Sep 20 20:21:23.303 INFO checking yoshuawuyts/spec-rust against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 20 20:21:23.303 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 20 20:21:23.303 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 20:21:23.634 INFO blam! 47826d2174bfcaeed2541782bc6dda1987b7392f3931fb4b390f4af08f0d009c
Sep 20 20:21:23.636 INFO running `"docker" "start" "-a" "47826d2174bfcaeed2541782bc6dda1987b7392f3931fb4b390f4af08f0d009c"`
Sep 20 20:21:25.542 INFO kablam! usermod: no changes
Sep 20 20:21:25.870 INFO kablam!     Checking either v1.4.0
Sep 20 20:21:25.870 INFO kablam!     Checking libc v0.2.42
Sep 20 20:21:25.870 INFO kablam!     Checking nodrop v0.1.12
Sep 20 20:21:25.870 INFO kablam!     Checking cfg-if v0.1.2
Sep 20 20:21:25.882 INFO kablam!     Checking void v1.0.2
Sep 20 20:21:25.882 INFO kablam!     Checking scopeguard v0.3.3
Sep 20 20:21:25.882 INFO kablam!    Compiling unicode-xid v0.0.4
Sep 20 20:21:25.882 INFO kablam!     Checking lazy_static v1.0.0
Sep 20 20:21:26.318 INFO kablam!     Checking memoffset v0.2.1
Sep 20 20:21:26.671 INFO kablam!    Compiling unicode-xid v0.1.0
Sep 20 20:21:26.967 INFO kablam!    Compiling cc v1.0.17
Sep 20 20:21:27.006 INFO kablam!     Checking byteorder v1.2.1
Sep 20 20:21:27.100 INFO kablam!     Checking lazycell v0.6.0
Sep 20 20:21:27.154 INFO kablam!     Checking slab v0.4.0
Sep 20 20:21:27.595 INFO kablam!     Checking futures v0.1.21
Sep 20 20:21:27.618 INFO kablam!    Compiling glob v0.2.11
Sep 20 20:21:27.650 INFO kablam!    Compiling quote v0.3.15
Sep 20 20:21:28.371 INFO kablam!    Compiling libloading v0.4.3
Sep 20 20:21:29.059 INFO kablam!     Checking utf8-ranges v1.0.0
Sep 20 20:21:31.331 INFO kablam!     Checking regex-syntax v0.4.2
Sep 20 20:21:36.425 INFO kablam!     Checking unicode-width v0.1.4
Sep 20 20:21:37.782 INFO kablam!    Compiling rayon-core v1.3.0
Sep 20 20:21:39.323 INFO kablam!    Compiling nix v0.10.0
Sep 20 20:21:39.791 INFO kablam!     Checking vec_map v0.8.0
Sep 20 20:21:39.808 INFO kablam!    Compiling bindgen v0.32.3
Sep 20 20:21:40.214 INFO kablam!     Checking lazy_static v0.2.11
Sep 20 20:21:40.480 INFO kablam!     Checking bitflags v1.0.1
Sep 20 20:21:40.975 INFO kablam!     Checking strsim v0.7.0
Sep 20 20:21:42.637 INFO kablam!     Checking rustc-demangle v0.1.8
Sep 20 20:21:42.662 INFO kablam!     Checking ansi_term v0.10.2
Sep 20 20:21:42.662 INFO kablam!     Checking peeking_take_while v0.1.2
Sep 20 20:21:42.682 INFO kablam!     Checking futures-await-await-macro v0.1.1
Sep 20 20:21:42.960 INFO kablam!     Checking crossbeam-utils v0.3.2
Sep 20 20:21:43.198 INFO kablam!     Checking log v0.4.1
Sep 20 20:21:43.298 INFO kablam!     Checking arrayvec v0.4.7
Sep 20 20:21:44.082 INFO kablam!     Checking unreachable v1.0.0
Sep 20 20:21:44.571 INFO kablam!    Compiling proc-macro2 v0.4.6
Sep 20 20:21:44.714 INFO kablam!    Compiling synom v0.11.3
Sep 20 20:21:44.714 INFO kablam!     Checking futures-core v0.2.1
Sep 20 20:21:44.974 INFO kablam!     Checking coco v0.1.1
Sep 20 20:21:45.095 INFO kablam!     Checking iovec v0.1.2
Sep 20 20:21:45.251 INFO kablam!     Checking num_cpus v1.8.0
Sep 20 20:21:46.218 INFO kablam!     Checking memchr v2.0.1
Sep 20 20:21:46.410 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:46.410 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:284:13
Sep 20 20:21:46.410 INFO kablam!     |
Sep 20 20:21:46.410 INFO kablam! 284 |     Nightly(proc_macro::SourceFile, FileName),
Sep 20 20:21:46.410 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^
Sep 20 20:21:46.410 INFO kablam!     |
Sep 20 20:21:46.410 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:46.410 INFO kablam! 
Sep 20 20:21:46.410 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:46.410 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:289:20
Sep 20 20:21:46.410 INFO kablam!     |
Sep 20 20:21:46.410 INFO kablam! 289 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
Sep 20 20:21:46.410 INFO kablam!     |                    ^^^^^^^^^^^^^^^^^^^^^^
Sep 20 20:21:46.410 INFO kablam!     |
Sep 20 20:21:46.410 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:46.410 INFO kablam! 
Sep 20 20:21:46.730 INFO kablam!     Checking net2 v0.2.32
Sep 20 20:21:46.862 INFO kablam!     Checking rand v0.4.2
Sep 20 20:21:46.954 INFO kablam!     Checking memchr v1.0.2
Sep 20 20:21:47.046 INFO kablam!     Checking atty v0.2.6
Sep 20 20:21:47.538 INFO kablam!     Checking which v1.0.3
Sep 20 20:21:47.958 INFO kablam!    Compiling clang-sys v0.21.1
Sep 20 20:21:47.970 INFO kablam!     Checking textwrap v0.9.0
Sep 20 20:21:48.085 INFO kablam!     Checking proc-macro2 v0.2.2
Sep 20 20:21:48.554 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:48.555 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:45
Sep 20 20:21:48.555 INFO kablam!     |
Sep 20 20:21:48.555 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 20 20:21:48.556 INFO kablam!     |                                             ^^^^
Sep 20 20:21:48.556 INFO kablam!     |
Sep 20 20:21:48.556 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:48.557 INFO kablam! 
Sep 20 20:21:48.866 INFO kablam!    Compiling backtrace-sys v0.1.23
Sep 20 20:21:48.970 INFO kablam! error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope
Sep 20 20:21:48.970 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:52
Sep 20 20:21:48.970 INFO kablam!     |
Sep 20 20:21:48.970 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 20 20:21:48.971 INFO kablam!     |                                                    ^^^^^^^^^
Sep 20 20:21:48.990 INFO kablam!     |
Sep 20 20:21:48.990 INFO kablam!     = note: the method `to_string` exists but the following trait bounds were not satisfied:
Sep 20 20:21:48.991 INFO kablam!             `std::path::PathBuf : std::string::ToString`
Sep 20 20:21:48.991 INFO kablam!             `std::path::Path : std::string::ToString`
Sep 20 20:21:48.991 INFO kablam!     = help: did you mean `to_str`?
Sep 20 20:21:48.991 INFO kablam! 
Sep 20 20:21:49.002 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:49.002 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:304:44
Sep 20 20:21:49.002 INFO kablam!     |
Sep 20 20:21:49.002 INFO kablam! 304 |             SourceFile::Nightly(a, _) => a.is_real(),
Sep 20 20:21:49.003 INFO kablam!     |                                            ^^^^^^^
Sep 20 20:21:49.003 INFO kablam!     |
Sep 20 20:21:49.003 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:49.003 INFO kablam! 
Sep 20 20:21:49.009 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:49.009 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:347:27
Sep 20 20:21:49.009 INFO kablam!     |
Sep 20 20:21:49.009 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Sep 20 20:21:49.010 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 20:21:49.010 INFO kablam!     |
Sep 20 20:21:49.010 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:49.010 INFO kablam! 
Sep 20 20:21:49.011 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:49.012 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:355:69
Sep 20 20:21:49.012 INFO kablam!     |
Sep 20 20:21:49.012 INFO kablam! 355 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)),
Sep 20 20:21:49.012 INFO kablam!     |                                                                     ^^^^^^^^^^^
Sep 20 20:21:49.012 INFO kablam!     |
Sep 20 20:21:49.013 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:49.013 INFO kablam! 
Sep 20 20:21:49.014 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:49.014 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:363:69
Sep 20 20:21:49.014 INFO kablam!     |
Sep 20 20:21:49.014 INFO kablam! 363 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)),
Sep 20 20:21:49.014 INFO kablam!     |                                                                     ^^^^^^^^^^
Sep 20 20:21:49.015 INFO kablam!     |
Sep 20 20:21:49.015 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:49.015 INFO kablam! 
Sep 20 20:21:49.016 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:49.016 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:424:55
Sep 20 20:21:49.017 INFO kablam!     |
Sep 20 20:21:49.017 INFO kablam! 424 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
Sep 20 20:21:49.017 INFO kablam!     |                                                       ^^
Sep 20 20:21:49.018 INFO kablam!     |
Sep 20 20:21:49.018 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:49.018 INFO kablam! 
Sep 20 20:21:49.039 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_raw_ident' (see issue #38356)
Sep 20 20:21:49.039 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:475:48
Sep 20 20:21:49.039 INFO kablam!     |
Sep 20 20:21:49.039 INFO kablam! 475 |             Span::Nightly(s) => Ident::Nightly(proc_macro::Ident::new_raw(string, s)),
Sep 20 20:21:49.040 INFO kablam!     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 20:21:49.040 INFO kablam!     |
Sep 20 20:21:49.040 INFO kablam!     = help: add #![feature(proc_macro_raw_ident)] to the crate attributes to enable
Sep 20 20:21:49.040 INFO kablam! 
Sep 20 20:21:49.170 INFO kablam! error: aborting due to 10 previous errors
Sep 20 20:21:49.170 INFO kablam! 
Sep 20 20:21:49.170 INFO kablam! Some errors occurred: E0599, E0658.
Sep 20 20:21:49.171 INFO kablam! For more information about an error, try `rustc --explain E0599`.
Sep 20 20:21:49.250 INFO kablam! error: Could not compile `proc-macro2`.
Sep 20 20:21:49.251 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 20:21:53.089 INFO kablam! error: build failed
Sep 20 20:21:53.092 INFO kablam! su: No module specific data is present
Sep 20 20:21:53.904 INFO running `"docker" "rm" "-f" "47826d2174bfcaeed2541782bc6dda1987b7392f3931fb4b390f4af08f0d009c"`
Sep 20 20:21:54.029 INFO blam! 47826d2174bfcaeed2541782bc6dda1987b7392f3931fb4b390f4af08f0d009c