Dec 06 21:21:18.492 INFO testing string-builder-0.2.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 21:21:18.492 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 06 21:21:18.667 INFO [stdout] 4dacbaa94b7bb59663c7ca54f34effe40591e11dcd48e9b4883fa5491dca41b7
Dec 06 21:21:18.675 INFO running `"docker" "start" "-a" "4dacbaa94b7bb59663c7ca54f34effe40591e11dcd48e9b4883fa5491dca41b7"`
Dec 06 21:21:19.217 INFO [stderr] usermod: no changes
Dec 06 21:21:19.266 INFO [stderr]    Compiling string-builder v0.2.0 (/source)
Dec 06 21:21:20.021 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 06 21:21:20.024 INFO [stderr] su: No module specific data is present
Dec 06 21:21:20.914 INFO running `"docker" "inspect" "4dacbaa94b7bb59663c7ca54f34effe40591e11dcd48e9b4883fa5491dca41b7"`
Dec 06 21:21:21.236 INFO running `"docker" "rm" "-f" "4dacbaa94b7bb59663c7ca54f34effe40591e11dcd48e9b4883fa5491dca41b7"`
Dec 06 21:21:21.488 INFO [stdout] 4dacbaa94b7bb59663c7ca54f34effe40591e11dcd48e9b4883fa5491dca41b7
Dec 06 21:21:21.492 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 06 21:21:21.706 INFO [stdout] f8b8ae45793888fbb502174c8591b17c6c3380c93f3daafcadd07bb2da223265
Dec 06 21:21:21.714 INFO running `"docker" "start" "-a" "f8b8ae45793888fbb502174c8591b17c6c3380c93f3daafcadd07bb2da223265"`
Dec 06 21:21:22.251 INFO [stderr] usermod: no changes
Dec 06 21:21:22.277 INFO [stderr]    Compiling string-builder v0.2.0 (/source)
Dec 06 21:21:23.191 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 06 21:21:23.194 INFO [stderr] su: No module specific data is present
Dec 06 21:21:23.649 INFO running `"docker" "inspect" "f8b8ae45793888fbb502174c8591b17c6c3380c93f3daafcadd07bb2da223265"`
Dec 06 21:21:23.944 INFO running `"docker" "rm" "-f" "f8b8ae45793888fbb502174c8591b17c6c3380c93f3daafcadd07bb2da223265"`
Dec 06 21:21:24.216 INFO [stdout] f8b8ae45793888fbb502174c8591b17c6c3380c93f3daafcadd07bb2da223265
Dec 06 21:21:24.218 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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" "-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 21:21:24.623 INFO [stdout] b8a5fa6894add474a493bb29ad6fc286f07fa2c4d7c7840e5afd98e178064782
Dec 06 21:21:24.625 INFO running `"docker" "start" "-a" "b8a5fa6894add474a493bb29ad6fc286f07fa2c4d7c7840e5afd98e178064782"`
Dec 06 21:21:25.235 INFO [stderr] usermod: no changes
Dec 06 21:21:25.289 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 21:21:25.289 INFO [stderr]      Running /target/debug/deps/string_builder-dbbccb57c3a7b95b
Dec 06 21:21:25.289 INFO [stderr]    Doc-tests string-builder
Dec 06 21:21:25.290 INFO [stdout] 
Dec 06 21:21:25.290 INFO [stdout] running 3 tests
Dec 06 21:21:25.290 INFO [stdout] test tests::test_all_supported_types ... ok
Dec 06 21:21:25.290 INFO [stdout] test tests::test_tool_album ... ok
Dec 06 21:21:25.290 INFO [stdout] test tests::test_individual_unicode_characters ... ok
Dec 06 21:21:25.290 INFO [stdout] 
Dec 06 21:21:25.290 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 21:21:25.290 INFO [stdout] 
Dec 06 21:21:25.894 INFO [stdout] 
Dec 06 21:21:25.894 INFO [stdout] running 3 tests
Dec 06 21:21:26.821 INFO [stdout] test src/lib.rs - Builder::append (line 30) ... ok
Dec 06 21:21:26.917 INFO [stdout] test src/lib.rs - Builder::len (line 44) ... ok
Dec 06 21:21:26.986 INFO [stdout] test src/lib.rs - Builder::string (line 60) ... ok
Dec 06 21:21:26.986 INFO [stdout] 
Dec 06 21:21:26.986 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 21:21:26.986 INFO [stdout] 
Dec 06 21:21:27.002 INFO [stderr] su: No module specific data is present
Dec 06 21:21:27.275 INFO running `"docker" "inspect" "b8a5fa6894add474a493bb29ad6fc286f07fa2c4d7c7840e5afd98e178064782"`
Dec 06 21:21:27.359 INFO running `"docker" "rm" "-f" "b8a5fa6894add474a493bb29ad6fc286f07fa2c4d7c7840e5afd98e178064782"`
Dec 06 21:21:27.453 INFO [stdout] b8a5fa6894add474a493bb29ad6fc286f07fa2c4d7c7840e5afd98e178064782