[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 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8bef9c42028dcee3a05ceb297d56f9fd0fc99a21302f61f6d6416be6e676c606
[INFO] running `"docker" "start" "-a" "8bef9c42028dcee3a05ceb297d56f9fd0fc99a21302f61f6d6416be6e676c606"`
[INFO] [stderr]    Compiling log-ql v0.1.0 (https://github.com/schultyy/log-ql?rev=e894c91a01049f03b0f3e38eb374b99290b68a19#e894c91a)
[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 5.62s
[INFO] running `"docker" "inspect" "8bef9c42028dcee3a05ceb297d56f9fd0fc99a21302f61f6d6416be6e676c606"`
[INFO] running `"docker" "rm" "-f" "8bef9c42028dcee3a05ceb297d56f9fd0fc99a21302f61f6d6416be6e676c606"`
[INFO] [stdout] 8bef9c42028dcee3a05ceb297d56f9fd0fc99a21302f61f6d6416be6e676c606
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 29d93785ffe40da7220e4a980aef7f92146d02f04481abc187979e1c17cf44f0
[INFO] running `"docker" "start" "-a" "29d93785ffe40da7220e4a980aef7f92146d02f04481abc187979e1c17cf44f0"`
[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 2.56s
[INFO] running `"docker" "inspect" "29d93785ffe40da7220e4a980aef7f92146d02f04481abc187979e1c17cf44f0"`
[INFO] running `"docker" "rm" "-f" "29d93785ffe40da7220e4a980aef7f92146d02f04481abc187979e1c17cf44f0"`
[INFO] [stdout] 29d93785ffe40da7220e4a980aef7f92146d02f04481abc187979e1c17cf44f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c4f8996b736a927ddc55aaf26ee266bab2e2a27a9b20c73dc89604a5d5996235
[INFO] running `"docker" "start" "-a" "c4f8996b736a927ddc55aaf26ee266bab2e2a27a9b20c73dc89604a5d5996235"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/diagnostic-7cf85f4845780d1a
[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_where_clause_returns_exactly_filtered_rows ... ok
[INFO] [stdout] test query_context::tests::query_with_limit_10_returns_exactly_the_first_10_lines ... 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" "c4f8996b736a927ddc55aaf26ee266bab2e2a27a9b20c73dc89604a5d5996235"`
[INFO] running `"docker" "rm" "-f" "c4f8996b736a927ddc55aaf26ee266bab2e2a27a9b20c73dc89604a5d5996235"`
[INFO] [stdout] c4f8996b736a927ddc55aaf26ee266bab2e2a27a9b20c73dc89604a5d5996235