[INFO] crate merkle 1.11.0 is already in cache
[INFO] extracting crate merkle 1.11.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/merkle/1.11.0
[INFO] extracting crate merkle 1.11.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/merkle/1.11.0
[INFO] validating manifest of merkle-1.11.0 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 merkle-1.11.0 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 merkle-1.11.0
[INFO] finished frobbing merkle-1.11.0
[INFO] frobbed toml for merkle-1.11.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/merkle/1.11.0/Cargo.toml
[INFO] started frobbing merkle-1.11.0
[INFO] finished frobbing merkle-1.11.0
[INFO] frobbed toml for merkle-1.11.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/merkle/1.11.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 merkle-1.11.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/merkle/1.11.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 15c1052f5ce40c687981c3ee7259c7adf9b20484762ef16c9a7f26e7b52f5ac4
[INFO] running `"docker" "start" "-a" "15c1052f5ce40c687981c3ee7259c7adf9b20484762ef16c9a7f26e7b52f5ac4"`
[INFO] [stderr]    Compiling merkle v1.11.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "15c1052f5ce40c687981c3ee7259c7adf9b20484762ef16c9a7f26e7b52f5ac4"`
[INFO] running `"docker" "rm" "-f" "15c1052f5ce40c687981c3ee7259c7adf9b20484762ef16c9a7f26e7b52f5ac4"`
[INFO] [stdout] 15c1052f5ce40c687981c3ee7259c7adf9b20484762ef16c9a7f26e7b52f5ac4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/merkle/1.11.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 06b5104fef436d145d9c440077ba2b88be0912f96554e5a4327d573af1cb5e4f
[INFO] running `"docker" "start" "-a" "06b5104fef436d145d9c440077ba2b88be0912f96554e5a4327d573af1cb5e4f"`
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling merkle v1.11.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.48s
[INFO] running `"docker" "inspect" "06b5104fef436d145d9c440077ba2b88be0912f96554e5a4327d573af1cb5e4f"`
[INFO] running `"docker" "rm" "-f" "06b5104fef436d145d9c440077ba2b88be0912f96554e5a4327d573af1cb5e4f"`
[INFO] [stdout] 06b5104fef436d145d9c440077ba2b88be0912f96554e5a4327d573af1cb5e4f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/merkle/1.11.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 207887dcc33715591cddf93efb780390714d0a7f56835705349064c1d729cbe4
[INFO] running `"docker" "start" "-a" "207887dcc33715591cddf93efb780390714d0a7f56835705349064c1d729cbe4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/merkle-06c35de0e9fbd6f3
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_custom_hashable_impl ... ok
[INFO] [stdout] test tests::test_tree_into_iter ... ok
[INFO] [stdout] test tests::test_mutate_proof_first_lemma ... ok
[INFO] [stdout] test tests::test_from_vec_empty ... ok
[INFO] [stdout] test tests::test_tree_into_iter_loop ... ok
[INFO] [stdout] test tests::test_from_vec9 ... ok
[INFO] [stdout] test tests::test_from_vec3 ... ok
[INFO] [stdout] test tests::test_tree_iter ... ok
[INFO] [stdout] test tests::test_from_str_vec ... ok
[INFO] [stdout] test tests::test_valid_proof ... ok
[INFO] [stdout] test tests::test_valid_proof_str ... ok
[INFO] [stdout] test tests::test_nth_proof ... ok
[INFO] [stdout] test tests::test_from_vec1 ... ok
[INFO] [stdout] test tests::test_wrong_proof ... ok
[INFO] [stdout] test tests::test_tree_into_iter_loop_borrow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/proto-dfb92b5690ed22d7
[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] [stderr]    Doc-tests merkle
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/hashutils.rs - hashutils::Hashable (line 15) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "207887dcc33715591cddf93efb780390714d0a7f56835705349064c1d729cbe4"`
[INFO] running `"docker" "rm" "-f" "207887dcc33715591cddf93efb780390714d0a7f56835705349064c1d729cbe4"`
[INFO] [stdout] 207887dcc33715591cddf93efb780390714d0a7f56835705349064c1d729cbe4