[INFO] updating cached repository leighwaller/hydrogen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/leighwaller/hydrogen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/leighwaller/hydrogen" "work/ex/beta-1.37-6/sources/1.36.0/gh/leighwaller/hydrogen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/leighwaller/hydrogen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leighwaller/hydrogen" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leighwaller/hydrogen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leighwaller/hydrogen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0faa039aee97efe495d16846530388a5df1fcf0f
[INFO] sha for GitHub repo leighwaller/hydrogen: 0faa039aee97efe495d16846530388a5df1fcf0f
[INFO] validating manifest of leighwaller/hydrogen on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of leighwaller/hydrogen on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing leighwaller/hydrogen
[INFO] finished frobbing leighwaller/hydrogen
[INFO] frobbed toml for leighwaller/hydrogen written to work/ex/beta-1.37-6/sources/1.36.0/gh/leighwaller/hydrogen/Cargo.toml
[INFO] started frobbing leighwaller/hydrogen
[INFO] finished frobbing leighwaller/hydrogen
[INFO] frobbed toml for leighwaller/hydrogen written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leighwaller/hydrogen/Cargo.toml
[INFO] crate leighwaller/hydrogen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing leighwaller/hydrogen against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/leighwaller/hydrogen:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5794412683c0398026fc2574169c54b9e4114745d9a7bf9dce7a1fbbe5da9cb9
[INFO] running `"docker" "start" "-a" "5794412683c0398026fc2574169c54b9e4114745d9a7bf9dce7a1fbbe5da9cb9"`
[INFO] [stderr]    Compiling serde v1.0.38
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling env_logger v0.5.7
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling uuid v0.6.2
[INFO] [stderr]    Compiling hydrogen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let config = load_config(path);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.91s
[INFO] running `"docker" "inspect" "5794412683c0398026fc2574169c54b9e4114745d9a7bf9dce7a1fbbe5da9cb9"`
[INFO] running `"docker" "rm" "-f" "5794412683c0398026fc2574169c54b9e4114745d9a7bf9dce7a1fbbe5da9cb9"`
[INFO] [stdout] 5794412683c0398026fc2574169c54b9e4114745d9a7bf9dce7a1fbbe5da9cb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/leighwaller/hydrogen:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a1217dcb0337b383131b3c9c0e06a7a1b84fe9c563cebd06c44dab029eef932d
[INFO] running `"docker" "start" "-a" "a1217dcb0337b383131b3c9c0e06a7a1b84fe9c563cebd06c44dab029eef932d"`
[INFO] [stderr]    Compiling hydrogen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let config = load_config(path);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         Command::new("hydrogen").arg("config/sample_simulation.toml").output();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `"docker" "inspect" "a1217dcb0337b383131b3c9c0e06a7a1b84fe9c563cebd06c44dab029eef932d"`
[INFO] running `"docker" "rm" "-f" "a1217dcb0337b383131b3c9c0e06a7a1b84fe9c563cebd06c44dab029eef932d"`
[INFO] [stdout] a1217dcb0337b383131b3c9c0e06a7a1b84fe9c563cebd06c44dab029eef932d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/leighwaller/hydrogen:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f9faea311cb847af759206e3a7d40521a4faf48fa2adc4d0b76fac4aaf9ebd6e
[INFO] running `"docker" "start" "-a" "f9faea311cb847af759206e3a7d40521a4faf48fa2adc4d0b76fac4aaf9ebd6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hydrogen-891d684b6db5ff1d
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test loader::tests::should_handle_invalid_config_path ... ok
[INFO] [stdout] test loader::tests::should_deserialize_simulation ... ok
[INFO] [stdout] test loader::tests::should_handle_invalid_content ... ok
[INFO] [stdout] test model::tests::should_deserialize_simulation ... ok
[INFO] [stderr] error: test failed, to rerun pass '--bin hydrogen'
[INFO] [stdout] test model::tests::should_deserialize_endpoint ... ok
[INFO] [stdout] test tests::should_run ... ok
[INFO] [stdout] test tests::should_fail_invalid_config ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::should_fail_invalid_config
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f9faea311cb847af759206e3a7d40521a4faf48fa2adc4d0b76fac4aaf9ebd6e"`
[INFO] running `"docker" "rm" "-f" "f9faea311cb847af759206e3a7d40521a4faf48fa2adc4d0b76fac4aaf9ebd6e"`
[INFO] [stdout] f9faea311cb847af759206e3a7d40521a4faf48fa2adc4d0b76fac4aaf9ebd6e