Nov 27 18:50:59.596 INFO checking the-wendell/margin_calculator against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 18:50:59.598 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 18:51:00.071 INFO [stdout] 9b26fa5dca795c5ac56abe8fc42fc0cb628be8edfcb8f91003743c5fe05d1ef0
Nov 27 18:51:00.076 INFO running `"docker" "start" "-a" "9b26fa5dca795c5ac56abe8fc42fc0cb628be8edfcb8f91003743c5fe05d1ef0"`
Nov 27 18:51:01.620 INFO [stderr] usermod: no changes
Nov 27 18:51:01.673 INFO [stderr]    Compiling libcruby-sys v0.7.5
Nov 27 18:51:01.673 INFO [stderr]     Checking cstr-macro v0.1.0
Nov 27 18:51:03.209 INFO [stderr]     Checking helix v0.7.5
Nov 27 18:51:05.157 INFO [stderr]     Checking margin_calculator v0.1.0 (/source)
Nov 27 18:51:06.285 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
Nov 27 18:51:06.289 INFO [stderr] su: No module specific data is present
Nov 27 18:51:07.936 INFO running `"docker" "inspect" "9b26fa5dca795c5ac56abe8fc42fc0cb628be8edfcb8f91003743c5fe05d1ef0"`
Nov 27 18:51:08.236 INFO running `"docker" "rm" "-f" "9b26fa5dca795c5ac56abe8fc42fc0cb628be8edfcb8f91003743c5fe05d1ef0"`
Nov 27 18:51:08.528 INFO [stdout] 9b26fa5dca795c5ac56abe8fc42fc0cb628be8edfcb8f91003743c5fe05d1ef0