[INFO] updating cached repository https://github.com/schultyy/diagnostic
[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] e28301ef5a98710f35adc4ebcde2e5ff445c933b
[INFO] testing schultyy/diagnostic against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschultyy%2Fdiagnostic" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schultyy/diagnostic 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/schultyy/diagnostic
[INFO] finished tweaking git repo https://github.com/schultyy/diagnostic
[INFO] tweaked toml for git repo https://github.com/schultyy/diagnostic written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/schultyy/diagnostic 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-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] a1bf20f3cba94f7168f4ba367e0b543bcebd09151fb680c6628dd79ffac38c37
[INFO] running `"docker" "start" "-a" "a1bf20f3cba94f7168f4ba367e0b543bcebd09151fb680c6628dd79ffac38c37"`
[INFO] [stderr]    Compiling log-ql v0.1.0 (https://github.com/schultyy/log-ql?rev=e894c91a01049f03b0f3e38eb374b99290b68a19#e894c91a)
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling diagnostic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/configuration.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     file.read_to_string(&mut serialized);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/log_file.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     file.read_to_string(&mut complete_file);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.87s
[INFO] running `"docker" "inspect" "a1bf20f3cba94f7168f4ba367e0b543bcebd09151fb680c6628dd79ffac38c37"`
[INFO] running `"docker" "rm" "-f" "a1bf20f3cba94f7168f4ba367e0b543bcebd09151fb680c6628dd79ffac38c37"`
[INFO] [stdout] a1bf20f3cba94f7168f4ba367e0b543bcebd09151fb680c6628dd79ffac38c37
[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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 20d1259391e0cf3d51897fd10045773b4f723c349b396148b1ed91508b6e3b5f
[INFO] running `"docker" "start" "-a" "20d1259391e0cf3d51897fd10045773b4f723c349b396148b1ed91508b6e3b5f"`
[INFO] [stderr]    Compiling diagnostic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/configuration.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     file.read_to_string(&mut serialized);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/log_file.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     file.read_to_string(&mut complete_file);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "20d1259391e0cf3d51897fd10045773b4f723c349b396148b1ed91508b6e3b5f"`
[INFO] running `"docker" "rm" "-f" "20d1259391e0cf3d51897fd10045773b4f723c349b396148b1ed91508b6e3b5f"`
[INFO] [stdout] 20d1259391e0cf3d51897fd10045773b4f723c349b396148b1ed91508b6e3b5f
[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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 656d4efae0a7d6ad4efdce13bf6704fe3a8c20c41260718942e0155798f24c17
[INFO] running `"docker" "start" "-a" "656d4efae0a7d6ad4efdce13bf6704fe3a8c20c41260718942e0155798f24c17"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diagnostic-b5b95f776d8b59b7
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test query_context::tests::query_with_limit_last_2_returns_exactly_the_last_2_lines ... ok
[INFO] [stdout] test query_context::tests::query_with_limit_10_returns_exactly_the_first_10_lines ... ok
[INFO] [stdout] test query_context::tests::query_with_where_clause_returns_exactly_filtered_rows ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "656d4efae0a7d6ad4efdce13bf6704fe3a8c20c41260718942e0155798f24c17"`
[INFO] running `"docker" "rm" "-f" "656d4efae0a7d6ad4efdce13bf6704fe3a8c20c41260718942e0155798f24c17"`
[INFO] [stdout] 656d4efae0a7d6ad4efdce13bf6704fe3a8c20c41260718942e0155798f24c17