[INFO] crate RustMqtt 0.1.1 is already in cache
[INFO] extracting crate RustMqtt 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/RustMqtt/0.1.1
[INFO] extracting crate RustMqtt 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/RustMqtt/0.1.1
[INFO] validating manifest of RustMqtt-0.1.1 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 RustMqtt-0.1.1 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 RustMqtt-0.1.1
[INFO] finished frobbing RustMqtt-0.1.1
[INFO] frobbed toml for RustMqtt-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/RustMqtt/0.1.1/Cargo.toml
[INFO] started frobbing RustMqtt-0.1.1
[INFO] finished frobbing RustMqtt-0.1.1
[INFO] frobbed toml for RustMqtt-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/RustMqtt/0.1.1/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 RustMqtt-0.1.1 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/RustMqtt/0.1.1:/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] 8e489c1792902a44e5ebb200c9a7a270d727d2beea83e64496e46ac977841a26
[INFO] running `"docker" "start" "-a" "8e489c1792902a44e5ebb200c9a7a270d727d2beea83e64496e46ac977841a26"`
[INFO] [stderr]    Compiling RustMqtt v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:76:32
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustMqtt` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_mqtt`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "8e489c1792902a44e5ebb200c9a7a270d727d2beea83e64496e46ac977841a26"`
[INFO] running `"docker" "rm" "-f" "8e489c1792902a44e5ebb200c9a7a270d727d2beea83e64496e46ac977841a26"`
[INFO] [stdout] 8e489c1792902a44e5ebb200c9a7a270d727d2beea83e64496e46ac977841a26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/RustMqtt/0.1.1:/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] 887c308093d5186e32c5eae7e2bf91071aa7649a32252c29a4348961343abd4f
[INFO] running `"docker" "start" "-a" "887c308093d5186e32c5eae7e2bf91071aa7649a32252c29a4348961343abd4f"`
[INFO] [stderr]    Compiling RustMqtt v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:76:32
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustMqtt` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_mqtt`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "887c308093d5186e32c5eae7e2bf91071aa7649a32252c29a4348961343abd4f"`
[INFO] running `"docker" "rm" "-f" "887c308093d5186e32c5eae7e2bf91071aa7649a32252c29a4348961343abd4f"`
[INFO] [stdout] 887c308093d5186e32c5eae7e2bf91071aa7649a32252c29a4348961343abd4f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/RustMqtt/0.1.1:/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] 11bf3335d674cddae4a91a8c157e527778efb5c06ee9d3cb36f0eee6fcadd6d7
[INFO] running `"docker" "start" "-a" "11bf3335d674cddae4a91a8c157e527778efb5c06ee9d3cb36f0eee6fcadd6d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RustMqtt-d6cdb37365862120
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test read::test::read_packet_puback_test ... ok
[INFO] [stdout] test read::test::read_packet_connect_mqtt_protocol_test ... ok
[INFO] [stdout] test read::test::read_packet_connect_mqisdp_protocol_test ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos0_test ... ok
[INFO] [stdout] test read::test::read_packet_connack_test ... ok
[INFO] [stdout] test msg::test::to_topic_name_test ... ok
[INFO] [stdout] test read::test::read_packet_unsubscribe_test ... ok
[INFO] [stdout] test read::test::read_packet_subscribe_test ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos1_test ... ok
[INFO] [stdout] test msg::test::message_to_pub_test ... ok
[INFO] [stdout] test msg::test::message_from_pub_test ... ok
[INFO] [stdout] test read::test::read_packet_suback_test ... ok
[INFO] [stdout] test write::test::write_packet_connect_mqisdp_protocol_test ... ok
[INFO] [stdout] test topic::test::wildcards_test ... ok
[INFO] [stdout] test topic::test::topic_path_test ... ok
[INFO] [stdout] test test::protocol_test ... ok
[INFO] [stdout] test test::packet_identifier_test ... ok
[INFO] [stdout] test write::test::write_packet_connect_mqtt_protocol_test ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_least_once_test ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_most_once_test ... ok
[INFO] [stdout] test write::test::write_packet_subscribe_test ... ok
[INFO] [stdout] test write::test::write_packet_connack_test ... ok
[INFO] [stdout] test test::qos_min_test ... ok
[INFO] [stdout] test topic::test::topic_is_not_valid_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests RustMqtt
[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" "11bf3335d674cddae4a91a8c157e527778efb5c06ee9d3cb36f0eee6fcadd6d7"`
[INFO] running `"docker" "rm" "-f" "11bf3335d674cddae4a91a8c157e527778efb5c06ee9d3cb36f0eee6fcadd6d7"`
[INFO] [stdout] 11bf3335d674cddae4a91a8c157e527778efb5c06ee9d3cb36f0eee6fcadd6d7