Dec 15 04:54:33.666 INFO testing merkle-generator-0.2.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 04:54:33.666 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 15 04:54:33.941 INFO [stdout] 846bb63c08b6d380635f65918fdfcbc3043d7d2e38eb88134ded1e04d0d5d744
Dec 15 04:54:33.943 INFO running `"docker" "start" "-a" "846bb63c08b6d380635f65918fdfcbc3043d7d2e38eb88134ded1e04d0d5d744"`
Dec 15 04:54:34.919 INFO [stderr] usermod: no changes
Dec 15 04:54:35.063 INFO [stderr]    Compiling flat-tree v1.1.0
Dec 15 04:54:35.075 INFO [stderr]    Compiling ring v0.9.7
Dec 15 04:54:42.243 INFO [stderr]    Compiling merkle-generator v0.2.0 (/source)
Dec 15 04:54:43.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
Dec 15 04:54:43.356 INFO [stderr] su: No module specific data is present
Dec 15 04:54:44.031 INFO running `"docker" "inspect" "846bb63c08b6d380635f65918fdfcbc3043d7d2e38eb88134ded1e04d0d5d744"`
Dec 15 04:54:44.235 INFO running `"docker" "rm" "-f" "846bb63c08b6d380635f65918fdfcbc3043d7d2e38eb88134ded1e04d0d5d744"`
Dec 15 04:54:44.414 INFO [stdout] 846bb63c08b6d380635f65918fdfcbc3043d7d2e38eb88134ded1e04d0d5d744
Dec 15 04:54:44.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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"`
Dec 15 04:54:44.675 INFO [stdout] f8e9b70c521ac090e4eb5069b5fe0279f445e9fc7c6ad0395f2963a9fe9c621c
Dec 15 04:54:44.675 INFO running `"docker" "start" "-a" "f8e9b70c521ac090e4eb5069b5fe0279f445e9fc7c6ad0395f2963a9fe9c621c"`
Dec 15 04:54:45.834 INFO [stderr] usermod: no changes
Dec 15 04:54:45.904 INFO [stderr]    Compiling merkle-generator v0.2.0 (/source)
Dec 15 04:54:46.918 INFO [stderr] warning: unused variable: `roots`
Dec 15 04:54:46.919 INFO [stderr]    --> src/lib.rs:142:26
Dec 15 04:54:46.919 INFO [stderr]     |
Dec 15 04:54:46.919 INFO [stderr] 142 |     fn leaf(leaf: &Node, roots: &Vec<Node>) -> Vec<u8> {
Dec 15 04:54:46.919 INFO [stderr]     |                          ^^^^^ help: consider using `_roots` instead
Dec 15 04:54:46.919 INFO [stderr]     |
Dec 15 04:54:46.919 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 04:54:46.919 INFO [stderr] 
Dec 15 04:54:47.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
Dec 15 04:54:47.664 INFO [stderr] su: No module specific data is present
Dec 15 04:54:48.711 INFO running `"docker" "inspect" "f8e9b70c521ac090e4eb5069b5fe0279f445e9fc7c6ad0395f2963a9fe9c621c"`
Dec 15 04:54:48.932 INFO running `"docker" "rm" "-f" "f8e9b70c521ac090e4eb5069b5fe0279f445e9fc7c6ad0395f2963a9fe9c621c"`
Dec 15 04:54:49.102 INFO [stdout] f8e9b70c521ac090e4eb5069b5fe0279f445e9fc7c6ad0395f2963a9fe9c621c
Dec 15 04:54:49.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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"`
Dec 15 04:54:49.475 INFO [stdout] eb9434ea1d530a87195716b4ea2857924a9707519c4ccfa481298c15a1801c9d
Dec 15 04:54:49.480 INFO running `"docker" "start" "-a" "eb9434ea1d530a87195716b4ea2857924a9707519c4ccfa481298c15a1801c9d"`
Dec 15 04:54:50.787 INFO [stderr] usermod: no changes
Dec 15 04:54:50.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Dec 15 04:54:50.931 INFO [stderr]      Running /target/debug/deps/merkle_generator-f509941e2d633666
Dec 15 04:54:50.944 INFO [stdout] 
Dec 15 04:54:50.944 INFO [stdout] running 3 tests
Dec 15 04:54:50.944 INFO [stdout] test tests::gen1 ... ok
Dec 15 04:54:50.944 INFO [stdout] test tests::gen2 ... ok
Dec 15 04:54:50.945 INFO [stdout] test tests::multiple_roots ... ok
Dec 15 04:54:50.945 INFO [stdout] 
Dec 15 04:54:50.945 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 04:54:50.945 INFO [stdout] 
Dec 15 04:54:50.947 INFO [stderr]    Doc-tests merkle-generator
Dec 15 04:54:52.423 INFO [stdout] 
Dec 15 04:54:52.423 INFO [stdout] running 0 tests
Dec 15 04:54:52.423 INFO [stdout] 
Dec 15 04:54:52.423 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 04:54:52.423 INFO [stdout] 
Dec 15 04:54:52.435 INFO [stderr] su: No module specific data is present
Dec 15 04:54:53.503 INFO running `"docker" "inspect" "eb9434ea1d530a87195716b4ea2857924a9707519c4ccfa481298c15a1801c9d"`
Dec 15 04:54:53.813 INFO running `"docker" "rm" "-f" "eb9434ea1d530a87195716b4ea2857924a9707519c4ccfa481298c15a1801c9d"`
Dec 15 04:54:54.062 INFO [stdout] eb9434ea1d530a87195716b4ea2857924a9707519c4ccfa481298c15a1801c9d