Dec 06 07:05:12.370 INFO testing amatho/challenges-rs against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 07:05:12.370 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 07:05:12.530 INFO [stdout] baed0ce45c15ef5957dcdf2ed8ac17d1a9edaacfc11028facb72e577eb8d402c
Dec 06 07:05:12.531 INFO running `"docker" "start" "-a" "baed0ce45c15ef5957dcdf2ed8ac17d1a9edaacfc11028facb72e577eb8d402c"`
Dec 06 07:05:13.030 INFO [stderr] usermod: no changes
Dec 06 07:05:13.116 INFO [stderr]    Compiling challenges v0.1.0 (/source)
Dec 06 07:05:13.896 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 06 07:05:13.898 INFO [stderr] su: No module specific data is present
Dec 06 07:05:14.151 INFO running `"docker" "inspect" "baed0ce45c15ef5957dcdf2ed8ac17d1a9edaacfc11028facb72e577eb8d402c"`
Dec 06 07:05:14.219 INFO running `"docker" "rm" "-f" "baed0ce45c15ef5957dcdf2ed8ac17d1a9edaacfc11028facb72e577eb8d402c"`
Dec 06 07:05:14.277 INFO [stdout] baed0ce45c15ef5957dcdf2ed8ac17d1a9edaacfc11028facb72e577eb8d402c
Dec 06 07:05:14.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 07:05:14.416 INFO [stdout] 48c5e0123decb97a736f6f8ef4a7814c5680141617e9326277f8ee9e745593b2
Dec 06 07:05:14.418 INFO running `"docker" "start" "-a" "48c5e0123decb97a736f6f8ef4a7814c5680141617e9326277f8ee9e745593b2"`
Dec 06 07:05:14.972 INFO [stderr] usermod: no changes
Dec 06 07:05:15.001 INFO [stderr]    Compiling challenges v0.1.0 (/source)
Dec 06 07:05:15.608 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 06 07:05:15.609 INFO [stderr] su: No module specific data is present
Dec 06 07:05:15.910 INFO running `"docker" "inspect" "48c5e0123decb97a736f6f8ef4a7814c5680141617e9326277f8ee9e745593b2"`
Dec 06 07:05:15.987 INFO running `"docker" "rm" "-f" "48c5e0123decb97a736f6f8ef4a7814c5680141617e9326277f8ee9e745593b2"`
Dec 06 07:05:16.074 INFO [stdout] 48c5e0123decb97a736f6f8ef4a7814c5680141617e9326277f8ee9e745593b2
Dec 06 07:05:16.075 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --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 06 07:05:16.231 INFO [stdout] bbe126a8885beb4c4cc876331f689f4dbe37fca82da314b8df405de16b61bbb2
Dec 06 07:05:16.233 INFO running `"docker" "start" "-a" "bbe126a8885beb4c4cc876331f689f4dbe37fca82da314b8df405de16b61bbb2"`
Dec 06 07:05:16.594 INFO [stderr] usermod: no changes
Dec 06 07:05:16.643 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 07:05:16.643 INFO [stderr]      Running /target/debug/deps/challenges-0d6d33a5995a3650
Dec 06 07:05:16.645 INFO [stdout] 
Dec 06 07:05:16.645 INFO [stdout] running 1 test
Dec 06 07:05:16.652 INFO [stdout] test tests::get_middle ... ok
Dec 06 07:05:16.652 INFO [stdout] 
Dec 06 07:05:16.652 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:05:16.652 INFO [stdout] 
Dec 06 07:05:16.652 INFO [stderr]      Running /target/debug/deps/challenges-b7d7649253888a09
Dec 06 07:05:16.664 INFO [stderr]    Doc-tests challenges
Dec 06 07:05:16.664 INFO [stdout] 
Dec 06 07:05:16.664 INFO [stdout] running 0 tests
Dec 06 07:05:16.664 INFO [stdout] 
Dec 06 07:05:16.664 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:05:16.664 INFO [stdout] 
Dec 06 07:05:16.920 INFO [stdout] 
Dec 06 07:05:16.921 INFO [stdout] running 0 tests
Dec 06 07:05:16.921 INFO [stdout] 
Dec 06 07:05:16.921 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:05:16.921 INFO [stdout] 
Dec 06 07:05:16.924 INFO [stderr] su: No module specific data is present
Dec 06 07:05:17.454 INFO running `"docker" "inspect" "bbe126a8885beb4c4cc876331f689f4dbe37fca82da314b8df405de16b61bbb2"`
Dec 06 07:05:17.754 INFO running `"docker" "rm" "-f" "bbe126a8885beb4c4cc876331f689f4dbe37fca82da314b8df405de16b61bbb2"`
Dec 06 07:05:17.980 INFO [stdout] bbe126a8885beb4c4cc876331f689f4dbe37fca82da314b8df405de16b61bbb2