Sep 21 02:04:43.925 INFO checking tango-0.8.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 02:04:43.925 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 02:04:43.925 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 21 02:04:44.179 INFO blam! 0229ca65da1188a990fc036663413fb505576765092da3410133dad39e413bfd
Sep 21 02:04:44.181 INFO running `"docker" "start" "-a" "0229ca65da1188a990fc036663413fb505576765092da3410133dad39e413bfd"`
Sep 21 02:04:46.084 INFO kablam! usermod: no changes
Sep 21 02:04:46.182 INFO kablam!    Compiling tango v0.8.1 (/source)
Sep 21 02:04:47.619 INFO kablam! warning: unused import: `std::env`
Sep 21 02:04:47.619 INFO kablam!   --> src/lib.rs:13:5
Sep 21 02:04:47.619 INFO kablam!    |
Sep 21 02:04:47.619 INFO kablam! 13 | use std::env;
Sep 21 02:04:47.619 INFO kablam!    |     ^^^^^^^^
Sep 21 02:04:47.619 INFO kablam!    |
Sep 21 02:04:47.619 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 02:04:47.619 INFO kablam! 
Sep 21 02:04:47.646 INFO kablam! warning: unused import: `std::env`
Sep 21 02:04:47.646 INFO kablam!   --> src/lib.rs:13:5
Sep 21 02:04:47.646 INFO kablam!    |
Sep 21 02:04:47.646 INFO kablam! 13 | use std::env;
Sep 21 02:04:47.646 INFO kablam!    |     ^^^^^^^^
Sep 21 02:04:47.646 INFO kablam!    |
Sep 21 02:04:47.646 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 02:04:47.646 INFO kablam! 
Sep 21 02:04:47.898 INFO kablam! error[E0282]: type annotations needed
Sep 21 02:04:47.898 INFO kablam!    --> src/lib.rs:372:66
Sep 21 02:04:47.898 INFO kablam!     |
Sep 21 02:04:47.898 INFO kablam! 372 |         for c in self.0.components().skip(1) { p.push(c.as_ref().to_str().expect("how else can I replace root?")); }
Sep 21 02:04:47.898 INFO kablam!     |                                                                  ^^^^^^ cannot infer type for `T`
Sep 21 02:04:47.898 INFO kablam!     |
Sep 21 02:04:47.898 INFO kablam!     = note: type must be known at this point
Sep 21 02:04:47.898 INFO kablam! 
Sep 21 02:04:47.946 INFO kablam! error[E0282]: type annotations needed
Sep 21 02:04:47.946 INFO kablam!    --> src/lib.rs:386:66
Sep 21 02:04:47.946 INFO kablam!     |
Sep 21 02:04:47.946 INFO kablam! 386 |         for c in self.0.components().skip(1) { p.push(c.as_ref().to_str().expect("how else can I replace root?")); }
Sep 21 02:04:47.946 INFO kablam!     |                                                                  ^^^^^^ cannot infer type for `T`
Sep 21 02:04:47.946 INFO kablam!     |
Sep 21 02:04:47.946 INFO kablam!     = note: type must be known at this point
Sep 21 02:04:47.946 INFO kablam! 
Sep 21 02:04:48.021 INFO kablam! error[E0282]: type annotations needed
Sep 21 02:04:48.021 INFO kablam!    --> src/lib.rs:372:66
Sep 21 02:04:48.021 INFO kablam!     |
Sep 21 02:04:48.021 INFO kablam! 372 |         for c in self.0.components().skip(1) { p.push(c.as_ref().to_str().expect("how else can I replace root?")); }
Sep 21 02:04:48.021 INFO kablam!     |                                                                  ^^^^^^ cannot infer type for `T`
Sep 21 02:04:48.021 INFO kablam!     |
Sep 21 02:04:48.021 INFO kablam!     = note: type must be known at this point
Sep 21 02:04:48.021 INFO kablam! 
Sep 21 02:04:48.093 INFO kablam! error[E0282]: type annotations needed
Sep 21 02:04:48.093 INFO kablam!    --> src/lib.rs:386:66
Sep 21 02:04:48.093 INFO kablam!     |
Sep 21 02:04:48.093 INFO kablam! 386 |         for c in self.0.components().skip(1) { p.push(c.as_ref().to_str().expect("how else can I replace root?")); }
Sep 21 02:04:48.093 INFO kablam!     |                                                                  ^^^^^^ cannot infer type for `T`
Sep 21 02:04:48.093 INFO kablam!     |
Sep 21 02:04:48.093 INFO kablam!     = note: type must be known at this point
Sep 21 02:04:48.093 INFO kablam! 
Sep 21 02:04:48.242 INFO kablam! error: aborting due to 2 previous errors
Sep 21 02:04:48.242 INFO kablam! 
Sep 21 02:04:48.242 INFO kablam! For more information about this error, try `rustc --explain E0282`.
Sep 21 02:04:48.250 INFO kablam! error: Could not compile `tango`.
Sep 21 02:04:48.250 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 02:04:48.278 INFO kablam! error: aborting due to 2 previous errors
Sep 21 02:04:48.278 INFO kablam! 
Sep 21 02:04:48.278 INFO kablam! For more information about this error, try `rustc --explain E0282`.
Sep 21 02:04:48.289 INFO kablam! error: Could not compile `tango`.
Sep 21 02:04:48.289 INFO kablam! 
Sep 21 02:04:48.289 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 02:04:48.289 INFO kablam! su: No module specific data is present
Sep 21 02:04:49.249 INFO running `"docker" "rm" "-f" "0229ca65da1188a990fc036663413fb505576765092da3410133dad39e413bfd"`
Sep 21 02:04:49.379 INFO blam! 0229ca65da1188a990fc036663413fb505576765092da3410133dad39e413bfd