[INFO] crate tree-index 0.5.0 is already in cache
[INFO] extracting crate tree-index 0.5.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tree-index/0.5.0
[INFO] extracting crate tree-index 0.5.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tree-index/0.5.0
[INFO] validating manifest of tree-index-0.5.0 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 tree-index-0.5.0 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 tree-index-0.5.0
[INFO] finished frobbing tree-index-0.5.0
[INFO] frobbed toml for tree-index-0.5.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tree-index/0.5.0/Cargo.toml
[INFO] started frobbing tree-index-0.5.0
[INFO] finished frobbing tree-index-0.5.0
[INFO] frobbed toml for tree-index-0.5.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tree-index/0.5.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tree-index-0.5.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tree-index/0.5.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 1594fb5e237748ced57c2445ad6c3afbb8807d69183eab9e758eb9851e164a10
[INFO] running `"docker" "start" "-a" "1594fb5e237748ced57c2445ad6c3afbb8807d69183eab9e758eb9851e164a10"`
[INFO] [stderr]    Compiling flat-tree v3.7.0
[INFO] [stderr]    Compiling memory-pager v0.8.0
[INFO] [stderr]    Compiling sparse-bitfield v0.8.1
[INFO] [stderr]    Compiling tree-index v0.5.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "1594fb5e237748ced57c2445ad6c3afbb8807d69183eab9e758eb9851e164a10"`
[INFO] running `"docker" "rm" "-f" "1594fb5e237748ced57c2445ad6c3afbb8807d69183eab9e758eb9851e164a10"`
[INFO] [stdout] 1594fb5e237748ced57c2445ad6c3afbb8807d69183eab9e758eb9851e164a10
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tree-index/0.5.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 408e3c179732e3b1ba6ee1b8e441dbf3864c9ba76973324253a4a79bf89529f2
[INFO] running `"docker" "start" "-a" "408e3c179732e3b1ba6ee1b8e441dbf3864c9ba76973324253a4a79bf89529f2"`
[INFO] [stderr]    Compiling tree-index v0.5.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "408e3c179732e3b1ba6ee1b8e441dbf3864c9ba76973324253a4a79bf89529f2"`
[INFO] running `"docker" "rm" "-f" "408e3c179732e3b1ba6ee1b8e441dbf3864c9ba76973324253a4a79bf89529f2"`
[INFO] [stdout] 408e3c179732e3b1ba6ee1b8e441dbf3864c9ba76973324253a4a79bf89529f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tree-index/0.5.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1a76e58aaf67df4ddfc49745e1b6fa5308520e7eebec610e33c70d0808e607a1
[INFO] running `"docker" "start" "-a" "1a76e58aaf67df4ddfc49745e1b6fa5308520e7eebec610e33c70d0808e607a1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tree_index-8e5ef08b38eab66d
[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]      Running /opt/crater/target/debug/deps/test-02352fd1f76f36ea
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test proof_without_a_digest_3 ... ok
[INFO] [stdout] test proof_without_a_digest_2 ... ok
[INFO] [stdout] test proof_without_a_digest_1 ... ok
[INFO] [stdout] test proof_with_a_digest_2 ... ok
[INFO] [stdout] test proof_with_a_digest_1 ... ok
[INFO] [stdout] test set_and_get ... ok
[INFO] [stdout] test digest_sanity_checks ... ok
[INFO] [stdout] test digest ... ok
[INFO] [stdout] test verified_by ... ok
[INFO] [stdout] test proof_with_a_digest_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree-index
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] test src/proof.rs - proof::Proof::nodes (line 63) ... ok
[INFO] [stdout] test src/proof.rs - proof::Proof::new (line 15) ... ok
[INFO] [stdout] test src/proof.rs - proof::Proof::index (line 33) ... ok
[INFO] [stdout] test src/lib.rs - TreeIndex::blocks (line 223) ... ok
[INFO] [stdout] test src/proof.rs - proof::Proof::verified_by (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1a76e58aaf67df4ddfc49745e1b6fa5308520e7eebec610e33c70d0808e607a1"`
[INFO] running `"docker" "rm" "-f" "1a76e58aaf67df4ddfc49745e1b6fa5308520e7eebec610e33c70d0808e607a1"`
[INFO] [stdout] 1a76e58aaf67df4ddfc49745e1b6fa5308520e7eebec610e33c70d0808e607a1