Sep 01 14:09:30.922 INFO checking merkle_tree-0.1.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 14:09:30.922 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 14:09:30.922 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 14:09:31.152 INFO blam! de16fcdb37042c5d57c6abada2a95c949ca153215ce6841452692d6a63e0bdf5
Sep 01 14:09:31.154 INFO running `"docker" "start" "-a" "de16fcdb37042c5d57c6abada2a95c949ca153215ce6841452692d6a63e0bdf5"`
Sep 01 14:09:31.957 INFO kablam!     Checking rayon v0.7.1
Sep 01 14:09:34.627 INFO kablam!     Checking merkle_tree v0.1.0 (file:///source)
Sep 01 14:09:39.645 INFO kablam! warning: unused import: `self::crypto::sha2::Sha256`
Sep 01 14:09:39.645 INFO kablam!   --> tests/bench_append.rs:13:9
Sep 01 14:09:39.645 INFO kablam!    |
Sep 01 14:09:39.645 INFO kablam! 13 |     use self::crypto::sha2::Sha256;
Sep 01 14:09:39.645 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 14:09:39.645 INFO kablam!    |
Sep 01 14:09:39.645 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 14:09:39.645 INFO kablam! 
Sep 01 14:09:39.645 INFO kablam! warning: unused import: `self::crypto::digest::Digest`
Sep 01 14:09:39.645 INFO kablam!   --> tests/bench_append.rs:14:9
Sep 01 14:09:39.645 INFO kablam!    |
Sep 01 14:09:39.646 INFO kablam! 14 |     use self::crypto::digest::Digest;
Sep 01 14:09:39.646 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 14:09:39.646 INFO kablam! 
Sep 01 14:09:39.887 INFO kablam! warning: unused variable: `a`
Sep 01 14:09:39.887 INFO kablam!    --> tests/bench_build_tree.rs:518:30
Sep 01 14:09:39.887 INFO kablam!     |
Sep 01 14:09:39.887 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 01 14:09:39.887 INFO kablam!     |                              ^ help: consider using `_a` instead
Sep 01 14:09:39.887 INFO kablam!     |
Sep 01 14:09:39.888 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 14:09:39.888 INFO kablam! 
Sep 01 14:09:39.888 INFO kablam! warning: unused variable: `b`
Sep 01 14:09:39.888 INFO kablam!    --> tests/bench_build_tree.rs:518:33
Sep 01 14:09:39.888 INFO kablam!     |
Sep 01 14:09:39.888 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 01 14:09:39.888 INFO kablam!     |                                 ^ help: consider using `_b` instead
Sep 01 14:09:39.888 INFO kablam! 
Sep 01 14:09:39.997 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.16s
Sep 01 14:09:40.005 INFO kablam! su: No module specific data is present
Sep 01 14:09:40.525 INFO running `"docker" "rm" "-f" "de16fcdb37042c5d57c6abada2a95c949ca153215ce6841452692d6a63e0bdf5"`
Sep 01 14:09:40.615 INFO blam! de16fcdb37042c5d57c6abada2a95c949ca153215ce6841452692d6a63e0bdf5