[INFO] crate problem 5.1.2 is already in cache
[INFO] testing problem-5.1.2 against 1.38.0 for beta-1.39-1
[INFO] extracting crate problem 5.1.2 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate problem 5.1.2 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate problem 5.1.2
[INFO] finished tweaking crates.io crate problem 5.1.2
[INFO] tweaked toml for crates.io crate problem 5.1.2 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 5c75f217d5163cba89c748385d0ee559e71d9c635ab80c54a05ae04b233e39ae
[INFO] running `"docker" "start" "-a" "5c75f217d5163cba89c748385d0ee559e71d9c635ab80c54a05ae04b233e39ae"`
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling problem v5.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `"docker" "inspect" "5c75f217d5163cba89c748385d0ee559e71d9c635ab80c54a05ae04b233e39ae"`
[INFO] running `"docker" "rm" "-f" "5c75f217d5163cba89c748385d0ee559e71d9c635ab80c54a05ae04b233e39ae"`
[INFO] [stdout] 5c75f217d5163cba89c748385d0ee559e71d9c635ab80c54a05ae04b233e39ae
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46595f86c5fde0ad13674dccbb85d028159d553107bf4df8436bc18695678293
[INFO] running `"docker" "start" "-a" "46595f86c5fde0ad13674dccbb85d028159d553107bf4df8436bc18695678293"`
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling loggerv v0.7.2
[INFO] [stderr]    Compiling problem v5.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "46595f86c5fde0ad13674dccbb85d028159d553107bf4df8436bc18695678293"`
[INFO] running `"docker" "rm" "-f" "46595f86c5fde0ad13674dccbb85d028159d553107bf4df8436bc18695678293"`
[INFO] [stdout] 46595f86c5fde0ad13674dccbb85d028159d553107bf4df8436bc18695678293
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 4a51d0500bd546a774d9d6519f3610f2de32b174d3c2291e48f7e38680f2070b
[INFO] running `"docker" "start" "-a" "4a51d0500bd546a774d9d6519f3610f2de32b174d3c2291e48f7e38680f2070b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/problem-d090c7b5070f36f7
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stderr] problem::logged: Continuing with error: Baz error; caused by: Bar error; caused by: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stdout] test tests::test_convertion ... ok
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Baz error; caused by: Bar error; caused by: Foo error
[INFO] [stdout] test tests::test_problem_backtrace ... ok
[INFO] [stdout] test tests::test_problem_log_error ... ok
[INFO] [stdout] test tests::test_problem_log_iter_warn ... ok
[INFO] [stdout] test tests::test_problem_log_iter_error ... ok
[INFO] [stdout] test tests::test_problem_log_warn ... ok
[INFO] [stdout] test tests::test_in_context_of ... ok
[INFO] [stdout] test tests::test_integration ... ok
[INFO] [stdout] test tests::test_integration_message ... ok
[INFO] [stdout] test tests::test_option ... ok
[INFO] [stdout] test tests::test_integration_cause_chain ... ok
[INFO] [stdout] test tests::test_option_errors ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_result_cause_chain ... ok
[INFO] [stdout] test tests::test_result_cause_chain_message ... ok
[INFO] [stdout] test tests::test_result_iter_or_failed_to ... ok
[INFO] [stdout] test tests::test_result_ok_or_problem ... ok
[INFO] [stdout] test tests::test_result_option_errors_unknown ... ok
[INFO] [stdout] test tests::test_panic_format_stderr ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_expect ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_problem ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_unwrap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/skeptic-b394b834eef45917
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test readme_sect_example_line_29 ... ok
[INFO] [stderr] Fatal error: Failed to create a string due to: invalid utf-8 sequence of 1 bytes from index 2
[INFO] [stdout] test readme_sect_example_line_44 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests problem
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs -  (line 251) ... ok
[INFO] [stdout] test src/lib.rs -  (line 394) ... ok
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] test src/lib.rs -  (line 38) ... ok
[INFO] [stdout] test src/lib.rs -  (line 238) ... ok
[INFO] [stdout] test src/lib.rs -  (line 108) ... ok
[INFO] [stdout] test src/lib.rs -  (line 133) ... ok
[INFO] [stdout] test src/lib.rs -  (line 151) ... ok
[INFO] [stdout] test src/lib.rs -  (line 121) ... ok
[INFO] [stdout] test src/lib.rs -  (line 161) ... ok
[INFO] [stdout] test src/lib.rs -  (line 266) ... ok
[INFO] [stdout] test src/lib.rs -  (line 189) ... ok
[INFO] [stdout] test src/lib.rs -  (line 175) ... ok
[INFO] [stdout] test src/lib.rs -  (line 204) ... ok
[INFO] [stdout] test src/lib.rs -  (line 285) ... ok
[INFO] [stdout] test src/lib.rs -  (line 52) ... ok
[INFO] [stdout] test src/lib.rs -  (line 96) ... ok
[INFO] [stdout] test src/lib.rs -  (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4a51d0500bd546a774d9d6519f3610f2de32b174d3c2291e48f7e38680f2070b"`
[INFO] running `"docker" "rm" "-f" "4a51d0500bd546a774d9d6519f3610f2de32b174d3c2291e48f7e38680f2070b"`
[INFO] [stdout] 4a51d0500bd546a774d9d6519f3610f2de32b174d3c2291e48f7e38680f2070b