Aug 31 19:04:14.948 INFO checking yoshuawuyts/spec-rust against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Aug 31 19:04:14.948 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Aug 31 19:04:14.948 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 19:04:15.200 INFO blam! dd89705ef82fc83b23703c41f05981a596983f437b39e62af205316237587675
Aug 31 19:04:15.202 INFO running `"docker" "start" "-a" "dd89705ef82fc83b23703c41f05981a596983f437b39e62af205316237587675"`
Aug 31 19:04:16.339 INFO kablam!     Checking either v1.4.0
Aug 31 19:04:16.339 INFO kablam!     Checking libc v0.2.42
Aug 31 19:04:16.339 INFO kablam!     Checking cfg-if v0.1.2
Aug 31 19:04:16.339 INFO kablam!     Checking nodrop v0.1.12
Aug 31 19:04:16.339 INFO kablam!     Checking lazy_static v1.0.0
Aug 31 19:04:16.339 INFO kablam!     Checking scopeguard v0.3.3
Aug 31 19:04:16.339 INFO kablam!    Compiling unicode-xid v0.1.0
Aug 31 19:04:16.339 INFO kablam!    Compiling cc v1.0.17
Aug 31 19:04:16.738 INFO kablam!     Checking byteorder v1.2.1
Aug 31 19:04:16.794 INFO kablam!     Checking memoffset v0.2.1
Aug 31 19:04:16.851 INFO kablam!    Compiling unicode-xid v0.0.4
Aug 31 19:04:16.878 INFO kablam!     Checking void v1.0.2
Aug 31 19:04:17.181 INFO kablam!    Compiling libloading v0.4.3
Aug 31 19:04:17.614 INFO kablam!    Compiling quote v0.3.15
Aug 31 19:04:17.733 INFO kablam!     Checking slab v0.4.0
Aug 31 19:04:18.260 INFO kablam!    Compiling glob v0.2.11
Aug 31 19:04:18.847 INFO kablam!     Checking lazycell v0.6.0
Aug 31 19:04:19.346 INFO kablam!     Checking futures v0.1.21
Aug 31 19:04:19.939 INFO kablam!     Checking regex-syntax v0.4.2
Aug 31 19:04:20.086 INFO kablam!     Checking utf8-ranges v1.0.0
Aug 31 19:04:21.724 INFO kablam!    Compiling rayon-core v1.3.0
Aug 31 19:04:23.553 INFO kablam!     Checking unicode-width v0.1.4
Aug 31 19:04:23.562 INFO kablam!     Checking vec_map v0.8.0
Aug 31 19:04:26.758 INFO kablam!     Checking rustc-demangle v0.1.8
Aug 31 19:04:26.765 INFO kablam!     Checking lazy_static v0.2.11
Aug 31 19:04:26.893 INFO kablam!    Compiling nix v0.10.0
Aug 31 19:04:27.049 INFO kablam!     Checking strsim v0.7.0
Aug 31 19:04:27.589 INFO kablam!     Checking bitflags v1.0.1
Aug 31 19:04:27.920 INFO kablam!    Compiling bindgen v0.32.3
Aug 31 19:04:28.834 INFO kablam!     Checking ansi_term v0.10.2
Aug 31 19:04:28.868 INFO kablam!     Checking futures-await-await-macro v0.1.1
Aug 31 19:04:28.954 INFO kablam!     Checking peeking_take_while v0.1.2
Aug 31 19:04:29.264 INFO kablam!     Checking crossbeam-utils v0.3.2
Aug 31 19:04:29.681 INFO kablam!     Checking log v0.4.1
Aug 31 19:04:30.617 INFO kablam!     Checking arrayvec v0.4.7
Aug 31 19:04:30.779 INFO kablam!    Compiling proc-macro2 v0.4.6
Aug 31 19:04:32.145 INFO kablam!     Checking unreachable v1.0.0
Aug 31 19:04:32.199 INFO kablam!    Compiling synom v0.11.3
Aug 31 19:04:32.254 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 31 19:04:32.254 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:284:13
Aug 31 19:04:32.254 INFO kablam!     |
Aug 31 19:04:32.254 INFO kablam! 284 |     Nightly(proc_macro::SourceFile, FileName),
Aug 31 19:04:32.254 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:04:32.254 INFO kablam!     |
Aug 31 19:04:32.254 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 31 19:04:32.255 INFO kablam! 
Aug 31 19:04:32.255 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 31 19:04:32.255 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:289:20
Aug 31 19:04:32.255 INFO kablam!     |
Aug 31 19:04:32.255 INFO kablam! 289 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
Aug 31 19:04:32.255 INFO kablam!     |                    ^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:04:32.255 INFO kablam!     |
Aug 31 19:04:32.255 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 31 19:04:32.255 INFO kablam! 
Aug 31 19:04:32.752 INFO kablam!     Checking futures-core v0.2.1
Aug 31 19:04:33.549 INFO kablam!     Checking coco v0.1.1
Aug 31 19:04:34.847 INFO kablam!     Checking proc-macro2 v0.2.2
Aug 31 19:04:35.442 INFO kablam!     Checking textwrap v0.9.0
Aug 31 19:04:36.196 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 31 19:04:36.196 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:45
Aug 31 19:04:36.196 INFO kablam!     |
Aug 31 19:04:36.196 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Aug 31 19:04:36.196 INFO kablam!     |                                             ^^^^
Aug 31 19:04:36.224 INFO kablam!     |
Aug 31 19:04:36.225 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 31 19:04:36.225 INFO kablam! 
Aug 31 19:04:36.552 INFO kablam! error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope
Aug 31 19:04:36.552 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:52
Aug 31 19:04:36.552 INFO kablam!     |
Aug 31 19:04:36.552 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Aug 31 19:04:36.552 INFO kablam!     |                                                    ^^^^^^^^^
Aug 31 19:04:36.580 INFO kablam!     |
Aug 31 19:04:36.581 INFO kablam!     = note: the method `to_string` exists but the following trait bounds were not satisfied:
Aug 31 19:04:36.581 INFO kablam!             `std::path::PathBuf : std::string::ToString`
Aug 31 19:04:36.581 INFO kablam!             `std::path::Path : std::string::ToString`
Aug 31 19:04:36.581 INFO kablam!     = help: did you mean `to_str`?
Aug 31 19:04:36.582 INFO kablam! 
Aug 31 19:04:36.583 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 31 19:04:36.583 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:304:44
Aug 31 19:04:36.583 INFO kablam!     |
Aug 31 19:04:36.583 INFO kablam! 304 |             SourceFile::Nightly(a, _) => a.is_real(),
Aug 31 19:04:36.583 INFO kablam!     |                                            ^^^^^^^
Aug 31 19:04:36.584 INFO kablam!     |
Aug 31 19:04:36.584 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 31 19:04:36.585 INFO kablam! 
Aug 31 19:04:36.587 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 31 19:04:36.587 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:347:27
Aug 31 19:04:36.587 INFO kablam!     |
Aug 31 19:04:36.587 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Aug 31 19:04:36.587 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:04:36.588 INFO kablam!     |
Aug 31 19:04:36.588 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 31 19:04:36.589 INFO kablam! 
Aug 31 19:04:36.590 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 31 19:04:36.590 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:355:69
Aug 31 19:04:36.590 INFO kablam!     |
Aug 31 19:04:36.590 INFO kablam! 355 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)),
Aug 31 19:04:36.590 INFO kablam!     |                                                                     ^^^^^^^^^^^
Aug 31 19:04:36.600 INFO kablam!     |
Aug 31 19:04:36.601 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 31 19:04:36.601 INFO kablam! 
Aug 31 19:04:36.602 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 31 19:04:36.602 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:363:69
Aug 31 19:04:36.602 INFO kablam!     |
Aug 31 19:04:36.602 INFO kablam! 363 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)),
Aug 31 19:04:36.602 INFO kablam!     |                                                                     ^^^^^^^^^^
Aug 31 19:04:36.620 INFO kablam!     |
Aug 31 19:04:36.621 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 31 19:04:36.621 INFO kablam! 
Aug 31 19:04:36.623 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 31 19:04:36.623 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:424:55
Aug 31 19:04:36.623 INFO kablam!     |
Aug 31 19:04:36.623 INFO kablam! 424 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
Aug 31 19:04:36.623 INFO kablam!     |                                                       ^^
Aug 31 19:04:36.624 INFO kablam!     |
Aug 31 19:04:36.624 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 31 19:04:36.624 INFO kablam! 
Aug 31 19:04:36.629 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_raw_ident' (see issue #38356)
Aug 31 19:04:36.629 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:475:48
Aug 31 19:04:36.629 INFO kablam!     |
Aug 31 19:04:36.629 INFO kablam! 475 |             Span::Nightly(s) => Ident::Nightly(proc_macro::Ident::new_raw(string, s)),
Aug 31 19:04:36.629 INFO kablam!     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 19:04:36.644 INFO kablam!     |
Aug 31 19:04:36.645 INFO kablam!     = help: add #![feature(proc_macro_raw_ident)] to the crate attributes to enable
Aug 31 19:04:36.645 INFO kablam! 
Aug 31 19:04:36.708 INFO kablam! error: aborting due to 10 previous errors
Aug 31 19:04:36.716 INFO kablam! 
Aug 31 19:04:36.717 INFO kablam! Some errors occurred: E0599, E0658.
Aug 31 19:04:36.717 INFO kablam! For more information about an error, try `rustc --explain E0599`.
Aug 31 19:04:36.739 INFO kablam! error: Could not compile `proc-macro2`.
Aug 31 19:04:36.739 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 19:04:40.063 INFO kablam! error: build failed
Aug 31 19:04:40.065 INFO kablam! su: No module specific data is present
Aug 31 19:04:40.456 INFO running `"docker" "rm" "-f" "dd89705ef82fc83b23703c41f05981a596983f437b39e62af205316237587675"`
Aug 31 19:04:40.553 INFO blam! dd89705ef82fc83b23703c41f05981a596983f437b39e62af205316237587675