[INFO] fetching crate rdbc-mysql 0.1.6...
[INFO] testing rdbc-mysql-0.1.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rdbc-mysql 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rdbc-mysql 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-mysql 0.1.6
[INFO] finished tweaking crates.io crate rdbc-mysql 0.1.6
[INFO] tweaked toml for crates.io crate rdbc-mysql 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] 316f21c5fe3fd5c848285056d3a7ba347f4ae24ee101872d7d477151bc331ccc
[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" "316f21c5fe3fd5c848285056d3a7ba347f4ae24ee101872d7d477151bc331ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "316f21c5fe3fd5c848285056d3a7ba347f4ae24ee101872d7d477151bc331ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316f21c5fe3fd5c848285056d3a7ba347f4ae24ee101872d7d477151bc331ccc", kill_on_drop: false }`
[INFO] [stdout] 316f21c5fe3fd5c848285056d3a7ba347f4ae24ee101872d7d477151bc331ccc
[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] [stdout] a0edb90c4d421c73ecd0b87a4831538a690cc7b9a90f53d60e9f588014a40d56
[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" "a0edb90c4d421c73ecd0b87a4831538a690cc7b9a90f53d60e9f588014a40d56", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling mysql v17.0.0
[INFO] [stderr]    Compiling io-enum v0.2.5
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling lexical v4.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rust_decimal v1.9.0
[INFO] [stderr]    Compiling sqlparser v0.5.1
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling derive_utils v0.11.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling mysql_common v0.19.2
[INFO] [stderr]    Compiling rdbc-mysql v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:253:38
[INFO] [stdout]     |
[INFO] [stdout] 253 | ...                   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-mysql`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a0edb90c4d421c73ecd0b87a4831538a690cc7b9a90f53d60e9f588014a40d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0edb90c4d421c73ecd0b87a4831538a690cc7b9a90f53d60e9f588014a40d56", kill_on_drop: false }`
[INFO] [stdout] a0edb90c4d421c73ecd0b87a4831538a690cc7b9a90f53d60e9f588014a40d56