[INFO] updating cached repository schultyy/diagnostic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/schultyy/diagnostic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/schultyy/diagnostic" "work/ex/beta-1.38-1/sources/1.37.0/gh/schultyy/diagnostic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/schultyy/diagnostic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/schultyy/diagnostic" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schultyy/diagnostic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schultyy/diagnostic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e28301ef5a98710f35adc4ebcde2e5ff445c933b
[INFO] sha for GitHub repo schultyy/diagnostic: e28301ef5a98710f35adc4ebcde2e5ff445c933b
[INFO] validating manifest of schultyy/diagnostic on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of schultyy/diagnostic on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing schultyy/diagnostic
[INFO] finished frobbing schultyy/diagnostic
[INFO] frobbed toml for schultyy/diagnostic written to work/ex/beta-1.38-1/sources/1.37.0/gh/schultyy/diagnostic/Cargo.toml
[INFO] started frobbing schultyy/diagnostic
[INFO] finished frobbing schultyy/diagnostic
[INFO] frobbed toml for schultyy/diagnostic written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schultyy/diagnostic/Cargo.toml
[INFO] crate schultyy/diagnostic already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing schultyy/diagnostic against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schultyy/diagnostic:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e31945ede0efda88c188bcafac48415a52f1ae749a782556529008b00a921565
[INFO] running `"docker" "start" "-a" "e31945ede0efda88c188bcafac48415a52f1ae749a782556529008b00a921565"`
[INFO] [stderr]    Compiling log-ql v0.1.0 (https://github.com/schultyy/log-ql?rev=e894c91a01049f03b0f3e38eb374b99290b68a19#e894c91a)
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling diagnostic v0.1.0 (/opt/crater/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 12.83s
[INFO] running `"docker" "inspect" "e31945ede0efda88c188bcafac48415a52f1ae749a782556529008b00a921565"`
[INFO] running `"docker" "rm" "-f" "e31945ede0efda88c188bcafac48415a52f1ae749a782556529008b00a921565"`
[INFO] [stdout] e31945ede0efda88c188bcafac48415a52f1ae749a782556529008b00a921565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schultyy/diagnostic:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7025ac9f9df099921afdceba9a136e7d0ceafecedc5b91a03fe40cc4e287438e
[INFO] running `"docker" "start" "-a" "7025ac9f9df099921afdceba9a136e7d0ceafecedc5b91a03fe40cc4e287438e"`
[INFO] [stderr]    Compiling diagnostic v0.1.0 (/opt/crater/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 3.44s
[INFO] running `"docker" "inspect" "7025ac9f9df099921afdceba9a136e7d0ceafecedc5b91a03fe40cc4e287438e"`
[INFO] running `"docker" "rm" "-f" "7025ac9f9df099921afdceba9a136e7d0ceafecedc5b91a03fe40cc4e287438e"`
[INFO] [stdout] 7025ac9f9df099921afdceba9a136e7d0ceafecedc5b91a03fe40cc4e287438e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schultyy/diagnostic:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e53a24e466c45b2c8caeed0212c4c20c708e6c44fdc5b91b356ad387f60a46bf
[INFO] running `"docker" "start" "-a" "e53a24e466c45b2c8caeed0212c4c20c708e6c44fdc5b91b356ad387f60a46bf"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/diagnostic-66dc4b29f0a28453
[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" "e53a24e466c45b2c8caeed0212c4c20c708e6c44fdc5b91b356ad387f60a46bf"`
[INFO] running `"docker" "rm" "-f" "e53a24e466c45b2c8caeed0212c4c20c708e6c44fdc5b91b356ad387f60a46bf"`
[INFO] [stdout] e53a24e466c45b2c8caeed0212c4c20c708e6c44fdc5b91b356ad387f60a46bf