[INFO] fetching crate rs-leveldb 0.1.5...
[INFO] testing rs-leveldb-0.1.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rs-leveldb 0.1.5 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate rs-leveldb 0.1.5 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-104/source/Cargo.toml
[INFO] crate crates.io crate rs-leveldb 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded leveldb-sys v2.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc0efe8f145ca176bcd2ffff7d9b0c9ab3a717dca3fbb4b074b8fcafc2b0dee5
[INFO] running `Command { std: "docker" "start" "-a" "fc0efe8f145ca176bcd2ffff7d9b0c9ab3a717dca3fbb4b074b8fcafc2b0dee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc0efe8f145ca176bcd2ffff7d9b0c9ab3a717dca3fbb4b074b8fcafc2b0dee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0efe8f145ca176bcd2ffff7d9b0c9ab3a717dca3fbb4b074b8fcafc2b0dee5", kill_on_drop: false }`
[INFO] [stdout] fc0efe8f145ca176bcd2ffff7d9b0c9ab3a717dca3fbb4b074b8fcafc2b0dee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2536c2fd859dad8e4807cbab359727e2fc45870fef41040f633168380ac9352f
[INFO] running `Command { std: "docker" "start" "-a" "2536c2fd859dad8e4807cbab359727e2fc45870fef41040f633168380ac9352f", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.96s
[INFO] running `Command { std: "docker" "inspect" "2536c2fd859dad8e4807cbab359727e2fc45870fef41040f633168380ac9352f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2536c2fd859dad8e4807cbab359727e2fc45870fef41040f633168380ac9352f", kill_on_drop: false }`
[INFO] [stdout] 2536c2fd859dad8e4807cbab359727e2fc45870fef41040f633168380ac9352f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1416c160279731dc4937fe61981a868964759365c4f20cc01d39f7edc7c68c
[INFO] running `Command { std: "docker" "start" "-a" "ce1416c160279731dc4937fe61981a868964759365c4f20cc01d39f7edc7c68c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rs-leveldb v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "ce1416c160279731dc4937fe61981a868964759365c4f20cc01d39f7edc7c68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1416c160279731dc4937fe61981a868964759365c4f20cc01d39f7edc7c68c", kill_on_drop: false }`
[INFO] [stdout] ce1416c160279731dc4937fe61981a868964759365c4f20cc01d39f7edc7c68c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e6588a33c384ea7d9c812dd7365913c6a270fc734f6c6b1df8829e10f30e6bb
[INFO] running `Command { std: "docker" "start" "-a" "6e6588a33c384ea7d9c812dd7365913c6a270fc734f6c6b1df8829e10f30e6bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leveldb-9dfc3b592956cbb8)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cache.rs (/opt/rustwide/target/debug/deps/cache-49d3abd952f44e58)
[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 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 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compaction.rs (/opt/rustwide/target/debug/deps/compaction-c8fe725571a17b03)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/comparator.rs (/opt/rustwide/target/debug/deps/comparator-58abda09cf66d675)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/concurrent_access.rs (/opt/rustwide/target/debug/deps/concurrent_access-e4193cc806a72969)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test access_from_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/database.rs (/opt/rustwide/target/debug/deps/database-7762769de59c7e7c)
[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-5fdee210ce39dcc5)
[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 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_iterator_reverse ... ok
[INFO] [stdout] test test_value_iterator ... ok
[INFO] [stdout] test test_iterator ... ok
[INFO] [stdout] test test_iterator_seek ... ok
[INFO] [stdout] test test_iterator_last ... ok
[INFO] [stderr]      Running tests/management.rs (/opt/rustwide/target/debug/deps/management-26cabbef8b97013f)
[INFO] [stdout] test test_key_iterator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[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 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/put_get_delete.rs (/opt/rustwide/target/debug/deps/put_get_delete-13a9e0d26e34299f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_write_to_database ... ok
[INFO] [stdout] test test_get_from_filled_database ... ok
[INFO] [stdout] test test_delete_from_database ... ok
[INFO] [stdout] test test_get_from_empty_database ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/snapshots.rs (/opt/rustwide/target/debug/deps/snapshots-a082339f58d2769a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_snapshot_iterator ... ok
[INFO] [stdout] test test_snapshots ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/utils.rs (/opt/rustwide/target/debug/deps/utils-904697e37fb5ffec)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/writebatch.rs (/opt/rustwide/target/debug/deps/writebatch-e30d373d8fc49159)
[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 ... ok
[INFO] [stdout] test test_write_batch_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "6e6588a33c384ea7d9c812dd7365913c6a270fc734f6c6b1df8829e10f30e6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6588a33c384ea7d9c812dd7365913c6a270fc734f6c6b1df8829e10f30e6bb", kill_on_drop: false }`
[INFO] [stdout] 6e6588a33c384ea7d9c812dd7365913c6a270fc734f6c6b1df8829e10f30e6bb