[INFO] crate ckb-merkle-mountain-range 0.17.0-pre is already in cache
[INFO] testing ckb-merkle-mountain-range-0.17.0-pre against 1.38.0 for beta-1.39-1
[INFO] extracting crate ckb-merkle-mountain-range 0.17.0-pre into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate ckb-merkle-mountain-range 0.17.0-pre on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ckb-merkle-mountain-range 0.17.0-pre
[INFO] finished tweaking crates.io crate ckb-merkle-mountain-range 0.17.0-pre
[INFO] tweaked toml for crates.io crate ckb-merkle-mountain-range 0.17.0-pre written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 69804ef3fa7c13fb8050b7012b0c2af30eb9a3006e68ac17e4bf8820adde12b9
[INFO] running `"docker" "start" "-a" "69804ef3fa7c13fb8050b7012b0c2af30eb9a3006e68ac17e4bf8820adde12b9"`
[INFO] [stderr]    Compiling ckb-merkle-mountain-range v0.17.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "69804ef3fa7c13fb8050b7012b0c2af30eb9a3006e68ac17e4bf8820adde12b9"`
[INFO] running `"docker" "rm" "-f" "69804ef3fa7c13fb8050b7012b0c2af30eb9a3006e68ac17e4bf8820adde12b9"`
[INFO] [stdout] 69804ef3fa7c13fb8050b7012b0c2af30eb9a3006e68ac17e4bf8820adde12b9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] aafe8a073909dd621a78c3985a54cf9b250fc3c545fe6a2ef35b010d17945400
[INFO] running `"docker" "start" "-a" "aafe8a073909dd621a78c3985a54cf9b250fc3c545fe6a2ef35b010d17945400"`
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling proptest v0.9.4
[INFO] [stderr]    Compiling ckb-merkle-mountain-range v0.17.0-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.87s
[INFO] running `"docker" "inspect" "aafe8a073909dd621a78c3985a54cf9b250fc3c545fe6a2ef35b010d17945400"`
[INFO] running `"docker" "rm" "-f" "aafe8a073909dd621a78c3985a54cf9b250fc3c545fe6a2ef35b010d17945400"`
[INFO] [stdout] aafe8a073909dd621a78c3985a54cf9b250fc3c545fe6a2ef35b010d17945400
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] b03c3fe2476a10deb12ee906ffc686d8b0bb8605880be76d7bc2a7105668349e
[INFO] running `"docker" "start" "-a" "b03c3fe2476a10deb12ee906ffc686d8b0bb8605880be76d7bc2a7105668349e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ckb_merkle_mountain_range-01a6f989a3a969e7
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_mmr::test_mmr_1_elem ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_1_peak ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_elems ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_peaks ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_3_peaks ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_last_elem_proof ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_first_elem_proof ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_root ... ok
[INFO] [stdout] test tests::test_accumulate_headers::test_insert_header ... ok
[INFO] [stdout] test tests::test_mmr::test_leaf_index_to_pos ... ok
[INFO] [stdout] test tests::test_mmr::test_random_mmr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ckb-merkle-mountain-range
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b03c3fe2476a10deb12ee906ffc686d8b0bb8605880be76d7bc2a7105668349e"`
[INFO] running `"docker" "rm" "-f" "b03c3fe2476a10deb12ee906ffc686d8b0bb8605880be76d7bc2a7105668349e"`
[INFO] [stdout] b03c3fe2476a10deb12ee906ffc686d8b0bb8605880be76d7bc2a7105668349e