Dec 12 12:27:57.244 INFO checking kafka-0.7.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 12:27:57.244 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 12:27:57.692 INFO [stdout] f13891df4d76e9df46707771e6cebc601a8c3350cdf4409eafe77eb1919711cf
Dec 12 12:27:57.694 INFO running `"docker" "start" "-a" "f13891df4d76e9df46707771e6cebc601a8c3350cdf4409eafe77eb1919711cf"`
Dec 12 12:27:59.368 INFO [stderr] usermod: no changes
Dec 12 12:27:59.589 INFO [stderr]     Checking ref_slice v1.1.1
Dec 12 12:27:59.589 INFO [stderr]     Checking snap v0.2.5
Dec 12 12:28:00.784 INFO [stderr]     Checking kafka v0.7.0 (/source)
Dec 12 12:28:04.747 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 12:28:04.747 INFO [stderr]   --> src/compression/gzip.rs:14:8
Dec 12 12:28:04.747 INFO [stderr]    |
Dec 12 12:28:04.747 INFO [stderr] 14 |     Ok((compressed_bytes))
Dec 12 12:28:04.747 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 12:28:04.747 INFO [stderr]    |
Dec 12 12:28:04.747 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 12:28:04.747 INFO [stderr] 
Dec 12 12:28:05.556 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 12:28:05.556 INFO [stderr]   --> src/compression/gzip.rs:14:8
Dec 12 12:28:05.556 INFO [stderr]    |
Dec 12 12:28:05.556 INFO [stderr] 14 |     Ok((compressed_bytes))
Dec 12 12:28:05.556 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 12:28:05.556 INFO [stderr]    |
Dec 12 12:28:05.556 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 12:28:05.556 INFO [stderr] 
Dec 12 12:28:06.124 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:28:06.124 INFO [stderr]    --> src/consumer/mod.rs:225:13
Dec 12 12:28:06.124 INFO [stderr]     |
Dec 12 12:28:06.124 INFO [stderr] 225 |         let mut retry_partitions = &mut self.state.retry_partitions;
Dec 12 12:28:06.124 INFO [stderr]     |             ----^^^^^^^^^^^^^^^^
Dec 12 12:28:06.124 INFO [stderr]     |             |
Dec 12 12:28:06.124 INFO [stderr]     |             help: remove this `mut`
Dec 12 12:28:06.124 INFO [stderr]     |
Dec 12 12:28:06.124 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 12:28:06.124 INFO [stderr] 
Dec 12 12:28:13.606 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:28:13.606 INFO [stderr]    --> src/consumer/mod.rs:225:13
Dec 12 12:28:13.606 INFO [stderr]     |
Dec 12 12:28:13.606 INFO [stderr] 225 |         let mut retry_partitions = &mut self.state.retry_partitions;
Dec 12 12:28:13.606 INFO [stderr]     |             ----^^^^^^^^^^^^^^^^
Dec 12 12:28:13.606 INFO [stderr]     |             |
Dec 12 12:28:13.606 INFO [stderr]     |             help: remove this `mut`
Dec 12 12:28:13.606 INFO [stderr]     |
Dec 12 12:28:13.606 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 12:28:13.606 INFO [stderr] 
Dec 12 12:28:16.693 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 12 12:28:16.693 INFO [stderr]   --> examples/console-consumer.rs:10:5
Dec 12 12:28:16.693 INFO [stderr]    |
Dec 12 12:28:16.693 INFO [stderr] 10 | use std::ascii::AsciiExt;
Dec 12 12:28:16.693 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 12:28:16.693 INFO [stderr]    |
Dec 12 12:28:16.693 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 12 12:28:16.693 INFO [stderr] 
Dec 12 12:28:16.812 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 12 12:28:16.812 INFO [stderr]   --> examples/console-consumer.rs:10:5
Dec 12 12:28:16.812 INFO [stderr]    |
Dec 12 12:28:16.812 INFO [stderr] 10 | use std::ascii::AsciiExt;
Dec 12 12:28:16.812 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 12:28:16.812 INFO [stderr]    |
Dec 12 12:28:16.812 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 12:28:16.812 INFO [stderr] 
Dec 12 12:28:20.008 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 12 12:28:20.008 INFO [stderr]    --> examples/console-producer.rs:196:13
Dec 12 12:28:20.008 INFO [stderr]     |
Dec 12 12:28:20.008 INFO [stderr] 196 |         use std::ascii::AsciiExt;
Dec 12 12:28:20.008 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 12 12:28:20.008 INFO [stderr]     |
Dec 12 12:28:20.008 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 12 12:28:20.008 INFO [stderr] 
Dec 12 12:28:20.490 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 12 12:28:20.490 INFO [stderr]    --> examples/console-producer.rs:196:13
Dec 12 12:28:20.490 INFO [stderr]     |
Dec 12 12:28:20.490 INFO [stderr] 196 |         use std::ascii::AsciiExt;
Dec 12 12:28:20.490 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 12 12:28:20.490 INFO [stderr]     |
Dec 12 12:28:20.490 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 12 12:28:20.490 INFO [stderr] 
Dec 12 12:28:20.636 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:28:20.636 INFO [stderr]    --> examples/console-producer.rs:137:13
Dec 12 12:28:20.636 INFO [stderr]     |
Dec 12 12:28:20.636 INFO [stderr] 137 |         let mut rec = &mut rec_stash[next_rec];
Dec 12 12:28:20.636 INFO [stderr]     |             ----^^^
Dec 12 12:28:20.636 INFO [stderr]     |             |
Dec 12 12:28:20.636 INFO [stderr]     |             help: remove this `mut`
Dec 12 12:28:20.636 INFO [stderr]     |
Dec 12 12:28:20.636 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 12:28:20.636 INFO [stderr] 
Dec 12 12:28:20.765 INFO [stderr] warning: use of deprecated item 'example::openssl::ssl::SslConnectorBuilder::builder_mut': SslConnectorBuilder now implements DerefMut<Target=SslContextBuilder>
Dec 12 12:28:20.765 INFO [stderr]   --> examples/example-ssl.rs:38:35
Dec 12 12:28:20.765 INFO [stderr]    |
Dec 12 12:28:20.765 INFO [stderr] 38 |             let mut ctx = builder.builder_mut();
Dec 12 12:28:20.765 INFO [stderr]    |                                   ^^^^^^^^^^^
Dec 12 12:28:20.772 INFO [stderr]    |
Dec 12 12:28:20.772 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 12 12:28:20.772 INFO [stderr] 
Dec 12 12:28:21.156 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:28:21.156 INFO [stderr]   --> examples/example-ssl.rs:38:17
Dec 12 12:28:21.156 INFO [stderr]    |
Dec 12 12:28:21.156 INFO [stderr] 38 |             let mut ctx = builder.builder_mut();
Dec 12 12:28:21.156 INFO [stderr]    |                 ----^^^
Dec 12 12:28:21.156 INFO [stderr]    |                 |
Dec 12 12:28:21.156 INFO [stderr]    |                 help: remove this `mut`
Dec 12 12:28:21.173 INFO [stderr]    |
Dec 12 12:28:21.173 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 12:28:21.173 INFO [stderr] 
Dec 12 12:28:22.232 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 12 12:28:22.232 INFO [stderr]  --> examples/offset-monitor.rs:8:5
Dec 12 12:28:22.232 INFO [stderr]   |
Dec 12 12:28:22.232 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 12 12:28:22.232 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 12:28:22.232 INFO [stderr]   |
Dec 12 12:28:22.232 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 12 12:28:22.232 INFO [stderr] 
Dec 12 12:28:22.444 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 12 12:28:22.444 INFO [stderr]  --> examples/offset-monitor.rs:8:5
Dec 12 12:28:22.444 INFO [stderr]   |
Dec 12 12:28:22.444 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 12 12:28:22.444 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 12:28:22.444 INFO [stderr]   |
Dec 12 12:28:22.444 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 12:28:22.444 INFO [stderr] 
Dec 12 12:28:23.060 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.66s
Dec 12 12:28:23.064 INFO [stderr] su: No module specific data is present
Dec 12 12:28:23.562 INFO running `"docker" "inspect" "f13891df4d76e9df46707771e6cebc601a8c3350cdf4409eafe77eb1919711cf"`
Dec 12 12:28:23.782 INFO running `"docker" "rm" "-f" "f13891df4d76e9df46707771e6cebc601a8c3350cdf4409eafe77eb1919711cf"`
Dec 12 12:28:23.900 INFO [stdout] f13891df4d76e9df46707771e6cebc601a8c3350cdf4409eafe77eb1919711cf