[INFO] fetching crate rs-leveldb 0.1.5...
[INFO] testing rs-leveldb-0.1.5 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate rs-leveldb 0.1.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rs-leveldb 0.1.5
[INFO] finished tweaking crates.io crate rs-leveldb 0.1.5
[INFO] tweaked toml for crates.io crate rs-leveldb 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-leveldb 0.1.5 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs-leveldb 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdf44e3d0582a6317cac1598cff0361bf1a8ade38253535957b84c5ac3bf736d
[INFO] running `Command { std: "docker" "start" "-a" "cdf44e3d0582a6317cac1598cff0361bf1a8ade38253535957b84c5ac3bf736d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf44e3d0582a6317cac1598cff0361bf1a8ade38253535957b84c5ac3bf736d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf44e3d0582a6317cac1598cff0361bf1a8ade38253535957b84c5ac3bf736d", kill_on_drop: false }`
[INFO] [stdout] cdf44e3d0582a6317cac1598cff0361bf1a8ade38253535957b84c5ac3bf736d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0af514115c96512f083550e770151c2c5a4ae9e6bdddaeb14d1c9de55926d556
[INFO] running `Command { std: "docker" "start" "-a" "0af514115c96512f083550e770151c2c5a4ae9e6bdddaeb14d1c9de55926d556", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling leveldb-sys v2.0.8
[INFO] [stderr]    Compiling rs-leveldb v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/database/snapshots.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn snapshot(&self) -> Snapshot;
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn snapshot(&self) -> Snapshot<'_>;
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/database/snapshots.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn snapshot(&self) -> Snapshot {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn snapshot(&self) -> Snapshot<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.30s
[INFO] running `Command { std: "docker" "inspect" "0af514115c96512f083550e770151c2c5a4ae9e6bdddaeb14d1c9de55926d556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af514115c96512f083550e770151c2c5a4ae9e6bdddaeb14d1c9de55926d556", kill_on_drop: false }`
[INFO] [stdout] 0af514115c96512f083550e770151c2c5a4ae9e6bdddaeb14d1c9de55926d556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 112b7c03f14f5eb9b064cfaf0e4133de4255a0fba5af869b46ac14ddc322ab98
[INFO] running `Command { std: "docker" "start" "-a" "112b7c03f14f5eb9b064cfaf0e4133de4255a0fba5af869b46ac14ddc322ab98", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/database/snapshots.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn snapshot(&self) -> Snapshot;
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn snapshot(&self) -> Snapshot<'_>;
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/database/snapshots.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn snapshot(&self) -> Snapshot {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn snapshot(&self) -> Snapshot<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rs-leveldb v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/database/snapshots.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn snapshot(&self) -> Snapshot;
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn snapshot(&self) -> Snapshot<'_>;
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/database/snapshots.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn snapshot(&self) -> Snapshot {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn snapshot(&self) -> Snapshot<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "112b7c03f14f5eb9b064cfaf0e4133de4255a0fba5af869b46ac14ddc322ab98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112b7c03f14f5eb9b064cfaf0e4133de4255a0fba5af869b46ac14ddc322ab98", kill_on_drop: false }`
[INFO] [stdout] 112b7c03f14f5eb9b064cfaf0e4133de4255a0fba5af869b46ac14ddc322ab98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5143742c19607a02384079d256b91d178eae0e788e8848a53858739b7d205495
[INFO] running `Command { std: "docker" "start" "-a" "5143742c19607a02384079d256b91d178eae0e788e8848a53858739b7d205495", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/database/snapshots.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn snapshot(&self) -> Snapshot;
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn snapshot(&self) -> Snapshot<'_>;
[INFO] [stderr]    |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/database/snapshots.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn snapshot(&self) -> Snapshot {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn snapshot(&self) -> Snapshot<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-leveldb` (lib) generated 2 warnings (run `cargo fix --lib -p rs-leveldb` to apply 2 suggestions)
[INFO] [stderr] warning: `rs-leveldb` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leveldb-52f71a2ca0d09943)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cache.rs (/opt/rustwide/target/debug/deps/cache-b67ceb859fbcbd3b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_open_database_with_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/compaction.rs (/opt/rustwide/target/debug/deps/compaction-ab8038fc25ce791e)
[INFO] [stdout] test test_iterator_from_to ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/comparator.rs (/opt/rustwide/target/debug/deps/comparator-f03f9b8d39978f36)
[INFO] [stdout] test test_comparator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/concurrent_access.rs (/opt/rustwide/target/debug/deps/concurrent_access-a211543e343c5bb1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test access_from_threads ... ok
[INFO] [stderr]      Running tests/database.rs (/opt/rustwide/target/debug/deps/database-14fef1cbd2815d00)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_open_nonexistent_database_without_create ... ok
[INFO] [stderr]      Running tests/iterator.rs (/opt/rustwide/target/debug/deps/iterator-e348cd7de305f372)
[INFO] [stdout] test test_open_database ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_value_iterator ... ok
[INFO] [stdout] test test_iterator ... ok
[INFO] [stdout] test test_key_iterator ... ok
[INFO] [stdout] test test_iterator_reverse ... ok
[INFO] [stdout] test test_iterator_last ... ok
[INFO] [stdout] test test_iterator_seek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/management.rs (/opt/rustwide/target/debug/deps/management-5092d17942a57024)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_destroy_database ... ok
[INFO] [stdout] test test_repair_database ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/put_get_delete.rs (/opt/rustwide/target/debug/deps/put_get_delete-ffa6b4164071cd8b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_get_from_empty_database ... ok
[INFO] [stdout] test test_get_from_filled_database ... ok
[INFO] [stdout] test test_delete_from_database ... ok
[INFO] [stdout] test test_write_to_database ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/snapshots.rs (/opt/rustwide/target/debug/deps/snapshots-c35f646c99edaee3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_snapshots ... ok
[INFO] [stdout] test test_snapshot_iterator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]      Running tests/utils.rs (/opt/rustwide/target/debug/deps/utils-2e33fcdfb626d00a)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/writebatch.rs (/opt/rustwide/target/debug/deps/writebatch-6e096aaaec07972a)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_write_batch_iter ... ok
[INFO] [stdout] test test_write_batch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leveldb
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5143742c19607a02384079d256b91d178eae0e788e8848a53858739b7d205495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5143742c19607a02384079d256b91d178eae0e788e8848a53858739b7d205495", kill_on_drop: false }`
[INFO] [stdout] 5143742c19607a02384079d256b91d178eae0e788e8848a53858739b7d205495