Nov 01 17:22:33.781 INFO checking rtfm-syntax-0.3.4 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 17:22:33.781 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 17:22:34.254 INFO blam! b365220e76a1a409b754d3cb2b9de274897a04000b70eca1f5897f4be06090f5
Nov 01 17:22:34.255 INFO running `"docker" "start" "-a" "b365220e76a1a409b754d3cb2b9de274897a04000b70eca1f5897f4be06090f5"`
Nov 01 17:22:35.456 INFO kablam! usermod: no changes
Nov 01 17:22:35.576 INFO kablam!     Checking proc-macro2 v0.4.20
Nov 01 17:22:35.576 INFO kablam!    Compiling syn v0.15.17
Nov 01 17:22:41.704 INFO kablam!     Checking quote v0.6.9
Nov 01 17:22:45.731 INFO kablam!     Checking syn v0.14.9
Nov 01 17:22:57.268 INFO kablam!    Compiling synstructure v0.10.1
Nov 01 17:23:04.956 INFO kablam!    Compiling failure_derive v0.1.3
Nov 01 17:23:09.844 INFO kablam!     Checking failure v0.1.3
Nov 01 17:23:10.922 INFO kablam!     Checking rtfm-syntax v0.3.4 (/source)
Nov 01 17:23:14.785 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 39.30s
Nov 01 17:23:14.785 INFO kablam! su: No module specific data is present
Nov 01 17:23:15.624 INFO running `"docker" "rm" "-f" "b365220e76a1a409b754d3cb2b9de274897a04000b70eca1f5897f4be06090f5"`
Nov 01 17:23:16.109 INFO blam! b365220e76a1a409b754d3cb2b9de274897a04000b70eca1f5897f4be06090f5