Sep 17 12:25:43.575 INFO checking kyren/luster against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 12:25:43.575 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 12:25:43.575 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 12:25:44.056 INFO blam! 1489db63d1b3b925a857311507466558e5caf28fb8eeab7a4b926c3846a685f8
Sep 17 12:25:44.058 INFO running `"docker" "start" "-a" "1489db63d1b3b925a857311507466558e5caf28fb8eeab7a4b926c3846a685f8"`
Sep 17 12:25:46.191 INFO kablam! usermod: no changes
Sep 17 12:25:46.359 INFO kablam!     Checking unicode-xid v0.1.0
Sep 17 12:25:46.371 INFO kablam!    Compiling syn v0.13.11
Sep 17 12:25:46.839 INFO kablam!     Checking proc-macro2 v0.3.8
Sep 17 12:25:48.914 INFO kablam!     Checking quote v0.5.2
Sep 17 12:26:00.683 INFO kablam!     Checking synstructure v0.8.1
Sep 17 12:26:05.616 INFO kablam!     Checking gc-arena-derive v0.1.0 (/source/gc-arena/gc-arena-derive)
Sep 17 12:26:13.988 INFO kablam!     Checking gc-arena v0.1.0 (/source/gc-arena)
Sep 17 12:26:15.498 INFO kablam!     Checking luster v0.1.0 (/source)
Sep 17 12:26:21.508 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 35.29s
Sep 17 12:26:21.519 INFO kablam! su: No module specific data is present
Sep 17 12:26:23.129 INFO running `"docker" "rm" "-f" "1489db63d1b3b925a857311507466558e5caf28fb8eeab7a4b926c3846a685f8"`
Sep 17 12:26:23.503 INFO blam! 1489db63d1b3b925a857311507466558e5caf28fb8eeab7a4b926c3846a685f8