[INFO] crate diesel_infer_schema 1.4.0 is already in cache
[INFO] testing diesel_infer_schema-1.4.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate diesel_infer_schema 1.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate diesel_infer_schema 1.4.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate diesel_infer_schema 1.4.0
[INFO] finished tweaking crates.io crate diesel_infer_schema 1.4.0
[INFO] tweaked toml for crates.io crate diesel_infer_schema 1.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9be3f486c823e9fc43c628a0e4cb670d231fd2f6cd3b1cf04dde08360b9d2a0
[INFO] running `"docker" "start" "-a" "e9be3f486c823e9fc43c628a0e4cb670d231fd2f6cd3b1cf04dde08360b9d2a0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]    Compiling dotenv v0.10.1
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling diesel v1.4.4
[INFO] [stderr]    Compiling infer_schema_internals v1.4.0
[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:128:37
[INFO] [stderr]     |
[INFO] [stderr] 128 |       let primary_keys: Vec<String> = try!(match *conn {
[INFO] [stderr]     |  _____________________________________^
[INFO] [stderr] 129 | |         #[cfg(feature = "sqlite")]
[INFO] [stderr] 130 | |         InferConnection::Sqlite(ref c) => ::sqlite::get_primary_keys(c, table),
[INFO] [stderr] 131 | |         #[cfg(feature = "postgres")]
[INFO] [stderr] ...   |
[INFO] [stderr] 134 | |         InferConnection::Mysql(ref c) => ::information_schema::get_primary_keys(c, table),
[INFO] [stderr] 135 | |     });
[INFO] [stderr]     | |______^ cannot infer type
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 3 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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e9be3f486c823e9fc43c628a0e4cb670d231fd2f6cd3b1cf04dde08360b9d2a0"`
[INFO] running `"docker" "rm" "-f" "e9be3f486c823e9fc43c628a0e4cb670d231fd2f6cd3b1cf04dde08360b9d2a0"`
[INFO] [stdout] e9be3f486c823e9fc43c628a0e4cb670d231fd2f6cd3b1cf04dde08360b9d2a0