Dec 07 16:29:11.649 INFO testing force_remove-0.1.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 16:29:11.649 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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"`
Dec 07 16:29:12.076 INFO [stdout] 84cfa907efb56e6649a77713a771ff7c9671a1049af5aeaab33caa73671a64e8
Dec 07 16:29:12.080 INFO running `"docker" "start" "-a" "84cfa907efb56e6649a77713a771ff7c9671a1049af5aeaab33caa73671a64e8"`
Dec 07 16:29:12.940 INFO [stderr] usermod: no changes
Dec 07 16:29:13.001 INFO [stderr]    Compiling force_remove v0.1.1 (/source)
Dec 07 16:29:13.389 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 07 16:29:13.389 INFO [stderr] su: No module specific data is present
Dec 07 16:29:13.749 INFO running `"docker" "inspect" "84cfa907efb56e6649a77713a771ff7c9671a1049af5aeaab33caa73671a64e8"`
Dec 07 16:29:13.833 INFO running `"docker" "rm" "-f" "84cfa907efb56e6649a77713a771ff7c9671a1049af5aeaab33caa73671a64e8"`
Dec 07 16:29:13.941 INFO [stdout] 84cfa907efb56e6649a77713a771ff7c9671a1049af5aeaab33caa73671a64e8
Dec 07 16:29:13.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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"`
Dec 07 16:29:14.166 INFO [stdout] 0d18e706ca2166dc50e0179fc394fc440cde60fe5fecc9ad80aeea82060d2b2a
Dec 07 16:29:14.170 INFO running `"docker" "start" "-a" "0d18e706ca2166dc50e0179fc394fc440cde60fe5fecc9ad80aeea82060d2b2a"`
Dec 07 16:29:14.954 INFO [stderr] usermod: no changes
Dec 07 16:29:15.001 INFO [stderr]    Compiling force_remove v0.1.1 (/source)
Dec 07 16:29:15.380 INFO [stderr] warning: unused import: `std::os`
Dec 07 16:29:15.380 INFO [stderr]   --> src/lib.rs:42:9
Dec 07 16:29:15.380 INFO [stderr]    |
Dec 07 16:29:15.380 INFO [stderr] 42 |     use std::os;
Dec 07 16:29:15.380 INFO [stderr]    |         ^^^^^^^
Dec 07 16:29:15.380 INFO [stderr]    |
Dec 07 16:29:15.380 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 07 16:29:15.380 INFO [stderr] 
Dec 07 16:29:15.380 INFO [stderr] warning: unused import: `std::io`
Dec 07 16:29:15.380 INFO [stderr]   --> src/lib.rs:46:9
Dec 07 16:29:15.380 INFO [stderr]    |
Dec 07 16:29:15.380 INFO [stderr] 46 |     use std::io;
Dec 07 16:29:15.380 INFO [stderr]    |         ^^^^^^^
Dec 07 16:29:15.380 INFO [stderr] 
Dec 07 16:29:15.896 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 07 16:29:15.904 INFO [stderr] su: No module specific data is present
Dec 07 16:29:16.410 INFO running `"docker" "inspect" "0d18e706ca2166dc50e0179fc394fc440cde60fe5fecc9ad80aeea82060d2b2a"`
Dec 07 16:29:16.516 INFO running `"docker" "rm" "-f" "0d18e706ca2166dc50e0179fc394fc440cde60fe5fecc9ad80aeea82060d2b2a"`
Dec 07 16:29:16.680 INFO [stdout] 0d18e706ca2166dc50e0179fc394fc440cde60fe5fecc9ad80aeea82060d2b2a