[INFO] updating cached repository https://github.com/andoco/rust-json-log-viewer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14ab4ebc509549610f1dd5f467f9fdb4aae288d3
[INFO] testing andoco/rust-json-log-viewer against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandoco%2Frust-json-log-viewer" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andoco/rust-json-log-viewer on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/andoco/rust-json-log-viewer
[INFO] finished tweaking git repo https://github.com/andoco/rust-json-log-viewer
[INFO] tweaked toml for git repo https://github.com/andoco/rust-json-log-viewer written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/andoco/rust-json-log-viewer already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 3ef23f80b0d6c9213368cd511c1f6f6154e6fa42295913bba4afce963cb8d5f4
[INFO] running `"docker" "start" "-a" "3ef23f80b0d6c9213368cd511c1f6f6154e6fa42295913bba4afce963cb8d5f4"`
[INFO] [stderr]    Compiling rust-json-log-viewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "3ef23f80b0d6c9213368cd511c1f6f6154e6fa42295913bba4afce963cb8d5f4"`
[INFO] running `"docker" "rm" "-f" "3ef23f80b0d6c9213368cd511c1f6f6154e6fa42295913bba4afce963cb8d5f4"`
[INFO] [stdout] 3ef23f80b0d6c9213368cd511c1f6f6154e6fa42295913bba4afce963cb8d5f4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0bda40e714811cf221fe64da1d2fb7be82fc59eca0bdce00b7b5054368757e67
[INFO] running `"docker" "start" "-a" "0bda40e714811cf221fe64da1d2fb7be82fc59eca0bdce00b7b5054368757e67"`
[INFO] [stderr]    Compiling rust-json-log-viewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "0bda40e714811cf221fe64da1d2fb7be82fc59eca0bdce00b7b5054368757e67"`
[INFO] running `"docker" "rm" "-f" "0bda40e714811cf221fe64da1d2fb7be82fc59eca0bdce00b7b5054368757e67"`
[INFO] [stdout] 0bda40e714811cf221fe64da1d2fb7be82fc59eca0bdce00b7b5054368757e67
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 3105cadd04dae8107149e6016f3aea8cf9b553cfdd173c8373821ea1ffc78a99
[INFO] running `"docker" "start" "-a" "3105cadd04dae8107149e6016f3aea8cf9b553cfdd173c8373821ea1ffc78a99"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_json_log_viewer-40d0b88646a32166
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_format_log_line_with_missing_level_returns_error ... ok
[INFO] [stdout] test tests::test_format_log_line_with_missing_message_returns_error ... ok
[INFO] [stdout] test tests::test_format_log_line ... ok
[INFO] [stdout] test tests::test_format_log_line_with_missing_timestamp_returns_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3105cadd04dae8107149e6016f3aea8cf9b553cfdd173c8373821ea1ffc78a99"`
[INFO] running `"docker" "rm" "-f" "3105cadd04dae8107149e6016f3aea8cf9b553cfdd173c8373821ea1ffc78a99"`
[INFO] [stdout] 3105cadd04dae8107149e6016f3aea8cf9b553cfdd173c8373821ea1ffc78a99