[INFO] fetching crate siodb 0.0.4...
[INFO] testing siodb-0.0.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate siodb 0.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate siodb 0.0.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] crate crates.io crate siodb 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c761489b64b7a4240c469e1998876525696ef718ecfe1c54406243df4693917
[INFO] running `Command { std: "docker" "start" "-a" "1c761489b64b7a4240c469e1998876525696ef718ecfe1c54406243df4693917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c761489b64b7a4240c469e1998876525696ef718ecfe1c54406243df4693917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c761489b64b7a4240c469e1998876525696ef718ecfe1c54406243df4693917", kill_on_drop: false }`
[INFO] [stdout] 1c761489b64b7a4240c469e1998876525696ef718ecfe1c54406243df4693917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37ac8730fc4ecb51d84c66375a64d3ed172ad310517758426ec67654a13eacac
[INFO] running `Command { std: "docker" "start" "-a" "37ac8730fc4ecb51d84c66375a64d3ed172ad310517758426ec67654a13eacac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cc v1.0.50
[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 native-tls v0.2.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling bit_utils v0.1.1
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling protoc v2.12.0
[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 http v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling idna v0.2.0
[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 url v2.1.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[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] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/siodb/mod.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         &message
[INFO] [stdout] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stdout] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stdout]     | |____________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let _ = &message
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/siodb/mod.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         &message
[INFO] [stdout] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stdout] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stdout]     | |____________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let _ = &message
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.33s
[INFO] running `Command { std: "docker" "inspect" "37ac8730fc4ecb51d84c66375a64d3ed172ad310517758426ec67654a13eacac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ac8730fc4ecb51d84c66375a64d3ed172ad310517758426ec67654a13eacac", kill_on_drop: false }`
[INFO] [stdout] 37ac8730fc4ecb51d84c66375a64d3ed172ad310517758426ec67654a13eacac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f46951dac99775e093b70c7d79bc40a08d7c331da8989df5687b6eb94a865af6
[INFO] running `Command { std: "docker" "start" "-a" "f46951dac99775e093b70c7d79bc40a08d7c331da8989df5687b6eb94a865af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling siodb v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/siodb/mod.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         &message
[INFO] [stdout] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stdout] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stdout]     | |____________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let _ = &message
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/siodb/mod.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         &message
[INFO] [stdout] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stdout] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stdout]     | |____________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let _ = &message
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/siodb/mod.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         &message
[INFO] [stdout] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stdout] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stdout]     | |____________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let _ = &message
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "f46951dac99775e093b70c7d79bc40a08d7c331da8989df5687b6eb94a865af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46951dac99775e093b70c7d79bc40a08d7c331da8989df5687b6eb94a865af6", kill_on_drop: false }`
[INFO] [stdout] f46951dac99775e093b70c7d79bc40a08d7c331da8989df5687b6eb94a865af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22d85450b0e06df8afbb22fceef83fa2ebad5a6241eec39cb2e2a1a9b17c4062
[INFO] running `Command { std: "docker" "start" "-a" "22d85450b0e06df8afbb22fceef83fa2ebad5a6241eec39cb2e2a1a9b17c4062", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/siodb/mod.rs:332:9
[INFO] [stderr]     |
[INFO] [stderr] 332 | /         &message
[INFO] [stderr] 333 | |             .write_to_with_cached_sizes(&mut coded_output_stream)
[INFO] [stderr] 334 | |             .expect(&format!("write_message | Codec error"));
[INFO] [stderr]     | |____________________________________________________________^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let _ = &message
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `siodb` (lib) generated 1 warning
[INFO] [stderr] warning: `siodb` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `siodb` (bin "siodb" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/siodb-0902a9bee567c086)
[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 unittests (/opt/rustwide/target/debug/deps/siodb-f14f95d5888b960c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests siodb
[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] error[E0659]: `siodb` is ambiguous
[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: ambiguous because of multiple potential import sources
[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 `Command { std: "docker" "inspect" "22d85450b0e06df8afbb22fceef83fa2ebad5a6241eec39cb2e2a1a9b17c4062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d85450b0e06df8afbb22fceef83fa2ebad5a6241eec39cb2e2a1a9b17c4062", kill_on_drop: false }`
[INFO] [stdout] 22d85450b0e06df8afbb22fceef83fa2ebad5a6241eec39cb2e2a1a9b17c4062