[INFO] fetching crate secret-tree 0.2.0-pre.0...
[INFO] extracting crate secret-tree 0.2.0-pre.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/secret-tree/0.2.0-pre.0
[INFO] extracting crate secret-tree 0.2.0-pre.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/secret-tree/0.2.0-pre.0
[INFO] validating manifest of secret-tree-0.2.0-pre.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of secret-tree-0.2.0-pre.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing secret-tree-0.2.0-pre.0
[INFO] removed 0 missing examples
[INFO] finished frobbing secret-tree-0.2.0-pre.0
[INFO] frobbed toml for secret-tree-0.2.0-pre.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/secret-tree/0.2.0-pre.0/Cargo.toml
[INFO] started frobbing secret-tree-0.2.0-pre.0
[INFO] removed 0 missing examples
[INFO] finished frobbing secret-tree-0.2.0-pre.0
[INFO] frobbed toml for secret-tree-0.2.0-pre.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/secret-tree/0.2.0-pre.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pwbox v0.1.4
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing secret-tree-0.2.0-pre.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/secret-tree/0.2.0-pre.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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] cd3e1ea757b519cc33508d21e5c2b3cf5e4b57699333f901af5799276df91351
[INFO] running `"docker" "start" "-a" "cd3e1ea757b519cc33508d21e5c2b3cf5e4b57699333f901af5799276df91351"`
[INFO] [stderr]    Compiling secret-tree v0.2.0-pre.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "cd3e1ea757b519cc33508d21e5c2b3cf5e4b57699333f901af5799276df91351"`
[INFO] running `"docker" "rm" "-f" "cd3e1ea757b519cc33508d21e5c2b3cf5e4b57699333f901af5799276df91351"`
[INFO] [stdout] cd3e1ea757b519cc33508d21e5c2b3cf5e4b57699333f901af5799276df91351
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/secret-tree/0.2.0-pre.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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6cba2504447230d8d2e87c35e841e2f8bc73418006f01646e2609b735320d186
[INFO] running `"docker" "start" "-a" "6cba2504447230d8d2e87c35e841e2f8bc73418006f01646e2609b735320d186"`
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling hex-buffer-serde v0.1.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]    Compiling pwbox v0.1.4
[INFO] [stderr]    Compiling secret-tree v0.2.0-pre.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `"docker" "inspect" "6cba2504447230d8d2e87c35e841e2f8bc73418006f01646e2609b735320d186"`
[INFO] running `"docker" "rm" "-f" "6cba2504447230d8d2e87c35e841e2f8bc73418006f01646e2609b735320d186"`
[INFO] [stdout] 6cba2504447230d8d2e87c35e841e2f8bc73418006f01646e2609b735320d186
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/secret-tree/0.2.0-pre.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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e8dac119da4980e668977f2dc9efe9864ecabaadaee42b98824800bbc482576d
[INFO] running `"docker" "start" "-a" "e8dac119da4980e668977f2dc9efe9864ecabaadaee42b98824800bbc482576d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/secret_tree-974ad89de58b06d5
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::buffers_with_different_size_should_be_unrelated ... ok
[INFO] [stdout] test tests::children_with_same_bytes_in_key ... ok
[INFO] [stdout] test kdf::sodium_test_vectors_varying_len_output ... ok
[INFO] [stdout] test tests::fill_and_rng_result_in_different_data ... ok
[INFO] [stdout] test kdf::sodium_test_vectors_64byte_output ... ok
[INFO] [stdout] test tests::filling_acceptable_buffers ... ok
[INFO] [stdout] test tests::name_with_null_chars_cannot_be_created ... ok
[INFO] [stdout] test tests::filling_undersized_key ... ok
[INFO] [stdout] test tests::filling_oversized_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests secret-tree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 67) ... ok
[INFO] [stdout] test src/lib.rs - SecretTree (line 172) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e8dac119da4980e668977f2dc9efe9864ecabaadaee42b98824800bbc482576d"`
[INFO] running `"docker" "rm" "-f" "e8dac119da4980e668977f2dc9efe9864ecabaadaee42b98824800bbc482576d"`
[INFO] [stdout] e8dac119da4980e668977f2dc9efe9864ecabaadaee42b98824800bbc482576d