Nov 28 22:08:29.197 INFO checking merkle_tree-0.1.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 22:08:29.198 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 22:08:29.457 INFO [stdout] f342869f1af31d07e89720dbd5f877ba909c6799e25ee438576623d51fb255f4
Nov 28 22:08:29.459 INFO running `"docker" "start" "-a" "f342869f1af31d07e89720dbd5f877ba909c6799e25ee438576623d51fb255f4"`
Nov 28 22:08:30.552 INFO [stderr] usermod: no changes
Nov 28 22:08:30.688 INFO [stderr]     Checking merkle_tree v0.1.0 (/source)
Nov 28 22:08:37.548 INFO [stderr] warning: unused variable: `a`
Nov 28 22:08:37.548 INFO [stderr]    --> tests/bench_build_tree.rs:518:30
Nov 28 22:08:37.548 INFO [stderr]     |
Nov 28 22:08:37.548 INFO [stderr] 518 |             (0..n).fold((), |a, b| {
Nov 28 22:08:37.548 INFO [stderr]     |                              ^ help: consider using `_a` instead
Nov 28 22:08:37.548 INFO [stderr]     |
Nov 28 22:08:37.548 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 22:08:37.548 INFO [stderr] 
Nov 28 22:08:37.548 INFO [stderr] warning: unused variable: `b`
Nov 28 22:08:37.548 INFO [stderr]    --> tests/bench_build_tree.rs:518:33
Nov 28 22:08:37.548 INFO [stderr]     |
Nov 28 22:08:37.548 INFO [stderr] 518 |             (0..n).fold((), |a, b| {
Nov 28 22:08:37.548 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Nov 28 22:08:37.548 INFO [stderr] 
Nov 28 22:08:37.905 INFO [stderr] warning: unused import: `self::crypto::sha2::Sha256`
Nov 28 22:08:37.905 INFO [stderr]   --> tests/bench_append.rs:13:9
Nov 28 22:08:37.905 INFO [stderr]    |
Nov 28 22:08:37.906 INFO [stderr] 13 |     use self::crypto::sha2::Sha256;
Nov 28 22:08:37.906 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:08:37.906 INFO [stderr]    |
Nov 28 22:08:37.907 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 22:08:37.907 INFO [stderr] 
Nov 28 22:08:37.907 INFO [stderr] warning: unused import: `self::crypto::digest::Digest`
Nov 28 22:08:37.907 INFO [stderr]   --> tests/bench_append.rs:14:9
Nov 28 22:08:37.908 INFO [stderr]    |
Nov 28 22:08:37.908 INFO [stderr] 14 |     use self::crypto::digest::Digest;
Nov 28 22:08:37.908 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:08:37.908 INFO [stderr] 
Nov 28 22:08:38.318 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.74s
Nov 28 22:08:38.339 INFO [stderr] su: No module specific data is present
Nov 28 22:08:38.926 INFO running `"docker" "inspect" "f342869f1af31d07e89720dbd5f877ba909c6799e25ee438576623d51fb255f4"`
Nov 28 22:08:39.070 INFO running `"docker" "rm" "-f" "f342869f1af31d07e89720dbd5f877ba909c6799e25ee438576623d51fb255f4"`
Nov 28 22:08:39.331 INFO [stdout] f342869f1af31d07e89720dbd5f877ba909c6799e25ee438576623d51fb255f4