Sep 20 20:21:26.818 INFO checking yoshuawuyts/spec-rust against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 20 20:21:26.818 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 20 20:21:26.819 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 20:21:27.068 INFO blam! c32ab2806437c8f2ccb81f0d536f10f48575c227f4b70c2c0441b20da5492d10
Sep 20 20:21:27.070 INFO running `"docker" "start" "-a" "c32ab2806437c8f2ccb81f0d536f10f48575c227f4b70c2c0441b20da5492d10"`
Sep 20 20:21:29.072 INFO kablam! usermod: no changes
Sep 20 20:21:29.371 INFO kablam!     Checking either v1.4.0
Sep 20 20:21:29.386 INFO kablam!     Checking libc v0.2.42
Sep 20 20:21:29.387 INFO kablam!     Checking nodrop v0.1.12
Sep 20 20:21:29.387 INFO kablam!     Checking cfg-if v0.1.2
Sep 20 20:21:29.388 INFO kablam!     Checking memoffset v0.2.1
Sep 20 20:21:29.389 INFO kablam!    Compiling unicode-xid v0.1.0
Sep 20 20:21:29.406 INFO kablam!     Checking scopeguard v0.3.3
Sep 20 20:21:29.415 INFO kablam!    Compiling unicode-xid v0.0.4
Sep 20 20:21:29.991 INFO kablam!     Checking void v1.0.2
Sep 20 20:21:29.993 INFO kablam!     Checking byteorder v1.2.1
Sep 20 20:21:30.186 INFO kablam!    Compiling cc v1.0.17
Sep 20 20:21:30.555 INFO kablam!     Checking lazy_static v1.0.0
Sep 20 20:21:31.087 INFO kablam!     Checking slab v0.4.0
Sep 20 20:21:31.158 INFO kablam!    Compiling glob v0.2.11
Sep 20 20:21:31.227 INFO kablam!    Compiling libloading v0.4.3
Sep 20 20:21:31.543 INFO kablam!     Checking futures v0.1.21
Sep 20 20:21:31.668 INFO kablam!    Compiling quote v0.3.15
Sep 20 20:21:33.284 INFO kablam!     Checking lazycell v0.6.0
Sep 20 20:21:34.942 INFO kablam!    Compiling rayon-core v1.3.0
Sep 20 20:21:35.343 INFO kablam!     Checking regex-syntax v0.4.2
Sep 20 20:21:35.442 INFO kablam!     Checking utf8-ranges v1.0.0
Sep 20 20:21:41.342 INFO kablam!     Checking rustc-demangle v0.1.8
Sep 20 20:21:41.358 INFO kablam!    Compiling nix v0.10.0
Sep 20 20:21:42.593 INFO kablam!     Checking bitflags v1.0.1
Sep 20 20:21:43.235 INFO kablam!     Checking lazy_static v0.2.11
Sep 20 20:21:43.874 INFO kablam!    Compiling bindgen v0.32.3
Sep 20 20:21:43.912 INFO kablam!     Checking ansi_term v0.10.2
Sep 20 20:21:43.990 INFO kablam!     Checking strsim v0.7.0
Sep 20 20:21:44.241 INFO kablam!     Checking peeking_take_while v0.1.2
Sep 20 20:21:44.619 INFO kablam!     Checking futures-await-await-macro v0.1.1
Sep 20 20:21:44.656 INFO kablam!     Checking crossbeam-utils v0.3.2
Sep 20 20:21:45.894 INFO kablam!     Checking log v0.4.1
Sep 20 20:21:45.895 INFO kablam!     Checking arrayvec v0.4.7
Sep 20 20:21:45.915 INFO kablam!    Compiling synom v0.11.3
Sep 20 20:21:46.554 INFO kablam!    Compiling proc-macro2 v0.4.6
Sep 20 20:21:46.618 INFO kablam!     Checking unreachable v1.0.0
Sep 20 20:21:47.574 INFO kablam!     Checking futures-core v0.2.1
Sep 20 20:21:47.627 INFO kablam!     Checking coco v0.1.1
Sep 20 20:21:47.678 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:47.678 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:284:13
Sep 20 20:21:47.678 INFO kablam!     |
Sep 20 20:21:47.678 INFO kablam! 284 |     Nightly(proc_macro::SourceFile, FileName),
Sep 20 20:21:47.678 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^
Sep 20 20:21:47.678 INFO kablam!     |
Sep 20 20:21:47.678 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:47.678 INFO kablam! 
Sep 20 20:21:47.678 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:47.678 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:289:20
Sep 20 20:21:47.678 INFO kablam!     |
Sep 20 20:21:47.678 INFO kablam! 289 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
Sep 20 20:21:47.678 INFO kablam!     |                    ^^^^^^^^^^^^^^^^^^^^^^
Sep 20 20:21:47.678 INFO kablam!     |
Sep 20 20:21:47.678 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:47.678 INFO kablam! 
Sep 20 20:21:48.090 INFO kablam!     Checking proc-macro2 v0.2.2
Sep 20 20:21:48.716 INFO kablam!     Checking iovec v0.1.2
Sep 20 20:21:50.006 INFO kablam!     Checking num_cpus v1.8.0
Sep 20 20:21:50.284 INFO kablam!     Checking memchr v2.0.1
Sep 20 20:21:50.390 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:50.391 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:45
Sep 20 20:21:50.391 INFO kablam!     |
Sep 20 20:21:50.392 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 20 20:21:50.392 INFO kablam!     |                                             ^^^^
Sep 20 20:21:50.392 INFO kablam!     |
Sep 20 20:21:50.393 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:50.393 INFO kablam! 
Sep 20 20:21:50.516 INFO kablam!     Checking net2 v0.2.32
Sep 20 20:21:50.798 INFO kablam! error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope
Sep 20 20:21:50.799 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:52
Sep 20 20:21:50.799 INFO kablam!     |
Sep 20 20:21:50.799 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 20 20:21:50.800 INFO kablam!     |                                                    ^^^^^^^^^
Sep 20 20:21:50.800 INFO kablam!     |
Sep 20 20:21:50.801 INFO kablam!     = note: the method `to_string` exists but the following trait bounds were not satisfied:
Sep 20 20:21:50.801 INFO kablam!             `std::path::PathBuf : std::string::ToString`
Sep 20 20:21:50.801 INFO kablam!             `std::path::Path : std::string::ToString`
Sep 20 20:21:50.802 INFO kablam!     = help: did you mean `to_str`?
Sep 20 20:21:50.802 INFO kablam! 
Sep 20 20:21:50.802 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:50.803 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:304:44
Sep 20 20:21:50.803 INFO kablam!     |
Sep 20 20:21:50.803 INFO kablam! 304 |             SourceFile::Nightly(a, _) => a.is_real(),
Sep 20 20:21:50.804 INFO kablam!     |                                            ^^^^^^^
Sep 20 20:21:50.804 INFO kablam!     |
Sep 20 20:21:50.804 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:50.805 INFO kablam! 
Sep 20 20:21:50.806 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:50.807 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:347:27
Sep 20 20:21:50.807 INFO kablam!     |
Sep 20 20:21:50.808 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Sep 20 20:21:50.808 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 20:21:50.808 INFO kablam!     |
Sep 20 20:21:50.809 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:50.809 INFO kablam! 
Sep 20 20:21:50.809 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:50.810 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:355:69
Sep 20 20:21:50.810 INFO kablam!     |
Sep 20 20:21:50.810 INFO kablam! 355 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)),
Sep 20 20:21:50.811 INFO kablam!     |                                                                     ^^^^^^^^^^^
Sep 20 20:21:50.811 INFO kablam!     |
Sep 20 20:21:50.811 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:50.812 INFO kablam! 
Sep 20 20:21:50.812 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:50.812 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:363:69
Sep 20 20:21:50.813 INFO kablam!     |
Sep 20 20:21:50.813 INFO kablam! 363 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)),
Sep 20 20:21:50.814 INFO kablam!     |                                                                     ^^^^^^^^^^
Sep 20 20:21:50.814 INFO kablam!     |
Sep 20 20:21:50.814 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:50.815 INFO kablam! 
Sep 20 20:21:50.815 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 20:21:50.815 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:424:55
Sep 20 20:21:50.816 INFO kablam!     |
Sep 20 20:21:50.816 INFO kablam! 424 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
Sep 20 20:21:50.817 INFO kablam!     |                                                       ^^
Sep 20 20:21:50.817 INFO kablam!     |
Sep 20 20:21:50.817 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 20:21:50.818 INFO kablam! 
Sep 20 20:21:50.846 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_raw_ident' (see issue #38356)
Sep 20 20:21:50.847 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:475:48
Sep 20 20:21:50.847 INFO kablam!     |
Sep 20 20:21:50.848 INFO kablam! 475 |             Span::Nightly(s) => Ident::Nightly(proc_macro::Ident::new_raw(string, s)),
Sep 20 20:21:50.848 INFO kablam!     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 20:21:50.848 INFO kablam!     |
Sep 20 20:21:50.849 INFO kablam!     = help: add #![feature(proc_macro_raw_ident)] to the crate attributes to enable
Sep 20 20:21:50.849 INFO kablam! 
Sep 20 20:21:50.900 INFO kablam!     Checking rand v0.4.2
Sep 20 20:21:51.059 INFO kablam!     Checking memchr v1.0.2
Sep 20 20:21:51.086 INFO kablam! error: aborting due to 10 previous errors
Sep 20 20:21:51.087 INFO kablam! 
Sep 20 20:21:51.087 INFO kablam! Some errors occurred: E0599, E0658.
Sep 20 20:21:51.087 INFO kablam! For more information about an error, try `rustc --explain E0599`.
Sep 20 20:21:51.150 INFO kablam! error: Could not compile `proc-macro2`.
Sep 20 20:21:51.151 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 20:21:54.394 INFO kablam! error: build failed
Sep 20 20:21:54.395 INFO kablam! su: No module specific data is present
Sep 20 20:21:55.320 INFO running `"docker" "rm" "-f" "c32ab2806437c8f2ccb81f0d536f10f48575c227f4b70c2c0441b20da5492d10"`
Sep 20 20:21:55.448 INFO blam! c32ab2806437c8f2ccb81f0d536f10f48575c227f4b70c2c0441b20da5492d10