[INFO] crate infer_schema_internals 1.4.0 is already in cache [INFO] extracting crate infer_schema_internals 1.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/infer_schema_internals/1.4.0 [INFO] extracting crate infer_schema_internals 1.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/infer_schema_internals/1.4.0 [INFO] validating manifest of infer_schema_internals-1.4.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of infer_schema_internals-1.4.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing infer_schema_internals-1.4.0 [INFO] finished frobbing infer_schema_internals-1.4.0 [INFO] frobbed toml for infer_schema_internals-1.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/infer_schema_internals/1.4.0/Cargo.toml [INFO] started frobbing infer_schema_internals-1.4.0 [INFO] finished frobbing infer_schema_internals-1.4.0 [INFO] frobbed toml for infer_schema_internals-1.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/infer_schema_internals/1.4.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing infer_schema_internals-1.4.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/infer_schema_internals/1.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] b69ce7f24a50cc876cf410b702542c2d854f01bfde5ffc7d27e1d82ad1dbacc9 [INFO] running `"docker" "start" "-a" "b69ce7f24a50cc876cf410b702542c2d854f01bfde5ffc7d27e1d82ad1dbacc9"` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling diesel_derives v1.4.0 [INFO] [stderr] Compiling diesel v1.4.2 [INFO] [stderr] Compiling infer_schema_internals v1.4.0 (/opt/crater/workdir) [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] --> 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] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | #![deny(warnings, missing_debug_implementations, missing_copy_implementations)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[warn(unused_imports)] implied by #[warn(warnings)] [INFO] [stderr] [INFO] [stderr] warning: unused import: `diesel::*` [INFO] [stderr] --> src/data_structures.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use diesel::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `diesel::deserialize::FromSqlRow` [INFO] [stderr] --> src/data_structures.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use diesel::deserialize::FromSqlRow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/inference.rs:29:33 [INFO] [stderr] | [INFO] [stderr] 29 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | #![deny(warnings, missing_debug_implementations, missing_copy_implementations)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)] [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/inference.rs:42:87 [INFO] [stderr] | [INFO] [stderr] 42 | pub(crate) fn establish_connection(database_url: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/inference.rs:79:76 [INFO] [stderr] | [INFO] [stderr] 79 | fn establish_real_connection(database_url: &str) -> Result> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/inference.rs:94:41 [INFO] [stderr] | [INFO] [stderr] 94 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/inference.rs:113:29 [INFO] [stderr] | [INFO] [stderr] 113 | ) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/inference.rs:127:30 [INFO] [stderr] | [INFO] [stderr] 127 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/inference.rs:160:44 [INFO] [stderr] | [INFO] [stderr] 160 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/inference.rs:192:86 [INFO] [stderr] | [INFO] [stderr] 192 | pub fn load_table_data(database_url: &str, name: TableName) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/inference.rs:238:34 [INFO] [stderr] | [INFO] [stderr] 238 | .collect::>>()?; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/inference.rs:103:5 [INFO] [stderr] | [INFO] [stderr] 103 | / if let Err(NotFound) = column_info { [INFO] [stderr] 104 | | Err(format!("no table exists named {}", table.to_string()).into()) [INFO] [stderr] 105 | | } else { [INFO] [stderr] 106 | | column_info.map_err(Into::into) [INFO] [stderr] 107 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | #![deny(warnings, missing_debug_implementations, missing_copy_implementations)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[warn(unreachable_code)] implied by #[warn(warnings)] [INFO] [stderr] [INFO] [stderr] warning: unreachable arm [INFO] [stderr] --> src/inference.rs:128:37 [INFO] [stderr] | [INFO] [stderr] 128 | let primary_keys: Vec = 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] | |______^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/inference.rs:176:5 [INFO] [stderr] | [INFO] [stderr] 176 | / constraints.map(|mut ct| { [INFO] [stderr] 177 | | ct.sort(); [INFO] [stderr] 178 | | ct [INFO] [stderr] 179 | | }) [INFO] [stderr] | |______^ [INFO] [stderr] [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> 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] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "b69ce7f24a50cc876cf410b702542c2d854f01bfde5ffc7d27e1d82ad1dbacc9"` [INFO] running `"docker" "rm" "-f" "b69ce7f24a50cc876cf410b702542c2d854f01bfde5ffc7d27e1d82ad1dbacc9"` [INFO] [stdout] b69ce7f24a50cc876cf410b702542c2d854f01bfde5ffc7d27e1d82ad1dbacc9