Sep 10 13:10:46.904 INFO checking pdf-0.5.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 13:10:46.904 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 13:10:46.904 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 13:10:47.058 INFO blam! 01b7b149b2500cbec6cc7141bc21cbadeeed5eaa63df14a7ab76c9c7b2f37b1c
Sep 10 13:10:47.060 INFO running `"docker" "start" "-a" "01b7b149b2500cbec6cc7141bc21cbadeeed5eaa63df14a7ab76c9c7b2f37b1c"`
Sep 10 13:10:47.866 INFO kablam! usermod: no changes
Sep 10 13:10:47.895 INFO kablam!    Compiling pdf v0.5.2 (file:///source)
Sep 10 13:10:48.148 INFO kablam! warning: variable does not need to be mutable
Sep 10 13:10:48.148 INFO kablam!   --> src/build_metrics.rs:37:9
Sep 10 13:10:48.148 INFO kablam!    |
Sep 10 13:10:48.148 INFO kablam! 37 |     let mut f = &mut File::create(&dst).unwrap();
Sep 10 13:10:48.148 INFO kablam!    |         ----^
Sep 10 13:10:48.148 INFO kablam!    |         |
Sep 10 13:10:48.148 INFO kablam!    |         help: remove this `mut`
Sep 10 13:10:48.148 INFO kablam!    |
Sep 10 13:10:48.148 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 13:10:48.148 INFO kablam! 
Sep 10 13:10:50.706 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
Sep 10 13:10:50.709 INFO kablam! su: No module specific data is present
Sep 10 13:10:51.220 INFO running `"docker" "rm" "-f" "01b7b149b2500cbec6cc7141bc21cbadeeed5eaa63df14a7ab76c9c7b2f37b1c"`
Sep 10 13:10:51.324 INFO blam! 01b7b149b2500cbec6cc7141bc21cbadeeed5eaa63df14a7ab76c9c7b2f37b1c