Aug 11 08:40:57.780 INFO checking merkle_tree-0.1.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 08:40:57.780 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 08:40:57.780 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 08:40:57.780 INFO running `"docker" "create" "-v" "/tmp/crater.F92ZmUtL7gEL:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-5/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 08:40:58.019 INFO blam! 7a3738e223886be6de74753a12461f6456da50508033d732eac061dd7aed7cdb
Aug 11 08:40:58.021 INFO running `"docker" "start" "-a" "7a3738e223886be6de74753a12461f6456da50508033d732eac061dd7aed7cdb"`
Aug 11 08:40:59.312 INFO kablam!     Checking merkle_tree v0.1.0 (file:///source)
Aug 11 08:41:04.156 INFO kablam! warning: unused import: `self::crypto::sha2::Sha256`
Aug 11 08:41:04.157 INFO kablam!   --> tests/bench_append.rs:13:9
Aug 11 08:41:04.157 INFO kablam!    |
Aug 11 08:41:04.157 INFO kablam! 13 |     use self::crypto::sha2::Sha256;
Aug 11 08:41:04.157 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 08:41:04.157 INFO kablam!    |
Aug 11 08:41:04.157 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 11 08:41:04.157 INFO kablam! 
Aug 11 08:41:04.157 INFO kablam! warning: unused import: `self::crypto::digest::Digest`
Aug 11 08:41:04.157 INFO kablam!   --> tests/bench_append.rs:14:9
Aug 11 08:41:04.157 INFO kablam!    |
Aug 11 08:41:04.157 INFO kablam! 14 |     use self::crypto::digest::Digest;
Aug 11 08:41:04.157 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 08:41:04.157 INFO kablam! 
Aug 11 08:41:04.879 INFO kablam! warning: unused variable: `a`
Aug 11 08:41:04.879 INFO kablam!    --> tests/bench_build_tree.rs:518:30
Aug 11 08:41:04.879 INFO kablam!     |
Aug 11 08:41:04.879 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Aug 11 08:41:04.879 INFO kablam!     |                              ^ help: consider using `_a` instead
Aug 11 08:41:04.879 INFO kablam!     |
Aug 11 08:41:04.879 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 11 08:41:04.879 INFO kablam! 
Aug 11 08:41:04.880 INFO kablam! warning: unused variable: `b`
Aug 11 08:41:04.880 INFO kablam!    --> tests/bench_build_tree.rs:518:33
Aug 11 08:41:04.880 INFO kablam!     |
Aug 11 08:41:04.880 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Aug 11 08:41:04.880 INFO kablam!     |                                 ^ help: consider using `_b` instead
Aug 11 08:41:04.880 INFO kablam! 
Aug 11 08:41:05.053 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
Aug 11 08:41:05.066 INFO kablam! su: No module specific data is present
Aug 11 08:41:05.819 INFO running `"docker" "rm" "-f" "7a3738e223886be6de74753a12461f6456da50508033d732eac061dd7aed7cdb"`
Aug 11 08:41:06.013 INFO blam! 7a3738e223886be6de74753a12461f6456da50508033d732eac061dd7aed7cdb