Aug 31 12:48:32.482 INFO checking stacktrace-0.2.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 12:48:32.484 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 12:48:32.484 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 12:48:32.670 INFO blam! 9dc39bd299ff7b83ab5eb0fab31f4cbfdaea316cfc46795f779cbbe8b084709d
Aug 31 12:48:32.672 INFO running `"docker" "start" "-a" "9dc39bd299ff7b83ab5eb0fab31f4cbfdaea316cfc46795f779cbbe8b084709d"`
Aug 31 12:48:33.347 INFO kablam!     Checking stacktrace v0.2.1 (file:///source)
Aug 31 12:48:34.270 INFO kablam! warning: unused import: `std::fmt::Debug`
Aug 31 12:48:34.270 INFO kablam!  --> examples/using_result/main.rs:3:5
Aug 31 12:48:34.270 INFO kablam!   |
Aug 31 12:48:34.270 INFO kablam! 3 | use std::fmt::Debug;
Aug 31 12:48:34.270 INFO kablam!   |     ^^^^^^^^^^^^^^^
Aug 31 12:48:34.271 INFO kablam!   |
Aug 31 12:48:34.271 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 12:48:34.271 INFO kablam! 
Aug 31 12:48:34.386 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Aug 31 12:48:34.389 INFO kablam! su: No module specific data is present
Aug 31 12:48:34.835 INFO running `"docker" "rm" "-f" "9dc39bd299ff7b83ab5eb0fab31f4cbfdaea316cfc46795f779cbbe8b084709d"`
Aug 31 12:48:34.963 INFO blam! 9dc39bd299ff7b83ab5eb0fab31f4cbfdaea316cfc46795f779cbbe8b084709d