[INFO] crate prefix-tree 0.1.0 is already in cache
[INFO] extracting crate prefix-tree 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/prefix-tree/0.1.0
[INFO] extracting crate prefix-tree 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prefix-tree/0.1.0
[INFO] validating manifest of prefix-tree-0.1.0 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 prefix-tree-0.1.0 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 prefix-tree-0.1.0
[INFO] finished frobbing prefix-tree-0.1.0
[INFO] frobbed toml for prefix-tree-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/prefix-tree/0.1.0/Cargo.toml
[INFO] started frobbing prefix-tree-0.1.0
[INFO] finished frobbing prefix-tree-0.1.0
[INFO] frobbed toml for prefix-tree-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prefix-tree/0.1.0/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 prefix-tree-0.1.0 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-1/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/prefix-tree/0.1.0:/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] 0a108324a918b4b4c308731dcd12995e4f7534bb2f49e0afb54cec8f0a9df1ac
[INFO] running `"docker" "start" "-a" "0a108324a918b4b4c308731dcd12995e4f7534bb2f49e0afb54cec8f0a9df1ac"`
[INFO] [stderr]    Compiling prefix-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "0a108324a918b4b4c308731dcd12995e4f7534bb2f49e0afb54cec8f0a9df1ac"`
[INFO] running `"docker" "rm" "-f" "0a108324a918b4b4c308731dcd12995e4f7534bb2f49e0afb54cec8f0a9df1ac"`
[INFO] [stdout] 0a108324a918b4b4c308731dcd12995e4f7534bb2f49e0afb54cec8f0a9df1ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/prefix-tree/0.1.0:/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] 87779bc79b91679090a20a72491710a6a0178741f391cb7adfa9d916cb654516
[INFO] running `"docker" "start" "-a" "87779bc79b91679090a20a72491710a6a0178741f391cb7adfa9d916cb654516"`
[INFO] [stderr]    Compiling prefix-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "87779bc79b91679090a20a72491710a6a0178741f391cb7adfa9d916cb654516"`
[INFO] running `"docker" "rm" "-f" "87779bc79b91679090a20a72491710a6a0178741f391cb7adfa9d916cb654516"`
[INFO] [stdout] 87779bc79b91679090a20a72491710a6a0178741f391cb7adfa9d916cb654516
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/prefix-tree/0.1.0:/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] d13938a75d3701cafa5cca30927a0a03a47ab66a23a7cba8bbfeef4c4374d886
[INFO] running `"docker" "start" "-a" "d13938a75d3701cafa5cca30927a0a03a47ab66a23a7cba8bbfeef4c4374d886"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prefix_tree-414455808c597539
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_common_prefix_bytes ... ok
[INFO] [stdout] test tests::test_common_prefix_empty ... ok
[INFO] [stdout] test tests::test_common_prefix_short ... ok
[INFO] [stdout] test tests::test_find_empty ... ok
[INFO] [stdout] test tests::test_find_child ... ok
[INFO] [stdout] test tests::test_find_longer ... ok
[INFO] [stdout] test tests::test_insert_append ... ok
[INFO] [stdout] test tests::test_find_simple ... ok
[INFO] [stdout] test tests::test_find_sibling ... ok
[INFO] [stdout] test tests::test_find_shorter ... ok
[INFO] [stdout] test tests::test_insert_empty ... ok
[INFO] [stdout] test tests::test_find_missing ... ok
[INFO] [stdout] test tests::test_insert_split ... ok
[INFO] [stdout] test tests::test_insert_sibling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefix-tree
[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" "d13938a75d3701cafa5cca30927a0a03a47ab66a23a7cba8bbfeef4c4374d886"`
[INFO] running `"docker" "rm" "-f" "d13938a75d3701cafa5cca30927a0a03a47ab66a23a7cba8bbfeef4c4374d886"`
[INFO] [stdout] d13938a75d3701cafa5cca30927a0a03a47ab66a23a7cba8bbfeef4c4374d886