[INFO] updating cached repository samsartor/dust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samsartor/dust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samsartor/dust" "work/ex/beta-1.38-1/sources/1.37.0/gh/samsartor/dust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/samsartor/dust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samsartor/dust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samsartor/dust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samsartor/dust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b2f7a3fa850320e3ec738847faaed7278af217e0
[INFO] sha for GitHub repo samsartor/dust: b2f7a3fa850320e3ec738847faaed7278af217e0
[INFO] validating manifest of samsartor/dust 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 samsartor/dust 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 samsartor/dust
[INFO] finished frobbing samsartor/dust
[INFO] frobbed toml for samsartor/dust written to work/ex/beta-1.38-1/sources/1.37.0/gh/samsartor/dust/Cargo.toml
[INFO] started frobbing samsartor/dust
[INFO] finished frobbing samsartor/dust
[INFO] frobbed toml for samsartor/dust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samsartor/dust/Cargo.toml
[INFO] crate samsartor/dust 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 samsartor/dust 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/samsartor/dust:/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] 1c0d087be49498eb63f16b04bcfb62ed1844d6daf0bd6e3e5a16f13886948402
[INFO] running `"docker" "start" "-a" "1c0d087be49498eb63f16b04bcfb62ed1844d6daf0bd6e3e5a16f13886948402"`
[INFO] [stderr]    Compiling dustc v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> src/syntax.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(never_type)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(fnbox)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/crater/target/debug/build/dustc-85141d9331c5e601/out/parse.rs:69:376
[INFO] [stderr]    |
[INFO] [stderr] 69 |  fn __parse_hwhite < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize , file_span : Span ) -> RuleResult < () > { # ! [ allow ( non_snake_case , unused ) ] if __input . len ( ) > __pos { let ( __ch , __next ) = char_range_at ( __input , __pos ) ; match __ch { ' ' | '\t' | '\u{a0}' | '\u{feff}' | '\u{1680}' | '\u{180e}' | '\u{2000}' ... '\u{200a}' | '\u{202f}' | '\u{205f}' | '\u{3000}' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[ \t\u{a0}\u{feff}\u{1680}\u{180e}\u{2000}-\u{200a}\u{202f}\u{205f}\u{3000}]" ) , } } else { __state . mark_failure ( __pos , "[ \t\u{a0}\u{feff}\u{1680}\u{180e}\u{2000}-\u{200a}\u{202f}\u{205f}\u{3000}]" ) } } 
[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/dustc-85141d9331c5e601/out/parse.rs:87:437
[INFO] [stderr]    |
[INFO] [stderr] 87 |  fn __parse_token < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize , file_span : Span ) -> RuleResult < Sy > { # ! [ allow ( non_snake_case , unused ) ] { let __choice_res = { __state . suppress_fail += 1 ; let res = { let __seq_res = { let str_start = __pos ; match { let __seq_res = 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_]" ) } ; match __seq_res { Matched ( __pos , _ ) => { { let mut __repeat_pos = __pos ; loop { let __pos = __repeat_pos ; let __step_res = if __input . len ( ) > __pos { let ( __ch , __next ) = char_range_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) , } } else { __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) } ; match __step_res { Matched ( __newpos , __value ) => { __repeat_pos = __newpos ; } , Failed => { break ; } } } Matched ( __repeat_pos , ( ) ) } } Failed => Failed , } } { Matched ( __newpos , _ ) => { Matched ( __newpos , & __input [ str_start .. __newpos ] ) } , Failed => Failed , } } ; match __seq_res { Matched ( __pos , val ) => { Matched ( __pos , {  Sy::new(val)  } ) } Failed => Failed , } } ; __state . suppress_fail -= 1 ; res } ; match __choice_res { Matched ( __pos , __value ) => Matched ( __pos , __value ) , Failed => { __state . mark_failure ( __pos , "identifier" ) ; Failed } } } } 
[INFO] [stderr]    |                                                                                                                                                                                                                                                                                                                                                                                                                                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/crater/target/debug/build/dustc-85141d9331c5e601/out/parse.rs:87:451
[INFO] [stderr]    |
[INFO] [stderr] 87 |  fn __parse_token < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize , file_span : Span ) -> RuleResult < Sy > { # ! [ allow ( non_snake_case , unused ) ] { let __choice_res = { __state . suppress_fail += 1 ; let res = { let __seq_res = { let str_start = __pos ; match { let __seq_res = 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_]" ) } ; match __seq_res { Matched ( __pos , _ ) => { { let mut __repeat_pos = __pos ; loop { let __pos = __repeat_pos ; let __step_res = if __input . len ( ) > __pos { let ( __ch , __next ) = char_range_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) , } } else { __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) } ; match __step_res { Matched ( __newpos , __value ) => { __repeat_pos = __newpos ; } , Failed => { break ; } } } Matched ( __repeat_pos , ( ) ) } } Failed => Failed , } } { Matched ( __newpos , _ ) => { Matched ( __newpos , & __input [ str_start .. __newpos ] ) } , Failed => Failed , } } ; match __seq_res { Matched ( __pos , val ) => { Matched ( __pos , {  Sy::new(val)  } ) } Failed => Failed , } } ; __state . suppress_fail -= 1 ; res } ; match __choice_res { Matched ( __pos , __value ) => Matched ( __pos , __value ) , Failed => { __state . mark_failure ( __pos , "identifier" ) ; Failed } } } } 
[INFO] [stderr]    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/crater/target/debug/build/dustc-85141d9331c5e601/out/parse.rs:87:848
[INFO] [stderr]    |
[INFO] [stderr] 87 |  fn __parse_token < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize , file_span : Span ) -> RuleResult < Sy > { # ! [ allow ( non_snake_case , unused ) ] { let __choice_res = { __state . suppress_fail += 1 ; let res = { let __seq_res = { let str_start = __pos ; match { let __seq_res = 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_]" ) } ; match __seq_res { Matched ( __pos , _ ) => { { let mut __repeat_pos = __pos ; loop { let __pos = __repeat_pos ; let __step_res = if __input . len ( ) > __pos { let ( __ch , __next ) = char_range_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) , } } else { __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) } ; match __step_res { Matched ( __newpos , __value ) => { __repeat_pos = __newpos ; } , Failed => { break ; } } } Matched ( __repeat_pos , ( ) ) } } Failed => Failed , } } { Matched ( __newpos , _ ) => { Matched ( __newpos , & __input [ str_start .. __newpos ] ) } , Failed => Failed , } } ; match __seq_res { Matched ( __pos , val ) => { Matched ( __pos , {  Sy::new(val)  } ) } Failed => Failed , } } ; __state . suppress_fail -= 1 ; res } ; match __choice_res { Matched ( __pos , __value ) => Matched ( __pos , __value ) , Failed => { __state . mark_failure ( __pos , "identifier" ) ; Failed } } } } 
[INFO] [stderr]    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/crater/target/debug/build/dustc-85141d9331c5e601/out/parse.rs:87:862
[INFO] [stderr]    |
[INFO] [stderr] 87 |  fn __parse_token < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize , file_span : Span ) -> RuleResult < Sy > { # ! [ allow ( non_snake_case , unused ) ] { let __choice_res = { __state . suppress_fail += 1 ; let res = { let __seq_res = { let str_start = __pos ; match { let __seq_res = 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_]" ) } ; match __seq_res { Matched ( __pos , _ ) => { { let mut __repeat_pos = __pos ; loop { let __pos = __repeat_pos ; let __step_res = if __input . len ( ) > __pos { let ( __ch , __next ) = char_range_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) , } } else { __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) } ; match __step_res { Matched ( __newpos , __value ) => { __repeat_pos = __newpos ; } , Failed => { break ; } } } Matched ( __repeat_pos , ( ) ) } } Failed => Failed , } } { Matched ( __newpos , _ ) => { Matched ( __newpos , & __input [ str_start .. __newpos ] ) } , Failed => Failed , } } ; match __seq_res { Matched ( __pos , val ) => { Matched ( __pos , {  Sy::new(val)  } ) } Failed => Failed , } } ; __state . suppress_fail -= 1 ; res } ; match __choice_res { Matched ( __pos , __value ) => Matched ( __pos , __value ) , Failed => { __state . mark_failure ( __pos , "identifier" ) ; Failed } } } } 
[INFO] [stderr]    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/crater/target/debug/build/dustc-85141d9331c5e601/out/parse.rs:87:876
[INFO] [stderr]    |
[INFO] [stderr] 87 |  fn __parse_token < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize , file_span : Span ) -> RuleResult < Sy > { # ! [ allow ( non_snake_case , unused ) ] { let __choice_res = { __state . suppress_fail += 1 ; let res = { let __seq_res = { let str_start = __pos ; match { let __seq_res = 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_]" ) } ; match __seq_res { Matched ( __pos , _ ) => { { let mut __repeat_pos = __pos ; loop { let __pos = __repeat_pos ; let __step_res = if __input . len ( ) > __pos { let ( __ch , __next ) = char_range_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) , } } else { __state . mark_failure ( __pos , "[a-zA-Z0-9_]" ) } ; match __step_res { Matched ( __newpos , __value ) => { __repeat_pos = __newpos ; } , Failed => { break ; } } } Matched ( __repeat_pos , ( ) ) } } Failed => Failed , } } { Matched ( __newpos , _ ) => { Matched ( __newpos , & __input [ str_start .. __newpos ] ) } , Failed => Failed , } } ; match __seq_res { Matched ( __pos , val ) => { Matched ( __pos , {  Sy::new(val)  } ) } Failed => Failed , } } ; __state . suppress_fail -= 1 ; res } ; match __choice_res { Matched ( __pos , __value ) => Matched ( __pos , __value ) , Failed => { __state . mark_failure ( __pos , "identifier" ) ; Failed } } } } 
[INFO] [stderr]    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/crater/target/debug/build/dustc-85141d9331c5e601/out/parse.rs:114:305
[INFO] [stderr]     |
[INFO] [stderr] 114 |  fn __parse_digit < 'input > ( __input : & 'input str , __state : & mut ParseState < 'input > , __pos : usize , file_span : Span ) -> 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 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `dustc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1c0d087be49498eb63f16b04bcfb62ed1844d6daf0bd6e3e5a16f13886948402"`
[INFO] running `"docker" "rm" "-f" "1c0d087be49498eb63f16b04bcfb62ed1844d6daf0bd6e3e5a16f13886948402"`
[INFO] [stdout] 1c0d087be49498eb63f16b04bcfb62ed1844d6daf0bd6e3e5a16f13886948402