Dec 17 17:32:39.601 INFO checking psiofxt/rust-blockchain against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:32:39.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/psiofxt/rust-blockchain:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:32:40.074 INFO [stdout] 714c8b6358c899fbcca2cb1a26e902648d255dcdb865f2684eb56adeb57bf117
Dec 17 17:32:40.076 INFO running `"docker" "start" "-a" "714c8b6358c899fbcca2cb1a26e902648d255dcdb865f2684eb56adeb57bf117"`
Dec 17 17:32:42.046 INFO [stderr]    Compiling proc-macro2 v0.4.16
Dec 17 17:32:42.093 INFO [stderr]     Checking tokio-service v0.1.0
Dec 17 17:32:42.102 INFO [stderr]     Checking relay v0.1.1
Dec 17 17:32:42.105 INFO [stderr]    Compiling unicase v2.2.0
Dec 17 17:32:42.109 INFO [stderr]     Checking proc-macro2 v0.2.3
Dec 17 17:32:42.120 INFO [stderr]     Checking want v0.0.4
Dec 17 17:32:42.120 INFO [stderr]     Checking mio v0.6.15
Dec 17 17:32:42.120 INFO [stderr]     Checking tokio-io v0.1.8
Dec 17 17:32:43.188 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 17 17:32:43.188 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 17 17:32:43.520 INFO [stderr]     Checking block-buffer v0.7.0
Dec 17 17:32:44.872 INFO [stderr]     Checking regex v1.0.5
Dec 17 17:32:45.308 INFO [stderr]     Checking sha2 v0.8.0
Dec 17 17:32:46.594 INFO [stderr]     Checking quote v0.4.2
Dec 17 17:32:48.500 INFO [stderr]     Checking syn v0.12.15
Dec 17 17:32:48.868 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 17 17:32:48.924 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 17 17:32:50.724 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 17 17:32:50.744 INFO [stderr]     Checking mio-uds v0.6.6
Dec 17 17:32:52.950 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 17 17:32:52.950 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 17 17:32:52.950 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 17 17:32:53.080 INFO [stderr]     Checking mime v0.3.9
Dec 17 17:32:55.816 INFO [stderr]     Checking tokio v0.1.8
Dec 17 17:32:56.080 INFO [stderr]    Compiling quote v0.6.8
Dec 17 17:32:57.308 INFO [stderr]     Checking tokio-core v0.1.17
Dec 17 17:32:57.876 INFO [stderr]     Checking env_logger v0.5.13
Dec 17 17:32:58.668 INFO [stderr]    Compiling syn v0.14.9
Dec 17 17:33:02.304 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 17 17:33:07.902 INFO [stderr]     Checking hyper v0.11.27
Dec 17 17:33:16.802 INFO [stderr]    Compiling serde_derive v1.0.76
Dec 17 17:33:34.765 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 17 17:33:36.360 INFO [stderr] warning: struct is never constructed: `Node`
Dec 17 17:33:36.360 INFO [stderr]   --> src/blockchain.rs:26:1
Dec 17 17:33:36.360 INFO [stderr]    |
Dec 17 17:33:36.360 INFO [stderr] 26 | struct Node {
Dec 17 17:33:36.360 INFO [stderr]    | ^^^^^^^^^^^
Dec 17 17:33:36.360 INFO [stderr]    |
Dec 17 17:33:36.360 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:33:36.360 INFO [stderr] 
Dec 17 17:33:36.360 INFO [stderr] warning: function is never used: `make_error_response`
Dec 17 17:33:36.360 INFO [stderr]   --> src/main.rs:36:1
Dec 17 17:33:36.360 INFO [stderr]    |
Dec 17 17:33:36.360 INFO [stderr] 36 | fn make_error_response(error_message: &str) -> FutureResult<hyper::Response, hyper::Error> {
Dec 17 17:33:36.360 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:33:36.360 INFO [stderr] 
Dec 17 17:33:36.649 INFO [stderr] warning: struct is never constructed: `Node`
Dec 17 17:33:36.649 INFO [stderr]   --> src/blockchain.rs:26:1
Dec 17 17:33:36.649 INFO [stderr]    |
Dec 17 17:33:36.649 INFO [stderr] 26 | struct Node {
Dec 17 17:33:36.649 INFO [stderr]    | ^^^^^^^^^^^
Dec 17 17:33:36.649 INFO [stderr]    |
Dec 17 17:33:36.649 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:33:36.649 INFO [stderr] 
Dec 17 17:33:36.649 INFO [stderr] warning: function is never used: `make_error_response`
Dec 17 17:33:36.649 INFO [stderr]   --> src/main.rs:36:1
Dec 17 17:33:36.649 INFO [stderr]    |
Dec 17 17:33:36.649 INFO [stderr] 36 | fn make_error_response(error_message: &str) -> FutureResult<hyper::Response, hyper::Error> {
Dec 17 17:33:36.649 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:33:36.649 INFO [stderr] 
Dec 17 17:33:36.697 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.93s
Dec 17 17:33:38.162 INFO running `"docker" "inspect" "714c8b6358c899fbcca2cb1a26e902648d255dcdb865f2684eb56adeb57bf117"`
Dec 17 17:33:38.592 INFO running `"docker" "rm" "-f" "714c8b6358c899fbcca2cb1a26e902648d255dcdb865f2684eb56adeb57bf117"`
Dec 17 17:33:38.943 INFO [stdout] 714c8b6358c899fbcca2cb1a26e902648d255dcdb865f2684eb56adeb57bf117