Dec 19 11:45:09.022 INFO checking nkypy/hello-word against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:45:09.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/nkypy/hello-word:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:45:09.252 INFO [stdout] cc3469214ba7a213e8f4c1223523215802b683d495b7601a02d3f3ec4c59292f
Dec 19 11:45:09.259 INFO running `"docker" "start" "-a" "cc3469214ba7a213e8f4c1223523215802b683d495b7601a02d3f3ec4c59292f"`
Dec 19 11:45:10.252 INFO [stderr]    Compiling rustc-demangle v0.1.7
Dec 19 11:45:10.252 INFO [stderr]    Compiling serde v1.0.37
Dec 19 11:45:10.252 INFO [stderr]    Compiling remove_dir_all v0.5.0
Dec 19 11:45:10.252 INFO [stderr]    Compiling bytecount v0.2.0
Dec 19 11:45:10.252 INFO [stderr]     Checking hostname v0.1.4
Dec 19 11:45:10.252 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 19 11:45:10.252 INFO [stderr]    Compiling brotli-sys v0.3.2
Dec 19 11:45:10.252 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 19 11:45:10.463 INFO [stderr]    Compiling actix-web v0.6.2
Dec 19 11:45:11.231 INFO [stderr]     Checking base64 v0.9.0
Dec 19 11:45:11.233 INFO [stderr]     Checking uuid v0.6.2
Dec 19 11:45:11.233 INFO [stderr]     Checking mio v0.6.14
Dec 19 11:45:11.244 INFO [stderr]     Checking crossbeam-epoch v0.2.0
Dec 19 11:45:11.316 INFO [stderr]     Checking resolv-conf v0.6.0
Dec 19 11:45:11.763 INFO [stderr]    Compiling tempdir v0.3.7
Dec 19 11:45:12.264 INFO [stderr]     Checking tokio-io v0.1.6
Dec 19 11:45:12.751 INFO [stderr]     Checking http v0.1.5
Dec 19 11:45:12.917 INFO [stderr]     Checking parking_lot v0.4.8
Dec 19 11:45:13.160 INFO [stderr]    Compiling actix_derive v0.2.0
Dec 19 11:45:14.652 INFO [stderr]     Checking url v1.7.0
Dec 19 11:45:15.144 INFO [stderr]     Checking regex v1.0.0
Dec 19 11:45:21.058 INFO [stderr]     Checking tokio-threadpool v0.1.2
Dec 19 11:45:22.616 INFO [stderr]     Checking crossbeam-channel v0.1.2
Dec 19 11:45:23.553 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 19 11:45:23.974 INFO [stderr]     Checking mio-uds v0.6.4
Dec 19 11:45:24.526 INFO [stderr]     Checking chrono v0.4.0
Dec 19 11:45:25.120 INFO [stderr]     Checking flate2 v1.0.1
Dec 19 11:45:25.149 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 19 11:45:25.420 INFO [stderr]     Checking h2 v0.1.5
Dec 19 11:45:25.552 INFO [stderr]     Checking sha2 v0.7.0
Dec 19 11:45:26.364 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 19 11:45:26.440 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 19 11:45:27.220 INFO [stderr]     Checking cookie v0.10.1
Dec 19 11:45:27.889 INFO [stderr]     Checking tokio v0.1.5
Dec 19 11:45:29.560 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 11:45:31.909 INFO [stderr]     Checking tokio-signal v0.1.5
Dec 19 11:45:33.378 INFO [stderr]     Checking brotli2 v0.3.2
Dec 19 11:45:35.425 INFO [stderr]    Compiling serde_json v1.0.13
Dec 19 11:45:35.435 INFO [stderr]    Compiling semver v0.8.0
Dec 19 11:45:38.248 INFO [stderr]     Checking backtrace v0.2.3
Dec 19 11:45:38.248 INFO [stderr]     Checking backtrace v0.3.5
Dec 19 11:45:38.728 INFO [stderr]     Checking error-chain v0.1.12
Dec 19 11:45:38.804 INFO [stderr]     Checking failure v0.1.1
Dec 19 11:45:39.179 INFO [stderr]     Checking trust-dns-proto v0.3.2
Dec 19 11:45:39.782 INFO [stderr]    Compiling error-chain v0.11.0
Dec 19 11:45:42.107 INFO [stderr]    Compiling cargo_metadata v0.3.3
Dec 19 11:45:46.498 INFO [stderr]    Compiling skeptic v0.13.2
Dec 19 11:45:46.636 INFO [stderr]     Checking trust-dns-resolver v0.8.1
Dec 19 11:45:50.071 INFO [stderr]    Compiling actix v0.5.5
Dec 19 11:46:02.664 INFO [stderr]     Checking hello-world v0.0.1 (/opt/crater/workdir)
Dec 19 11:46:04.081 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 11:46:04.081 INFO [stderr]   --> src/main.rs:12:1
Dec 19 11:46:04.081 INFO [stderr]    |
Dec 19 11:46:04.081 INFO [stderr] 12 | #[macro_use]
Dec 19 11:46:04.081 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 11:46:04.081 INFO [stderr]    |
Dec 19 11:46:04.081 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 11:46:04.084 INFO [stderr] 
Dec 19 11:46:04.084 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 11:46:04.084 INFO [stderr]   --> src/main.rs:14:1
Dec 19 11:46:04.084 INFO [stderr]    |
Dec 19 11:46:04.084 INFO [stderr] 14 | #[macro_use]
Dec 19 11:46:04.084 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 11:46:04.084 INFO [stderr] 
Dec 19 11:46:04.145 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 11:46:04.145 INFO [stderr]   --> src/main.rs:12:1
Dec 19 11:46:04.145 INFO [stderr]    |
Dec 19 11:46:04.145 INFO [stderr] 12 | #[macro_use]
Dec 19 11:46:04.145 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 11:46:04.145 INFO [stderr]    |
Dec 19 11:46:04.145 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 11:46:04.145 INFO [stderr] 
Dec 19 11:46:04.145 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 11:46:04.145 INFO [stderr]   --> src/main.rs:14:1
Dec 19 11:46:04.145 INFO [stderr]    |
Dec 19 11:46:04.145 INFO [stderr] 14 | #[macro_use]
Dec 19 11:46:04.145 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 11:46:04.145 INFO [stderr] 
Dec 19 11:46:04.533 INFO [stderr] warning: unused variable: `id`
Dec 19 11:46:04.533 INFO [stderr]   --> src/blockchain/mod.rs:42:29
Dec 19 11:46:04.533 INFO [stderr]    |
Dec 19 11:46:04.533 INFO [stderr] 42 |     pub fn find_transaction(id: String) -> Result<Transaction, &'static str> {
Dec 19 11:46:04.534 INFO [stderr]    |                             ^^ help: consider using `_id` instead
Dec 19 11:46:04.536 INFO [stderr]    |
Dec 19 11:46:04.536 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:46:04.536 INFO [stderr] 
Dec 19 11:46:04.628 INFO [stderr] warning: unused variable: `id`
Dec 19 11:46:04.629 INFO [stderr]   --> src/blockchain/mod.rs:42:29
Dec 19 11:46:04.629 INFO [stderr]    |
Dec 19 11:46:04.629 INFO [stderr] 42 |     pub fn find_transaction(id: String) -> Result<Transaction, &'static str> {
Dec 19 11:46:04.630 INFO [stderr]    |                             ^^ help: consider using `_id` instead
Dec 19 11:46:04.630 INFO [stderr]    |
Dec 19 11:46:04.630 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:46:04.630 INFO [stderr] 
Dec 19 11:46:04.884 INFO [stderr] warning: method is never used: `new`
Dec 19 11:46:04.884 INFO [stderr]   --> src/blockchain/block.rs:31:5
Dec 19 11:46:04.884 INFO [stderr]    |
Dec 19 11:46:04.884 INFO [stderr] 31 |     pub fn new(b: Block) -> ProofOfWork {
Dec 19 11:46:04.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:46:04.884 INFO [stderr]    |
Dec 19 11:46:04.884 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:46:04.884 INFO [stderr] 
Dec 19 11:46:04.884 INFO [stderr] warning: method is never used: `verify`
Dec 19 11:46:04.884 INFO [stderr]   --> src/blockchain/block.rs:76:5
Dec 19 11:46:04.884 INFO [stderr]    |
Dec 19 11:46:04.885 INFO [stderr] 76 |     pub fn verify() -> Result<&'static str, &'static str> {
Dec 19 11:46:04.885 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:46:04.885 INFO [stderr] 
Dec 19 11:46:04.885 INFO [stderr] warning: method is never used: `verify`
Dec 19 11:46:04.885 INFO [stderr]   --> src/blockchain/transaction.rs:22:5
Dec 19 11:46:04.885 INFO [stderr]    |
Dec 19 11:46:04.885 INFO [stderr] 22 |     pub fn verify() -> Result<&'static str, &'static str> {
Dec 19 11:46:04.885 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:46:04.885 INFO [stderr] 
Dec 19 11:46:04.885 INFO [stderr] warning: method is never used: `new`
Dec 19 11:46:04.885 INFO [stderr]   --> src/blockchain/wallet.rs:25:5
Dec 19 11:46:04.885 INFO [stderr]    |
Dec 19 11:46:04.885 INFO [stderr] 25 |     pub fn new() -> Wallet {
Dec 19 11:46:04.885 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:46:04.885 INFO [stderr] 
Dec 19 11:46:04.885 INFO [stderr] warning: constant item is never used: `NOT_FOUND`
Dec 19 11:46:04.885 INFO [stderr]   --> src/rpc/model/error.rs:23:1
Dec 19 11:46:04.885 INFO [stderr]    |
Dec 19 11:46:04.885 INFO [stderr] 23 | / pub const NOT_FOUND: Error = Error {
Dec 19 11:46:04.885 INFO [stderr] 24 | |     error_code: 100404,
Dec 19 11:46:04.885 INFO [stderr] 25 | |     error_message: "Not Found",
Dec 19 11:46:04.885 INFO [stderr] 26 | | };
Dec 19 11:46:04.885 INFO [stderr]    | |__^
Dec 19 11:46:04.885 INFO [stderr] 
Dec 19 11:46:04.885 INFO [stderr] warning: constant item is never used: `INTERNAL_SERVER_ERROR`
Dec 19 11:46:04.885 INFO [stderr]   --> src/rpc/model/error.rs:28:1
Dec 19 11:46:04.885 INFO [stderr]    |
Dec 19 11:46:04.885 INFO [stderr] 28 | / pub const INTERNAL_SERVER_ERROR: Error = Error {
Dec 19 11:46:04.885 INFO [stderr] 29 | |     error_code: 100500,
Dec 19 11:46:04.885 INFO [stderr] 30 | |     error_message: "Internal Server Error",
Dec 19 11:46:04.885 INFO [stderr] 31 | | };
Dec 19 11:46:04.885 INFO [stderr]    | |__^
Dec 19 11:46:04.885 INFO [stderr] 
Dec 19 11:46:04.885 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 19 11:46:04.885 INFO [stderr]  --> src/main.rs:1:12
Dec 19 11:46:04.885 INFO [stderr]   |
Dec 19 11:46:04.885 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 11:46:04.885 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 19 11:46:04.885 INFO [stderr]   |
Dec 19 11:46:04.885 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 11:46:04.885 INFO [stderr] 
Dec 19 11:46:04.885 INFO [stderr] warning: method is never used: `new`
Dec 19 11:46:04.885 INFO [stderr]   --> src/blockchain/block.rs:31:5
Dec 19 11:46:04.885 INFO [stderr]    |
Dec 19 11:46:04.885 INFO [stderr] 31 |     pub fn new(b: Block) -> ProofOfWork {
Dec 19 11:46:04.885 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:46:04.885 INFO [stderr]    |
Dec 19 11:46:04.885 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:46:04.885 INFO [stderr] 
Dec 19 11:46:04.885 INFO [stderr] warning: method is never used: `verify`
Dec 19 11:46:04.885 INFO [stderr]   --> src/blockchain/block.rs:76:5
Dec 19 11:46:04.885 INFO [stderr]    |
Dec 19 11:46:04.885 INFO [stderr] 76 |     pub fn verify() -> Result<&'static str, &'static str> {
Dec 19 11:46:04.885 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:46:04.885 INFO [stderr] 
Dec 19 11:46:04.911 INFO [stderr] warning: method is never used: `verify`
Dec 19 11:46:04.911 INFO [stderr]   --> src/blockchain/transaction.rs:22:5
Dec 19 11:46:04.911 INFO [stderr]    |
Dec 19 11:46:04.911 INFO [stderr] 22 |     pub fn verify() -> Result<&'static str, &'static str> {
Dec 19 11:46:04.911 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:46:04.911 INFO [stderr] 
Dec 19 11:46:04.911 INFO [stderr] warning: method is never used: `new`
Dec 19 11:46:04.911 INFO [stderr]   --> src/blockchain/wallet.rs:25:5
Dec 19 11:46:04.911 INFO [stderr]    |
Dec 19 11:46:04.911 INFO [stderr] 25 |     pub fn new() -> Wallet {
Dec 19 11:46:04.911 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:46:04.911 INFO [stderr] 
Dec 19 11:46:04.911 INFO [stderr] warning: constant item is never used: `NOT_FOUND`
Dec 19 11:46:04.911 INFO [stderr]   --> src/rpc/model/error.rs:23:1
Dec 19 11:46:04.911 INFO [stderr]    |
Dec 19 11:46:04.911 INFO [stderr] 23 | / pub const NOT_FOUND: Error = Error {
Dec 19 11:46:04.911 INFO [stderr] 24 | |     error_code: 100404,
Dec 19 11:46:04.911 INFO [stderr] 25 | |     error_message: "Not Found",
Dec 19 11:46:04.911 INFO [stderr] 26 | | };
Dec 19 11:46:04.911 INFO [stderr]    | |__^
Dec 19 11:46:04.911 INFO [stderr] 
Dec 19 11:46:04.912 INFO [stderr] warning: constant item is never used: `INTERNAL_SERVER_ERROR`
Dec 19 11:46:04.912 INFO [stderr]   --> src/rpc/model/error.rs:28:1
Dec 19 11:46:04.912 INFO [stderr]    |
Dec 19 11:46:04.912 INFO [stderr] 28 | / pub const INTERNAL_SERVER_ERROR: Error = Error {
Dec 19 11:46:04.912 INFO [stderr] 29 | |     error_code: 100500,
Dec 19 11:46:04.912 INFO [stderr] 30 | |     error_message: "Internal Server Error",
Dec 19 11:46:04.912 INFO [stderr] 31 | | };
Dec 19 11:46:04.912 INFO [stderr]    | |__^
Dec 19 11:46:04.912 INFO [stderr] 
Dec 19 11:46:04.912 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 19 11:46:04.912 INFO [stderr]  --> src/main.rs:1:12
Dec 19 11:46:04.912 INFO [stderr]   |
Dec 19 11:46:04.912 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 11:46:04.912 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 19 11:46:04.912 INFO [stderr]   |
Dec 19 11:46:04.912 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 11:46:04.912 INFO [stderr] 
Dec 19 11:46:04.993 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.07s
Dec 19 11:46:06.075 INFO running `"docker" "inspect" "cc3469214ba7a213e8f4c1223523215802b683d495b7601a02d3f3ec4c59292f"`
Dec 19 11:46:06.314 INFO running `"docker" "rm" "-f" "cc3469214ba7a213e8f4c1223523215802b683d495b7601a02d3f3ec4c59292f"`
Dec 19 11:46:06.628 INFO [stdout] cc3469214ba7a213e8f4c1223523215802b683d495b7601a02d3f3ec4c59292f