Sep 01 21:49:02.959 INFO checking tango-0.8.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 21:49:02.959 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 21:49:02.959 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 21:49:03.203 INFO blam! deae555c834c09ebb46bd019e351d21563c1826c90f99fdab19eed9c4d7ab02c
Sep 01 21:49:03.205 INFO running `"docker" "start" "-a" "deae555c834c09ebb46bd019e351d21563c1826c90f99fdab19eed9c4d7ab02c"`
Sep 01 21:49:04.335 INFO kablam!    Compiling tango v0.8.1 (file:///source)
Sep 01 21:49:06.049 INFO kablam! warning: unused import: `std::env`
Sep 01 21:49:06.049 INFO kablam!   --> src/lib.rs:13:5
Sep 01 21:49:06.049 INFO kablam!    |
Sep 01 21:49:06.049 INFO kablam! 13 | use std::env;
Sep 01 21:49:06.049 INFO kablam!    |     ^^^^^^^^
Sep 01 21:49:06.049 INFO kablam!    |
Sep 01 21:49:06.049 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 21:49:06.049 INFO kablam! 
Sep 01 21:49:06.106 INFO kablam! warning: unused import: `std::env`
Sep 01 21:49:06.106 INFO kablam!   --> src/lib.rs:13:5
Sep 01 21:49:06.106 INFO kablam!    |
Sep 01 21:49:06.106 INFO kablam! 13 | use std::env;
Sep 01 21:49:06.106 INFO kablam!    |     ^^^^^^^^
Sep 01 21:49:06.106 INFO kablam!    |
Sep 01 21:49:06.106 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 21:49:06.106 INFO kablam! 
Sep 01 21:49:06.423 INFO kablam! error[E0282]: type annotations needed
Sep 01 21:49:06.423 INFO kablam!    --> src/lib.rs:372:66
Sep 01 21:49:06.423 INFO kablam!     |
Sep 01 21:49:06.423 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 01 21:49:06.423 INFO kablam!     |                                                                  ^^^^^^ cannot infer type for `T`
Sep 01 21:49:06.423 INFO kablam!     |
Sep 01 21:49:06.423 INFO kablam!     = note: type must be known at this point
Sep 01 21:49:06.423 INFO kablam! 
Sep 01 21:49:06.480 INFO kablam! error[E0282]: type annotations needed
Sep 01 21:49:06.480 INFO kablam!    --> src/lib.rs:386:66
Sep 01 21:49:06.480 INFO kablam!     |
Sep 01 21:49:06.480 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 01 21:49:06.480 INFO kablam!     |                                                                  ^^^^^^ cannot infer type for `T`
Sep 01 21:49:06.480 INFO kablam!     |
Sep 01 21:49:06.480 INFO kablam!     = note: type must be known at this point
Sep 01 21:49:06.480 INFO kablam! 
Sep 01 21:49:06.486 INFO kablam! error[E0282]: type annotations needed
Sep 01 21:49:06.486 INFO kablam!    --> src/lib.rs:372:66
Sep 01 21:49:06.486 INFO kablam!     |
Sep 01 21:49:06.486 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 01 21:49:06.486 INFO kablam!     |                                                                  ^^^^^^ cannot infer type for `T`
Sep 01 21:49:06.486 INFO kablam!     |
Sep 01 21:49:06.487 INFO kablam!     = note: type must be known at this point
Sep 01 21:49:06.487 INFO kablam! 
Sep 01 21:49:06.542 INFO kablam! error[E0282]: type annotations needed
Sep 01 21:49:06.542 INFO kablam!    --> src/lib.rs:386:66
Sep 01 21:49:06.542 INFO kablam!     |
Sep 01 21:49:06.542 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 01 21:49:06.542 INFO kablam!     |                                                                  ^^^^^^ cannot infer type for `T`
Sep 01 21:49:06.542 INFO kablam!     |
Sep 01 21:49:06.542 INFO kablam!     = note: type must be known at this point
Sep 01 21:49:06.542 INFO kablam! 
Sep 01 21:49:06.809 INFO kablam! error: aborting due to 2 previous errors
Sep 01 21:49:06.809 INFO kablam! 
Sep 01 21:49:06.809 INFO kablam! For more information about this error, try `rustc --explain E0282`.
Sep 01 21:49:06.818 INFO kablam! error: Could not compile `tango`.
Sep 01 21:49:06.818 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 21:49:07.001 INFO kablam! error: aborting due to 2 previous errors
Sep 01 21:49:07.001 INFO kablam! 
Sep 01 21:49:07.001 INFO kablam! For more information about this error, try `rustc --explain E0282`.
Sep 01 21:49:07.011 INFO kablam! error: Could not compile `tango`.
Sep 01 21:49:07.011 INFO kablam! 
Sep 01 21:49:07.011 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 21:49:07.012 INFO kablam! su: No module specific data is present
Sep 01 21:49:07.412 INFO running `"docker" "rm" "-f" "deae555c834c09ebb46bd019e351d21563c1826c90f99fdab19eed9c4d7ab02c"`
Sep 01 21:49:07.553 INFO blam! deae555c834c09ebb46bd019e351d21563c1826c90f99fdab19eed9c4d7ab02c