[INFO] fetching crate rdbc-postgres 0.1.6...
[INFO] testing rdbc-postgres-0.1.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rdbc-postgres 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rdbc-postgres 0.1.6 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rdbc-postgres 0.1.6
[INFO] finished tweaking crates.io crate rdbc-postgres 0.1.6
[INFO] tweaked toml for crates.io crate rdbc-postgres 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1866c459a573d8817a09bb887b3aa9f96ab811c17feb7b0a2b4abd3049ddd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b1866c459a573d8817a09bb887b3aa9f96ab811c17feb7b0a2b4abd3049ddd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1866c459a573d8817a09bb887b3aa9f96ab811c17feb7b0a2b4abd3049ddd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1866c459a573d8817a09bb887b3aa9f96ab811c17feb7b0a2b4abd3049ddd6", kill_on_drop: false }`
[INFO] [stdout] 3b1866c459a573d8817a09bb887b3aa9f96ab811c17feb7b0a2b4abd3049ddd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 298435796cce8395775f794101c285f2faa56ffa87a579fb50b6c9ccffe6b45e
[INFO] running `Command { std: "docker" "start" "-a" "298435796cce8395775f794101c285f2faa56ffa87a579fb50b6c9ccffe6b45e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling fallible-iterator v0.1.6
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling rdbc v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling sqlparser v0.5.1
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling postgres-protocol v0.3.2
[INFO] [stderr]    Compiling postgres-shared v0.4.2
[INFO] [stderr]    Compiling postgres v0.15.2
[INFO] [stderr]    Compiling rdbc-postgres v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:83:34
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         keyword: "".to_owned(),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^ expected enum `Keyword`, found struct `std::string::String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rdbc-postgres`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "298435796cce8395775f794101c285f2faa56ffa87a579fb50b6c9ccffe6b45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298435796cce8395775f794101c285f2faa56ffa87a579fb50b6c9ccffe6b45e", kill_on_drop: false }`
[INFO] [stdout] 298435796cce8395775f794101c285f2faa56ffa87a579fb50b6c9ccffe6b45e