[INFO] crate problem 0.1.0 is already in cache
[INFO] extracting crate problem 0.1.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/problem/0.1.0
[INFO] extracting crate problem 0.1.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/problem/0.1.0
[INFO] validating manifest of problem-0.1.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of problem-0.1.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing problem-0.1.0
[INFO] finished frobbing problem-0.1.0
[INFO] frobbed toml for problem-0.1.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/problem/0.1.0/Cargo.toml
[INFO] started frobbing problem-0.1.0
[INFO] finished frobbing problem-0.1.0
[INFO] frobbed toml for problem-0.1.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/problem/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing problem-0.1.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/problem/0.1.0:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 7ba0d093ab012c01fe28ff40097d8118100373fb38a8a30a83f526dfcec1132c
[INFO] running `"docker" "start" "-a" "7ba0d093ab012c01fe28ff40097d8118100373fb38a8a30a83f526dfcec1132c"`
[INFO] [stderr]    Compiling problem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `"docker" "inspect" "7ba0d093ab012c01fe28ff40097d8118100373fb38a8a30a83f526dfcec1132c"`
[INFO] running `"docker" "rm" "-f" "7ba0d093ab012c01fe28ff40097d8118100373fb38a8a30a83f526dfcec1132c"`
[INFO] [stdout] 7ba0d093ab012c01fe28ff40097d8118100373fb38a8a30a83f526dfcec1132c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/problem/0.1.0:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 887da616b56776d7d9605932bb18c0a6857abc3b72eb783633c41b4114d615e3
[INFO] running `"docker" "start" "-a" "887da616b56776d7d9605932bb18c0a6857abc3b72eb783633c41b4114d615e3"`
[INFO] [stderr]    Compiling problem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `"docker" "inspect" "887da616b56776d7d9605932bb18c0a6857abc3b72eb783633c41b4114d615e3"`
[INFO] running `"docker" "rm" "-f" "887da616b56776d7d9605932bb18c0a6857abc3b72eb783633c41b4114d615e3"`
[INFO] [stdout] 887da616b56776d7d9605932bb18c0a6857abc3b72eb783633c41b4114d615e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/problem/0.1.0:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] d505a9a6baaa91a649a06edaa8a49aff43d576a4d7d7a23f58b63a80a5deaf49
[INFO] running `"docker" "start" "-a" "d505a9a6baaa91a649a06edaa8a49aff43d576a4d7d7a23f58b63a80a5deaf49"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/problem-d454852a1ae9c621
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_result_option_errors_unknown ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skeptic-e116b6060b704a88
[INFO] [stdout] test tests::test_result_ok_or_problem ... ok
[INFO] [stdout] test tests::test_in_context_of ... ok
[INFO] [stdout] test tests::test_option ... ok
[INFO] [stdout] test tests::test_option_errors ... ok
[INFO] [stdout] test tests::test_integration ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_result_iter_or_failed_to ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test readme_sect_explicitly_line_51 ... test readme_sect_explicitly_line_51 has been running for over 60 seconds
[INFO] [stdout] test readme_sect_by_conversion_of_option_to_result_line_79 ... test readme_sect_by_conversion_of_option_to_result_line_79 has been running for over 60 seconds
[INFO] [stdout] test readme_sect_from_option_line_59 ... test readme_sect_from_option_line_59 has been running for over 60 seconds
[INFO] [stdout] test readme_sect_by_mapping_result_line_70 ... test readme_sect_by_mapping_result_line_70 has been running for over 60 seconds
[INFO] [stdout] test readme_sect_nested_context_line_116 ... test readme_sect_nested_context_line_116 has been running for over 60 seconds
[INFO] [stdout] test readme_sect_directly_line_33 ... test readme_sect_directly_line_33 has been running for over 60 seconds
[INFO] [stdout] test readme_sect_implicitly_line_40 ... test readme_sect_implicitly_line_40 has been running for over 60 seconds
[INFO] [stdout] test readme_sect_inline_line_91 ... test readme_sect_inline_line_91 has been running for over 60 seconds
[INFO] [stdout] test readme_sect_inline_line_91 ... ok
[INFO] [stdout] test readme_sect_explicitly_line_51 ... ok
[INFO] [stdout] test readme_sect_implicitly_line_40 ... ok
[INFO] [stdout] test readme_sect_by_conversion_of_option_to_result_line_79 ... ok
[INFO] [stdout] test readme_sect_by_mapping_result_line_70 ... ok
[INFO] [stdout] test readme_sect_directly_line_33 ... ok
[INFO] [stdout] test readme_sect_from_option_line_59 ... ok
[INFO] [stdout] test readme_sect_nested_context_line_116 ... ok
[INFO] [stderr] Failed to get something
[INFO] [stdout] test readme_sect_panicking_on_option_line_149 ... ok
[INFO] [stderr] Failed to convert string due to: invalid utf-8 sequence of 1 bytes from index 2
[INFO] [stdout] test readme_sect_panicking_on_result_with_problem_line_139 ... ok
[INFO] [stderr] Failed to collect numbers due to: oops
[INFO] [stdout] test readme_sect_panicking_on_iterators_of_result_line_160 ... ok
[INFO] [stdout] test readme_sect_wrapped_line_103 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests problem
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d505a9a6baaa91a649a06edaa8a49aff43d576a4d7d7a23f58b63a80a5deaf49"`
[INFO] running `"docker" "rm" "-f" "d505a9a6baaa91a649a06edaa8a49aff43d576a4d7d7a23f58b63a80a5deaf49"`
[INFO] [stdout] d505a9a6baaa91a649a06edaa8a49aff43d576a4d7d7a23f58b63a80a5deaf49