[INFO] updating cached repository mskwarek/rustchain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mskwarek/rustchain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mskwarek/rustchain" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mskwarek/rustchain"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mskwarek/rustchain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mskwarek/rustchain" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mskwarek/rustchain"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mskwarek/rustchain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e61d8cf5eee396f10c47870bbf1ef733740ca69
[INFO] sha for GitHub repo mskwarek/rustchain: 1e61d8cf5eee396f10c47870bbf1ef733740ca69
[INFO] validating manifest of mskwarek/rustchain on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mskwarek/rustchain on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mskwarek/rustchain
[INFO] finished frobbing mskwarek/rustchain
[INFO] frobbed toml for mskwarek/rustchain written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mskwarek/rustchain/Cargo.toml
[INFO] started frobbing mskwarek/rustchain
[INFO] finished frobbing mskwarek/rustchain
[INFO] frobbed toml for mskwarek/rustchain written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mskwarek/rustchain/Cargo.toml
[INFO] crate mskwarek/rustchain has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mskwarek/rustchain against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mskwarek/rustchain:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] fd97799bcaec19900f4433a5ce45856af099f8e19732ada14fb69f652c6567e0
[INFO] running `"docker" "start" "-a" "fd97799bcaec19900f4433a5ce45856af099f8e19732ada14fb69f652c6567e0"`
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling uuid v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling tokio-timer v0.2.6
[INFO] [stderr]    Compiling tokio-current-thread v0.1.1
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling pretty_env_logger v0.2.4
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling hyper v0.12.10
[INFO] [stderr]    Compiling rustchain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/main.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |         Err(error) => {
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.49s
[INFO] running `"docker" "inspect" "fd97799bcaec19900f4433a5ce45856af099f8e19732ada14fb69f652c6567e0"`
[INFO] running `"docker" "rm" "-f" "fd97799bcaec19900f4433a5ce45856af099f8e19732ada14fb69f652c6567e0"`
[INFO] [stdout] fd97799bcaec19900f4433a5ce45856af099f8e19732ada14fb69f652c6567e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mskwarek/rustchain:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] d4d056f76948f16732abb7aec638be3d173b1f2a4086c841af9b850d0c5d70c1
[INFO] running `"docker" "start" "-a" "d4d056f76948f16732abb7aec638be3d173b1f2a4086c841af9b850d0c5d70c1"`
[INFO] [stderr]    Compiling rustchain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/main.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |         Err(error) => {
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `"docker" "inspect" "d4d056f76948f16732abb7aec638be3d173b1f2a4086c841af9b850d0c5d70c1"`
[INFO] running `"docker" "rm" "-f" "d4d056f76948f16732abb7aec638be3d173b1f2a4086c841af9b850d0c5d70c1"`
[INFO] [stdout] d4d056f76948f16732abb7aec638be3d173b1f2a4086c841af9b850d0c5d70c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mskwarek/rustchain:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] f018e235aa3444481045e31cbfc8e8f69ae40d0c9fa477e3bbc6cbdd59a0b50f
[INFO] running `"docker" "start" "-a" "f018e235aa3444481045e31cbfc8e8f69ae40d0c9fa477e3bbc6cbdd59a0b50f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustchain-f79ffca8997bbea7
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::get_transaction_success_test ... ok
[INFO] [stdout] test tests::get_transaction_is_failed_when_json_is_not_well_formed_test ... ok
[INFO] [stdout] test tests::last_index_is_not_incremented ... ok
[INFO] [stdout] test tests::new_transaction_is_added ... ok
[INFO] [stdout] test tests::typed_example_failure_cause_json_is_not_well_formed_test ... ok
[INFO] [stdout] test tests::one_application_header_is_added_when_making_error_response_test ... ok
[INFO] [stdout] test tests::test_to_hex ... ok
[INFO] [stdout] test tests::return_json_msg_without_error_when_can_serialize_data_test ... ok
[INFO] [stdout] test tests::test_calculate_hash ... ok
[INFO] [stdout] test tests::typed_example_success_test ... ok
[INFO] [stdout] test tests::node_is_registered_test ... ok
[INFO] [stdout] test tests::last_index_is_incremented_when_block_is_mined ... ok
[INFO] [stdout] test tests::test_proof_of_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f018e235aa3444481045e31cbfc8e8f69ae40d0c9fa477e3bbc6cbdd59a0b50f"`
[INFO] running `"docker" "rm" "-f" "f018e235aa3444481045e31cbfc8e8f69ae40d0c9fa477e3bbc6cbdd59a0b50f"`
[INFO] [stdout] f018e235aa3444481045e31cbfc8e8f69ae40d0c9fa477e3bbc6cbdd59a0b50f