Oct 13 09:39:54.284 INFO checking rtfm-syntax-0.3.4 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 09:39:54.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 09:39:54.759 INFO blam! afbc23518b98c540e5c17613fea3d9202c73c40f176e6085f3c8644111a9cbb5
Oct 13 09:39:54.761 INFO running `"docker" "start" "-a" "afbc23518b98c540e5c17613fea3d9202c73c40f176e6085f3c8644111a9cbb5"`
Oct 13 09:39:55.968 INFO kablam! usermod: no changes
Oct 13 09:39:56.092 INFO kablam!     Checking proc-macro2 v0.4.20
Oct 13 09:39:56.113 INFO kablam!    Compiling syn v0.14.9
Oct 13 09:40:03.121 INFO kablam!     Checking quote v0.6.8
Oct 13 09:40:30.904 INFO kablam!    Compiling synstructure v0.9.0
Oct 13 09:40:37.591 INFO kablam!    Compiling failure_derive v0.1.2
Oct 13 09:40:43.236 INFO kablam!     Checking failure v0.1.2
Oct 13 09:40:44.532 INFO kablam!     Checking rtfm-syntax v0.3.4 (/source)
Oct 13 09:40:49.006 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 53.01s
Oct 13 09:40:49.010 INFO kablam! su: No module specific data is present
Oct 13 09:40:49.560 INFO running `"docker" "rm" "-f" "afbc23518b98c540e5c17613fea3d9202c73c40f176e6085f3c8644111a9cbb5"`
Oct 13 09:40:49.719 INFO blam! afbc23518b98c540e5c17613fea3d9202c73c40f176e6085f3c8644111a9cbb5