[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-1.38-1/sources/1.37.0/gh/leighwaller/hydrogen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/leighwaller/hydrogen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leighwaller/hydrogen" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leighwaller/hydrogen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of leighwaller/hydrogen 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 leighwaller/hydrogen
[INFO] finished frobbing leighwaller/hydrogen
[INFO] frobbed toml for leighwaller/hydrogen written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 leighwaller/hydrogen 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-6/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a6b6995463804ea9460d72df6ffa60986113985af59454e8bd2eca49ada16ebc
[INFO] running `"docker" "start" "-a" "a6b6995463804ea9460d72df6ffa60986113985af59454e8bd2eca49ada16ebc"`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling serde v1.0.38
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling env_logger v0.5.7
[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 48.82s
[INFO] running `"docker" "inspect" "a6b6995463804ea9460d72df6ffa60986113985af59454e8bd2eca49ada16ebc"`
[INFO] running `"docker" "rm" "-f" "a6b6995463804ea9460d72df6ffa60986113985af59454e8bd2eca49ada16ebc"`
[INFO] [stdout] a6b6995463804ea9460d72df6ffa60986113985af59454e8bd2eca49ada16ebc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7011e00710109f115376c2f05e032d431c3ece5564d5091a7a2d46f081f47ef4
[INFO] running `"docker" "start" "-a" "7011e00710109f115376c2f05e032d431c3ece5564d5091a7a2d46f081f47ef4"`
[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 3.02s
[INFO] running `"docker" "inspect" "7011e00710109f115376c2f05e032d431c3ece5564d5091a7a2d46f081f47ef4"`
[INFO] running `"docker" "rm" "-f" "7011e00710109f115376c2f05e032d431c3ece5564d5091a7a2d46f081f47ef4"`
[INFO] [stdout] 7011e00710109f115376c2f05e032d431c3ece5564d5091a7a2d46f081f47ef4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] a26eeb12a4b2e0ce0f103c80c411b09f635abb259cbdc6f3cfd357a2d64464f8
[INFO] running `"docker" "start" "-a" "a26eeb12a4b2e0ce0f103c80c411b09f635abb259cbdc6f3cfd357a2d64464f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hydrogen-899d368ed432d083
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test model::tests::should_deserialize_simulation ... ok
[INFO] [stdout] test loader::tests::should_handle_invalid_content ... ok
[INFO] [stdout] test loader::tests::should_handle_invalid_config_path ... ok
[INFO] [stdout] test model::tests::should_deserialize_endpoint ... ok
[INFO] [stdout] test tests::should_run ... ok
[INFO] [stdout] test loader::tests::should_deserialize_simulation ... 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] [stderr] error: test failed, to rerun pass '--bin hydrogen'
[INFO] running `"docker" "inspect" "a26eeb12a4b2e0ce0f103c80c411b09f635abb259cbdc6f3cfd357a2d64464f8"`
[INFO] running `"docker" "rm" "-f" "a26eeb12a4b2e0ce0f103c80c411b09f635abb259cbdc6f3cfd357a2d64464f8"`
[INFO] [stdout] a26eeb12a4b2e0ce0f103c80c411b09f635abb259cbdc6f3cfd357a2d64464f8