[INFO] updating cached repository crazymykl/r7-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crazymykl/r7-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crazymykl/r7-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/crazymykl/r7-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/crazymykl/r7-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crazymykl/r7-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crazymykl/r7-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crazymykl/r7-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 80ea36fe907a5929cf7d4e02768f11e362a57a0f
[INFO] sha for GitHub repo crazymykl/r7-rs: 80ea36fe907a5929cf7d4e02768f11e362a57a0f
[INFO] validating manifest of crazymykl/r7-rs 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 crazymykl/r7-rs 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 crazymykl/r7-rs
[INFO] finished frobbing crazymykl/r7-rs
[INFO] frobbed toml for crazymykl/r7-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/crazymykl/r7-rs/Cargo.toml
[INFO] started frobbing crazymykl/r7-rs
[INFO] finished frobbing crazymykl/r7-rs
[INFO] frobbed toml for crazymykl/r7-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crazymykl/r7-rs/Cargo.toml
[INFO] crate crazymykl/r7-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing crazymykl/r7-rs 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/crazymykl/r7-rs:/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] 86414d5ceb67f0440983a2ac146e745de12d12423d58d23f93c6572937c636da
[INFO] running `"docker" "start" "-a" "86414d5ceb67f0440983a2ac146e745de12d12423d58d23f93c6572937c636da"`
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling peg v0.5.3
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling r7-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling rustyline v1.0.0
[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(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lisp_value/primitive_function.rs:6:37
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type LispPrimitiveFunction = Rc<Fn(&[LispValue]) -> LispResult>;
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[LispValue]) -> LispResult`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lisp_environment.rs:256:22
[INFO] [stderr]     |
[INFO] [stderr] 256 |               fold: &Fn(LispNum, LispNum) -> LispNum) -> LispResult {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(LispNum, LispNum) -> LispNum`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lisp_environment.rs:289:23
[INFO] [stderr]     |
[INFO] [stderr] 289 |                fold: &Fn(&LispNum, &LispNum) -> bool) -> LispResult {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&LispNum, &LispNum) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/crater/target/debug/build/r7-rs-9261d1c221011b80/out/scheme.rs:124:287
[INFO] [stderr]     |
[INFO] [stderr] 124 |  fn __parse_letter < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize ) -> RuleResult < () > { # ! [ allow ( non_snake_case , unused ) ] if __input . len ( ) > __pos { let ( __ch , __next ) = char_range_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z]" ) , } } else { __state . mark_failure ( __pos , "[a-zA-Z]" ) } } 
[INFO] [stderr]     |                                                                                                                                                                                                                                                                                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/crater/target/debug/build/r7-rs-9261d1c221011b80/out/scheme.rs:124:301
[INFO] [stderr]     |
[INFO] [stderr] 124 |  fn __parse_letter < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize ) -> RuleResult < () > { # ! [ allow ( non_snake_case , unused ) ] if __input . len ( ) > __pos { let ( __ch , __next ) = char_range_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z]" ) , } } else { __state . mark_failure ( __pos , "[a-zA-Z]" ) } } 
[INFO] [stderr]     |                                                                                                                                                                                                                                                                                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/crater/target/debug/build/r7-rs-9261d1c221011b80/out/scheme.rs:126:286
[INFO] [stderr]     |
[INFO] [stderr] 126 |  fn __parse_digit < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize ) -> RuleResult < () > { # ! [ allow ( non_snake_case , unused ) ] if __input . len ( ) > __pos { let ( __ch , __next ) = char_range_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , } } else { __state . mark_failure ( __pos , "[0-9]" ) } } 
[INFO] [stderr]     |                                                                                                                                                                                                                                                                                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `r7-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "86414d5ceb67f0440983a2ac146e745de12d12423d58d23f93c6572937c636da"`
[INFO] running `"docker" "rm" "-f" "86414d5ceb67f0440983a2ac146e745de12d12423d58d23f93c6572937c636da"`
[INFO] [stdout] 86414d5ceb67f0440983a2ac146e745de12d12423d58d23f93c6572937c636da