Sep 10 14:41:26.413 INFO checking merkle_tree-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:41:26.413 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:41:26.413 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:41:26.543 INFO blam! dc8f9da245c763e88387602e952c2dae9d2f3595a6b7cb4bc0d22b457c4baf31
Sep 10 14:41:26.545 INFO running `"docker" "start" "-a" "dc8f9da245c763e88387602e952c2dae9d2f3595a6b7cb4bc0d22b457c4baf31"`
Sep 10 14:41:27.612 INFO kablam! usermod: no changes
Sep 10 14:41:27.697 INFO kablam!     Checking hex-slice v0.1.4
Sep 10 14:41:27.699 INFO kablam!     Checking rayon v0.7.1
Sep 10 14:41:29.441 INFO kablam!     Checking merkle_tree v0.1.0 (file:///source)
Sep 10 14:41:31.330 INFO kablam! warning: unused import: `self::crypto::sha2::Sha256`
Sep 10 14:41:31.330 INFO kablam!   --> tests/bench_append.rs:13:9
Sep 10 14:41:31.330 INFO kablam!    |
Sep 10 14:41:31.330 INFO kablam! 13 |     use self::crypto::sha2::Sha256;
Sep 10 14:41:31.330 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:41:31.330 INFO kablam!    |
Sep 10 14:41:31.330 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 10 14:41:31.330 INFO kablam! 
Sep 10 14:41:31.330 INFO kablam! warning: unused import: `self::crypto::digest::Digest`
Sep 10 14:41:31.330 INFO kablam!   --> tests/bench_append.rs:14:9
Sep 10 14:41:31.330 INFO kablam!    |
Sep 10 14:41:31.330 INFO kablam! 14 |     use self::crypto::digest::Digest;
Sep 10 14:41:31.330 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:41:31.330 INFO kablam! 
Sep 10 14:41:31.662 INFO kablam! warning: unused variable: `a`
Sep 10 14:41:31.662 INFO kablam!    --> tests/bench_build_tree.rs:518:30
Sep 10 14:41:31.662 INFO kablam!     |
Sep 10 14:41:31.662 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 10 14:41:31.662 INFO kablam!     |                              ^ help: consider using `_a` instead
Sep 10 14:41:31.662 INFO kablam!     |
Sep 10 14:41:31.662 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 14:41:31.662 INFO kablam! 
Sep 10 14:41:31.662 INFO kablam! warning: unused variable: `b`
Sep 10 14:41:31.662 INFO kablam!    --> tests/bench_build_tree.rs:518:33
Sep 10 14:41:31.662 INFO kablam!     |
Sep 10 14:41:31.662 INFO kablam! 518 |             (0..n).fold((), |a, b| {
Sep 10 14:41:31.662 INFO kablam!     |                                 ^ help: consider using `_b` instead
Sep 10 14:41:31.662 INFO kablam! 
Sep 10 14:41:31.815 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
Sep 10 14:41:31.830 INFO kablam! su: No module specific data is present
Sep 10 14:41:32.936 INFO running `"docker" "rm" "-f" "dc8f9da245c763e88387602e952c2dae9d2f3595a6b7cb4bc0d22b457c4baf31"`
Sep 10 14:41:33.048 INFO blam! dc8f9da245c763e88387602e952c2dae9d2f3595a6b7cb4bc0d22b457c4baf31