Dec 14 18:13:12.305 INFO testing string-builder-0.2.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 18:13:12.305 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 18:13:12.550 INFO [stdout] 03cc9aae60e534e7625aec6ea679a8bc120655bb3485b9df2b7885f78db5e1cf
Dec 14 18:13:12.552 INFO running `"docker" "start" "-a" "03cc9aae60e534e7625aec6ea679a8bc120655bb3485b9df2b7885f78db5e1cf"`
Dec 14 18:13:13.342 INFO [stderr] usermod: no changes
Dec 14 18:13:13.388 INFO [stderr]    Compiling string-builder v0.2.0 (/source)
Dec 14 18:13:14.049 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 14 18:13:14.055 INFO [stderr] su: No module specific data is present
Dec 14 18:13:14.325 INFO running `"docker" "inspect" "03cc9aae60e534e7625aec6ea679a8bc120655bb3485b9df2b7885f78db5e1cf"`
Dec 14 18:13:14.493 INFO running `"docker" "rm" "-f" "03cc9aae60e534e7625aec6ea679a8bc120655bb3485b9df2b7885f78db5e1cf"`
Dec 14 18:13:14.702 INFO [stdout] 03cc9aae60e534e7625aec6ea679a8bc120655bb3485b9df2b7885f78db5e1cf
Dec 14 18:13:14.704 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 18:13:15.031 INFO [stdout] 99b9ce54e1b89cb312434191c6495f9dbb1563fa4e2f1a1d15cb67f31decaca3
Dec 14 18:13:15.036 INFO running `"docker" "start" "-a" "99b9ce54e1b89cb312434191c6495f9dbb1563fa4e2f1a1d15cb67f31decaca3"`
Dec 14 18:13:15.494 INFO [stderr] usermod: no changes
Dec 14 18:13:15.552 INFO [stderr]    Compiling string-builder v0.2.0 (/source)
Dec 14 18:13:16.494 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 14 18:13:16.497 INFO [stderr] su: No module specific data is present
Dec 14 18:13:16.888 INFO running `"docker" "inspect" "99b9ce54e1b89cb312434191c6495f9dbb1563fa4e2f1a1d15cb67f31decaca3"`
Dec 14 18:13:17.053 INFO running `"docker" "rm" "-f" "99b9ce54e1b89cb312434191c6495f9dbb1563fa4e2f1a1d15cb67f31decaca3"`
Dec 14 18:13:17.267 INFO [stdout] 99b9ce54e1b89cb312434191c6495f9dbb1563fa4e2f1a1d15cb67f31decaca3
Dec 14 18:13:17.271 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 18:13:17.627 INFO [stdout] 75d1e2f23102bec5466c735de302b6a88f0b65e3fc2a41eb4f4a57138e8f30c2
Dec 14 18:13:17.637 INFO running `"docker" "start" "-a" "75d1e2f23102bec5466c735de302b6a88f0b65e3fc2a41eb4f4a57138e8f30c2"`
Dec 14 18:13:18.467 INFO [stderr] usermod: no changes
Dec 14 18:13:18.527 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 18:13:18.527 INFO [stderr]      Running /target/debug/deps/string_builder-973b60fcd64d8f41
Dec 14 18:13:18.528 INFO [stdout] 
Dec 14 18:13:18.528 INFO [stdout] running 3 tests
Dec 14 18:13:18.531 INFO [stdout] test tests::test_all_supported_types ... ok
Dec 14 18:13:18.531 INFO [stdout] test tests::test_individual_unicode_characters ... ok
Dec 14 18:13:18.531 INFO [stdout] test tests::test_tool_album ... ok
Dec 14 18:13:18.531 INFO [stdout] 
Dec 14 18:13:18.531 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 18:13:18.531 INFO [stdout] 
Dec 14 18:13:18.533 INFO [stderr]    Doc-tests string-builder
Dec 14 18:13:19.442 INFO [stdout] 
Dec 14 18:13:19.442 INFO [stdout] running 3 tests
Dec 14 18:13:20.703 INFO [stdout] test src/lib.rs - Builder::string (line 60) ... ok
Dec 14 18:13:20.817 INFO [stdout] test src/lib.rs - Builder::len (line 44) ... ok
Dec 14 18:13:20.818 INFO [stdout] test src/lib.rs - Builder::append (line 30) ... ok
Dec 14 18:13:20.818 INFO [stdout] 
Dec 14 18:13:20.818 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 18:13:20.818 INFO [stdout] 
Dec 14 18:13:20.835 INFO [stderr] su: No module specific data is present
Dec 14 18:13:21.116 INFO running `"docker" "inspect" "75d1e2f23102bec5466c735de302b6a88f0b65e3fc2a41eb4f4a57138e8f30c2"`
Dec 14 18:13:21.217 INFO running `"docker" "rm" "-f" "75d1e2f23102bec5466c735de302b6a88f0b65e3fc2a41eb4f4a57138e8f30c2"`
Dec 14 18:13:21.328 INFO [stdout] 75d1e2f23102bec5466c735de302b6a88f0b65e3fc2a41eb4f4a57138e8f30c2