Sep 01 11:41:08.334 INFO checking pdf-canvas-0.5.4 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 11:41:08.334 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 11:41:08.334 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 11:41:08.506 INFO blam! 4409ffbd57f012277fa852b035dcc0267116f2a5a25b2f2f3721cc05b7f08400
Sep 01 11:41:08.508 INFO running `"docker" "start" "-a" "4409ffbd57f012277fa852b035dcc0267116f2a5a25b2f2f3721cc05b7f08400"`
Sep 01 11:41:09.165 INFO kablam!    Compiling pdf-canvas v0.5.4 (file:///source)
Sep 01 11:41:09.802 INFO kablam! warning: variable does not need to be mutable
Sep 01 11:41:09.802 INFO kablam!   --> src/build_metrics.rs:37:9
Sep 01 11:41:09.802 INFO kablam!    |
Sep 01 11:41:09.802 INFO kablam! 37 |     let mut f = &mut File::create(&dst).unwrap();
Sep 01 11:41:09.802 INFO kablam!    |         ----^
Sep 01 11:41:09.802 INFO kablam!    |         |
Sep 01 11:41:09.802 INFO kablam!    |         help: remove this `mut`
Sep 01 11:41:09.802 INFO kablam!    |
Sep 01 11:41:09.802 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 11:41:09.802 INFO kablam! 
Sep 01 11:41:14.401 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
Sep 01 11:41:14.412 INFO kablam! su: No module specific data is present
Sep 01 11:41:14.883 INFO running `"docker" "rm" "-f" "4409ffbd57f012277fa852b035dcc0267116f2a5a25b2f2f3721cc05b7f08400"`
Sep 01 11:41:15.013 INFO blam! 4409ffbd57f012277fa852b035dcc0267116f2a5a25b2f2f3721cc05b7f08400