Aug 31 21:35:41.207 INFO checking merkle_tree-0.1.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 21:35:41.207 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 21:35:41.207 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 21:35:41.387 INFO blam! 102faa8c1ea01b2062383661774ba6c41cccc45d87cd4f5013f2a697e3270cc3
Aug 31 21:35:41.389 INFO running `"docker" "start" "-a" "102faa8c1ea01b2062383661774ba6c41cccc45d87cd4f5013f2a697e3270cc3"`
Aug 31 21:35:42.130 INFO kablam!     Checking rayon v0.7.1
Aug 31 21:35:46.205 INFO kablam!     Checking merkle_tree v0.1.0 (file:///source)
Aug 31 21:35:50.117 INFO kablam! warning: unused import: `self::crypto::sha2::Sha256`
Aug 31 21:35:50.117 INFO kablam!   --> tests/bench_append.rs:13:9
Aug 31 21:35:50.117 INFO kablam!    |
Aug 31 21:35:50.117 INFO kablam! 13 |     use self::crypto::sha2::Sha256;
Aug 31 21:35:50.117 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 21:35:50.117 INFO kablam!    |
Aug 31 21:35:50.117 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 31 21:35:50.117 INFO kablam! 
Aug 31 21:35:50.117 INFO kablam! warning: unused import: `self::crypto::digest::Digest`
Aug 31 21:35:50.117 INFO kablam!   --> tests/bench_append.rs:14:9
Aug 31 21:35:50.117 INFO kablam!    |
Aug 31 21:35:50.117 INFO kablam! 14 |     use self::crypto::digest::Digest;
Aug 31 21:35:50.118 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 21:35:50.118 INFO kablam! 
Aug 31 21:35:50.342 INFO kablam! warning: unused variable: `a`
Aug 31 21:35:50.342 INFO kablam!    --> tests/bench_build_tree.rs:518:30
Aug 31 21:35:50.343 INFO kablam!     |
Aug 31 21:35:50.343 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Aug 31 21:35:50.343 INFO kablam!     |                              ^ help: consider using `_a` instead
Aug 31 21:35:50.343 INFO kablam!     |
Aug 31 21:35:50.343 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 31 21:35:50.343 INFO kablam! 
Aug 31 21:35:50.343 INFO kablam! warning: unused variable: `b`
Aug 31 21:35:50.343 INFO kablam!    --> tests/bench_build_tree.rs:518:33
Aug 31 21:35:50.343 INFO kablam!     |
Aug 31 21:35:50.343 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Aug 31 21:35:50.343 INFO kablam!     |                                 ^ help: consider using `_b` instead
Aug 31 21:35:50.343 INFO kablam! 
Aug 31 21:35:50.454 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.47s
Aug 31 21:35:50.467 INFO kablam! su: No module specific data is present
Aug 31 21:35:50.901 INFO running `"docker" "rm" "-f" "102faa8c1ea01b2062383661774ba6c41cccc45d87cd4f5013f2a697e3270cc3"`
Aug 31 21:35:51.008 INFO blam! 102faa8c1ea01b2062383661774ba6c41cccc45d87cd4f5013f2a697e3270cc3