Sep 01 22:56:38.152 INFO checking stacktrace-0.2.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 01 22:56:38.152 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 01 22:56:38.152 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 22:56:38.318 INFO blam! b5f919b1f9cc5d04ad2d5343b02e10fd3ffecc5e1720e047f1e302f52a1ffbb7
Sep 01 22:56:38.320 INFO running `"docker" "start" "-a" "b5f919b1f9cc5d04ad2d5343b02e10fd3ffecc5e1720e047f1e302f52a1ffbb7"`
Sep 01 22:56:39.236 INFO kablam!     Checking stacktrace v0.2.1 (file:///source)
Sep 01 22:56:40.143 INFO kablam! warning: unused import: `std::fmt::Debug`
Sep 01 22:56:40.144 INFO kablam!  --> examples/using_result/main.rs:3:5
Sep 01 22:56:40.144 INFO kablam!   |
Sep 01 22:56:40.144 INFO kablam! 3 | use std::fmt::Debug;
Sep 01 22:56:40.144 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 01 22:56:40.144 INFO kablam!   |
Sep 01 22:56:40.144 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 22:56:40.144 INFO kablam! 
Sep 01 22:56:40.313 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Sep 01 22:56:40.316 INFO kablam! su: No module specific data is present
Sep 01 22:56:40.705 INFO running `"docker" "rm" "-f" "b5f919b1f9cc5d04ad2d5343b02e10fd3ffecc5e1720e047f1e302f52a1ffbb7"`
Sep 01 22:56:40.818 INFO blam! b5f919b1f9cc5d04ad2d5343b02e10fd3ffecc5e1720e047f1e302f52a1ffbb7