Aug 17 05:36:39.139 INFO checking yaml-rust-0.3.5 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 05:36:39.139 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 05:36:39.140 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 05:36:39.140 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-5/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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=500" "-e" "CMD=cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 05:36:39.407 INFO blam! 601ebc66246f53e3a037dd7737f4b47e9bba1569fafb54857d388ff1e4d5a9e0
Aug 17 05:36:39.409 INFO running `"docker" "start" "-a" "601ebc66246f53e3a037dd7737f4b47e9bba1569fafb54857d388ff1e4d5a9e0"`
Aug 17 05:36:40.422 INFO kablam!     Checking yaml-rust v0.3.5 (file:///source)
Aug 17 05:36:41.591 INFO kablam! warning: unused import: `yaml::*`
Aug 17 05:36:41.591 INFO kablam!    --> src/emitter.rs:281:9
Aug 17 05:36:41.591 INFO kablam!     |
Aug 17 05:36:41.591 INFO kablam! 281 |     use yaml::*;
Aug 17 05:36:41.591 INFO kablam!     |         ^^^^^^^
Aug 17 05:36:41.591 INFO kablam!     |
Aug 17 05:36:41.591 INFO kablam!     = note: #[warn(unused_imports)] on by default
Aug 17 05:36:41.591 INFO kablam! 
Aug 17 05:36:42.692 INFO kablam! warning: unused import: `std::str::FromStr`
Aug 17 05:36:42.692 INFO kablam!  --> src/yaml.rs:5:5
Aug 17 05:36:42.692 INFO kablam!   |
Aug 17 05:36:42.692 INFO kablam! 5 | use std::str::FromStr;
Aug 17 05:36:42.692 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 17 05:36:42.692 INFO kablam!   |
Aug 17 05:36:42.692 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 17 05:36:42.692 INFO kablam! 
Aug 17 05:36:42.998 INFO kablam! warning: variable does not need to be mutable
Aug 17 05:36:42.998 INFO kablam!    --> src/yaml.rs:178:25
Aug 17 05:36:42.998 INFO kablam!     |
Aug 17 05:36:42.998 INFO kablam! 178 |                     let mut cur_key = self.key_stack.last_mut().unwrap();
Aug 17 05:36:42.998 INFO kablam!     |                         ----^^^^^^^
Aug 17 05:36:42.998 INFO kablam!     |                         |
Aug 17 05:36:42.998 INFO kablam!     |                         help: remove this `mut`
Aug 17 05:36:42.998 INFO kablam!     |
Aug 17 05:36:42.998 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 17 05:36:42.998 INFO kablam! 
Aug 17 05:36:46.045 INFO kablam! warning: unused import: `std::str::FromStr`
Aug 17 05:36:46.045 INFO kablam!  --> src/yaml.rs:5:5
Aug 17 05:36:46.045 INFO kablam!   |
Aug 17 05:36:46.045 INFO kablam! 5 | use std::str::FromStr;
Aug 17 05:36:46.046 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Aug 17 05:36:46.046 INFO kablam! 
Aug 17 05:36:46.841 INFO kablam! warning: variable does not need to be mutable
Aug 17 05:36:46.841 INFO kablam!    --> src/yaml.rs:178:25
Aug 17 05:36:46.841 INFO kablam!     |
Aug 17 05:36:46.841 INFO kablam! 178 |                     let mut cur_key = self.key_stack.last_mut().unwrap();
Aug 17 05:36:46.841 INFO kablam!     |                         ----^^^^^^^
Aug 17 05:36:46.841 INFO kablam!     |                         |
Aug 17 05:36:46.841 INFO kablam!     |                         help: remove this `mut`
Aug 17 05:36:46.842 INFO kablam!     |
Aug 17 05:36:46.843 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 17 05:36:46.843 INFO kablam! 
Aug 17 05:36:52.842 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.58s
Aug 17 05:36:52.856 INFO kablam! su: No module specific data is present
Aug 17 05:36:53.347 INFO running `"docker" "rm" "-f" "601ebc66246f53e3a037dd7737f4b47e9bba1569fafb54857d388ff1e4d5a9e0"`
Aug 17 05:36:53.515 INFO blam! 601ebc66246f53e3a037dd7737f4b47e9bba1569fafb54857d388ff1e4d5a9e0