Nov 29 22:50:24.933 INFO checking markcol/leveldb-rs against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 22:50:24.933 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 29 22:50:25.089 INFO [stdout] f1bdbb1aa61f545ab0acb2df66198d1f4838855fc74ae8b93430d9ed09a8ff81
Nov 29 22:50:25.093 INFO running `"docker" "start" "-a" "f1bdbb1aa61f545ab0acb2df66198d1f4838855fc74ae8b93430d9ed09a8ff81"`
Nov 29 22:50:25.428 INFO [stderr] usermod: no changes
Nov 29 22:50:25.522 INFO [stderr]    Compiling syn v0.12.14
Nov 29 22:50:25.522 INFO [stderr]     Checking env_logger v0.5.6
Nov 29 22:50:32.704 INFO [stderr]    Compiling structopt-derive v0.2.5
Nov 29 22:50:36.336 INFO [stderr]     Checking structopt v0.2.5
Nov 29 22:50:36.824 INFO [stderr]     Checking leveldb-rs v0.1.0 (/source)
Nov 29 22:50:38.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.40s
Nov 29 22:50:38.861 INFO [stderr] su: No module specific data is present
Nov 29 22:50:40.066 INFO running `"docker" "inspect" "f1bdbb1aa61f545ab0acb2df66198d1f4838855fc74ae8b93430d9ed09a8ff81"`
Nov 29 22:50:40.462 INFO running `"docker" "rm" "-f" "f1bdbb1aa61f545ab0acb2df66198d1f4838855fc74ae8b93430d9ed09a8ff81"`
Nov 29 22:50:40.860 INFO [stdout] f1bdbb1aa61f545ab0acb2df66198d1f4838855fc74ae8b93430d9ed09a8ff81