INFO] [stdout] 8a98a83e9024128460c1eef39d6af58a32ec930053f2553a4a175fdc94164657
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/afterburn/4.1.2:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f1dd1c231ab5faf2b02833a199f253ecb61078613cadea58343d2c4600e0bfa7
[INFO] running `"docker" "start" "-a" "f1dd1c231ab5faf2b02833a199f253ecb61078613cadea58343d2c4600e0bfa7"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling mockito v0.17.1
[INFO] [stderr]    Compiling afterburn v4.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/metadata.rs:36:61
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn fetch_metadata(provider: &str) -> errors::Result<Box<providers::MetadataProvider>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn providers::MetadataProvider`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.18s
[INFO] running `"docker" "inspect" "f1dd1c231ab5faf2b02833a199f253ecb61078613cadea58343d2c4600e0bfa7"`
[INFO] running `"docker" "rm" "-f" "f1dd1c231ab5faf2b02833a199f253ecb61078613cadea58343d2c4600e0bfa7"`
[INFO] [stdout] f1dd1c231ab5faf2b02833a199f253ecb61078613cadea58343d2c4600e0bfa7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/afterburn/4.1.2:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1831aaf03b6608b272e86fc5541ac454de11759cbef2239cf4586cce6049f054
[INFO] running `"docker" "start" "-a" "1831aaf03b6608b272e86fc5541ac454de11759cbef2239cf4586cce6049f054"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/afterburn-40d53858bd63d0c2
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test network::tests::mac_addr_display ... ok
[INFO] [stdout] test network::tests::interface_unit_name ... ok
[INFO] [stdout] test network::tests::device_unit_name ... ok
[INFO] [stdout] test network::tests::interface_config ... ok
[INFO] [stdout] test network::tests::device_config ... ok
[INFO] [stdout] test util::cmdline::tests::test_find_flag ... ok
[INFO] [stdout] test util::tests::key_lookup_test ... ok
[INFO] [stdout] test providers::packet::mock_tests::test_boot_checkin ... ok
[INFO] [stdout] test providers::azure::mock_tests::test_hostname ... ok
[INFO] [stdout] test network::tests::interface_unit_name_no_name_no_mac ... ok
[INFO] [stdout] test providers::azure::mock_tests::test_boot_checkin ... ok
[INFO] [stdout] test providers::aws::mock_tests::test_aws_basic ... ok
[INFO] [stdout] test providers::gcp::mock_tests::basic_hostname ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1831aaf03b6608b272e86fc5541ac454de11759cbef2239cf4586cce6049f054"`
[INFO] running `"docker" "rm" "-f" "1831aaf03b6608b272e86fc5541ac454de11759cbef2239cf4586cce6049f054"`
[INFO] [stdout] 1831aaf03b6608b272e86fc5541ac454de11759cbef2239cf4586cce6049f054