Sep 20 22:32:11.065 INFO checking iovxw/rssbot against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 20 22:32:11.065 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 20 22:32:11.065 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/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 22:32:11.314 INFO blam! 229b8c9a0fc5d555e907f86bdfd05282676e3a67f9b052d077d09eda220190dc
Sep 20 22:32:11.314 INFO running `"docker" "start" "-a" "229b8c9a0fc5d555e907f86bdfd05282676e3a67f9b052d077d09eda220190dc"`
Sep 20 22:32:12.179 INFO kablam! usermod: no changes
Sep 20 22:32:12.594 INFO kablam!     Checking either v1.5.0
Sep 20 22:32:12.600 INFO kablam!    Compiling lazy_static v1.0.1
Sep 20 22:32:12.606 INFO kablam!     Checking unicode-xid v0.0.4
Sep 20 22:32:12.606 INFO kablam!     Checking quote v0.3.15
Sep 20 22:32:12.606 INFO kablam!     Checking futures-await-await-macro v0.1.1
Sep 20 22:32:12.606 INFO kablam!     Checking log v0.4.2
Sep 20 22:32:12.617 INFO kablam!     Checking socket2 v0.3.6
Sep 20 22:32:12.617 INFO kablam!    Compiling openssl-sys v0.9.33
Sep 20 22:32:13.260 INFO kablam!    Compiling libz-sys v1.0.18
Sep 20 22:32:13.674 INFO kablam!    Compiling curl-sys v0.4.5
Sep 20 22:32:13.858 INFO kablam!    Compiling phf_shared v0.7.22
Sep 20 22:32:13.954 INFO kablam!    Compiling memchr v2.0.1
Sep 20 22:32:14.545 INFO kablam!    Compiling regex-syntax v0.5.6
Sep 20 22:32:14.618 INFO kablam!    Compiling proc-macro2 v0.4.6
Sep 20 22:32:17.015 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 22:32:17.015 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:284:13
Sep 20 22:32:17.015 INFO kablam!     |
Sep 20 22:32:17.015 INFO kablam! 284 |     Nightly(proc_macro::SourceFile, FileName),
Sep 20 22:32:17.015 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^
Sep 20 22:32:17.015 INFO kablam!     |
Sep 20 22:32:17.015 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 22:32:17.015 INFO kablam! 
Sep 20 22:32:17.016 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 22:32:17.016 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:289:20
Sep 20 22:32:17.016 INFO kablam!     |
Sep 20 22:32:17.016 INFO kablam! 289 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
Sep 20 22:32:17.016 INFO kablam!     |                    ^^^^^^^^^^^^^^^^^^^^^^
Sep 20 22:32:17.016 INFO kablam!     |
Sep 20 22:32:17.016 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 22:32:17.016 INFO kablam! 
Sep 20 22:32:18.084 INFO kablam!     Checking crossbeam-epoch v0.4.3
Sep 20 22:32:18.177 INFO kablam!     Checking futures-core v0.2.1
Sep 20 22:32:18.250 INFO kablam!     Checking synom v0.11.3
Sep 20 22:32:19.050 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 22:32:19.050 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:45
Sep 20 22:32:19.050 INFO kablam!     |
Sep 20 22:32:19.050 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 20 22:32:19.050 INFO kablam!     |                                             ^^^^
Sep 20 22:32:19.050 INFO kablam!     |
Sep 20 22:32:19.051 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 22:32:19.051 INFO kablam! 
Sep 20 22:32:19.473 INFO kablam! error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope
Sep 20 22:32:19.473 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:52
Sep 20 22:32:19.473 INFO kablam!     |
Sep 20 22:32:19.473 INFO kablam! 290 |         let filename = stable::file_name(sf.path().to_string());
Sep 20 22:32:19.473 INFO kablam!     |                                                    ^^^^^^^^^
Sep 20 22:32:19.486 INFO kablam!     |
Sep 20 22:32:19.486 INFO kablam!     = note: the method `to_string` exists but the following trait bounds were not satisfied:
Sep 20 22:32:19.486 INFO kablam!             `std::path::PathBuf : std::string::ToString`
Sep 20 22:32:19.486 INFO kablam!             `std::path::Path : std::string::ToString`
Sep 20 22:32:19.487 INFO kablam!     = help: did you mean `to_str`?
Sep 20 22:32:19.487 INFO kablam! 
Sep 20 22:32:19.487 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 22:32:19.487 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:304:44
Sep 20 22:32:19.487 INFO kablam!     |
Sep 20 22:32:19.487 INFO kablam! 304 |             SourceFile::Nightly(a, _) => a.is_real(),
Sep 20 22:32:19.487 INFO kablam!     |                                            ^^^^^^^
Sep 20 22:32:19.487 INFO kablam!     |
Sep 20 22:32:19.488 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 22:32:19.488 INFO kablam! 
Sep 20 22:32:19.510 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 22:32:19.510 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:347:27
Sep 20 22:32:19.510 INFO kablam!     |
Sep 20 22:32:19.510 INFO kablam! 347 |             Span::Nightly(proc_macro::Span::def_site())
Sep 20 22:32:19.510 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 22:32:19.510 INFO kablam!     |
Sep 20 22:32:19.510 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 22:32:19.510 INFO kablam! 
Sep 20 22:32:19.511 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 22:32:19.511 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:355:69
Sep 20 22:32:19.511 INFO kablam!     |
Sep 20 22:32:19.511 INFO kablam! 355 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)),
Sep 20 22:32:19.511 INFO kablam!     |                                                                     ^^^^^^^^^^^
Sep 20 22:32:19.511 INFO kablam!     |
Sep 20 22:32:19.511 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 22:32:19.511 INFO kablam! 
Sep 20 22:32:19.512 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 22:32:19.512 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:363:69
Sep 20 22:32:19.512 INFO kablam!     |
Sep 20 22:32:19.512 INFO kablam! 363 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)),
Sep 20 22:32:19.512 INFO kablam!     |                                                                     ^^^^^^^^^^
Sep 20 22:32:19.512 INFO kablam!     |
Sep 20 22:32:19.512 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 22:32:19.512 INFO kablam! 
Sep 20 22:32:19.512 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Sep 20 22:32:19.512 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:424:55
Sep 20 22:32:19.512 INFO kablam!     |
Sep 20 22:32:19.512 INFO kablam! 424 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
Sep 20 22:32:19.512 INFO kablam!     |                                                       ^^
Sep 20 22:32:19.530 INFO kablam!     |
Sep 20 22:32:19.530 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Sep 20 22:32:19.530 INFO kablam! 
Sep 20 22:32:19.532 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_raw_ident' (see issue #38356)
Sep 20 22:32:19.533 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:475:48
Sep 20 22:32:19.533 INFO kablam!     |
Sep 20 22:32:19.533 INFO kablam! 475 |             Span::Nightly(s) => Ident::Nightly(proc_macro::Ident::new_raw(string, s)),
Sep 20 22:32:19.533 INFO kablam!     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 22:32:19.533 INFO kablam!     |
Sep 20 22:32:19.533 INFO kablam!     = help: add #![feature(proc_macro_raw_ident)] to the crate attributes to enable
Sep 20 22:32:19.533 INFO kablam! 
Sep 20 22:32:19.790 INFO kablam! error: aborting due to 10 previous errors
Sep 20 22:32:19.790 INFO kablam! 
Sep 20 22:32:19.790 INFO kablam! Some errors occurred: E0599, E0658.
Sep 20 22:32:19.790 INFO kablam! For more information about an error, try `rustc --explain E0599`.
Sep 20 22:32:19.902 INFO kablam! error: Could not compile `proc-macro2`.
Sep 20 22:32:19.902 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 22:32:30.002 INFO kablam! error: build failed
Sep 20 22:32:30.006 INFO kablam! su: No module specific data is present
Sep 20 22:32:30.697 INFO running `"docker" "rm" "-f" "229b8c9a0fc5d555e907f86bdfd05282676e3a67f9b052d077d09eda220190dc"`
Sep 20 22:32:30.853 INFO blam! 229b8c9a0fc5d555e907f86bdfd05282676e3a67f9b052d077d09eda220190dc