[INFO] crate mqttrs 0.1.1 is already in cache
[INFO] extracting crate mqttrs 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/mqttrs/0.1.1
[INFO] extracting crate mqttrs 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mqttrs/0.1.1
[INFO] validating manifest of mqttrs-0.1.1 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 mqttrs-0.1.1 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 mqttrs-0.1.1
[INFO] finished frobbing mqttrs-0.1.1
[INFO] frobbed toml for mqttrs-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/mqttrs/0.1.1/Cargo.toml
[INFO] started frobbing mqttrs-0.1.1
[INFO] finished frobbing mqttrs-0.1.1
[INFO] frobbed toml for mqttrs-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mqttrs/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache lock
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mqttrs-0.1.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/mqttrs/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b55a5b537571c67ea54b4f49653df1cc377460fd4ed795399bb759ae562fbccf
[INFO] running `"docker" "start" "-a" "b55a5b537571c67ea54b4f49653df1cc377460fd4ed795399bb759ae562fbccf"`
[INFO] [stderr]    Compiling mqttrs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Connack`, `ConnectReturnCode`, `PacketIdentifier`, `Packet`, `QoS`, `SubscribeReturnCodes`, `SubscribeTopic`, `decoder`
[INFO] [stderr]  --> src/decoder_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     decoder, Connack, ConnectReturnCode, Packet, PacketIdentifier, QoS, SubscribeReturnCodes,
[INFO] [stderr]   |     ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^  ^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 3 |     SubscribeTopic,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::BytesMut`
[INFO] [stderr]  --> src/decoder_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use bytes::BytesMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Connack`, `ConnectReturnCode`, `Connect`, `PacketIdentifier`, `Packet`, `Protocol`, `Publish`, `QoS`, `Suback`, `SubscribeReturnCodes`, `SubscribeTopic`, `Subscribe`, `Unsubscribe`, `decoder`, `encoder`
[INFO] [stderr]  --> src/encoder_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     decoder, encoder, Connack, Connect, ConnectReturnCode, Packet, PacketIdentifier, Protocol,
[INFO] [stderr]   |     ^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 3 |     Publish, QoS, Suback, Subscribe, SubscribeReturnCodes, SubscribeTopic, Unsubscribe,
[INFO] [stderr]   |     ^^^^^^^  ^^^  ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::BytesMut`
[INFO] [stderr]  --> src/encoder_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use bytes::BytesMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Buf`
[INFO] [stderr]  --> src/encoder.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stderr]   |             ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "b55a5b537571c67ea54b4f49653df1cc377460fd4ed795399bb759ae562fbccf"`
[INFO] running `"docker" "rm" "-f" "b55a5b537571c67ea54b4f49653df1cc377460fd4ed795399bb759ae562fbccf"`
[INFO] [stdout] b55a5b537571c67ea54b4f49653df1cc377460fd4ed795399bb759ae562fbccf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/mqttrs/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3660cffa5b0956989e3eff7f8eb7558befea484e5a279ec1b19de9a795b3753d
[INFO] running `"docker" "start" "-a" "3660cffa5b0956989e3eff7f8eb7558befea484e5a279ec1b19de9a795b3753d"`
[INFO] [stderr]    Compiling mqttrs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Buf`
[INFO] [stderr]  --> src/encoder.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `returnCode` should have a snake case name
[INFO] [stderr]    --> src/encoder_test.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let returnCode = SubscribeReturnCodes::Success(QoS::ExactlyOnce);
[INFO] [stderr]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `return_code`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "3660cffa5b0956989e3eff7f8eb7558befea484e5a279ec1b19de9a795b3753d"`
[INFO] running `"docker" "rm" "-f" "3660cffa5b0956989e3eff7f8eb7558befea484e5a279ec1b19de9a795b3753d"`
[INFO] [stdout] 3660cffa5b0956989e3eff7f8eb7558befea484e5a279ec1b19de9a795b3753d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/mqttrs/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0798e969e42e0c4c6c3b0578754c1f58e6f589605becd320da126b1447ebe2bd
[INFO] running `"docker" "start" "-a" "0798e969e42e0c4c6c3b0578754c1f58e6f589605becd320da126b1447ebe2bd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mqttrs-cc4f6c343c40e4bf
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test decoder_test::test_connack ... ok
[INFO] [stdout] test decoder_test::test_connect ... ok
[INFO] [stdout] test decoder_test::test_half_connect ... ok
[INFO] [stdout] test decoder_test::test_disconnect ... ok
[INFO] [stdout] test decoder_test::test_ping_req ... ok
[INFO] [stdout] test decoder_test::test_suback ... ok
[INFO] [stdout] test decoder_test::test_pub_ack ... ok
[INFO] [stdout] test decoder_test::test_pub_rec ... ok
[INFO] [stdout] test decoder_test::test_pub_rel ... ok
[INFO] [stdout] test decoder_test::test_pub_comp ... ok
[INFO] [stdout] test decoder_test::test_ping_resp ... ok
[INFO] [stdout] test decoder_test::test_unsubscribe ... ok
[INFO] [stdout] test encoder_test::test_connect ... ok
[INFO] [stdout] test encoder_test::test_connack ... ok
[INFO] [stdout] test decoder_test::test_publish ... ok
[INFO] [stdout] test decoder_test::test_subscribe ... ok
[INFO] [stdout] test encoder_test::test_ping_req ... ok
[INFO] [stdout] test encoder_test::test_ping_resp ... ok
[INFO] [stdout] test encoder_test::test_pubcomp ... ok
[INFO] [stdout] test encoder_test::test_puback ... ok
[INFO] [stdout] test encoder_test::test_pubrec ... ok
[INFO] [stdout] test decoder_test::test_unsub_ack ... ok
[INFO] [stdout] test encoder_test::test_publish ... ok
[INFO] [stdout] test encoder_test::test_disconnect ... ok
[INFO] [stdout] test encoder_test::test_subscribe ... ok
[INFO] [stdout] test header::tests::header ... ok
[INFO] [stdout] test encoder_test::test_suback ... ok
[INFO] [stdout] test encoder_test::test_unsuback ... ok
[INFO] [stdout] test encoder_test::test_unsubscribe ... ok
[INFO] [stdout] test encoder_test::test_pubrel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqttrs
[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" "0798e969e42e0c4c6c3b0578754c1f58e6f589605becd320da126b1447ebe2bd"`
[INFO] running `"docker" "rm" "-f" "0798e969e42e0c4c6c3b0578754c1f58e6f589605becd320da126b1447ebe2bd"`
[INFO] [stdout] 0798e969e42e0c4c6c3b0578754c1f58e6f589605becd320da126b1447ebe2bd