Sep 21 10:23:33.927 INFO checking flac-0.5.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 10:23:33.927 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 10:23:33.927 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:23:34.089 INFO blam! 3ec1b2ddeae1506c513cb50506decbb4ecd93524131b841103a92412b5a1a2bf
Sep 21 10:23:34.091 INFO running `"docker" "start" "-a" "3ec1b2ddeae1506c513cb50506decbb4ecd93524131b841103a92412b5a1a2bf"`
Sep 21 10:23:35.016 INFO kablam! usermod: no changes
Sep 21 10:23:35.111 INFO kablam!     Checking flac v0.5.0 (/source)
Sep 21 10:23:35.680 INFO kablam! warning: the trait bound `R: std::io::Read` is not satisfied
Sep 21 10:23:35.680 INFO kablam!   --> src/stream.rs:24:29
Sep 21 10:23:35.680 INFO kablam!    |
Sep 21 10:23:35.680 INFO kablam! 24 | pub type StreamReader<R>  = Stream<ReadStream<R>>;
Sep 21 10:23:35.680 INFO kablam!    |                             ^^^^^^^^^^^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `R`
Sep 21 10:23:35.680 INFO kablam!    |
Sep 21 10:23:35.680 INFO kablam!    = note: #[warn(type_alias_missing_bounds)] on by default
Sep 21 10:23:35.680 INFO kablam!    = help: consider adding a `where R: std::io::Read` bound
Sep 21 10:23:35.680 INFO kablam!    = help: missing bounds in type aliases were previously allowed
Sep 21 10:23:35.680 INFO kablam!    = help: this is a hard error in Rust 2018
Sep 21 10:23:35.680 INFO kablam! 
Sep 21 10:23:35.938 INFO kablam! warning: the trait bound `R: std::io::Read` is not satisfied
Sep 21 10:23:35.938 INFO kablam!   --> src/stream.rs:24:29
Sep 21 10:23:35.938 INFO kablam!    |
Sep 21 10:23:35.938 INFO kablam! 24 | pub type StreamReader<R>  = Stream<ReadStream<R>>;
Sep 21 10:23:35.938 INFO kablam!    |                             ^^^^^^^^^^^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `R`
Sep 21 10:23:35.938 INFO kablam!    |
Sep 21 10:23:35.938 INFO kablam!    = note: #[warn(type_alias_missing_bounds)] on by default
Sep 21 10:23:35.938 INFO kablam!    = help: consider adding a `where R: std::io::Read` bound
Sep 21 10:23:35.939 INFO kablam!    = help: missing bounds in type aliases were previously allowed
Sep 21 10:23:35.939 INFO kablam!    = help: this is a hard error in Rust 2018
Sep 21 10:23:35.939 INFO kablam! 
Sep 21 10:23:36.806 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:23:36.806 INFO kablam!    --> src/utility/types.rs:362:9
Sep 21 10:23:36.806 INFO kablam!     |
Sep 21 10:23:36.806 INFO kablam! 362 |     let mut buffer = &mut self.buffer;
Sep 21 10:23:36.806 INFO kablam!     |         ----^^^^^^
Sep 21 10:23:36.806 INFO kablam!     |         |
Sep 21 10:23:36.806 INFO kablam!     |         help: remove this `mut`
Sep 21 10:23:36.806 INFO kablam!     |
Sep 21 10:23:36.806 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 10:23:36.806 INFO kablam! 
Sep 21 10:23:38.566 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:23:38.566 INFO kablam!    --> src/utility/types.rs:362:9
Sep 21 10:23:38.566 INFO kablam!     |
Sep 21 10:23:38.566 INFO kablam! 362 |     let mut buffer = &mut self.buffer;
Sep 21 10:23:38.566 INFO kablam!     |         ----^^^^^^
Sep 21 10:23:38.566 INFO kablam!     |         |
Sep 21 10:23:38.566 INFO kablam!     |         help: remove this `mut`
Sep 21 10:23:38.566 INFO kablam!     |
Sep 21 10:23:38.566 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 10:23:38.566 INFO kablam! 
Sep 21 10:23:39.311 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
Sep 21 10:23:39.320 INFO kablam! su: No module specific data is present
Sep 21 10:23:39.970 INFO running `"docker" "rm" "-f" "3ec1b2ddeae1506c513cb50506decbb4ecd93524131b841103a92412b5a1a2bf"`
Sep 21 10:23:40.051 INFO blam! 3ec1b2ddeae1506c513cb50506decbb4ecd93524131b841103a92412b5a1a2bf