[INFO] updating cached repository https://github.com/ahmelsayed/rr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b9891b6bdad29438c1901d209e1a976d679c98e
[INFO] checking ahmelsayed/rr against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmelsayed%2Frr" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahmelsayed/rr on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ahmelsayed/rr
[INFO] finished tweaking git repo https://github.com/ahmelsayed/rr
[INFO] tweaked toml for git repo https://github.com/ahmelsayed/rr written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ahmelsayed/rr already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c95f378428eafc41456cf86e945f4f4ab7dcfad75cc56dcd9266c536b521bde
[INFO] running `"docker" "start" "-a" "7c95f378428eafc41456cf86e945f4f4ab7dcfad75cc56dcd9266c536b521bde"`
[INFO] [stderr]     Checking rr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::ascii::OwnedAsciiExt`
[INFO] [stderr]  --> src/parser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::OwnedAsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `OwnedAsciiExt` in `ascii`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Help` in this scope
[INFO] [stderr]   --> src/parser.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |             mode: Help,
[INFO] [stderr]    |                   ^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Help;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Help` in this scope
[INFO] [stderr]   --> src/parser.rs:35:51
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 "?" | "help" => rr_options.mode = Help,
[INFO] [stderr]    |                                                   ^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Help;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `ShowAll` in this scope
[INFO] [stderr]   --> src/parser.rs:36:44
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 "all" => rr_options.mode = ShowAll,
[INFO] [stderr]    |                                            ^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::ShowAll;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Get` in this scope
[INFO] [stderr]   --> src/parser.rs:38:39
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     rr_options.mode = Get;
[INFO] [stderr]    |                                       ^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Get;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Delete` in this scope
[INFO] [stderr]   --> src/parser.rs:47:39
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     rr_options.mode = Delete;
[INFO] [stderr]    |                                       ^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Delete;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Set` in this scope
[INFO] [stderr]   --> src/parser.rs:51:39
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     rr_options.mode = Set;
[INFO] [stderr]    |                                       ^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Set;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Help` in this scope
[INFO] [stderr]   --> src/parser.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 |         _ => rr_options.mode = Help
[INFO] [stderr]    |                                ^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Help;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 |             key: box None,
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |             value: box None
[INFO] [stderr]    |                    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:39:38
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     rr_options.key = box Some(args[1].clone().into_ascii_lower());
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     rr_options.key = box Some(args[2].clone().into_ascii_lower());
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     rr_options.key = box Some(args[1].clone().into_ascii_lower());
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:53:40
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     rr_options.value = box Some(args[2].clone().into_ascii_lower());
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::ascii::OwnedAsciiExt`
[INFO] [stderr]  --> src/parser.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::OwnedAsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `OwnedAsciiExt` in `ascii`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Help` in this scope
[INFO] [stderr]   --> src/parser.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |             mode: Help,
[INFO] [stderr]    |                   ^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Help;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Help` in this scope
[INFO] [stderr]   --> src/parser.rs:35:51
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 "?" | "help" => rr_options.mode = Help,
[INFO] [stderr]    |                                                   ^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Help;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `ShowAll` in this scope
[INFO] [stderr]   --> src/parser.rs:36:44
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 "all" => rr_options.mode = ShowAll,
[INFO] [stderr]    |                                            ^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::ShowAll;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Get` in this scope
[INFO] [stderr]   --> src/parser.rs:38:39
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     rr_options.mode = Get;
[INFO] [stderr]    |                                       ^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Get;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Delete` in this scope
[INFO] [stderr]   --> src/parser.rs:47:39
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     rr_options.mode = Delete;
[INFO] [stderr]    |                                       ^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Delete;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Set` in this scope
[INFO] [stderr]   --> src/parser.rs:51:39
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     rr_options.mode = Set;
[INFO] [stderr]    |                                       ^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Set;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Help` in this scope
[INFO] [stderr]   --> src/parser.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 |         _ => rr_options.mode = Help
[INFO] [stderr]    |                                ^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use parser::Mode::Help;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 |             key: box None,
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |             value: box None
[INFO] [stderr]    |                    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:39:38
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     rr_options.key = box Some(args[1].clone().into_ascii_lower());
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     rr_options.key = box Some(args[2].clone().into_ascii_lower());
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     rr_options.key = box Some(args[1].clone().into_ascii_lower());
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]   --> src/parser.rs:53:40
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     rr_options.value = box Some(args[2].clone().into_ascii_lower());
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]    = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |             match args[1].clone().into_ascii_lower().as_slice() {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:39:63
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     rr_options.key = box Some(args[1].clone().into_ascii_lower());
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:45:35
[INFO] [stderr]    |
[INFO] [stderr] 45 |             match args[1].clone().into_ascii_lower().as_slice() {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:48:63
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     rr_options.key = box Some(args[2].clone().into_ascii_lower());
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:52:63
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     rr_options.key = box Some(args[1].clone().into_ascii_lower());
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |             match args[1].clone().into_ascii_lower().as_slice() {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:53:65
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     rr_options.value = box Some(args[2].clone().into_ascii_lower());
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:39:63
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     rr_options.key = box Some(args[1].clone().into_ascii_lower());
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:45:35
[INFO] [stderr]    |
[INFO] [stderr] 45 |             match args[1].clone().into_ascii_lower().as_slice() {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 20 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:48:63
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     rr_options.key = box Some(args[2].clone().into_ascii_lower());
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:52:63
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     rr_options.key = box Some(args[1].clone().into_ascii_lower());
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `into_ascii_lower` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/parser.rs:53:65
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     rr_options.value = box Some(args[2].clone().into_ascii_lower());
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 20 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `rr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7c95f378428eafc41456cf86e945f4f4ab7dcfad75cc56dcd9266c536b521bde"`
[INFO] running `"docker" "rm" "-f" "7c95f378428eafc41456cf86e945f4f4ab7dcfad75cc56dcd9266c536b521bde"`
[INFO] [stdout] 7c95f378428eafc41456cf86e945f4f4ab7dcfad75cc56dcd9266c536b521bde