[INFO] crate infer_schema_macros 1.4.0 is already in cache
[INFO] checking infer_schema_macros-1.4.0 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate infer_schema_macros 1.4.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate infer_schema_macros 1.4.0 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate infer_schema_macros 1.4.0
[INFO] finished tweaking crates.io crate infer_schema_macros 1.4.0
[INFO] tweaked toml for crates.io crate infer_schema_macros 1.4.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 312b3329d42ff1756ccd59f1552a06cf81dac56fbdd74bcf08901be79084a3bf
[INFO] running `"docker" "start" "-a" "312b3329d42ff1756ccd59f1552a06cf81dac56fbdd74bcf08901be79084a3bf"`
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking infer_schema_internals v1.4.0
[INFO] [stderr] error[E0659]: `error_chain` is ambiguous (derive helper attribute vs any other name)
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:23:40
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[cfg_attr(not(feature = "backtrace"), error_chain(backtrace = "false"))]
[INFO] [stderr]    |                                        ^^^^^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr] note: `error_chain` could refer to the derive helper attribute defined here
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[derive(Debug, error_chain)]
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr] note: `error_chain` could also refer to the derive macro imported here
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[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: Could not compile `dotenv`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: At least one backend must be specified for use with this crate.
[INFO] [stderr]  In Cargo.toml, please specify `features = ["postgresql"]`, `features = ["mysql"]`, or `features = ["sqlite"]`
[INFO] [stderr] 
[INFO] [stderr]  ex. `infer_schema_internals { features = ["postgres"] }`
[INFO] [stderr]  
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/infer_schema_internals-1.4.0/src/inference.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |           _ => compile_error!(
[INFO] [stderr]    |  ______________^
[INFO] [stderr] 71 | |             "At least one backend must be specified for use with this crate.\n \
[INFO] [stderr] 72 | |              In Cargo.toml, please specify `features = [\"postgresql\"]`, \
[INFO] [stderr] 73 | |              `features = [\"mysql\"]`, or `features = [\"sqlite\"]`\n\n \
[INFO] [stderr] 74 | |              ex. `infer_schema_internals { features = [\"postgres\"] }`\n "
[INFO] [stderr] 75 | |         ),
[INFO] [stderr]    | |_________^
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/infer_schema_internals-1.4.0/src/inference.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     let constraints = match connection {
[INFO] [stderr]     |         ----------- consider giving `constraints` a type
[INFO] [stderr] ...
[INFO] [stderr] 176 |     constraints.map(|mut ct| {
[INFO] [stderr]     |     ^^^^^^^^^^^ cannot infer type
[INFO] [stderr]     |
[INFO] [stderr]     = note: type must be known at this point
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `infer_schema_internals`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "312b3329d42ff1756ccd59f1552a06cf81dac56fbdd74bcf08901be79084a3bf"`
[INFO] running `"docker" "rm" "-f" "312b3329d42ff1756ccd59f1552a06cf81dac56fbdd74bcf08901be79084a3bf"`
[INFO] [stdout] 312b3329d42ff1756ccd59f1552a06cf81dac56fbdd74bcf08901be79084a3bf