[INFO] crate kafka 0.7.0 is already in cache
[INFO] extracting crate kafka 0.7.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/kafka/0.7.0
[INFO] extracting crate kafka 0.7.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/kafka/0.7.0
[INFO] validating manifest of kafka-0.7.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kafka-0.7.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kafka-0.7.0
[INFO] finished frobbing kafka-0.7.0
[INFO] frobbed toml for kafka-0.7.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/kafka/0.7.0/Cargo.toml
[INFO] started frobbing kafka-0.7.0
[INFO] finished frobbing kafka-0.7.0
[INFO] frobbed toml for kafka-0.7.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/kafka/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kafka-0.7.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/kafka/0.7.0:/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=forbid" "-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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4092c3f2a7c9be01dbaa2f3c010a31823163c91738be67c5090dacee1bf00eb3
[INFO] running `"docker" "start" "-a" "4092c3f2a7c9be01dbaa2f3c010a31823163c91738be67c5090dacee1bf00eb3"`
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking kafka v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/error.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 |   /// The various errors this library can produce.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/error.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 |   /// The various errors this library can produce.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/compression/gzip.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Ok((compressed_bytes))
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/compression/gzip.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Ok((compressed_bytes))
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consumer/mod.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let mut retry_partitions = &mut self.state.retry_partitions;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consumer/mod.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let mut retry_partitions = &mut self.state.retry_partitions;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> examples/offset-monitor.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/console-producer.rs:61:27
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn produce_impl(src: &mut BufRead, client: KafkaClient, cfg: &Config) -> Result<()> {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/console-producer.rs:98:60
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn produce_impl_nobatch(producer: &mut Producer, src: &mut BufRead, cfg: &Config) -> Result<()> {
[INFO] [stderr]    |                                                            ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> examples/console-producer.rs:119:62
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn produce_impl_inbatches(producer: &mut Producer, src: &mut BufRead, cfg: &Config) -> Result<()> {
[INFO] [stderr]     |                                                              ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/topic-metadata.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let mut offs = m.get_mut(&topic).expect("unknown topic");
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> examples/offset-monitor.rs:367:1
[INFO] [stderr]     |
[INFO] [stderr] 367 | / error_chain! {
[INFO] [stderr] 368 | |     foreign_links {
[INFO] [stderr] 369 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 370 | |         Io(io::Error);
[INFO] [stderr] 371 | |         Opt(getopts::Fail);
[INFO] [stderr] 372 | |     }
[INFO] [stderr] 373 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> examples/offset-monitor.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]    --> examples/console-producer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |         use std::ascii::AsciiExt;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'example::openssl::ssl::SslConnectorBuilder::builder_mut': SslConnectorBuilder now implements DerefMut<Target=SslContextBuilder>
[INFO] [stderr]   --> examples/example-ssl.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let mut ctx = builder.builder_mut();
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> examples/console-consumer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> examples/console-producer.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | / error_chain! {
[INFO] [stderr] 172 | |     links {
[INFO] [stderr] 173 | |         Kafka(kafka::error::Error, kafka::error::ErrorKind);
[INFO] [stderr] 174 | |     }
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |     }
[INFO] [stderr] 179 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/example-ssl.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let mut ctx = builder.builder_mut();
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]    --> examples/console-producer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |         use std::ascii::AsciiExt;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/console-producer.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut rec = &mut rec_stash[next_rec];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> examples/console-consumer.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | / error_chain! {
[INFO] [stderr] 76 | |     foreign_links {
[INFO] [stderr] 77 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 78 | |         Io(io::Error);
[INFO] [stderr] 79 | |         Opt(getopts::Fail);
[INFO] [stderr] 80 | |     }
[INFO] [stderr] 81 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> examples/console-consumer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `"docker" "inspect" "4092c3f2a7c9be01dbaa2f3c010a31823163c91738be67c5090dacee1bf00eb3"`
[INFO] running `"docker" "rm" "-f" "4092c3f2a7c9be01dbaa2f3c010a31823163c91738be67c5090dacee1bf00eb3"`
[INFO] [stdout] 4092c3f2a7c9be01dbaa2f3c010a31823163c91738be67c5090dacee1bf00eb3