[INFO] crate dx_core 0.3.0 is already in cache
[INFO] extracting crate dx_core 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/dx_core/0.3.0
[INFO] extracting crate dx_core 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dx_core/0.3.0
[INFO] validating manifest of dx_core-0.3.0 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 dx_core-0.3.0 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 dx_core-0.3.0
[INFO] finished frobbing dx_core-0.3.0
[INFO] frobbed toml for dx_core-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/dx_core/0.3.0/Cargo.toml
[INFO] started frobbing dx_core-0.3.0
[INFO] finished frobbing dx_core-0.3.0
[INFO] frobbed toml for dx_core-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dx_core/0.3.0/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 dx_core-0.3.0 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-3/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/dx_core/0.3.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8fe6c0d6584e8f503f791de4e7dd6a7c9a320f119e4c63c2542039ba9b54c7fc
[INFO] running `"docker" "start" "-a" "8fe6c0d6584e8f503f791de4e7dd6a7c9a320f119e4c63c2542039ba9b54c7fc"`
[INFO] [stderr]    Compiling dx_core v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "8fe6c0d6584e8f503f791de4e7dd6a7c9a320f119e4c63c2542039ba9b54c7fc"`
[INFO] running `"docker" "rm" "-f" "8fe6c0d6584e8f503f791de4e7dd6a7c9a320f119e4c63c2542039ba9b54c7fc"`
[INFO] [stdout] 8fe6c0d6584e8f503f791de4e7dd6a7c9a320f119e4c63c2542039ba9b54c7fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/dx_core/0.3.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 63ef9a0a560bbdc54d2c4f557d7659e6fe301ccd946486ff8451f7468c47a799
[INFO] running `"docker" "start" "-a" "63ef9a0a560bbdc54d2c4f557d7659e6fe301ccd946486ff8451f7468c47a799"`
[INFO] [stderr]    Compiling dx_core v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "63ef9a0a560bbdc54d2c4f557d7659e6fe301ccd946486ff8451f7468c47a799"`
[INFO] running `"docker" "rm" "-f" "63ef9a0a560bbdc54d2c4f557d7659e6fe301ccd946486ff8451f7468c47a799"`
[INFO] [stdout] 63ef9a0a560bbdc54d2c4f557d7659e6fe301ccd946486ff8451f7468c47a799
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/dx_core/0.3.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4015a332f82146fa44239a9ab71cd646898226889b975c2a3a0f0543ddffdf1e
[INFO] running `"docker" "start" "-a" "4015a332f82146fa44239a9ab71cd646898226889b975c2a3a0f0543ddffdf1e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dx_core-c450ab40d86c7abe
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/com_tests-46fdd45e9e07d6d9
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test add_ref_returns_the_expected_number_of_references ... ok
[INFO] [stdout] test comref_can_be_borrowed ... ok
[INFO] [stdout] test query_interface_should_return_ok_for_unknown_iid ... ok
[INFO] [stdout] test release_returns_the_expected_number_of_references ... ok
[INFO] [stdout] test comref_can_be_sent_over_channels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/enum_flags_test-9f5d4dc4a1644d66
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test enum_flags_should_have_and_operator ... ok
[INFO] [stdout] test enum_flags_should_have_eq_operator ... ok
[INFO] [stdout] test enum_flags_should_have_or_operator ... ok
[INFO] [stdout] test enum_flags_should_have_xor_operator ... ok
[INFO] [stdout] test enum_flags_should_have_ne_operator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dx_core
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4015a332f82146fa44239a9ab71cd646898226889b975c2a3a0f0543ddffdf1e"`
[INFO] running `"docker" "rm" "-f" "4015a332f82146fa44239a9ab71cd646898226889b975c2a3a0f0543ddffdf1e"`
[INFO] [stdout] 4015a332f82146fa44239a9ab71cd646898226889b975c2a3a0f0543ddffdf1e