Sep 19 22:23:33.189 INFO checking merkle_tree-0.1.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 22:23:33.189 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 22:23:33.190 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:23:33.436 INFO blam! 3fa8ab58d2843c53efb0c12b7f6f61d4c172c2a8397d8d72bfd904add5c9f684
Sep 19 22:23:33.443 INFO running `"docker" "start" "-a" "3fa8ab58d2843c53efb0c12b7f6f61d4c172c2a8397d8d72bfd904add5c9f684"`
Sep 19 22:23:34.574 INFO kablam! usermod: no changes
Sep 19 22:23:34.839 INFO kablam!     Checking rayon v0.7.1
Sep 19 22:23:37.127 INFO kablam!     Checking merkle_tree v0.1.0 (/source)
Sep 19 22:23:39.769 INFO kablam! warning: unused import: `self::crypto::sha2::Sha256`
Sep 19 22:23:39.769 INFO kablam!   --> tests/bench_append.rs:13:9
Sep 19 22:23:39.769 INFO kablam!    |
Sep 19 22:23:39.769 INFO kablam! 13 |     use self::crypto::sha2::Sha256;
Sep 19 22:23:39.769 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 22:23:39.769 INFO kablam!    |
Sep 19 22:23:39.769 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 19 22:23:39.769 INFO kablam! 
Sep 19 22:23:39.769 INFO kablam! warning: unused import: `self::crypto::digest::Digest`
Sep 19 22:23:39.769 INFO kablam!   --> tests/bench_append.rs:14:9
Sep 19 22:23:39.769 INFO kablam!    |
Sep 19 22:23:39.769 INFO kablam! 14 |     use self::crypto::digest::Digest;
Sep 19 22:23:39.769 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 22:23:39.769 INFO kablam! 
Sep 19 22:23:39.999 INFO kablam! warning: unused variable: `a`
Sep 19 22:23:39.999 INFO kablam!    --> tests/bench_build_tree.rs:518:30
Sep 19 22:23:39.999 INFO kablam!     |
Sep 19 22:23:39.999 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 19 22:23:39.999 INFO kablam!     |                              ^ help: consider using `_a` instead
Sep 19 22:23:39.999 INFO kablam!     |
Sep 19 22:23:39.999 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 19 22:23:39.999 INFO kablam! 
Sep 19 22:23:39.999 INFO kablam! warning: unused variable: `b`
Sep 19 22:23:39.999 INFO kablam!    --> tests/bench_build_tree.rs:518:33
Sep 19 22:23:39.999 INFO kablam!     |
Sep 19 22:23:39.999 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 19 22:23:39.999 INFO kablam!     |                                 ^ help: consider using `_b` instead
Sep 19 22:23:39.999 INFO kablam! 
Sep 19 22:23:40.100 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.50s
Sep 19 22:23:40.115 INFO kablam! su: No module specific data is present
Sep 19 22:23:40.681 INFO running `"docker" "rm" "-f" "3fa8ab58d2843c53efb0c12b7f6f61d4c172c2a8397d8d72bfd904add5c9f684"`
Sep 19 22:23:40.819 INFO blam! 3fa8ab58d2843c53efb0c12b7f6f61d4c172c2a8397d8d72bfd904add5c9f684