Sep 01 23:50:17.023 INFO checking simple-bind-0.1.6 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851 Sep 01 23:50:17.023 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 01 23:50:17.024 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 23:50:17.234 INFO blam! 4aef637fc98981012626ba3ba76239ca72d28125be78a96eadfdc2775559af8b Sep 01 23:50:17.237 INFO running `"docker" "start" "-a" "4aef637fc98981012626ba3ba76239ca72d28125be78a96eadfdc2775559af8b"` Sep 01 23:50:18.091 INFO kablam! Compiling proc-macro2 v0.3.8 Sep 01 23:50:20.009 INFO kablam! error[E0433]: failed to resolve. Could not find `Op` in `proc_macro` Sep 01 23:50:20.009 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:131:42 Sep 01 23:50:20.009 INFO kablam! | Sep 01 23:50:20.009 INFO kablam! 131 | let mut op = proc_macro::Op::new(tt.op(), spacing); Sep 01 23:50:20.009 INFO kablam! | ^^ Could not find `Op` in `proc_macro` Sep 01 23:50:20.009 INFO kablam! Sep 01 23:50:20.026 INFO kablam! error[E0433]: failed to resolve. Could not find `Term` in `proc_macro` Sep 01 23:50:20.027 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:446:59 Sep 01 23:50:20.027 INFO kablam! | Sep 01 23:50:20.027 INFO kablam! 446 | Span::Nightly(s) => Term::Nightly(proc_macro::Term::new(string, s)), Sep 01 23:50:20.027 INFO kablam! | ^^^^ Could not find `Term` in `proc_macro` Sep 01 23:50:20.027 INFO kablam! Sep 01 23:50:20.037 INFO kablam! error[E0412]: cannot find type `Term` in module `proc_macro` Sep 01 23:50:20.037 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:439:25 Sep 01 23:50:20.037 INFO kablam! | Sep 01 23:50:20.037 INFO kablam! 439 | Nightly(proc_macro::Term), Sep 01 23:50:20.037 INFO kablam! | ^^^^ not found in `proc_macro` Sep 01 23:50:20.037 INFO kablam! help: possible candidates are found in other modules, you can import them into scope Sep 01 23:50:20.037 INFO kablam! | Sep 01 23:50:20.037 INFO kablam! 3 | use Term; Sep 01 23:50:20.037 INFO kablam! | Sep 01 23:50:20.037 INFO kablam! 3 | use imp::Term; Sep 01 23:50:20.037 INFO kablam! | Sep 01 23:50:20.037 INFO kablam! 3 | use stable::Term; Sep 01 23:50:20.037 INFO kablam! | Sep 01 23:50:20.038 INFO kablam! Sep 01 23:50:20.039 INFO kablam! error[E0412]: cannot find type `Term` in module `proc_macro` Sep 01 23:50:20.039 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:473:44 Sep 01 23:50:20.039 INFO kablam! | Sep 01 23:50:20.039 INFO kablam! 473 | fn unwrap_nightly(self) -> proc_macro::Term { Sep 01 23:50:20.039 INFO kablam! | ^^^^ not found in `proc_macro` Sep 01 23:50:20.039 INFO kablam! help: possible candidates are found in other modules, you can import them into scope Sep 01 23:50:20.039 INFO kablam! | Sep 01 23:50:20.039 INFO kablam! 3 | use Term; Sep 01 23:50:20.039 INFO kablam! | Sep 01 23:50:20.039 INFO kablam! 3 | use imp::Term; Sep 01 23:50:20.039 INFO kablam! | Sep 01 23:50:20.039 INFO kablam! 3 | use stable::Term; Sep 01 23:50:20.039 INFO kablam! | Sep 01 23:50:20.039 INFO kablam! Sep 01 23:50:20.090 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.090 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:262:13 Sep 01 23:50:20.090 INFO kablam! | Sep 01 23:50:20.090 INFO kablam! 262 | Nightly(proc_macro::SourceFile, FileName), Sep 01 23:50:20.090 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^ Sep 01 23:50:20.090 INFO kablam! | Sep 01 23:50:20.090 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.090 INFO kablam! Sep 01 23:50:20.091 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.091 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:267:20 Sep 01 23:50:20.091 INFO kablam! | Sep 01 23:50:20.091 INFO kablam! 267 | fn nightly(sf: proc_macro::SourceFile) -> Self { Sep 01 23:50:20.091 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^ Sep 01 23:50:20.091 INFO kablam! | Sep 01 23:50:20.091 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.091 INFO kablam! Sep 01 23:50:20.163 INFO kablam! error[E0433]: failed to resolve. Could not find `Op` in `proc_macro` Sep 01 23:50:20.163 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:131:42 Sep 01 23:50:20.163 INFO kablam! | Sep 01 23:50:20.163 INFO kablam! 131 | let mut op = proc_macro::Op::new(tt.op(), spacing); Sep 01 23:50:20.163 INFO kablam! | ^^ Could not find `Op` in `proc_macro` Sep 01 23:50:20.164 INFO kablam! Sep 01 23:50:20.180 INFO kablam! error[E0433]: failed to resolve. Could not find `Term` in `proc_macro` Sep 01 23:50:20.180 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:446:59 Sep 01 23:50:20.180 INFO kablam! | Sep 01 23:50:20.180 INFO kablam! 446 | Span::Nightly(s) => Term::Nightly(proc_macro::Term::new(string, s)), Sep 01 23:50:20.180 INFO kablam! | ^^^^ Could not find `Term` in `proc_macro` Sep 01 23:50:20.180 INFO kablam! Sep 01 23:50:20.189 INFO kablam! error[E0412]: cannot find type `Term` in module `proc_macro` Sep 01 23:50:20.189 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:439:25 Sep 01 23:50:20.189 INFO kablam! | Sep 01 23:50:20.189 INFO kablam! 439 | Nightly(proc_macro::Term), Sep 01 23:50:20.189 INFO kablam! | ^^^^ not found in `proc_macro` Sep 01 23:50:20.189 INFO kablam! help: possible candidates are found in other modules, you can import them into scope Sep 01 23:50:20.190 INFO kablam! | Sep 01 23:50:20.190 INFO kablam! 3 | use Term; Sep 01 23:50:20.190 INFO kablam! | Sep 01 23:50:20.190 INFO kablam! 3 | use imp::Term; Sep 01 23:50:20.190 INFO kablam! | Sep 01 23:50:20.190 INFO kablam! 3 | use stable::Term; Sep 01 23:50:20.190 INFO kablam! | Sep 01 23:50:20.190 INFO kablam! Sep 01 23:50:20.190 INFO kablam! error[E0412]: cannot find type `Term` in module `proc_macro` Sep 01 23:50:20.190 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:473:44 Sep 01 23:50:20.190 INFO kablam! | Sep 01 23:50:20.191 INFO kablam! 473 | fn unwrap_nightly(self) -> proc_macro::Term { Sep 01 23:50:20.191 INFO kablam! | ^^^^ not found in `proc_macro` Sep 01 23:50:20.191 INFO kablam! help: possible candidates are found in other modules, you can import them into scope Sep 01 23:50:20.191 INFO kablam! | Sep 01 23:50:20.191 INFO kablam! 3 | use Term; Sep 01 23:50:20.191 INFO kablam! | Sep 01 23:50:20.191 INFO kablam! 3 | use imp::Term; Sep 01 23:50:20.191 INFO kablam! | Sep 01 23:50:20.191 INFO kablam! 3 | use stable::Term; Sep 01 23:50:20.191 INFO kablam! | Sep 01 23:50:20.191 INFO kablam! Sep 01 23:50:20.220 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.220 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:262:13 Sep 01 23:50:20.220 INFO kablam! | Sep 01 23:50:20.220 INFO kablam! 262 | Nightly(proc_macro::SourceFile, FileName), Sep 01 23:50:20.221 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^ Sep 01 23:50:20.221 INFO kablam! | Sep 01 23:50:20.221 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.221 INFO kablam! Sep 01 23:50:20.221 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.222 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:267:20 Sep 01 23:50:20.222 INFO kablam! | Sep 01 23:50:20.222 INFO kablam! 267 | fn nightly(sf: proc_macro::SourceFile) -> Self { Sep 01 23:50:20.222 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^ Sep 01 23:50:20.222 INFO kablam! | Sep 01 23:50:20.222 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.222 INFO kablam! Sep 01 23:50:20.867 INFO kablam! error[E0599]: no function or associated item named `empty` found for type `proc_macro::TokenStream` in the current scope Sep 01 23:50:20.867 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:45:34 Sep 01 23:50:20.867 INFO kablam! | Sep 01 23:50:20.867 INFO kablam! 45 | TokenStream::Nightly(proc_macro::TokenStream::empty()) Sep 01 23:50:20.867 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `proc_macro::TokenStream` Sep 01 23:50:20.867 INFO kablam! Sep 01 23:50:20.888 INFO kablam! error[E0599]: no variant named `Op` found for type `proc_macro::TokenTree` in the current scope Sep 01 23:50:20.888 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:228:13 Sep 01 23:50:20.888 INFO kablam! | Sep 01 23:50:20.888 INFO kablam! 228 | proc_macro::TokenTree::Op(tt) => { Sep 01 23:50:20.888 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ variant not found in `proc_macro::TokenTree` Sep 01 23:50:20.888 INFO kablam! Sep 01 23:50:20.891 INFO kablam! error[E0599]: no variant named `Term` found for type `proc_macro::TokenTree` in the current scope Sep 01 23:50:20.891 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:237:13 Sep 01 23:50:20.891 INFO kablam! | Sep 01 23:50:20.891 INFO kablam! 237 | proc_macro::TokenTree::Term(s) => ::Term::_new(Term::Nightly(s)).into(), Sep 01 23:50:20.891 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ variant not found in `proc_macro::TokenTree` Sep 01 23:50:20.891 INFO kablam! Sep 01 23:50:20.898 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.898 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:268:45 Sep 01 23:50:20.898 INFO kablam! | Sep 01 23:50:20.898 INFO kablam! 268 | let filename = stable::file_name(sf.path().to_string()); Sep 01 23:50:20.898 INFO kablam! | ^^^^ Sep 01 23:50:20.898 INFO kablam! | Sep 01 23:50:20.898 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.898 INFO kablam! Sep 01 23:50:20.900 INFO kablam! error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope Sep 01 23:50:20.900 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:268:52 Sep 01 23:50:20.900 INFO kablam! | Sep 01 23:50:20.900 INFO kablam! 268 | let filename = stable::file_name(sf.path().to_string()); Sep 01 23:50:20.900 INFO kablam! | ^^^^^^^^^ Sep 01 23:50:20.900 INFO kablam! | Sep 01 23:50:20.900 INFO kablam! = note: the method `to_string` exists but the following trait bounds were not satisfied: Sep 01 23:50:20.900 INFO kablam! `std::path::PathBuf : std::string::ToString` Sep 01 23:50:20.900 INFO kablam! `std::path::Path : std::string::ToString` Sep 01 23:50:20.900 INFO kablam! = help: did you mean `to_str`? Sep 01 23:50:20.900 INFO kablam! Sep 01 23:50:20.901 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.901 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:282:44 Sep 01 23:50:20.901 INFO kablam! | Sep 01 23:50:20.901 INFO kablam! 282 | SourceFile::Nightly(a, _) => a.is_real(), Sep 01 23:50:20.901 INFO kablam! | ^^^^^^^ Sep 01 23:50:20.901 INFO kablam! | Sep 01 23:50:20.901 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.901 INFO kablam! Sep 01 23:50:20.902 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.903 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:325:27 Sep 01 23:50:20.903 INFO kablam! | Sep 01 23:50:20.903 INFO kablam! 325 | Span::Nightly(proc_macro::Span::def_site()) Sep 01 23:50:20.903 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 23:50:20.903 INFO kablam! | Sep 01 23:50:20.903 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.903 INFO kablam! Sep 01 23:50:20.903 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.903 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:333:69 Sep 01 23:50:20.903 INFO kablam! | Sep 01 23:50:20.903 INFO kablam! 333 | (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)), Sep 01 23:50:20.903 INFO kablam! | ^^^^^^^^^^^ Sep 01 23:50:20.904 INFO kablam! | Sep 01 23:50:20.904 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.904 INFO kablam! Sep 01 23:50:20.904 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.904 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:341:69 Sep 01 23:50:20.904 INFO kablam! | Sep 01 23:50:20.904 INFO kablam! 341 | (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)), Sep 01 23:50:20.904 INFO kablam! | ^^^^^^^^^^ Sep 01 23:50:20.904 INFO kablam! | Sep 01 23:50:20.904 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.904 INFO kablam! Sep 01 23:50:20.905 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:20.905 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:402:55 Sep 01 23:50:20.905 INFO kablam! | Sep 01 23:50:20.905 INFO kablam! 402 | (Span::Nightly(a), Span::Nightly(b)) => a.eq(b), Sep 01 23:50:20.905 INFO kablam! | ^^ Sep 01 23:50:20.905 INFO kablam! | Sep 01 23:50:20.905 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:20.905 INFO kablam! Sep 01 23:50:20.936 INFO kablam! error: aborting due to 16 previous errors Sep 01 23:50:20.936 INFO kablam! Sep 01 23:50:20.936 INFO kablam! Some errors occurred: E0412, E0433, E0599, E0658. Sep 01 23:50:20.936 INFO kablam! For more information about an error, try `rustc --explain E0412`. Sep 01 23:50:20.946 INFO kablam! error: Could not compile `proc-macro2`. Sep 01 23:50:20.946 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 01 23:50:21.086 INFO kablam! error[E0599]: no function or associated item named `empty` found for type `proc_macro::TokenStream` in the current scope Sep 01 23:50:21.086 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:45:34 Sep 01 23:50:21.086 INFO kablam! | Sep 01 23:50:21.087 INFO kablam! 45 | TokenStream::Nightly(proc_macro::TokenStream::empty()) Sep 01 23:50:21.087 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `proc_macro::TokenStream` Sep 01 23:50:21.087 INFO kablam! Sep 01 23:50:21.117 INFO kablam! error[E0599]: no variant named `Op` found for type `proc_macro::TokenTree` in the current scope Sep 01 23:50:21.117 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:228:13 Sep 01 23:50:21.117 INFO kablam! | Sep 01 23:50:21.117 INFO kablam! 228 | proc_macro::TokenTree::Op(tt) => { Sep 01 23:50:21.117 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ variant not found in `proc_macro::TokenTree` Sep 01 23:50:21.117 INFO kablam! Sep 01 23:50:21.122 INFO kablam! error[E0599]: no variant named `Term` found for type `proc_macro::TokenTree` in the current scope Sep 01 23:50:21.122 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:237:13 Sep 01 23:50:21.122 INFO kablam! | Sep 01 23:50:21.122 INFO kablam! 237 | proc_macro::TokenTree::Term(s) => ::Term::_new(Term::Nightly(s)).into(), Sep 01 23:50:21.123 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ variant not found in `proc_macro::TokenTree` Sep 01 23:50:21.123 INFO kablam! Sep 01 23:50:21.133 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:21.133 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:268:45 Sep 01 23:50:21.134 INFO kablam! | Sep 01 23:50:21.134 INFO kablam! 268 | let filename = stable::file_name(sf.path().to_string()); Sep 01 23:50:21.134 INFO kablam! | ^^^^ Sep 01 23:50:21.134 INFO kablam! | Sep 01 23:50:21.134 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:21.134 INFO kablam! Sep 01 23:50:21.137 INFO kablam! error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope Sep 01 23:50:21.137 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:268:52 Sep 01 23:50:21.137 INFO kablam! | Sep 01 23:50:21.137 INFO kablam! 268 | let filename = stable::file_name(sf.path().to_string()); Sep 01 23:50:21.137 INFO kablam! | ^^^^^^^^^ Sep 01 23:50:21.137 INFO kablam! | Sep 01 23:50:21.137 INFO kablam! = note: the method `to_string` exists but the following trait bounds were not satisfied: Sep 01 23:50:21.137 INFO kablam! `std::path::PathBuf : std::string::ToString` Sep 01 23:50:21.137 INFO kablam! `std::path::Path : std::string::ToString` Sep 01 23:50:21.137 INFO kablam! = help: did you mean `to_str`? Sep 01 23:50:21.137 INFO kablam! Sep 01 23:50:21.138 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:21.138 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:282:44 Sep 01 23:50:21.138 INFO kablam! | Sep 01 23:50:21.138 INFO kablam! 282 | SourceFile::Nightly(a, _) => a.is_real(), Sep 01 23:50:21.138 INFO kablam! | ^^^^^^^ Sep 01 23:50:21.138 INFO kablam! | Sep 01 23:50:21.138 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:21.138 INFO kablam! Sep 01 23:50:21.141 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:21.141 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:325:27 Sep 01 23:50:21.141 INFO kablam! | Sep 01 23:50:21.141 INFO kablam! 325 | Span::Nightly(proc_macro::Span::def_site()) Sep 01 23:50:21.141 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 23:50:21.141 INFO kablam! | Sep 01 23:50:21.141 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:21.141 INFO kablam! Sep 01 23:50:21.142 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:21.142 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:333:69 Sep 01 23:50:21.142 INFO kablam! | Sep 01 23:50:21.142 INFO kablam! 333 | (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)), Sep 01 23:50:21.142 INFO kablam! | ^^^^^^^^^^^ Sep 01 23:50:21.142 INFO kablam! | Sep 01 23:50:21.142 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:21.142 INFO kablam! Sep 01 23:50:21.142 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:21.143 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:341:69 Sep 01 23:50:21.143 INFO kablam! | Sep 01 23:50:21.143 INFO kablam! 341 | (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)), Sep 01 23:50:21.143 INFO kablam! | ^^^^^^^^^^ Sep 01 23:50:21.143 INFO kablam! | Sep 01 23:50:21.143 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:21.143 INFO kablam! Sep 01 23:50:21.144 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356) Sep 01 23:50:21.144 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:402:55 Sep 01 23:50:21.144 INFO kablam! | Sep 01 23:50:21.144 INFO kablam! 402 | (Span::Nightly(a), Span::Nightly(b)) => a.eq(b), Sep 01 23:50:21.144 INFO kablam! | ^^ Sep 01 23:50:21.144 INFO kablam! | Sep 01 23:50:21.144 INFO kablam! = help: add #![feature(proc_macro_span)] to the crate attributes to enable Sep 01 23:50:21.144 INFO kablam! Sep 01 23:50:21.194 INFO kablam! error: aborting due to 16 previous errors Sep 01 23:50:21.194 INFO kablam! Sep 01 23:50:21.194 INFO kablam! Some errors occurred: E0412, E0433, E0599, E0658. Sep 01 23:50:21.194 INFO kablam! For more information about an error, try `rustc --explain E0412`. Sep 01 23:50:21.209 INFO kablam! error: Could not compile `proc-macro2`. Sep 01 23:50:21.209 INFO kablam! Sep 01 23:50:21.209 INFO kablam! To learn more, run the command again with --verbose. Sep 01 23:50:21.211 INFO kablam! su: No module specific data is present Sep 01 23:50:21.630 INFO running `"docker" "rm" "-f" "4aef637fc98981012626ba3ba76239ca72d28125be78a96eadfdc2775559af8b"` Sep 01 23:50:21.754 INFO blam! 4aef637fc98981012626ba3ba76239ca72d28125be78a96eadfdc2775559af8b