Sep 14 13:13:48.077 INFO checking merkle_tree-0.1.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 13:13:48.077 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 13:13:48.077 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-6/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 13:13:48.371 INFO blam! 62d23eec84dbf5c2827243da1501d96ba24fcb05de98ee6ca4107c95ca512c15
Sep 14 13:13:48.373 INFO running `"docker" "start" "-a" "62d23eec84dbf5c2827243da1501d96ba24fcb05de98ee6ca4107c95ca512c15"`
Sep 14 13:13:49.612 INFO kablam! usermod: no changes
Sep 14 13:13:49.803 INFO kablam!     Checking hex-slice v0.1.4
Sep 14 13:13:49.807 INFO kablam!     Checking rmp-serde v0.13.7
Sep 14 13:13:49.807 INFO kablam!     Checking rayon v0.7.1
Sep 14 13:13:52.524 INFO kablam!     Checking merkle_tree v0.1.0 (file:///source)
Sep 14 13:13:54.958 INFO kablam! warning: unused import: `self::crypto::sha2::Sha256`
Sep 14 13:13:54.958 INFO kablam!   --> tests/bench_append.rs:13:9
Sep 14 13:13:54.958 INFO kablam!    |
Sep 14 13:13:54.958 INFO kablam! 13 |     use self::crypto::sha2::Sha256;
Sep 14 13:13:54.958 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:13:54.963 INFO kablam!    |
Sep 14 13:13:54.963 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 14 13:13:54.963 INFO kablam! 
Sep 14 13:13:54.963 INFO kablam! warning: unused import: `self::crypto::digest::Digest`
Sep 14 13:13:54.963 INFO kablam!   --> tests/bench_append.rs:14:9
Sep 14 13:13:54.963 INFO kablam!    |
Sep 14 13:13:54.963 INFO kablam! 14 |     use self::crypto::digest::Digest;
Sep 14 13:13:54.963 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 13:13:54.963 INFO kablam! 
Sep 14 13:13:55.490 INFO kablam! warning: unused variable: `a`
Sep 14 13:13:55.490 INFO kablam!    --> tests/bench_build_tree.rs:518:30
Sep 14 13:13:55.490 INFO kablam!     |
Sep 14 13:13:55.490 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 14 13:13:55.490 INFO kablam!     |                              ^ help: consider using `_a` instead
Sep 14 13:13:55.490 INFO kablam!     |
Sep 14 13:13:55.490 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 13:13:55.490 INFO kablam! 
Sep 14 13:13:55.490 INFO kablam! warning: unused variable: `b`
Sep 14 13:13:55.490 INFO kablam!    --> tests/bench_build_tree.rs:518:33
Sep 14 13:13:55.490 INFO kablam!     |
Sep 14 13:13:55.490 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 14 13:13:55.490 INFO kablam!     |                                 ^ help: consider using `_b` instead
Sep 14 13:13:55.490 INFO kablam! 
Sep 14 13:13:55.584 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
Sep 14 13:13:55.592 INFO kablam! su: No module specific data is present
Sep 14 13:13:56.231 INFO running `"docker" "rm" "-f" "62d23eec84dbf5c2827243da1501d96ba24fcb05de98ee6ca4107c95ca512c15"`
Sep 14 13:13:56.434 INFO blam! 62d23eec84dbf5c2827243da1501d96ba24fcb05de98ee6ca4107c95ca512c15