Aug 11 08:38:44.820 INFO checking metro_m0-0.1.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 08:38:44.820 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 08:38:44.820 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 08:38:44.821 INFO running `"docker" "create" "-v" "/tmp/crater.rEtrGnkL0zqv:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-6/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 08:38:45.043 INFO blam! 08cfe0baf02fc642c7d94a64e83431ff40485145225c70fabf91c501978c9803
Aug 11 08:38:45.045 INFO running `"docker" "start" "-a" "08cfe0baf02fc642c7d94a64e83431ff40485145225c70fabf91c501978c9803"`
Aug 11 08:38:46.078 INFO kablam!    Compiling cortex-m v0.4.3
Aug 11 08:38:46.080 INFO kablam!     Checking bare-metal v0.1.2
Aug 11 08:38:46.082 INFO kablam!    Compiling cortex-m-rt v0.4.0
Aug 11 08:38:46.084 INFO kablam!     Checking untagged-option v0.1.1
Aug 11 08:38:46.086 INFO kablam!    Compiling cortex-m-rtfm v0.3.2
Aug 11 08:38:46.087 INFO kablam!     Checking rtfm-core v0.2.0
Aug 11 08:38:46.088 INFO kablam!     Checking panic-abort v0.1.1
Aug 11 08:38:46.096 INFO kablam!    Compiling proc-macro2 v0.3.8
Aug 11 08:38:46.392 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 11 08:38:46.392 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.1.1/src/lib.rs:25:1
Aug 11 08:38:46.392 INFO kablam!    |
Aug 11 08:38:46.392 INFO kablam! 25 | #[lang = "panic_fmt"]
Aug 11 08:38:46.392 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 11 08:38:46.417 INFO kablam!    Compiling cortex-m-semihosting v0.2.1
Aug 11 08:38:46.417 INFO kablam! 
Aug 11 08:38:46.417 INFO kablam! error: aborting due to previous error
Aug 11 08:38:46.417 INFO kablam! 
Aug 11 08:38:46.417 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 11 08:38:46.423 INFO kablam! error: Could not compile `panic-abort`.
Aug 11 08:38:46.423 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 08:38:46.524 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 08:38:46.524 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 11 08:38:46.524 INFO kablam!   |
Aug 11 08:38:46.524 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 11 08:38:46.524 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 08:38:46.524 INFO kablam! 
Aug 11 08:38:46.526 INFO kablam! error: aborting due to previous error
Aug 11 08:38:46.526 INFO kablam! 
Aug 11 08:38:46.526 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 08:38:46.532 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 08:38:46.532 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 08:38:48.397 INFO kablam! error[E0433]: failed to resolve. Could not find `Op` in `proc_macro`
Aug 11 08:38:48.397 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:131:42
Aug 11 08:38:48.397 INFO kablam!     |
Aug 11 08:38:48.398 INFO kablam! 131 |                 let mut op = proc_macro::Op::new(tt.op(), spacing);
Aug 11 08:38:48.398 INFO kablam!     |                                          ^^ Could not find `Op` in `proc_macro`
Aug 11 08:38:48.398 INFO kablam! 
Aug 11 08:38:48.409 INFO kablam! error[E0433]: failed to resolve. Could not find `Term` in `proc_macro`
Aug 11 08:38:48.409 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:446:59
Aug 11 08:38:48.409 INFO kablam!     |
Aug 11 08:38:48.409 INFO kablam! 446 |             Span::Nightly(s) => Term::Nightly(proc_macro::Term::new(string, s)),
Aug 11 08:38:48.409 INFO kablam!     |                                                           ^^^^ Could not find `Term` in `proc_macro`
Aug 11 08:38:48.409 INFO kablam! 
Aug 11 08:38:48.418 INFO kablam! error[E0412]: cannot find type `Term` in module `proc_macro`
Aug 11 08:38:48.418 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:439:25
Aug 11 08:38:48.418 INFO kablam!     |
Aug 11 08:38:48.418 INFO kablam! 439 |     Nightly(proc_macro::Term),
Aug 11 08:38:48.418 INFO kablam!     |                         ^^^^ not found in `proc_macro`
Aug 11 08:38:48.418 INFO kablam! help: possible candidates are found in other modules, you can import them into scope
Aug 11 08:38:48.418 INFO kablam!     |
Aug 11 08:38:48.418 INFO kablam! 3   | use Term;
Aug 11 08:38:48.418 INFO kablam!     |
Aug 11 08:38:48.418 INFO kablam! 3   | use imp::Term;
Aug 11 08:38:48.418 INFO kablam!     |
Aug 11 08:38:48.418 INFO kablam! 3   | use stable::Term;
Aug 11 08:38:48.419 INFO kablam!     |
Aug 11 08:38:48.419 INFO kablam! 
Aug 11 08:38:48.419 INFO kablam! error[E0412]: cannot find type `Term` in module `proc_macro`
Aug 11 08:38:48.419 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:473:44
Aug 11 08:38:48.419 INFO kablam!     |
Aug 11 08:38:48.419 INFO kablam! 473 |     fn unwrap_nightly(self) -> proc_macro::Term {
Aug 11 08:38:48.419 INFO kablam!     |                                            ^^^^ not found in `proc_macro`
Aug 11 08:38:48.419 INFO kablam! help: possible candidates are found in other modules, you can import them into scope
Aug 11 08:38:48.419 INFO kablam!     |
Aug 11 08:38:48.419 INFO kablam! 3   | use Term;
Aug 11 08:38:48.419 INFO kablam!     |
Aug 11 08:38:48.419 INFO kablam! 3   | use imp::Term;
Aug 11 08:38:48.419 INFO kablam!     |
Aug 11 08:38:48.419 INFO kablam! 3   | use stable::Term;
Aug 11 08:38:48.419 INFO kablam!     |
Aug 11 08:38:48.419 INFO kablam! 
Aug 11 08:38:48.460 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 11 08:38:48.460 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:262:13
Aug 11 08:38:48.460 INFO kablam!     |
Aug 11 08:38:48.460 INFO kablam! 262 |     Nightly(proc_macro::SourceFile, FileName),
Aug 11 08:38:48.460 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^
Aug 11 08:38:48.460 INFO kablam!     |
Aug 11 08:38:48.460 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 11 08:38:48.460 INFO kablam! 
Aug 11 08:38:48.461 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 11 08:38:48.461 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:267:20
Aug 11 08:38:48.461 INFO kablam!     |
Aug 11 08:38:48.461 INFO kablam! 267 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
Aug 11 08:38:48.461 INFO kablam!     |                    ^^^^^^^^^^^^^^^^^^^^^^
Aug 11 08:38:48.461 INFO kablam!     |
Aug 11 08:38:48.461 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 11 08:38:48.461 INFO kablam! 
Aug 11 08:38:49.198 INFO kablam! error[E0599]: no function or associated item named `empty` found for type `proc_macro::TokenStream` in the current scope
Aug 11 08:38:49.198 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:45:34
Aug 11 08:38:49.198 INFO kablam!    |
Aug 11 08:38:49.198 INFO kablam! 45 |             TokenStream::Nightly(proc_macro::TokenStream::empty())
Aug 11 08:38:49.199 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `proc_macro::TokenStream`
Aug 11 08:38:49.199 INFO kablam! 
Aug 11 08:38:49.222 INFO kablam! error[E0599]: no variant named `Op` found for type `proc_macro::TokenTree` in the current scope
Aug 11 08:38:49.222 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:228:13
Aug 11 08:38:49.222 INFO kablam!     |
Aug 11 08:38:49.222 INFO kablam! 228 |             proc_macro::TokenTree::Op(tt) => {
Aug 11 08:38:49.222 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ variant not found in `proc_macro::TokenTree`
Aug 11 08:38:49.222 INFO kablam! 
Aug 11 08:38:49.225 INFO kablam! error[E0599]: no variant named `Term` found for type `proc_macro::TokenTree` in the current scope
Aug 11 08:38:49.225 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:237:13
Aug 11 08:38:49.225 INFO kablam!     |
Aug 11 08:38:49.225 INFO kablam! 237 |             proc_macro::TokenTree::Term(s) => ::Term::_new(Term::Nightly(s)).into(),
Aug 11 08:38:49.225 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ variant not found in `proc_macro::TokenTree`
Aug 11 08:38:49.225 INFO kablam! 
Aug 11 08:38:49.232 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 11 08:38:49.232 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:268:45
Aug 11 08:38:49.232 INFO kablam!     |
Aug 11 08:38:49.232 INFO kablam! 268 |         let filename = stable::file_name(sf.path().to_string());
Aug 11 08:38:49.232 INFO kablam!     |                                             ^^^^
Aug 11 08:38:49.232 INFO kablam!     |
Aug 11 08:38:49.232 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 11 08:38:49.232 INFO kablam! 
Aug 11 08:38:49.233 INFO kablam! error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope
Aug 11 08:38:49.234 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:268:52
Aug 11 08:38:49.234 INFO kablam!     |
Aug 11 08:38:49.234 INFO kablam! 268 |         let filename = stable::file_name(sf.path().to_string());
Aug 11 08:38:49.234 INFO kablam!     |                                                    ^^^^^^^^^
Aug 11 08:38:49.234 INFO kablam!     |
Aug 11 08:38:49.234 INFO kablam!     = note: the method `to_string` exists but the following trait bounds were not satisfied:
Aug 11 08:38:49.234 INFO kablam!             `std::path::PathBuf : std::string::ToString`
Aug 11 08:38:49.234 INFO kablam!             `std::path::Path : std::string::ToString`
Aug 11 08:38:49.234 INFO kablam!     = help: did you mean `to_str`?
Aug 11 08:38:49.234 INFO kablam! 
Aug 11 08:38:49.235 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 11 08:38:49.235 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:282:44
Aug 11 08:38:49.235 INFO kablam!     |
Aug 11 08:38:49.235 INFO kablam! 282 |             SourceFile::Nightly(a, _) => a.is_real(),
Aug 11 08:38:49.235 INFO kablam!     |                                            ^^^^^^^
Aug 11 08:38:49.235 INFO kablam!     |
Aug 11 08:38:49.235 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 11 08:38:49.235 INFO kablam! 
Aug 11 08:38:49.238 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 11 08:38:49.238 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:325:27
Aug 11 08:38:49.238 INFO kablam!     |
Aug 11 08:38:49.238 INFO kablam! 325 |             Span::Nightly(proc_macro::Span::def_site())
Aug 11 08:38:49.238 INFO kablam!     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 08:38:49.238 INFO kablam!     |
Aug 11 08:38:49.238 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 11 08:38:49.238 INFO kablam! 
Aug 11 08:38:49.238 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 11 08:38:49.239 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:333:69
Aug 11 08:38:49.239 INFO kablam!     |
Aug 11 08:38:49.239 INFO kablam! 333 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)),
Aug 11 08:38:49.239 INFO kablam!     |                                                                     ^^^^^^^^^^^
Aug 11 08:38:49.239 INFO kablam!     |
Aug 11 08:38:49.239 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 11 08:38:49.239 INFO kablam! 
Aug 11 08:38:49.239 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 11 08:38:49.239 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:341:69
Aug 11 08:38:49.239 INFO kablam!     |
Aug 11 08:38:49.239 INFO kablam! 341 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)),
Aug 11 08:38:49.239 INFO kablam!     |                                                                     ^^^^^^^^^^
Aug 11 08:38:49.239 INFO kablam!     |
Aug 11 08:38:49.239 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 11 08:38:49.239 INFO kablam! 
Aug 11 08:38:49.239 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_span' (see issue #38356)
Aug 11 08:38:49.239 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/unstable.rs:402:55
Aug 11 08:38:49.239 INFO kablam!     |
Aug 11 08:38:49.239 INFO kablam! 402 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
Aug 11 08:38:49.239 INFO kablam!     |                                                       ^^
Aug 11 08:38:49.239 INFO kablam!     |
Aug 11 08:38:49.239 INFO kablam!     = help: add #![feature(proc_macro_span)] to the crate attributes to enable
Aug 11 08:38:49.239 INFO kablam! 
Aug 11 08:38:49.276 INFO kablam! error: aborting due to 16 previous errors
Aug 11 08:38:49.276 INFO kablam! 
Aug 11 08:38:49.276 INFO kablam! Some errors occurred: E0412, E0433, E0599, E0658.
Aug 11 08:38:49.276 INFO kablam! For more information about an error, try `rustc --explain E0412`.
Aug 11 08:38:49.290 INFO kablam! error: Could not compile `proc-macro2`.
Aug 11 08:38:49.290 INFO kablam! 
Aug 11 08:38:49.290 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 08:38:49.297 INFO kablam! su: No module specific data is present
Aug 11 08:38:49.899 INFO running `"docker" "rm" "-f" "08cfe0baf02fc642c7d94a64e83431ff40485145225c70fabf91c501978c9803"`
Aug 11 08:38:50.020 INFO blam! 08cfe0baf02fc642c7d94a64e83431ff40485145225c70fabf91c501978c9803