Oct 13 09:39:55.458 INFO checking rtfm-syntax-0.3.4 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 09:39:55.459 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 09:39:55.916 INFO blam! b2f78f50b79ac812629a0050690e881ef900ab5ffaf644f4eb70546864ff270e
Oct 13 09:39:55.924 INFO running `"docker" "start" "-a" "b2f78f50b79ac812629a0050690e881ef900ab5ffaf644f4eb70546864ff270e"`
Oct 13 09:39:57.732 INFO kablam! usermod: no changes
Oct 13 09:39:57.925 INFO kablam!     Checking proc-macro2 v0.4.20
Oct 13 09:39:57.926 INFO kablam!    Compiling syn v0.14.9
Oct 13 09:40:04.104 INFO kablam!     Checking quote v0.6.8
Oct 13 09:40:29.256 INFO kablam!    Compiling synstructure v0.9.0
Oct 13 09:40:35.707 INFO kablam!    Compiling failure_derive v0.1.2
Oct 13 09:40:41.416 INFO kablam!     Checking failure v0.1.2
Oct 13 09:40:42.479 INFO kablam!     Checking rtfm-syntax v0.3.4 (/source)
Oct 13 09:40:47.070 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 49.30s
Oct 13 09:40:47.070 INFO kablam! su: No module specific data is present
Oct 13 09:40:47.535 INFO running `"docker" "rm" "-f" "b2f78f50b79ac812629a0050690e881ef900ab5ffaf644f4eb70546864ff270e"`
Oct 13 09:40:47.654 INFO blam! b2f78f50b79ac812629a0050690e881ef900ab5ffaf644f4eb70546864ff270e