Nov 28 22:08:28.475 INFO checking merkle_tree-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 22:08:28.476 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 22:08:28.799 INFO [stdout] f48969348a3555a09213ef52c8dd2dd91636f048f31d9711f18fb292d0e2767a
Nov 28 22:08:28.806 INFO running `"docker" "start" "-a" "f48969348a3555a09213ef52c8dd2dd91636f048f31d9711f18fb292d0e2767a"`
Nov 28 22:08:29.548 INFO [stderr] usermod: no changes
Nov 28 22:08:29.721 INFO [stderr]     Checking hex-slice v0.1.4
Nov 28 22:08:29.721 INFO [stderr]     Checking rmp-serde v0.13.7
Nov 28 22:08:29.723 INFO [stderr]     Checking rayon v0.7.1
Nov 28 22:08:33.685 INFO [stderr]     Checking merkle_tree v0.1.0 (/source)
Nov 28 22:08:40.768 INFO [stderr] warning: unused variable: `a`
Nov 28 22:08:40.768 INFO [stderr]    --> tests/bench_build_tree.rs:518:30
Nov 28 22:08:40.768 INFO [stderr]     |
Nov 28 22:08:40.768 INFO [stderr] 518 |             (0..n).fold((), |a, b| {
Nov 28 22:08:40.768 INFO [stderr]     |                              ^ help: consider using `_a` instead
Nov 28 22:08:40.768 INFO [stderr]     |
Nov 28 22:08:40.768 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 22:08:40.768 INFO [stderr] 
Nov 28 22:08:40.768 INFO [stderr] warning: unused variable: `b`
Nov 28 22:08:40.768 INFO [stderr]    --> tests/bench_build_tree.rs:518:33
Nov 28 22:08:40.768 INFO [stderr]     |
Nov 28 22:08:40.768 INFO [stderr] 518 |             (0..n).fold((), |a, b| {
Nov 28 22:08:40.768 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Nov 28 22:08:40.768 INFO [stderr] 
Nov 28 22:08:41.236 INFO [stderr] warning: unused import: `self::crypto::sha2::Sha256`
Nov 28 22:08:41.236 INFO [stderr]   --> tests/bench_append.rs:13:9
Nov 28 22:08:41.236 INFO [stderr]    |
Nov 28 22:08:41.236 INFO [stderr] 13 |     use self::crypto::sha2::Sha256;
Nov 28 22:08:41.236 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:08:41.236 INFO [stderr]    |
Nov 28 22:08:41.236 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 22:08:41.236 INFO [stderr] 
Nov 28 22:08:41.236 INFO [stderr] warning: unused import: `self::crypto::digest::Digest`
Nov 28 22:08:41.236 INFO [stderr]   --> tests/bench_append.rs:14:9
Nov 28 22:08:41.236 INFO [stderr]    |
Nov 28 22:08:41.236 INFO [stderr] 14 |     use self::crypto::digest::Digest;
Nov 28 22:08:41.236 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:08:41.236 INFO [stderr] 
Nov 28 22:08:41.340 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.75s
Nov 28 22:08:41.344 INFO [stderr] su: No module specific data is present
Nov 28 22:08:42.216 INFO running `"docker" "inspect" "f48969348a3555a09213ef52c8dd2dd91636f048f31d9711f18fb292d0e2767a"`
Nov 28 22:08:42.542 INFO running `"docker" "rm" "-f" "f48969348a3555a09213ef52c8dd2dd91636f048f31d9711f18fb292d0e2767a"`
Nov 28 22:08:42.810 INFO [stdout] f48969348a3555a09213ef52c8dd2dd91636f048f31d9711f18fb292d0e2767a