Sep 04 11:03:32.436 INFO checking merkle_tree-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 11:03:32.436 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 11:03:32.436 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 11:03:32.678 INFO blam! 8c3bb27a628fbde6a110381da9df6b87a5a363e6e47eb6169c90dc8554482e87
Sep 04 11:03:32.680 INFO running `"docker" "start" "-a" "8c3bb27a628fbde6a110381da9df6b87a5a363e6e47eb6169c90dc8554482e87"`
Sep 04 11:03:33.420 INFO kablam!     Checking hex-slice v0.1.4
Sep 04 11:03:33.601 INFO kablam!     Checking merkle_tree v0.1.0 (file:///source)
Sep 04 11:03:38.141 INFO kablam! warning: unused import: `self::crypto::sha2::Sha256`
Sep 04 11:03:38.141 INFO kablam!   --> tests/bench_append.rs:13:9
Sep 04 11:03:38.141 INFO kablam!    |
Sep 04 11:03:38.141 INFO kablam! 13 |     use self::crypto::sha2::Sha256;
Sep 04 11:03:38.141 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:03:38.141 INFO kablam!    |
Sep 04 11:03:38.141 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 04 11:03:38.141 INFO kablam! 
Sep 04 11:03:38.141 INFO kablam! warning: unused import: `self::crypto::digest::Digest`
Sep 04 11:03:38.141 INFO kablam!   --> tests/bench_append.rs:14:9
Sep 04 11:03:38.141 INFO kablam!    |
Sep 04 11:03:38.142 INFO kablam! 14 |     use self::crypto::digest::Digest;
Sep 04 11:03:38.142 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:03:38.142 INFO kablam! 
Sep 04 11:03:38.348 INFO kablam! warning: unused variable: `a`
Sep 04 11:03:38.348 INFO kablam!    --> tests/bench_build_tree.rs:518:30
Sep 04 11:03:38.348 INFO kablam!     |
Sep 04 11:03:38.348 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 04 11:03:38.348 INFO kablam!     |                              ^ help: consider using `_a` instead
Sep 04 11:03:38.348 INFO kablam!     |
Sep 04 11:03:38.348 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 04 11:03:38.348 INFO kablam! 
Sep 04 11:03:38.348 INFO kablam! warning: unused variable: `b`
Sep 04 11:03:38.348 INFO kablam!    --> tests/bench_build_tree.rs:518:33
Sep 04 11:03:38.348 INFO kablam!     |
Sep 04 11:03:38.348 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 04 11:03:38.348 INFO kablam!     |                                 ^ help: consider using `_b` instead
Sep 04 11:03:38.348 INFO kablam! 
Sep 04 11:03:38.507 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.23s
Sep 04 11:03:38.515 INFO kablam! su: No module specific data is present
Sep 04 11:03:39.012 INFO running `"docker" "rm" "-f" "8c3bb27a628fbde6a110381da9df6b87a5a363e6e47eb6169c90dc8554482e87"`
Sep 04 11:03:39.099 INFO blam! 8c3bb27a628fbde6a110381da9df6b87a5a363e6e47eb6169c90dc8554482e87