Nov 28 11:46:36.301 INFO checking OpenSTFoundation/rust-mosaic against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:46:36.301 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 11:46:36.881 INFO [stdout] 68911300810d64929397d19487ef9ed05353ad2460a79de10225fadbee73b480
Nov 28 11:46:36.883 INFO running `"docker" "start" "-a" "68911300810d64929397d19487ef9ed05353ad2460a79de10225fadbee73b480"`
Nov 28 11:46:38.723 INFO [stderr] usermod: no changes
Nov 28 11:46:39.208 INFO [stderr]    Compiling heapsize v0.4.2
Nov 28 11:46:39.208 INFO [stderr]    Compiling crunchy v0.1.6
Nov 28 11:46:39.212 INFO [stderr]     Checking rustc-hex v2.0.1
Nov 28 11:46:39.215 INFO [stderr]     Checking rustc-hex v1.0.0
Nov 28 11:46:39.228 INFO [stderr]     Checking base64 v0.5.2
Nov 28 11:46:39.257 INFO [stderr]     Checking tokio-timer v0.1.2
Nov 28 11:46:39.266 INFO [stderr]     Checking simple_logger v0.5.0
Nov 28 11:46:39.289 INFO [stderr]     Checking ethereum-types-serialize v0.2.1
Nov 28 11:46:43.366 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Nov 28 11:46:43.380 INFO [stderr]     Checking jsonrpc-core v8.0.1
Nov 28 11:46:44.765 INFO [stderr]     Checking tiny-keccak v1.4.2
Nov 28 11:46:46.113 INFO [stderr]     Checking fixed-hash v0.2.5
Nov 28 11:46:46.113 INFO [stderr]     Checking uint v0.4.1
Nov 28 11:46:46.585 INFO [stderr]     Checking crossbeam-deque v0.6.1
Nov 28 11:46:47.494 INFO [stderr]     Checking ethbloom v0.5.0
Nov 28 11:46:49.245 INFO [stderr]     Checking tokio-threadpool v0.1.8
Nov 28 11:46:51.445 INFO [stderr]     Checking ethereum-types v0.4.0
Nov 28 11:46:53.348 INFO [stderr]     Checking tokio-fs v0.1.4
Nov 28 11:46:56.139 INFO [stderr]     Checking tokio v0.1.11
Nov 28 11:46:58.081 INFO [stderr]     Checking ethabi v6.1.0
Nov 28 11:47:00.183 INFO [stderr]     Checking tokio-core v0.1.17
Nov 28 11:47:03.853 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 28 11:47:03.856 INFO [stderr]     Checking tokio-tls v0.1.4
Nov 28 11:47:03.860 INFO [stderr]     Checking tokio-uds v0.1.7
Nov 28 11:47:10.610 INFO [stderr]     Checking websocket v0.20.3
Nov 28 11:47:13.757 INFO [stderr]     Checking hyper v0.11.27
Nov 28 11:47:22.807 INFO [stderr]     Checking hyper-tls v0.1.4
Nov 28 11:47:26.155 INFO [stderr]     Checking web3 v0.4.0
Nov 28 11:47:36.378 INFO [stderr]     Checking mosaic v0.1.0 (/source)
Nov 28 11:47:46.660 INFO [stderr] warning: type alias is never used: `Signature`
Nov 28 11:47:46.662 INFO [stderr]   --> src/ethereum/types/mod.rs:24:1
Nov 28 11:47:46.662 INFO [stderr]    |
Nov 28 11:47:46.663 INFO [stderr] 24 | pub type Signature = H520;
Nov 28 11:47:46.664 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:47:46.664 INFO [stderr]    |
Nov 28 11:47:46.665 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:47:46.665 INFO [stderr] 
Nov 28 11:47:46.672 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:47:46.673 INFO [stderr]   --> src/ethereum/types/block.rs:37:9
Nov 28 11:47:46.673 INFO [stderr]    |
Nov 28 11:47:46.674 INFO [stderr] 37 |         write!(fmt, "Block ({:x})", self.hash);
Nov 28 11:47:46.675 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:47:46.675 INFO [stderr]    |
Nov 28 11:47:46.676 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:47:46.677 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:47:46.677 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)
Nov 28 11:47:46.678 INFO [stderr] 
Nov 28 11:47:46.832 INFO [stderr] warning: type alias is never used: `Signature`
Nov 28 11:47:46.833 INFO [stderr]   --> src/ethereum/types/mod.rs:24:1
Nov 28 11:47:46.834 INFO [stderr]    |
Nov 28 11:47:46.835 INFO [stderr] 24 | pub type Signature = H520;
Nov 28 11:47:46.835 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:47:46.836 INFO [stderr]    |
Nov 28 11:47:46.837 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:47:46.837 INFO [stderr] 
Nov 28 11:47:46.838 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:47:46.839 INFO [stderr]   --> src/ethereum/types/block.rs:37:9
Nov 28 11:47:46.839 INFO [stderr]    |
Nov 28 11:47:46.840 INFO [stderr] 37 |         write!(fmt, "Block ({:x})", self.hash);
Nov 28 11:47:46.841 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:47:46.842 INFO [stderr]    |
Nov 28 11:47:46.842 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:47:46.842 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:47:46.842 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)
Nov 28 11:47:46.842 INFO [stderr] 
Nov 28 11:47:57.381 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
Nov 28 11:47:57.405 INFO [stderr] su: No module specific data is present
Nov 28 11:47:58.623 INFO running `"docker" "inspect" "68911300810d64929397d19487ef9ed05353ad2460a79de10225fadbee73b480"`
Nov 28 11:47:58.870 INFO running `"docker" "rm" "-f" "68911300810d64929397d19487ef9ed05353ad2460a79de10225fadbee73b480"`
Nov 28 11:47:59.156 INFO [stdout] 68911300810d64929397d19487ef9ed05353ad2460a79de10225fadbee73b480