Dec 19 10:40:23.699 INFO checking psiofxt/rust-blockchain against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:40:23.699 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:40:24.284 INFO [stdout] 22999097f8765b3e1dc86e352de0ee12f87aee8363eda255ffaff6536d8d0afc
Dec 19 10:40:24.287 INFO running `"docker" "start" "-a" "22999097f8765b3e1dc86e352de0ee12f87aee8363eda255ffaff6536d8d0afc"`
Dec 19 10:40:26.895 INFO [stderr]    Compiling proc-macro2 v0.4.16
Dec 19 10:40:26.901 INFO [stderr]    Compiling serde v1.0.76
Dec 19 10:40:26.962 INFO [stderr]    Compiling unicase v2.2.0
Dec 19 10:40:26.970 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 19 10:40:26.971 INFO [stderr]     Checking proc-macro2 v0.2.3
Dec 19 10:40:26.975 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 19 10:40:26.977 INFO [stderr]     Checking mio v0.6.15
Dec 19 10:40:26.979 INFO [stderr]     Checking want v0.0.4
Dec 19 10:40:29.731 INFO [stderr]     Checking parking_lot_core v0.3.0
Dec 19 10:40:29.736 INFO [stderr]     Checking tokio-io v0.1.8
Dec 19 10:40:29.851 INFO [stderr]     Checking quote v0.4.2
Dec 19 10:40:30.492 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 19 10:40:30.666 INFO [stderr]     Checking block-buffer v0.7.0
Dec 19 10:40:30.960 INFO [stderr]     Checking regex v1.0.5
Dec 19 10:40:31.780 INFO [stderr]     Checking syn v0.12.15
Dec 19 10:40:33.076 INFO [stderr]     Checking sha2 v0.8.0
Dec 19 10:40:34.420 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 19 10:40:35.320 INFO [stderr]     Checking parking_lot v0.6.4
Dec 19 10:40:36.100 INFO [stderr]     Checking mio-uds v0.6.6
Dec 19 10:40:39.328 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 19 10:40:39.500 INFO [stderr]     Checking mime v0.3.9
Dec 19 10:40:39.628 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 19 10:40:41.236 INFO [stderr]    Compiling quote v0.6.8
Dec 19 10:40:41.821 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 19 10:40:42.453 INFO [stderr]     Checking env_logger v0.5.13
Dec 19 10:40:44.802 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 19 10:40:44.804 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 19 10:40:44.896 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 19 10:40:45.032 INFO [stderr]    Compiling syn v0.14.9
Dec 19 10:40:48.004 INFO [stderr]     Checking tokio v0.1.8
Dec 19 10:40:50.270 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 10:40:54.362 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 10:41:04.589 INFO [stderr]     Checking hyper v0.11.27
Dec 19 10:41:05.844 INFO [stderr]    Compiling serde_derive v1.0.76
Dec 19 10:41:09.750 INFO [stderr]     Checking serde_json v1.0.26
Dec 19 10:41:28.498 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 19 10:41:30.256 INFO [stderr] warning: struct is never constructed: `Node`
Dec 19 10:41:30.256 INFO [stderr]   --> src/blockchain.rs:26:1
Dec 19 10:41:30.256 INFO [stderr]    |
Dec 19 10:41:30.256 INFO [stderr] 26 | struct Node {
Dec 19 10:41:30.256 INFO [stderr]    | ^^^^^^^^^^^
Dec 19 10:41:30.257 INFO [stderr]    |
Dec 19 10:41:30.257 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 10:41:30.257 INFO [stderr] 
Dec 19 10:41:30.257 INFO [stderr] warning: function is never used: `make_error_response`
Dec 19 10:41:30.258 INFO [stderr]   --> src/main.rs:36:1
Dec 19 10:41:30.258 INFO [stderr]    |
Dec 19 10:41:30.258 INFO [stderr] 36 | fn make_error_response(error_message: &str) -> FutureResult<hyper::Response, hyper::Error> {
Dec 19 10:41:30.258 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:41:30.258 INFO [stderr] 
Dec 19 10:41:30.401 INFO [stderr] warning: struct is never constructed: `Node`
Dec 19 10:41:30.402 INFO [stderr]   --> src/blockchain.rs:26:1
Dec 19 10:41:30.402 INFO [stderr]    |
Dec 19 10:41:30.402 INFO [stderr] 26 | struct Node {
Dec 19 10:41:30.403 INFO [stderr]    | ^^^^^^^^^^^
Dec 19 10:41:30.403 INFO [stderr]    |
Dec 19 10:41:30.403 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 10:41:30.403 INFO [stderr] 
Dec 19 10:41:30.404 INFO [stderr] warning: function is never used: `make_error_response`
Dec 19 10:41:30.404 INFO [stderr]   --> src/main.rs:36:1
Dec 19 10:41:30.404 INFO [stderr]    |
Dec 19 10:41:30.404 INFO [stderr] 36 | fn make_error_response(error_message: &str) -> FutureResult<hyper::Response, hyper::Error> {
Dec 19 10:41:30.404 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:41:30.404 INFO [stderr] 
Dec 19 10:41:30.462 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
Dec 19 10:41:32.415 INFO running `"docker" "inspect" "22999097f8765b3e1dc86e352de0ee12f87aee8363eda255ffaff6536d8d0afc"`
Dec 19 10:41:32.744 INFO running `"docker" "rm" "-f" "22999097f8765b3e1dc86e352de0ee12f87aee8363eda255ffaff6536d8d0afc"`
Dec 19 10:41:33.084 INFO [stdout] 22999097f8765b3e1dc86e352de0ee12f87aee8363eda255ffaff6536d8d0afc