Aug 02 02:34:32.465 INFO checking pdf-0.5.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 02:34:32.465 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:34:32.465 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:34:32.465 INFO running `"docker" "create" "-v" "/tmp/crater.IHbrNCh0hqfJ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 02:34:32.722 INFO blam! 0cce98ac8cd2876c31a5a51dc972cfa6ee80ddf9f3878ece0aff89f378836bd4
Aug 02 02:34:32.724 INFO running `"docker" "start" "-a" "0cce98ac8cd2876c31a5a51dc972cfa6ee80ddf9f3878ece0aff89f378836bd4"`
Aug 02 02:34:33.673 INFO kablam!    Compiling pdf v0.5.2 (file:///source)
Aug 02 02:34:34.382 INFO kablam! warning: variable does not need to be mutable
Aug 02 02:34:34.382 INFO kablam!   --> src/build_metrics.rs:37:9
Aug 02 02:34:34.382 INFO kablam!    |
Aug 02 02:34:34.382 INFO kablam! 37 |     let mut f = &mut File::create(&dst).unwrap();
Aug 02 02:34:34.382 INFO kablam!    |         ----^
Aug 02 02:34:34.382 INFO kablam!    |         |
Aug 02 02:34:34.382 INFO kablam!    |         help: remove this `mut`
Aug 02 02:34:34.383 INFO kablam!    |
Aug 02 02:34:34.383 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 02 02:34:34.383 INFO kablam! 
Aug 02 02:34:40.926 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.32s
Aug 02 02:34:40.931 INFO kablam! su: No module specific data is present
Aug 02 02:34:42.054 INFO running `"docker" "rm" "-f" "0cce98ac8cd2876c31a5a51dc972cfa6ee80ddf9f3878ece0aff89f378836bd4"`
Aug 02 02:34:42.170 INFO blam! 0cce98ac8cd2876c31a5a51dc972cfa6ee80ddf9f3878ece0aff89f378836bd4