[INFO] updating cached repository elpiel/adex-merkle-tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elpiel/adex-merkle-tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elpiel/adex-merkle-tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/elpiel/adex-merkle-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/elpiel/adex-merkle-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elpiel/adex-merkle-tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elpiel/adex-merkle-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elpiel/adex-merkle-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3fb37f5213bbf6a135fa834bf99f1cfc990fdd9
[INFO] sha for GitHub repo elpiel/adex-merkle-tree: e3fb37f5213bbf6a135fa834bf99f1cfc990fdd9
[INFO] validating manifest of elpiel/adex-merkle-tree on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elpiel/adex-merkle-tree on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elpiel/adex-merkle-tree
[INFO] finished frobbing elpiel/adex-merkle-tree
[INFO] frobbed toml for elpiel/adex-merkle-tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/elpiel/adex-merkle-tree/Cargo.toml
[INFO] started frobbing elpiel/adex-merkle-tree
[INFO] finished frobbing elpiel/adex-merkle-tree
[INFO] frobbed toml for elpiel/adex-merkle-tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elpiel/adex-merkle-tree/Cargo.toml
[INFO] crate elpiel/adex-merkle-tree already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing elpiel/adex-merkle-tree against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/elpiel/adex-merkle-tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9191ab7ad2a9c8a8da7b4ae17a9333522d4483337fe8020f754175cefa0bebf9
[INFO] running `"docker" "start" "-a" "9191ab7ad2a9c8a8da7b4ae17a9333522d4483337fe8020f754175cefa0bebf9"`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling merkletree v0.6.0
[INFO] [stderr]    Compiling merkle-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.34s
[INFO] running `"docker" "inspect" "9191ab7ad2a9c8a8da7b4ae17a9333522d4483337fe8020f754175cefa0bebf9"`
[INFO] running `"docker" "rm" "-f" "9191ab7ad2a9c8a8da7b4ae17a9333522d4483337fe8020f754175cefa0bebf9"`
[INFO] [stdout] 9191ab7ad2a9c8a8da7b4ae17a9333522d4483337fe8020f754175cefa0bebf9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/elpiel/adex-merkle-tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 185d46d62e0989c688cd8861279c8a80f6670b7c3a91236f2fb32e0f172b94d6
[INFO] running `"docker" "start" "-a" "185d46d62e0989c688cd8861279c8a80f6670b7c3a91236f2fb32e0f172b94d6"`
[INFO] [stderr]    Compiling merkle-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "185d46d62e0989c688cd8861279c8a80f6670b7c3a91236f2fb32e0f172b94d6"`
[INFO] running `"docker" "rm" "-f" "185d46d62e0989c688cd8861279c8a80f6670b7c3a91236f2fb32e0f172b94d6"`
[INFO] [stdout] 185d46d62e0989c688cd8861279c8a80f6670b7c3a91236f2fb32e0f172b94d6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/elpiel/adex-merkle-tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] af7f123dbe58df35c9e28e12c41ff4f5e5e758e96687b0d4be5ea0041bee528e
[INFO] running `"docker" "start" "-a" "af7f123dbe58df35c9e28e12c41ff4f5e5e758e96687b0d4be5ea0041bee528e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/merkle_tree-71cfd02d8d8642d1
[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" "af7f123dbe58df35c9e28e12c41ff4f5e5e758e96687b0d4be5ea0041bee528e"`
[INFO] running `"docker" "rm" "-f" "af7f123dbe58df35c9e28e12c41ff4f5e5e758e96687b0d4be5ea0041bee528e"`
[INFO] [stdout] af7f123dbe58df35c9e28e12c41ff4f5e5e758e96687b0d4be5ea0041bee528e