Nov 30 16:43:19.883 INFO checking rtfm-syntax-0.3.4 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 16:43:19.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 16:43:20.464 INFO [stdout] 7d999a65e6273344bd38d40f1c2471447c34e3bd90cbb723e6be1cc83e4c9ad7
Nov 30 16:43:20.466 INFO running `"docker" "start" "-a" "7d999a65e6273344bd38d40f1c2471447c34e3bd90cbb723e6be1cc83e4c9ad7"`
Nov 30 16:43:22.668 INFO [stderr] usermod: no changes
Nov 30 16:43:22.820 INFO [stderr]    Compiling syn v0.15.22
Nov 30 16:43:38.464 INFO [stderr]    Compiling synstructure v0.10.1
Nov 30 16:43:43.964 INFO [stderr]    Compiling failure_derive v0.1.3
Nov 30 16:43:49.065 INFO [stderr]     Checking failure v0.1.3
Nov 30 16:43:49.996 INFO [stderr]     Checking rtfm-syntax v0.3.4 (/source)
Nov 30 16:43:54.696 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.00s
Nov 30 16:43:54.701 INFO [stderr] su: No module specific data is present
Nov 30 16:43:55.110 INFO running `"docker" "inspect" "7d999a65e6273344bd38d40f1c2471447c34e3bd90cbb723e6be1cc83e4c9ad7"`
Nov 30 16:43:55.217 INFO running `"docker" "rm" "-f" "7d999a65e6273344bd38d40f1c2471447c34e3bd90cbb723e6be1cc83e4c9ad7"`
Nov 30 16:43:55.302 INFO [stdout] 7d999a65e6273344bd38d40f1c2471447c34e3bd90cbb723e6be1cc83e4c9ad7