Sep 02 07:40:03.811 INFO checking merkle_tree-0.1.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 07:40:03.811 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 07:40:03.811 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 07:40:04.055 INFO blam! 5df520f3e906378f5e5b3159930ced3e586d68d74481ab565dde8d082f13e3a9
Sep 02 07:40:04.057 INFO running `"docker" "start" "-a" "5df520f3e906378f5e5b3159930ced3e586d68d74481ab565dde8d082f13e3a9"`
Sep 02 07:40:04.896 INFO kablam!     Checking merkle_tree v0.1.0 (file:///source)
Sep 02 07:40:09.538 INFO kablam! warning: unused import: `self::crypto::sha2::Sha256`
Sep 02 07:40:09.538 INFO kablam!   --> tests/bench_append.rs:13:9
Sep 02 07:40:09.538 INFO kablam!    |
Sep 02 07:40:09.538 INFO kablam! 13 |     use self::crypto::sha2::Sha256;
Sep 02 07:40:09.538 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 07:40:09.538 INFO kablam!    |
Sep 02 07:40:09.538 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 07:40:09.538 INFO kablam! 
Sep 02 07:40:09.538 INFO kablam! warning: unused import: `self::crypto::digest::Digest`
Sep 02 07:40:09.538 INFO kablam!   --> tests/bench_append.rs:14:9
Sep 02 07:40:09.538 INFO kablam!    |
Sep 02 07:40:09.538 INFO kablam! 14 |     use self::crypto::digest::Digest;
Sep 02 07:40:09.538 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 07:40:09.538 INFO kablam! 
Sep 02 07:40:10.074 INFO kablam! warning: unused variable: `a`
Sep 02 07:40:10.074 INFO kablam!    --> tests/bench_build_tree.rs:518:30
Sep 02 07:40:10.074 INFO kablam!     |
Sep 02 07:40:10.074 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 02 07:40:10.075 INFO kablam!     |                              ^ help: consider using `_a` instead
Sep 02 07:40:10.075 INFO kablam!     |
Sep 02 07:40:10.075 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 07:40:10.075 INFO kablam! 
Sep 02 07:40:10.075 INFO kablam! warning: unused variable: `b`
Sep 02 07:40:10.075 INFO kablam!    --> tests/bench_build_tree.rs:518:33
Sep 02 07:40:10.075 INFO kablam!     |
Sep 02 07:40:10.075 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 02 07:40:10.075 INFO kablam!     |                                 ^ help: consider using `_b` instead
Sep 02 07:40:10.075 INFO kablam! 
Sep 02 07:40:10.185 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
Sep 02 07:40:10.192 INFO kablam! su: No module specific data is present
Sep 02 07:40:10.555 INFO running `"docker" "rm" "-f" "5df520f3e906378f5e5b3159930ced3e586d68d74481ab565dde8d082f13e3a9"`
Sep 02 07:40:10.665 INFO blam! 5df520f3e906378f5e5b3159930ced3e586d68d74481ab565dde8d082f13e3a9