Dec 05 00:47:11.241 INFO checking OpenSTFoundation/rust-mosaic against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:47:11.241 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 00:47:11.765 INFO [stdout] 930bb0f28390cfaba916782540412797872df3915c19977d1cbe805859be7a69
Dec 05 00:47:11.767 INFO running `"docker" "start" "-a" "930bb0f28390cfaba916782540412797872df3915c19977d1cbe805859be7a69"`
Dec 05 00:47:14.058 INFO [stderr] usermod: no changes
Dec 05 00:47:14.530 INFO [stderr]     Checking rustc-hex v2.0.1
Dec 05 00:47:14.563 INFO [stderr]     Checking rpassword v2.0.0
Dec 05 00:47:14.611 INFO [stderr]     Checking tokio-timer v0.1.2
Dec 05 00:47:14.627 INFO [stderr]     Checking simple_logger v0.5.0
Dec 05 00:47:14.629 INFO [stderr]     Checking ethereum-types-serialize v0.2.1
Dec 05 00:47:14.635 INFO [stderr]     Checking tokio-threadpool v0.1.8
Dec 05 00:47:14.651 INFO [stderr]     Checking jsonrpc-core v8.0.1
Dec 05 00:47:17.607 INFO [stderr]     Checking fixed-hash v0.2.5
Dec 05 00:47:17.607 INFO [stderr]     Checking uint v0.4.1
Dec 05 00:47:19.372 INFO [stderr]     Checking ethbloom v0.5.0
Dec 05 00:47:22.645 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 05 00:47:23.180 INFO [stderr]     Checking ethereum-types v0.4.0
Dec 05 00:47:25.265 INFO [stderr]     Checking tokio v0.1.11
Dec 05 00:47:29.119 INFO [stderr]     Checking ethabi v6.1.0
Dec 05 00:47:29.119 INFO [stderr]     Checking rlp v0.3.0
Dec 05 00:47:29.208 INFO [stderr]     Checking tokio-core v0.1.17
Dec 05 00:47:34.949 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 05 00:47:34.961 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 05 00:47:34.976 INFO [stderr]     Checking tokio-uds v0.1.7
Dec 05 00:47:41.660 INFO [stderr]     Checking websocket v0.20.4
Dec 05 00:47:44.497 INFO [stderr]     Checking hyper v0.11.27
Dec 05 00:47:53.634 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 05 00:47:57.183 INFO [stderr]     Checking web3 v0.4.0
Dec 05 00:48:07.361 INFO [stderr]     Checking mosaic v0.1.0 (/source)
Dec 05 00:48:17.690 INFO [stderr] warning: type alias is never used: `Signature`
Dec 05 00:48:17.690 INFO [stderr]   --> src/ethereum/types/mod.rs:24:1
Dec 05 00:48:17.690 INFO [stderr]    |
Dec 05 00:48:17.690 INFO [stderr] 24 | pub type Signature = H520;
Dec 05 00:48:17.690 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:48:17.691 INFO [stderr]    |
Dec 05 00:48:17.691 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:48:17.691 INFO [stderr] 
Dec 05 00:48:17.691 INFO [stderr] warning: method is never used: `get_accounts`
Dec 05 00:48:17.691 INFO [stderr]    --> src/ethereum/mod.rs:165:5
Dec 05 00:48:17.691 INFO [stderr]     |
Dec 05 00:48:17.691 INFO [stderr] 165 |     pub fn get_accounts(&self) -> impl Future<Item = Vec<Address>, Error = Error> {
Dec 05 00:48:17.691 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:48:17.691 INFO [stderr] 
Dec 05 00:48:17.691 INFO [stderr] warning: method is never used: `sign`
Dec 05 00:48:17.691 INFO [stderr]    --> src/ethereum/mod.rs:184:5
Dec 05 00:48:17.691 INFO [stderr]     |
Dec 05 00:48:17.691 INFO [stderr] 184 |     pub fn sign(&self, data: Bytes) -> impl Future<Item = Signature, Error = Error> {
Dec 05 00:48:17.691 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:48:17.691 INFO [stderr] 
Dec 05 00:48:17.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:48:17.691 INFO [stderr]   --> src/ethereum/types/block.rs:48:9
Dec 05 00:48:17.691 INFO [stderr]    |
Dec 05 00:48:17.691 INFO [stderr] 48 |         write!(fmt, "Block ({:x})", self.hash);
Dec 05 00:48:17.691 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:48:17.691 INFO [stderr]    |
Dec 05 00:48:17.691 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:48:17.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:48:17.691 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 05 00:48:17.691 INFO [stderr] 
Dec 05 00:48:17.855 INFO [stderr] warning: type alias is never used: `Signature`
Dec 05 00:48:17.855 INFO [stderr]   --> src/ethereum/types/mod.rs:24:1
Dec 05 00:48:17.855 INFO [stderr]    |
Dec 05 00:48:17.855 INFO [stderr] 24 | pub type Signature = H520;
Dec 05 00:48:17.855 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:48:17.855 INFO [stderr]    |
Dec 05 00:48:17.855 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:48:17.855 INFO [stderr] 
Dec 05 00:48:17.855 INFO [stderr] warning: method is never used: `get_accounts`
Dec 05 00:48:17.855 INFO [stderr]    --> src/ethereum/mod.rs:165:5
Dec 05 00:48:17.855 INFO [stderr]     |
Dec 05 00:48:17.855 INFO [stderr] 165 |     pub fn get_accounts(&self) -> impl Future<Item = Vec<Address>, Error = Error> {
Dec 05 00:48:17.855 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:48:17.855 INFO [stderr] 
Dec 05 00:48:17.855 INFO [stderr] warning: method is never used: `sign`
Dec 05 00:48:17.855 INFO [stderr]    --> src/ethereum/mod.rs:184:5
Dec 05 00:48:17.855 INFO [stderr]     |
Dec 05 00:48:17.855 INFO [stderr] 184 |     pub fn sign(&self, data: Bytes) -> impl Future<Item = Signature, Error = Error> {
Dec 05 00:48:17.855 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:48:17.855 INFO [stderr] 
Dec 05 00:48:17.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:48:17.863 INFO [stderr]   --> src/ethereum/types/block.rs:48:9
Dec 05 00:48:17.863 INFO [stderr]    |
Dec 05 00:48:17.863 INFO [stderr] 48 |         write!(fmt, "Block ({:x})", self.hash);
Dec 05 00:48:17.863 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:48:17.863 INFO [stderr]    |
Dec 05 00:48:17.863 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:48:17.863 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:48:17.863 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 05 00:48:17.863 INFO [stderr] 
Dec 05 00:48:27.311 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
Dec 05 00:48:27.326 INFO [stderr] su: No module specific data is present
Dec 05 00:48:28.583 INFO running `"docker" "inspect" "930bb0f28390cfaba916782540412797872df3915c19977d1cbe805859be7a69"`
Dec 05 00:48:28.803 INFO running `"docker" "rm" "-f" "930bb0f28390cfaba916782540412797872df3915c19977d1cbe805859be7a69"`
Dec 05 00:48:29.183 INFO [stdout] 930bb0f28390cfaba916782540412797872df3915c19977d1cbe805859be7a69