[INFO] fetching crate siodb 0.0.4...
[INFO] testing siodb-0.0.4 against 1.44.0 for beta-1.45-1
[INFO] extracting crate siodb 0.0.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate siodb 0.0.4 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-9/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" "+1.44.0" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 9ac75acddab4f2ec8f10ca5a46166085137ea628d257dd51f29158cf934848f7
[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" "9ac75acddab4f2ec8f10ca5a46166085137ea628d257dd51f29158cf934848f7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling bit_utils v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling protoc v2.12.0
[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 native-tls v0.2.4
[INFO] [stderr]    Compiling idna v0.2.0
[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 chrono v0.4.11
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[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 45.67s
[INFO] running `"docker" "inspect" "9ac75acddab4f2ec8f10ca5a46166085137ea628d257dd51f29158cf934848f7"`
[INFO] running `"docker" "rm" "-f" "9ac75acddab4f2ec8f10ca5a46166085137ea628d257dd51f29158cf934848f7"`
[INFO] [stdout] 9ac75acddab4f2ec8f10ca5a46166085137ea628d257dd51f29158cf934848f7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.44.0" "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] 59d5fe73d61c67636d88711620cfed1adc82c7f6b8886cab90c40084818236d7
[INFO] running `"docker" "start" "-a" "59d5fe73d61c67636d88711620cfed1adc82c7f6b8886cab90c40084818236d7"`
[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 1.40s
[INFO] running `"docker" "inspect" "59d5fe73d61c67636d88711620cfed1adc82c7f6b8886cab90c40084818236d7"`
[INFO] running `"docker" "rm" "-f" "59d5fe73d61c67636d88711620cfed1adc82c7f6b8886cab90c40084818236d7"`
[INFO] [stdout] 59d5fe73d61c67636d88711620cfed1adc82c7f6b8886cab90c40084818236d7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.44.0" "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] 6cd4c0b304f880594a1e27d67e025813c4d913a3fddd0a6f2dc895bcf31e9160
[INFO] running `"docker" "start" "-a" "6cd4c0b304f880594a1e27d67e025813c4d913a3fddd0a6f2dc895bcf31e9160"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/siodb-6b8ccf1cb2cf82d2
[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-af8cb7e51ed57cce
[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" "6cd4c0b304f880594a1e27d67e025813c4d913a3fddd0a6f2dc895bcf31e9160"`
[INFO] running `"docker" "rm" "-f" "6cd4c0b304f880594a1e27d67e025813c4d913a3fddd0a6f2dc895bcf31e9160"`
[INFO] [stdout] 6cd4c0b304f880594a1e27d67e025813c4d913a3fddd0a6f2dc895bcf31e9160