Nov 30 19:33:01.296 INFO checking merkle_tree-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:33:01.296 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 19:33:01.663 INFO [stdout] 23140c6efad3294ac84ea68e8f01e3e68463be7ff54d00db9fefe0a6c991ec1a
Nov 30 19:33:01.670 INFO running `"docker" "start" "-a" "23140c6efad3294ac84ea68e8f01e3e68463be7ff54d00db9fefe0a6c991ec1a"`
Nov 30 19:33:02.608 INFO [stderr] usermod: no changes
Nov 30 19:33:02.804 INFO [stderr]     Checking hex-slice v0.1.4
Nov 30 19:33:02.820 INFO [stderr]     Checking bincode v0.8.0
Nov 30 19:33:02.820 INFO [stderr]     Checking rayon v0.7.1
Nov 30 19:33:06.410 INFO [stderr]     Checking merkle_tree v0.1.0 (/source)
Nov 30 19:33:14.052 INFO [stderr] warning: unused import: `self::crypto::sha2::Sha256`
Nov 30 19:33:14.052 INFO [stderr]   --> tests/bench_append.rs:13:9
Nov 30 19:33:14.052 INFO [stderr]    |
Nov 30 19:33:14.052 INFO [stderr] 13 |     use self::crypto::sha2::Sha256;
Nov 30 19:33:14.052 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:33:14.052 INFO [stderr]    |
Nov 30 19:33:14.052 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 19:33:14.052 INFO [stderr] 
Nov 30 19:33:14.052 INFO [stderr] warning: unused import: `self::crypto::digest::Digest`
Nov 30 19:33:14.052 INFO [stderr]   --> tests/bench_append.rs:14:9
Nov 30 19:33:14.052 INFO [stderr]    |
Nov 30 19:33:14.052 INFO [stderr] 14 |     use self::crypto::digest::Digest;
Nov 30 19:33:14.052 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:33:14.052 INFO [stderr] 
Nov 30 19:33:15.104 INFO [stderr] warning: unused variable: `a`
Nov 30 19:33:15.104 INFO [stderr]    --> tests/bench_build_tree.rs:518:30
Nov 30 19:33:15.104 INFO [stderr]     |
Nov 30 19:33:15.104 INFO [stderr] 518 |             (0..n).fold((), |a, b| {
Nov 30 19:33:15.104 INFO [stderr]     |                              ^ help: consider using `_a` instead
Nov 30 19:33:15.104 INFO [stderr]     |
Nov 30 19:33:15.104 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 19:33:15.104 INFO [stderr] 
Nov 30 19:33:15.104 INFO [stderr] warning: unused variable: `b`
Nov 30 19:33:15.104 INFO [stderr]    --> tests/bench_build_tree.rs:518:33
Nov 30 19:33:15.104 INFO [stderr]     |
Nov 30 19:33:15.104 INFO [stderr] 518 |             (0..n).fold((), |a, b| {
Nov 30 19:33:15.104 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Nov 30 19:33:15.104 INFO [stderr] 
Nov 30 19:33:15.197 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.55s
Nov 30 19:33:15.204 INFO [stderr] su: No module specific data is present
Nov 30 19:33:15.988 INFO running `"docker" "inspect" "23140c6efad3294ac84ea68e8f01e3e68463be7ff54d00db9fefe0a6c991ec1a"`
Nov 30 19:33:16.202 INFO running `"docker" "rm" "-f" "23140c6efad3294ac84ea68e8f01e3e68463be7ff54d00db9fefe0a6c991ec1a"`
Nov 30 19:33:16.556 INFO [stdout] 23140c6efad3294ac84ea68e8f01e3e68463be7ff54d00db9fefe0a6c991ec1a