Sep 19 21:06:34.141 INFO checking peggler-0.1.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 21:06:34.141 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 21:06:34.142 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 21:06:34.309 INFO blam! 15481014c7b62f026dce7ca2b7d331c88e47fc51398c413db80722809868d838
Sep 19 21:06:34.316 INFO running `"docker" "start" "-a" "15481014c7b62f026dce7ca2b7d331c88e47fc51398c413db80722809868d838"`
Sep 19 21:06:35.115 INFO kablam! usermod: no changes
Sep 19 21:06:35.171 INFO kablam!     Checking peggler v0.1.0 (/source)
Sep 19 21:06:37.207 INFO kablam! warning: variable does not need to be mutable
Sep 19 21:06:37.207 INFO kablam!  --> tests/arithmetic.rs:9:9
Sep 19 21:06:37.207 INFO kablam!   |
Sep 19 21:06:37.207 INFO kablam! 9 |     let mut end : usize;
Sep 19 21:06:37.207 INFO kablam!   |         ----^^^
Sep 19 21:06:37.207 INFO kablam!   |         |
Sep 19 21:06:37.207 INFO kablam!   |         help: remove this `mut`
Sep 19 21:06:37.207 INFO kablam!   |
Sep 19 21:06:37.207 INFO kablam!   = note: #[warn(unused_mut)] on by default
Sep 19 21:06:37.207 INFO kablam! 
Sep 19 21:06:38.523 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
Sep 19 21:06:38.524 INFO kablam! su: No module specific data is present
Sep 19 21:06:39.304 INFO running `"docker" "rm" "-f" "15481014c7b62f026dce7ca2b7d331c88e47fc51398c413db80722809868d838"`
Sep 19 21:06:39.566 INFO blam! 15481014c7b62f026dce7ca2b7d331c88e47fc51398c413db80722809868d838