Nov 07 08:17:39.823 INFO checking stacktrace-0.2.1 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 08:17:39.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-2/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +24e66c28980442a48d9458f1a4f9b76cc722dc8a-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 07 08:17:40.057 INFO blam! 93e65314e32a8bda67b0d7877da3e829b95b343c1e42608b89ad5244b1c0634e
Nov 07 08:17:40.060 INFO running `"docker" "start" "-a" "93e65314e32a8bda67b0d7877da3e829b95b343c1e42608b89ad5244b1c0634e"`
Nov 07 08:17:40.607 INFO kablam! usermod: no changes
Nov 07 08:17:40.672 INFO kablam!     Checking stacktrace v0.2.1 (/source)
Nov 07 08:17:42.920 INFO kablam! warning: unused import: `std::fmt::Debug`
Nov 07 08:17:42.920 INFO kablam!  --> examples/using_result/main.rs:3:5
Nov 07 08:17:42.920 INFO kablam!   |
Nov 07 08:17:42.920 INFO kablam! 3 | use std::fmt::Debug;
Nov 07 08:17:42.920 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 07 08:17:42.920 INFO kablam!   |
Nov 07 08:17:42.920 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 08:17:42.920 INFO kablam! 
Nov 07 08:17:42.996 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
Nov 07 08:17:43.005 INFO kablam! su: No module specific data is present
Nov 07 08:17:43.351 INFO running `"docker" "rm" "-f" "93e65314e32a8bda67b0d7877da3e829b95b343c1e42608b89ad5244b1c0634e"`
Nov 07 08:17:43.572 INFO blam! 93e65314e32a8bda67b0d7877da3e829b95b343c1e42608b89ad5244b1c0634e