Dec 12 01:02:01.744 INFO checking OpenSTFoundation/rust-mosaic against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 01:02:01.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 01:02:02.308 INFO [stdout] d7d014c76216086b30b1496226ec7c1501baa1b2d5c282fbfc6b8567a0c73271
Dec 12 01:02:02.311 INFO running `"docker" "start" "-a" "d7d014c76216086b30b1496226ec7c1501baa1b2d5c282fbfc6b8567a0c73271"`
Dec 12 01:02:03.852 INFO [stderr] usermod: no changes
Dec 12 01:02:04.348 INFO [stderr]     Checking rustc-hex v2.0.1
Dec 12 01:02:04.356 INFO [stderr]     Checking simple_logger v0.5.0
Dec 12 01:02:04.380 INFO [stderr]     Checking ethereum-types-serialize v0.2.1
Dec 12 01:02:04.381 INFO [stderr]     Checking jsonrpc-core v8.0.1
Dec 12 01:02:04.424 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 12 01:02:04.424 INFO [stderr]     Checking tokio-uds v0.1.7
Dec 12 01:02:04.424 INFO [stderr]     Checking websocket v0.20.4
Dec 12 01:02:07.456 INFO [stderr]     Checking fixed-hash v0.2.5
Dec 12 01:02:07.456 INFO [stderr]     Checking uint v0.4.1
Dec 12 01:02:09.745 INFO [stderr]     Checking ethbloom v0.5.0
Dec 12 01:02:16.067 INFO [stderr]     Checking ethereum-types v0.4.0
Dec 12 01:02:22.005 INFO [stderr]     Checking hyper v0.11.27
Dec 12 01:02:24.942 INFO [stderr]     Checking ethabi v6.1.0
Dec 12 01:02:24.944 INFO [stderr]     Checking rlp v0.3.0
Dec 12 01:02:33.603 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 12 01:02:37.138 INFO [stderr]     Checking web3 v0.4.0
Dec 12 01:02:47.641 INFO [stderr]     Checking mosaic v0.1.0 (/source)
Dec 12 01:02:58.791 INFO [stderr] warning: type alias is never used: `Signature`
Dec 12 01:02:58.791 INFO [stderr]   --> src/ethereum/types/mod.rs:24:1
Dec 12 01:02:58.791 INFO [stderr]    |
Dec 12 01:02:58.792 INFO [stderr] 24 | pub type Signature = H520;
Dec 12 01:02:58.792 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:02:58.792 INFO [stderr]    |
Dec 12 01:02:58.792 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:02:58.792 INFO [stderr] 
Dec 12 01:02:58.793 INFO [stderr] warning: method is never used: `get_accounts`
Dec 12 01:02:58.793 INFO [stderr]    --> src/ethereum/mod.rs:165:5
Dec 12 01:02:58.793 INFO [stderr]     |
Dec 12 01:02:58.793 INFO [stderr] 165 |     pub fn get_accounts(&self) -> impl Future<Item = Vec<Address>, Error = Error> {
Dec 12 01:02:58.794 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:02:58.794 INFO [stderr] 
Dec 12 01:02:58.794 INFO [stderr] warning: method is never used: `sign`
Dec 12 01:02:58.794 INFO [stderr]    --> src/ethereum/mod.rs:184:5
Dec 12 01:02:58.795 INFO [stderr]     |
Dec 12 01:02:58.795 INFO [stderr] 184 |     pub fn sign(&self, data: Bytes) -> impl Future<Item = Signature, Error = Error> {
Dec 12 01:02:58.795 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:02:58.795 INFO [stderr] 
Dec 12 01:02:58.796 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:02:58.796 INFO [stderr]   --> src/ethereum/types/block.rs:48:9
Dec 12 01:02:58.796 INFO [stderr]    |
Dec 12 01:02:58.796 INFO [stderr] 48 |         write!(fmt, "Block ({:x})", self.hash);
Dec 12 01:02:58.797 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:02:58.797 INFO [stderr]    |
Dec 12 01:02:58.797 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 01:02:58.798 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:02:58.798 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 01:02:58.798 INFO [stderr] 
Dec 12 01:02:58.868 INFO [stderr] warning: type alias is never used: `Signature`
Dec 12 01:02:58.869 INFO [stderr]   --> src/ethereum/types/mod.rs:24:1
Dec 12 01:02:58.869 INFO [stderr]    |
Dec 12 01:02:58.869 INFO [stderr] 24 | pub type Signature = H520;
Dec 12 01:02:58.869 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:02:58.870 INFO [stderr]    |
Dec 12 01:02:58.870 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:02:58.870 INFO [stderr] 
Dec 12 01:02:58.871 INFO [stderr] warning: method is never used: `get_accounts`
Dec 12 01:02:58.871 INFO [stderr]    --> src/ethereum/mod.rs:165:5
Dec 12 01:02:58.872 INFO [stderr]     |
Dec 12 01:02:58.872 INFO [stderr] 165 |     pub fn get_accounts(&self) -> impl Future<Item = Vec<Address>, Error = Error> {
Dec 12 01:02:58.872 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:02:58.872 INFO [stderr] 
Dec 12 01:02:58.873 INFO [stderr] warning: method is never used: `sign`
Dec 12 01:02:58.873 INFO [stderr]    --> src/ethereum/mod.rs:184:5
Dec 12 01:02:58.873 INFO [stderr]     |
Dec 12 01:02:58.873 INFO [stderr] 184 |     pub fn sign(&self, data: Bytes) -> impl Future<Item = Signature, Error = Error> {
Dec 12 01:02:58.873 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:02:58.873 INFO [stderr] 
Dec 12 01:02:58.877 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:02:58.877 INFO [stderr]   --> src/ethereum/types/block.rs:48:9
Dec 12 01:02:58.877 INFO [stderr]    |
Dec 12 01:02:58.877 INFO [stderr] 48 |         write!(fmt, "Block ({:x})", self.hash);
Dec 12 01:02:58.877 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:02:58.877 INFO [stderr]    |
Dec 12 01:02:58.877 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 01:02:58.877 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:02:58.877 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 01:02:58.877 INFO [stderr] 
Dec 12 01:03:10.111 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
Dec 12 01:03:10.152 INFO [stderr] su: No module specific data is present
Dec 12 01:03:11.813 INFO running `"docker" "inspect" "d7d014c76216086b30b1496226ec7c1501baa1b2d5c282fbfc6b8567a0c73271"`
Dec 12 01:03:12.166 INFO running `"docker" "rm" "-f" "d7d014c76216086b30b1496226ec7c1501baa1b2d5c282fbfc6b8567a0c73271"`
Dec 12 01:03:12.516 INFO [stdout] d7d014c76216086b30b1496226ec7c1501baa1b2d5c282fbfc6b8567a0c73271