[INFO] crate mqtt-protocol 0.7.0 is already in cache
[INFO] checking mqtt-protocol-0.7.0 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate mqtt-protocol 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mqtt-protocol 0.7.0 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mqtt-protocol 0.7.0
[INFO] finished tweaking crates.io crate mqtt-protocol 0.7.0
[INFO] tweaked toml for crates.io crate mqtt-protocol 0.7.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 429d3969a4cc5a84c52f9fef42a19d90362e97df2c6b684e82ef88f65007f0ba
[INFO] running `"docker" "start" "-a" "429d3969a4cc5a84c52f9fef42a19d90362e97df2c6b684e82ef88f65007f0ba"`
[INFO] [stderr]     Checking mqtt-protocol v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet/mod.rs:301:33
[INFO] [stderr]     |
[INFO] [stderr] 301 |                                   try!(reader.read_to_end(&mut buf));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet/mod.rs:307:33
[INFO] [stderr]     |
[INFO] [stderr] 307 |                                   try!(reader.read_to_end(&mut buf));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet/mod.rs:319:38
[INFO] [stderr]     |
[INFO] [stderr] 319 |                               let pk = try!(<$name as Packet>::decode_packet(reader, fixed_header));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet/mod.rs:301:33
[INFO] [stderr]     |
[INFO] [stderr] 301 |                                   try!(reader.read_to_end(&mut buf));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet/mod.rs:307:33
[INFO] [stderr]     |
[INFO] [stderr] 307 |                                   try!(reader.read_to_end(&mut buf));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet/mod.rs:319:38
[INFO] [stderr]     |
[INFO] [stderr] 319 |                               let pk = try!(<$name as Packet>::decode_packet(reader, fixed_header));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/control/fixed_header.rs:197:64
[INFO] [stderr]     |
[INFO] [stderr] 197 |             &FixedHeaderError::PacketTypeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/control/fixed_header.rs:197:64
[INFO] [stderr]     |
[INFO] [stderr] 197 |             &FixedHeaderError::PacketTypeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/control/fixed_header.rs:198:56
[INFO] [stderr]     |
[INFO] [stderr] 198 |             &FixedHeaderError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/control/variable_header/mod.rs:79:59
[INFO] [stderr]    |
[INFO] [stderr] 79 |             &VariableHeaderError::IoError(ref err) => err.description(),
[INFO] [stderr]    |                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/control/variable_header/mod.rs:80:69
[INFO] [stderr]    |
[INFO] [stderr] 80 |             &VariableHeaderError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/control/fixed_header.rs:198:56
[INFO] [stderr]     |
[INFO] [stderr] 198 |             &FixedHeaderError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/control/variable_header/mod.rs:82:65
[INFO] [stderr]    |
[INFO] [stderr] 82 |             &VariableHeaderError::FromUtf8Error(ref err) => err.description(),
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/control/variable_header/mod.rs:79:59
[INFO] [stderr]    |
[INFO] [stderr] 79 |             &VariableHeaderError::IoError(ref err) => err.description(),
[INFO] [stderr]    |                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/control/variable_header/mod.rs:83:66
[INFO] [stderr]    |
[INFO] [stderr] 83 |             &VariableHeaderError::TopicNameError(ref err) => err.description(),
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:131:60
[INFO] [stderr]     |
[INFO] [stderr] 131 |             &PacketError::FixedHeaderError(ref err) => err.description(),
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/control/variable_header/mod.rs:80:69
[INFO] [stderr]    |
[INFO] [stderr] 80 |             &VariableHeaderError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |             &PacketError::VariableHeaderError(ref err) => err.description(),
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/control/variable_header/mod.rs:82:65
[INFO] [stderr]    |
[INFO] [stderr] 82 |             &VariableHeaderError::FromUtf8Error(ref err) => err.description(),
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:133:56
[INFO] [stderr]     |
[INFO] [stderr] 133 |             &PacketError::PayloadError(ref err) => err.description(),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/control/variable_header/mod.rs:83:66
[INFO] [stderr]    |
[INFO] [stderr] 83 |             &VariableHeaderError::TopicNameError(ref err) => err.description(),
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:135:61
[INFO] [stderr]     |
[INFO] [stderr] 135 |             &PacketError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:131:60
[INFO] [stderr]     |
[INFO] [stderr] 131 |             &PacketError::FixedHeaderError(ref err) => err.description(),
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:136:51
[INFO] [stderr]     |
[INFO] [stderr] 136 |             &PacketError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |             &PacketError::VariableHeaderError(ref err) => err.description(),
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:137:58
[INFO] [stderr]     |
[INFO] [stderr] 137 |             &PacketError::TopicNameError(ref err) => err.description(),
[INFO] [stderr]     |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:133:56
[INFO] [stderr]     |
[INFO] [stderr] 133 |             &PacketError::PayloadError(ref err) => err.description(),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:135:61
[INFO] [stderr]     |
[INFO] [stderr] 135 |             &PacketError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:136:51
[INFO] [stderr]     |
[INFO] [stderr] 136 |             &PacketError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:137:58
[INFO] [stderr]     |
[INFO] [stderr] 137 |             &PacketError::TopicNameError(ref err) => err.description(),
[INFO] [stderr]     |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:378:76
[INFO] [stderr]     |
[INFO] [stderr] 378 |                       &VariablePacketError::FixedHeaderError(ref err) => err.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:381:67
[INFO] [stderr]     |
[INFO] [stderr] 381 |                       &VariablePacketError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:383:72
[INFO] [stderr]     |
[INFO] [stderr] 383 |                           &VariablePacketError::$errname(ref err) => err.description(),
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:378:76
[INFO] [stderr]     |
[INFO] [stderr] 378 |                       &VariablePacketError::FixedHeaderError(ref err) => err.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:381:67
[INFO] [stderr]     |
[INFO] [stderr] 381 |                       &VariablePacketError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/mod.rs:383:72
[INFO] [stderr]     |
[INFO] [stderr] 383 |                           &VariablePacketError::$errname(ref err) => err.description(),
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 | / impl_variable_packet! {
[INFO] [stderr] 404 | |     ConnectPacket       & ConnectPacketError        => Connect,
[INFO] [stderr] 405 | |     ConnackPacket       & ConnackPacketError        => ConnectAcknowledgement,
[INFO] [stderr] 406 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |     DisconnectPacket    & DisconnectPacketError     => Disconnect,
[INFO] [stderr] 423 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/connect.rs:337:65
[INFO] [stderr]     |
[INFO] [stderr] 337 |             &ConnectPacketPayloadError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/connect.rs:338:75
[INFO] [stderr]     |
[INFO] [stderr] 338 |             &ConnectPacketPayloadError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/connect.rs:339:72
[INFO] [stderr]     |
[INFO] [stderr] 339 |             &ConnectPacketPayloadError::TopicNameError(ref err) => err.description(),
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/connect.rs:337:65
[INFO] [stderr]     |
[INFO] [stderr] 337 |             &ConnectPacketPayloadError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/connect.rs:338:75
[INFO] [stderr]     |
[INFO] [stderr] 338 |             &ConnectPacketPayloadError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/connect.rs:339:72
[INFO] [stderr]     |
[INFO] [stderr] 339 |             &ConnectPacketPayloadError::TopicNameError(ref err) => err.description(),
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/subscribe.rs:172:67
[INFO] [stderr]     |
[INFO] [stderr] 172 |             &SubscribePacketPayloadError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/subscribe.rs:173:73
[INFO] [stderr]     |
[INFO] [stderr] 173 |             &SubscribePacketPayloadError::FromUtf8Error(ref err) => err.description(),
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/subscribe.rs:174:77
[INFO] [stderr]     |
[INFO] [stderr] 174 |             &SubscribePacketPayloadError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/subscribe.rs:176:76
[INFO] [stderr]     |
[INFO] [stderr] 176 |             &SubscribePacketPayloadError::TopicFilterError(ref err) => err.description(),
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/suback.rs:198:64
[INFO] [stderr]     |
[INFO] [stderr] 198 |             &SubackPacketPayloadError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/unsubscribe.rs:159:69
[INFO] [stderr]     |
[INFO] [stderr] 159 |             &UnsubscribePacketPayloadError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/unsubscribe.rs:160:75
[INFO] [stderr]     |
[INFO] [stderr] 160 |             &UnsubscribePacketPayloadError::FromUtf8Error(ref err) => err.description(),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/unsubscribe.rs:161:79
[INFO] [stderr]     |
[INFO] [stderr] 161 |             &UnsubscribePacketPayloadError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/unsubscribe.rs:162:78
[INFO] [stderr]     |
[INFO] [stderr] 162 |             &UnsubscribePacketPayloadError::TopicFilterError(ref err) => err.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/subscribe.rs:172:67
[INFO] [stderr]     |
[INFO] [stderr] 172 |             &SubscribePacketPayloadError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/subscribe.rs:173:73
[INFO] [stderr]     |
[INFO] [stderr] 173 |             &SubscribePacketPayloadError::FromUtf8Error(ref err) => err.description(),
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/subscribe.rs:174:77
[INFO] [stderr]     |
[INFO] [stderr] 174 |             &SubscribePacketPayloadError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/subscribe.rs:176:76
[INFO] [stderr]     |
[INFO] [stderr] 176 |             &SubscribePacketPayloadError::TopicFilterError(ref err) => err.description(),
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/encodable.rs:219:57
[INFO] [stderr]     |
[INFO] [stderr] 219 |             &StringEncodeError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/encodable.rs:220:63
[INFO] [stderr]     |
[INFO] [stderr] 220 |             &StringEncodeError::FromUtf8Error(ref err) => err.description(),
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/suback.rs:198:64
[INFO] [stderr]     |
[INFO] [stderr] 198 |             &SubackPacketPayloadError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/topic_filter.rs:146:66
[INFO] [stderr]     |
[INFO] [stderr] 146 |             &TopicFilterError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/unsubscribe.rs:159:69
[INFO] [stderr]     |
[INFO] [stderr] 159 |             &UnsubscribePacketPayloadError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/unsubscribe.rs:160:75
[INFO] [stderr]     |
[INFO] [stderr] 160 |             &UnsubscribePacketPayloadError::FromUtf8Error(ref err) => err.description(),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/unsubscribe.rs:161:79
[INFO] [stderr]     |
[INFO] [stderr] 161 |             &UnsubscribePacketPayloadError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/packet/unsubscribe.rs:162:78
[INFO] [stderr]     |
[INFO] [stderr] 162 |             &UnsubscribePacketPayloadError::TopicFilterError(ref err) => err.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/topic_name.rs:108:64
[INFO] [stderr]     |
[INFO] [stderr] 108 |             &TopicNameError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/encodable.rs:219:57
[INFO] [stderr]     |
[INFO] [stderr] 219 |             &StringEncodeError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/encodable.rs:220:63
[INFO] [stderr]     |
[INFO] [stderr] 220 |             &StringEncodeError::FromUtf8Error(ref err) => err.description(),
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/topic_filter.rs:146:66
[INFO] [stderr]     |
[INFO] [stderr] 146 |             &TopicFilterError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/topic_name.rs:108:64
[INFO] [stderr]     |
[INFO] [stderr] 108 |             &TopicNameError::StringEncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> examples/pub-client.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |         if line.trim_right() == "" {
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> examples/pub-client.rs:154:57
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let message = format!("{}: {}", user_name, line.trim_right());
[INFO] [stderr]     |                                                         ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "429d3969a4cc5a84c52f9fef42a19d90362e97df2c6b684e82ef88f65007f0ba"`
[INFO] running `"docker" "rm" "-f" "429d3969a4cc5a84c52f9fef42a19d90362e97df2c6b684e82ef88f65007f0ba"`
[INFO] [stdout] 429d3969a4cc5a84c52f9fef42a19d90362e97df2c6b684e82ef88f65007f0ba