[INFO] fetching crate siodb 0.0.4...
[INFO] testing siodb-0.0.4 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate siodb 0.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate siodb 0.0.4 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate siodb 0.0.4
[INFO] finished tweaking crates.io crate siodb 0.0.4
[INFO] tweaked toml for crates.io crate siodb 0.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate siodb 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] cd0aa2ac3f4ccedf6f29961e6c03c71cc682219252ad9b840fd64ee11358db7f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cd0aa2ac3f4ccedf6f29961e6c03c71cc682219252ad9b840fd64ee11358db7f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling bit_utils v0.1.1
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling protoc v2.12.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling zigzag v0.1.0
[INFO] [stderr]    Compiling varint v0.9.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling protobuf-codegen v2.12.0
[INFO] [stderr]    Compiling protoc-rust v2.12.0
[INFO] [stderr]    Compiling siodb v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.92s
[INFO] running `"docker" "inspect" "cd0aa2ac3f4ccedf6f29961e6c03c71cc682219252ad9b840fd64ee11358db7f"`
[INFO] running `"docker" "rm" "-f" "cd0aa2ac3f4ccedf6f29961e6c03c71cc682219252ad9b840fd64ee11358db7f"`
[INFO] [stdout] cd0aa2ac3f4ccedf6f29961e6c03c71cc682219252ad9b840fd64ee11358db7f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19b8d823fb69ebbf6b99c6d6985b1efcd7230dd11690d94e7a0fe3387dddcb50
[INFO] running `"docker" "start" "-a" "19b8d823fb69ebbf6b99c6d6985b1efcd7230dd11690d94e7a0fe3387dddcb50"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling siodb v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "19b8d823fb69ebbf6b99c6d6985b1efcd7230dd11690d94e7a0fe3387dddcb50"`
[INFO] running `"docker" "rm" "-f" "19b8d823fb69ebbf6b99c6d6985b1efcd7230dd11690d94e7a0fe3387dddcb50"`
[INFO] [stdout] 19b8d823fb69ebbf6b99c6d6985b1efcd7230dd11690d94e7a0fe3387dddcb50
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a6660eb24883e349db7dc1497d29573bc72acc3fe6a4f2c6ebc0c7a2f0bca4c
[INFO] running `"docker" "start" "-a" "3a6660eb24883e349db7dc1497d29573bc72acc3fe6a4f2c6ebc0c7a2f0bca4c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/siodb-f00b3094a670ccbf
[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/rustwide/target/debug/deps/siodb-5afe71c83e00f305
[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]    Doc-tests siodb
[INFO] [stderr] error[E0659]: `siodb` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub use siodb::SiodbConn;
[INFO] [stderr]   |         ^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `siodb` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::siodb` to refer to this crate unambiguously
[INFO] [stderr] note: `siodb` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod siodb;
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::siodb` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "3a6660eb24883e349db7dc1497d29573bc72acc3fe6a4f2c6ebc0c7a2f0bca4c"`
[INFO] running `"docker" "rm" "-f" "3a6660eb24883e349db7dc1497d29573bc72acc3fe6a4f2c6ebc0c7a2f0bca4c"`
[INFO] [stdout] 3a6660eb24883e349db7dc1497d29573bc72acc3fe6a4f2c6ebc0c7a2f0bca4c