Sep 05 16:35:35.619 INFO checking yoshuawuyts/spec-rust against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 16:35:35.619 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 16:35:35.619 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 16:35:35.979 INFO blam! a4a4452498575e99fe1ef4f94746d2b1428af1fed2a7350453cb7565dac4e604
Sep 05 16:35:35.980 INFO running `"docker" "start" "-a" "a4a4452498575e99fe1ef4f94746d2b1428af1fed2a7350453cb7565dac4e604"`
Sep 05 16:35:37.103 INFO kablam! usermod: no changes
Sep 05 16:35:37.270 INFO kablam!     Checking either v1.4.0
Sep 05 16:35:37.270 INFO kablam!     Checking libc v0.2.42
Sep 05 16:35:37.270 INFO kablam!     Checking cfg-if v0.1.2
Sep 05 16:35:37.270 INFO kablam!     Checking nodrop v0.1.12
Sep 05 16:35:37.270 INFO kablam!    Compiling unicode-xid v0.1.0
Sep 05 16:35:37.270 INFO kablam!     Checking memoffset v0.2.1
Sep 05 16:35:37.270 INFO kablam!    Compiling cc v1.0.17
Sep 05 16:35:37.270 INFO kablam!     Checking void v1.0.2
Sep 05 16:35:37.578 INFO kablam!    Compiling unicode-xid v0.0.4
Sep 05 16:35:37.765 INFO kablam!     Checking lazy_static v1.0.0
Sep 05 16:35:37.813 INFO kablam!     Checking byteorder v1.2.1
Sep 05 16:35:37.909 INFO kablam!     Checking scopeguard v0.3.3
Sep 05 16:35:37.956 INFO kablam!     Checking slab v0.4.0
Sep 05 16:35:38.326 INFO kablam!    Compiling glob v0.2.11
Sep 05 16:35:38.326 INFO kablam!    Compiling quote v0.3.15
Sep 05 16:35:38.382 INFO kablam!     Checking futures v0.1.21
Sep 05 16:35:38.915 INFO kablam!    Compiling libloading v0.4.3
Sep 05 16:35:39.798 INFO kablam!     Checking lazycell v0.6.0
Sep 05 16:35:40.918 INFO kablam!     Checking unicode-width v0.1.4
Sep 05 16:35:41.890 INFO kablam!     Checking regex-syntax v0.4.2
Sep 05 16:35:45.445 INFO kablam!     Checking utf8-ranges v1.0.0
Sep 05 16:35:47.830 INFO kablam!    Compiling rayon-core v1.3.0
Sep 05 16:35:48.058 INFO kablam!    Compiling bindgen v0.32.3
Sep 05 16:35:49.278 INFO kablam!    Compiling nix v0.10.0
Sep 05 16:35:49.513 INFO kablam!     Checking rustc-demangle v0.1.8
Sep 05 16:35:49.570 INFO kablam!     Checking ansi_term v0.10.2
Sep 05 16:35:50.379 INFO kablam!     Checking vec_map v0.8.0
Sep 05 16:35:50.539 INFO kablam!     Checking bitflags v1.0.1
Sep 05 16:35:51.373 INFO kablam!     Checking lazy_static v0.2.11
Sep 05 16:35:51.830 INFO kablam!     Checking strsim v0.7.0
Sep 05 16:35:52.045 INFO kablam!     Checking futures-await-await-macro v0.1.1
Sep 05 16:35:52.114 INFO kablam!     Checking peeking_take_while v0.1.2
Sep 05 16:35:52.399 INFO kablam!     Checking crossbeam-utils v0.3.2
Sep 05 16:35:52.504 INFO kablam!     Checking log v0.4.1
Sep 05 16:35:52.514 INFO kablam!     Checking unreachable v1.0.0
Sep 05 16:35:52.679 INFO kablam!     Checking arrayvec v0.4.7
Sep 05 16:35:52.776 INFO kablam!    Compiling synom v0.11.3
Sep 05 16:35:52.850 INFO kablam!     Checking futures-core v0.2.1
Sep 05 16:35:53.064 INFO kablam!    Compiling proc-macro2 v0.4.6
Sep 05 16:35:54.068 INFO kablam!     Checking coco v0.1.1
Sep 05 16:35:54.234 INFO kablam!     Checking textwrap v0.9.0
Sep 05 16:35:54.315 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 05 16:35:54.315 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:284:13
Sep 05 16:35:54.315 INFO kablam!     |
Sep 05 16:35:54.315 INFO kablam! 284 |     Nightly(proc_macro::SourceFile, FileName),
Sep 05 16:35:54.315 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^
Sep 05 16:35:54.315 INFO kablam!     |
Sep 05 16:35:54.315 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 05 16:35:54.315 INFO kablam! 
Sep 05 16:35:54.315 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 05 16:35:54.315 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:289:20
Sep 05 16:35:54.315 INFO kablam!     |
Sep 05 16:35:54.315 INFO kablam! 289 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
Sep 05 16:35:54.315 INFO kablam!     |                    ^^^^^^^^^^^^^^^^^^^^^^
Sep 05 16:35:54.318 INFO kablam!     |
Sep 05 16:35:54.318 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 05 16:35:54.318 INFO kablam! 
Sep 05 16:35:55.050 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 05 16:35:55.050 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:45
Sep 05 16:35:55.050 INFO kablam!     |
Sep 05 16:35:55.050 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 05 16:35:55.050 INFO kablam!     |                                             ^^^^
Sep 05 16:35:55.050 INFO kablam!     |
Sep 05 16:35:55.050 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 05 16:35:55.050 INFO kablam! 
Sep 05 16:35:55.098 INFO kablam! error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope
Sep 05 16:35:55.098 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:52
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 05 16:35:55.098 INFO kablam!     |                                                    ^^^^^^^^^
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam!     = note: the method `to_string` exists but the following trait bounds were not satisfied:
Sep 05 16:35:55.098 INFO kablam!             `std::path::PathBuf : std::string::ToString`
Sep 05 16:35:55.098 INFO kablam!             `std::path::Path : std::string::ToString`
Sep 05 16:35:55.098 INFO kablam!     = help: did you mean `to_str`?
Sep 05 16:35:55.098 INFO kablam! 
Sep 05 16:35:55.098 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 05 16:35:55.098 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:304:44
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam! 304 |             SourceFile::Nightly(a, _) => a.is_real(),
Sep 05 16:35:55.098 INFO kablam!     |                                            ^^^^^^^
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 05 16:35:55.098 INFO kablam! 
Sep 05 16:35:55.098 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 05 16:35:55.098 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:347:27
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Sep 05 16:35:55.098 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 05 16:35:55.098 INFO kablam! 
Sep 05 16:35:55.098 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 05 16:35:55.098 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:355:69
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam! 355 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)),
Sep 05 16:35:55.098 INFO kablam!     |                                                                     ^^^^^^^^^^^
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 05 16:35:55.098 INFO kablam! 
Sep 05 16:35:55.098 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 05 16:35:55.098 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:363:69
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam! 363 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)),
Sep 05 16:35:55.098 INFO kablam!     |                                                                     ^^^^^^^^^^
Sep 05 16:35:55.098 INFO kablam!     |
Sep 05 16:35:55.098 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 05 16:35:55.099 INFO kablam! 
Sep 05 16:35:55.099 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 05 16:35:55.099 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:424:55
Sep 05 16:35:55.099 INFO kablam!     |
Sep 05 16:35:55.099 INFO kablam! 424 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
Sep 05 16:35:55.099 INFO kablam!     |                                                       ^^
Sep 05 16:35:55.099 INFO kablam!     |
Sep 05 16:35:55.099 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 05 16:35:55.099 INFO kablam! 
Sep 05 16:35:55.106 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_raw_ident' (see issue #38356)
Sep 05 16:35:55.106 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:475:48
Sep 05 16:35:55.106 INFO kablam!     |
Sep 05 16:35:55.106 INFO kablam! 475 |             Span::Nightly(s) => Ident::Nightly(proc_macro::Ident::new_raw(string, s)),
Sep 05 16:35:55.106 INFO kablam!     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 16:35:55.106 INFO kablam!     |
Sep 05 16:35:55.106 INFO kablam!     = help: add #![feature(proc_macro_raw_ident)] to the crate attributes to enable
Sep 05 16:35:55.106 INFO kablam! 
Sep 05 16:35:55.122 INFO kablam! error: aborting due to 10 previous errors
Sep 05 16:35:55.122 INFO kablam! 
Sep 05 16:35:55.122 INFO kablam! Some errors occurred: E0599, E0658.
Sep 05 16:35:55.122 INFO kablam! For more information about an error, try `rustc --explain E0599`.
Sep 05 16:35:55.162 INFO kablam! error: Could not compile `proc-macro2`.
Sep 05 16:35:55.162 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 16:35:56.853 INFO kablam! error: build failed
Sep 05 16:35:56.855 INFO kablam! su: No module specific data is present
Sep 05 16:35:58.370 INFO running `"docker" "rm" "-f" "a4a4452498575e99fe1ef4f94746d2b1428af1fed2a7350453cb7565dac4e604"`
Sep 05 16:35:58.654 INFO blam! a4a4452498575e99fe1ef4f94746d2b1428af1fed2a7350453cb7565dac4e604