[INFO] crate problem 5.1.0 is already in cache
[INFO] extracting crate problem 5.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/problem/5.1.0
[INFO] extracting crate problem 5.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/problem/5.1.0
[INFO] validating manifest of problem-5.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of problem-5.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing problem-5.1.0
[INFO] finished frobbing problem-5.1.0
[INFO] frobbed toml for problem-5.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/problem/5.1.0/Cargo.toml
[INFO] started frobbing problem-5.1.0
[INFO] finished frobbing problem-5.1.0
[INFO] frobbed toml for problem-5.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/problem/5.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing problem-5.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/problem/5.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a92f57efa2622883bc04058f010bd136487ca849ca882fb728c64cfc6e588dbe
[INFO] running `"docker" "start" "-a" "a92f57efa2622883bc04058f010bd136487ca849ca882fb728c64cfc6e588dbe"`
[INFO] [stderr]    Compiling problem v5.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "a92f57efa2622883bc04058f010bd136487ca849ca882fb728c64cfc6e588dbe"`
[INFO] running `"docker" "rm" "-f" "a92f57efa2622883bc04058f010bd136487ca849ca882fb728c64cfc6e588dbe"`
[INFO] [stdout] a92f57efa2622883bc04058f010bd136487ca849ca882fb728c64cfc6e588dbe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/problem/5.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b8ebca64a1385b39c96fb9d733d8d3135461b70eac6bfb992d8340dcc3562984
[INFO] running `"docker" "start" "-a" "b8ebca64a1385b39c96fb9d733d8d3135461b70eac6bfb992d8340dcc3562984"`
[INFO] [stderr]    Compiling loggerv v0.7.1
[INFO] [stderr]    Compiling problem v5.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "b8ebca64a1385b39c96fb9d733d8d3135461b70eac6bfb992d8340dcc3562984"`
[INFO] running `"docker" "rm" "-f" "b8ebca64a1385b39c96fb9d733d8d3135461b70eac6bfb992d8340dcc3562984"`
[INFO] [stdout] b8ebca64a1385b39c96fb9d733d8d3135461b70eac6bfb992d8340dcc3562984
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/problem/5.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5d8d50b552fa99184fd1b388a61622adee5446b68b9f7ac8dae1fb02ef012991
[INFO] running `"docker" "start" "-a" "5d8d50b552fa99184fd1b388a61622adee5446b68b9f7ac8dae1fb02ef012991"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/problem-8d20b6de102f79b6
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test tests::test_convertion ... ok
[INFO] [stdout] test tests::test_option_errors ... ok
[INFO] [stdout] test tests::test_integration_message ... ok
[INFO] [stdout] test tests::test_integration ... ok
[INFO] [stdout] test tests::test_option ... ok
[INFO] [stdout] test tests::test_integration_cause_chain ... ok
[INFO] [stdout] test tests::test_in_context_of ... ok
[INFO] [stdout] test tests::test_panic_format_stderr ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_unwrap ... ok
[INFO] [stdout] test tests::test_problem_backtrace ... 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: Baz error; caused by: Bar error; caused by: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Baz error; caused by: Bar error; caused by: Foo error
[INFO] [stdout] test tests::test_panic_format_stderr_expect ... ok
[INFO] [stdout] test tests::test_problem_log_iter_error ... ok
[INFO] [stdout] test tests::test_problem_log_error ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_problem ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_problem_log_warn ... ok
[INFO] [stdout] test tests::test_problem_log_iter_warn ... ok
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stdout] test tests::test_result_ok_or_problem ... ok
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stdout] test tests::test_result_option_errors_unknown ... ok
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[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] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skeptic-0855bc8a14570360
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[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_27 ... ok
[INFO] [stdout] test readme_sect_example_line_42 ... 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 121) ... ok
[INFO] [stdout] test src/lib.rs -  (line 108) ... ok
[INFO] [stdout] test src/lib.rs -  (line 151) ... ok
[INFO] [stdout] test src/lib.rs -  (line 161) ... ok
[INFO] [stdout] test src/lib.rs -  (line 133) ... ok
[INFO] [stdout] test src/lib.rs -  (line 189) ... ok
[INFO] [stdout] test src/lib.rs -  (line 204) ... ok
[INFO] [stdout] test src/lib.rs -  (line 175) ... ok
[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 266) ... ok
[INFO] [stdout] test src/lib.rs -  (line 238) ... ok
[INFO] [stdout] test src/lib.rs -  (line 38) ... ok
[INFO] [stdout] test src/lib.rs -  (line 52) ... ok
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] test src/lib.rs -  (line 285) ... 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" "5d8d50b552fa99184fd1b388a61622adee5446b68b9f7ac8dae1fb02ef012991"`
[INFO] running `"docker" "rm" "-f" "5d8d50b552fa99184fd1b388a61622adee5446b68b9f7ac8dae1fb02ef012991"`
[INFO] [stdout] 5d8d50b552fa99184fd1b388a61622adee5446b68b9f7ac8dae1fb02ef012991