[INFO] crate phone_number 0.1.0 is already in cache [INFO] extracting crate phone_number 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/phone_number/0.1.0 [INFO] extracting crate phone_number 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/phone_number/0.1.0 [INFO] validating manifest of phone_number-0.1.0 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 phone_number-0.1.0 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 phone_number-0.1.0 [INFO] finished frobbing phone_number-0.1.0 [INFO] frobbed toml for phone_number-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/phone_number/0.1.0/Cargo.toml [INFO] started frobbing phone_number-0.1.0 [INFO] finished frobbing phone_number-0.1.0 [INFO] frobbed toml for phone_number-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/phone_number/0.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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] [stderr] Blocking waiting for file lock on package cache [INFO] testing phone_number-0.1.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/phone_number/0.1.0:/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] 627775ab4e2e82202342679a987fad51ff5ce10ba140b87868e0bb135f8d6b57 [INFO] running `"docker" "start" "-a" "627775ab4e2e82202342679a987fad51ff5ce10ba140b87868e0bb135f8d6b57"` [INFO] [stderr] Compiling phone_number v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(str_escape)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:26:32 [INFO] [stderr] | [INFO] [stderr] 26 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/lib.rs:37:30 [INFO] [stderr] | [INFO] [stderr] 37 | let mut number: String = Regex::new(r"\D").unwrap().replace_all(number, "").escape_default(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `std::string::String`, found struct `std::str::EscapeDefault` [INFO] [stderr] | help: try using a conversion method: `Regex::new(r"\D").unwrap().replace_all(number, "").escape_default().to_string()` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::str::EscapeDefault<'_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/lib.rs:41:18 [INFO] [stderr] | [INFO] [stderr] 41 | number = Regex::new(r"^0+").unwrap().replace_all(&number, "").escape_default(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `std::string::String`, found struct `std::str::EscapeDefault` [INFO] [stderr] | help: try using a conversion method: `Regex::new(r"^0+").unwrap().replace_all(&number, "").escape_default().to_string()` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::str::EscapeDefault<'_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/lib.rs:46:18 [INFO] [stderr] | [INFO] [stderr] 46 | number = Regex::new(r"^8+").unwrap().replace_all(&number, "").escape_default(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `std::string::String`, found struct `std::str::EscapeDefault` [INFO] [stderr] | help: try using a conversion method: `Regex::new(r"^8+").unwrap().replace_all(&number, "").escape_default().to_string()` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `std::str::EscapeDefault<'_>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `phone_number`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "627775ab4e2e82202342679a987fad51ff5ce10ba140b87868e0bb135f8d6b57"` [INFO] running `"docker" "rm" "-f" "627775ab4e2e82202342679a987fad51ff5ce10ba140b87868e0bb135f8d6b57"` [INFO] [stdout] 627775ab4e2e82202342679a987fad51ff5ce10ba140b87868e0bb135f8d6b57