Sep 14 02:03:35.778 INFO checking yoshuawuyts/spec-rust against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 02:03:35.778 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 02:03:35.779 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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=1000" "-e" "CMD=cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 02:03:36.125 INFO blam! 96d81769a276991e312141202d34a6804aded167b3c0632fb91cb913b151705b
Sep 14 02:03:36.134 INFO running `"docker" "start" "-a" "96d81769a276991e312141202d34a6804aded167b3c0632fb91cb913b151705b"`
Sep 14 02:03:37.863 INFO kablam! usermod: no changes
Sep 14 02:03:38.103 INFO kablam!     Checking either v1.4.0
Sep 14 02:03:38.103 INFO kablam!     Checking libc v0.2.42
Sep 14 02:03:38.111 INFO kablam!     Checking nodrop v0.1.12
Sep 14 02:03:38.115 INFO kablam!     Checking void v1.0.2
Sep 14 02:03:38.116 INFO kablam!     Checking scopeguard v0.3.3
Sep 14 02:03:38.117 INFO kablam!     Checking lazy_static v1.0.0
Sep 14 02:03:38.119 INFO kablam!    Compiling cc v1.0.17
Sep 14 02:03:38.132 INFO kablam!    Compiling unicode-xid v0.1.0
Sep 14 02:03:38.783 INFO kablam!     Checking memoffset v0.2.1
Sep 14 02:03:38.803 INFO kablam!    Compiling glob v0.2.11
Sep 14 02:03:38.995 INFO kablam!     Checking futures v0.1.21
Sep 14 02:03:39.035 INFO kablam!    Compiling libloading v0.4.3
Sep 14 02:03:39.207 INFO kablam!     Checking lazycell v0.6.0
Sep 14 02:03:39.355 INFO kablam!     Checking slab v0.4.0
Sep 14 02:03:40.558 INFO kablam!    Compiling rayon-core v1.3.0
Sep 14 02:03:40.565 INFO kablam!     Checking regex-syntax v0.4.2
Sep 14 02:03:41.594 INFO kablam!     Checking utf8-ranges v1.0.0
Sep 14 02:03:41.823 INFO kablam!     Checking rustc-demangle v0.1.8
Sep 14 02:03:42.803 INFO kablam!    Compiling bindgen v0.32.3
Sep 14 02:03:43.075 INFO kablam!     Checking lazy_static v0.2.11
Sep 14 02:03:46.407 INFO kablam!    Compiling nix v0.10.0
Sep 14 02:03:49.111 INFO kablam!     Checking futures-await-await-macro v0.1.1
Sep 14 02:03:49.139 INFO kablam!     Checking peeking_take_while v0.1.2
Sep 14 02:03:49.141 INFO kablam!     Checking crossbeam-utils v0.3.2
Sep 14 02:03:49.147 INFO kablam!     Checking log v0.4.1
Sep 14 02:03:49.300 INFO kablam!     Checking unreachable v1.0.0
Sep 14 02:03:49.330 INFO kablam!     Checking arrayvec v0.4.7
Sep 14 02:03:49.660 INFO kablam!    Compiling proc-macro2 v0.4.6
Sep 14 02:03:49.780 INFO kablam!     Checking futures-core v0.2.1
Sep 14 02:03:49.831 INFO kablam!     Checking coco v0.1.1
Sep 14 02:03:50.547 INFO kablam!     Checking proc-macro2 v0.2.2
Sep 14 02:03:50.623 INFO kablam!     Checking iovec v0.1.2
Sep 14 02:03:51.787 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 14 02:03:51.787 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:284:13
Sep 14 02:03:51.787 INFO kablam!     |
Sep 14 02:03:51.787 INFO kablam! 284 |     Nightly(proc_macro::SourceFile, FileName),
Sep 14 02:03:51.787 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^
Sep 14 02:03:51.787 INFO kablam!     |
Sep 14 02:03:51.787 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 14 02:03:51.787 INFO kablam! 
Sep 14 02:03:51.787 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 14 02:03:51.787 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:289:20
Sep 14 02:03:51.787 INFO kablam!     |
Sep 14 02:03:51.787 INFO kablam! 289 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
Sep 14 02:03:51.787 INFO kablam!     |                    ^^^^^^^^^^^^^^^^^^^^^^
Sep 14 02:03:51.787 INFO kablam!     |
Sep 14 02:03:51.787 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 14 02:03:51.787 INFO kablam! 
Sep 14 02:03:51.863 INFO kablam!     Checking memchr v2.0.1
Sep 14 02:03:52.015 INFO kablam!     Checking num_cpus v1.8.0
Sep 14 02:03:52.992 INFO kablam!     Checking net2 v0.2.32
Sep 14 02:03:53.169 INFO kablam!     Checking rand v0.4.2
Sep 14 02:03:53.209 INFO kablam!     Checking memchr v1.0.2
Sep 14 02:03:54.057 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 14 02:03:54.057 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:45
Sep 14 02:03:54.057 INFO kablam!     |
Sep 14 02:03:54.057 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 14 02:03:54.057 INFO kablam!     |                                             ^^^^
Sep 14 02:03:54.087 INFO kablam!     |
Sep 14 02:03:54.087 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 14 02:03:54.087 INFO kablam! 
Sep 14 02:03:54.119 INFO kablam!     Checking atty v0.2.6
Sep 14 02:03:54.179 INFO kablam!     Checking which v1.0.3
Sep 14 02:03:54.322 INFO kablam! error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope
Sep 14 02:03:54.322 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:52
Sep 14 02:03:54.323 INFO kablam!     |
Sep 14 02:03:54.323 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 14 02:03:54.323 INFO kablam!     |                                                    ^^^^^^^^^
Sep 14 02:03:54.331 INFO kablam!     |
Sep 14 02:03:54.331 INFO kablam!     = note: the method `to_string` exists but the following trait bounds were not satisfied:
Sep 14 02:03:54.331 INFO kablam!             `std::path::PathBuf : std::string::ToString`
Sep 14 02:03:54.331 INFO kablam!             `std::path::Path : std::string::ToString`
Sep 14 02:03:54.331 INFO kablam!     = help: did you mean `to_str`?
Sep 14 02:03:54.331 INFO kablam! 
Sep 14 02:03:54.332 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 14 02:03:54.332 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:304:44
Sep 14 02:03:54.332 INFO kablam!     |
Sep 14 02:03:54.332 INFO kablam! 304 |             SourceFile::Nightly(a, _) => a.is_real(),
Sep 14 02:03:54.332 INFO kablam!     |                                            ^^^^^^^
Sep 14 02:03:54.332 INFO kablam!     |
Sep 14 02:03:54.332 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 14 02:03:54.332 INFO kablam! 
Sep 14 02:03:54.333 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 14 02:03:54.333 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:347:27
Sep 14 02:03:54.333 INFO kablam!     |
Sep 14 02:03:54.333 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Sep 14 02:03:54.333 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 02:03:54.334 INFO kablam!     |
Sep 14 02:03:54.334 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 14 02:03:54.334 INFO kablam! 
Sep 14 02:03:54.334 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 14 02:03:54.334 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:355:69
Sep 14 02:03:54.334 INFO kablam!     |
Sep 14 02:03:54.334 INFO kablam! 355 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)),
Sep 14 02:03:54.334 INFO kablam!     |                                                                     ^^^^^^^^^^^
Sep 14 02:03:54.334 INFO kablam!     |
Sep 14 02:03:54.334 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 14 02:03:54.351 INFO kablam! 
Sep 14 02:03:54.352 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 14 02:03:54.352 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:363:69
Sep 14 02:03:54.352 INFO kablam!     |
Sep 14 02:03:54.352 INFO kablam! 363 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)),
Sep 14 02:03:54.352 INFO kablam!     |                                                                     ^^^^^^^^^^
Sep 14 02:03:54.352 INFO kablam!     |
Sep 14 02:03:54.352 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 14 02:03:54.352 INFO kablam! 
Sep 14 02:03:54.352 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 14 02:03:54.353 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:424:55
Sep 14 02:03:54.353 INFO kablam!     |
Sep 14 02:03:54.353 INFO kablam! 424 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
Sep 14 02:03:54.353 INFO kablam!     |                                                       ^^
Sep 14 02:03:54.359 INFO kablam!     |
Sep 14 02:03:54.359 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 14 02:03:54.359 INFO kablam! 
Sep 14 02:03:54.362 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_raw_ident' (see issue #38356)
Sep 14 02:03:54.362 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:475:48
Sep 14 02:03:54.362 INFO kablam!     |
Sep 14 02:03:54.362 INFO kablam! 475 |             Span::Nightly(s) => Ident::Nightly(proc_macro::Ident::new_raw(string, s)),
Sep 14 02:03:54.362 INFO kablam!     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 02:03:54.362 INFO kablam!     |
Sep 14 02:03:54.362 INFO kablam!     = help: add #![feature(proc_macro_raw_ident)] to the crate attributes to enable
Sep 14 02:03:54.362 INFO kablam! 
Sep 14 02:03:54.487 INFO kablam! error: aborting due to 10 previous errors
Sep 14 02:03:54.495 INFO kablam! 
Sep 14 02:03:54.495 INFO kablam! Some errors occurred: E0599, E0658.
Sep 14 02:03:54.495 INFO kablam! For more information about an error, try `rustc --explain E0599`.
Sep 14 02:03:54.512 INFO kablam!    Compiling backtrace-sys v0.1.23
Sep 14 02:03:54.544 INFO kablam! error: Could not compile `proc-macro2`.
Sep 14 02:03:54.544 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 02:03:57.310 INFO kablam! error: build failed
Sep 14 02:03:57.311 INFO kablam! su: No module specific data is present
Sep 14 02:03:58.185 INFO running `"docker" "rm" "-f" "96d81769a276991e312141202d34a6804aded167b3c0632fb91cb913b151705b"`
Sep 14 02:03:58.420 INFO blam! 96d81769a276991e312141202d34a6804aded167b3c0632fb91cb913b151705b