Dec 17 18:40:17.217 INFO checking nkypy/hello-word against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:40:17.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:40:17.660 INFO [stdout] 6225749579b5161199e36940800ae53dd42befcd0b9f5688107d1168e094619a
Dec 17 18:40:17.662 INFO running `"docker" "start" "-a" "6225749579b5161199e36940800ae53dd42befcd0b9f5688107d1168e094619a"`
Dec 17 18:40:19.597 INFO [stderr]    Compiling serde v1.0.37
Dec 17 18:40:19.605 INFO [stderr]    Compiling remove_dir_all v0.5.0
Dec 17 18:40:19.606 INFO [stderr]     Checking memoffset v0.1.0
Dec 17 18:40:19.628 INFO [stderr]    Compiling brotli-sys v0.3.2
Dec 17 18:40:19.629 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 17 18:40:19.631 INFO [stderr]    Compiling actix-web v0.6.2
Dec 17 18:40:19.634 INFO [stderr]    Compiling crossbeam-utils v0.2.2
Dec 17 18:40:19.637 INFO [stderr]    Compiling num_cpus v1.8.0
Dec 17 18:40:20.074 INFO [stderr]     Checking parking_lot_core v0.2.13
Dec 17 18:40:20.236 INFO [stderr]     Checking uuid v0.6.2
Dec 17 18:40:22.030 INFO [stderr]     Checking resolv-conf v0.6.0
Dec 17 18:40:22.071 INFO [stderr]     Checking crossbeam-epoch v0.2.0
Dec 17 18:40:22.077 INFO [stderr]     Checking tokio-io v0.1.6
Dec 17 18:40:22.091 INFO [stderr]     Checking http v0.1.5
Dec 17 18:40:22.210 INFO [stderr]    Compiling tempdir v0.3.7
Dec 17 18:40:22.425 INFO [stderr]     Checking parking_lot v0.4.8
Dec 17 18:40:22.606 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 17 18:40:24.184 INFO [stderr]    Compiling syn v0.13.1
Dec 17 18:40:24.185 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 17 18:40:24.225 INFO [stderr]     Checking mio-uds v0.6.4
Dec 17 18:40:24.366 INFO [stderr]     Checking url v1.7.0
Dec 17 18:40:24.768 INFO [stderr]    Compiling actix_derive v0.2.0
Dec 17 18:40:26.172 INFO [stderr]     Checking tokio-threadpool v0.1.2
Dec 17 18:40:30.828 INFO [stderr]     Checking crossbeam-channel v0.1.2
Dec 17 18:40:30.838 INFO [stderr]     Checking backtrace v0.2.3
Dec 17 18:40:30.854 INFO [stderr]    Compiling backtrace v0.3.5
Dec 17 18:40:31.440 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 17 18:40:33.196 INFO [stderr]     Checking chrono v0.4.0
Dec 17 18:40:33.196 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 17 18:40:33.292 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 17 18:40:33.324 INFO [stderr]     Checking error-chain v0.1.12
Dec 17 18:40:34.088 INFO [stderr]     Checking failure v0.1.1
Dec 17 18:40:34.436 INFO [stderr]     Checking h2 v0.1.5
Dec 17 18:40:37.809 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 17 18:40:37.832 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 17 18:40:38.104 INFO [stderr]    Compiling error-chain v0.11.0
Dec 17 18:40:38.187 INFO [stderr]     Checking flate2 v1.0.1
Dec 17 18:40:38.189 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 17 18:40:38.652 INFO [stderr]    Compiling serde_derive_internals v0.23.0
Dec 17 18:40:39.048 INFO [stderr]     Checking tokio v0.1.5
Dec 17 18:40:40.568 INFO [stderr]     Checking tokio-core v0.1.17
Dec 17 18:40:41.021 INFO [stderr]    Compiling rayon v0.8.2
Dec 17 18:40:42.092 INFO [stderr]    Compiling serde_derive v1.0.37
Dec 17 18:40:42.225 INFO [stderr]     Checking brotli2 v0.3.2
Dec 17 18:40:42.444 INFO [stderr]     Checking trust-dns-proto v0.3.2
Dec 17 18:40:42.444 INFO [stderr]     Checking tokio-signal v0.1.5
Dec 17 18:40:44.486 INFO [stderr]    Compiling serde_json v1.0.13
Dec 17 18:40:44.486 INFO [stderr]    Compiling semver v0.8.0
Dec 17 18:40:45.252 INFO [stderr]    Compiling ring v0.12.1
Dec 17 18:40:47.167 INFO [stderr]     Checking trust-dns-resolver v0.8.1
Dec 17 18:40:54.550 INFO [stderr]     Checking cookie v0.10.1
Dec 17 18:40:55.526 INFO [stderr]    Compiling cargo_metadata v0.3.3
Dec 17 18:40:58.332 INFO [stderr]    Compiling skeptic v0.13.2
Dec 17 18:41:01.487 INFO [stderr]    Compiling actix v0.5.5
Dec 17 18:41:15.024 INFO [stderr]     Checking hello-world v0.0.1 (/opt/crater/workdir)
Dec 17 18:41:16.800 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 18:41:16.801 INFO [stderr]   --> src/main.rs:12:1
Dec 17 18:41:16.801 INFO [stderr]    |
Dec 17 18:41:16.801 INFO [stderr] 12 | #[macro_use]
Dec 17 18:41:16.801 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 18:41:16.801 INFO [stderr]    |
Dec 17 18:41:16.801 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:41:16.801 INFO [stderr] 
Dec 17 18:41:16.801 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 18:41:16.801 INFO [stderr]   --> src/main.rs:14:1
Dec 17 18:41:16.801 INFO [stderr]    |
Dec 17 18:41:16.801 INFO [stderr] 14 | #[macro_use]
Dec 17 18:41:16.801 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 18:41:16.801 INFO [stderr] 
Dec 17 18:41:16.911 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 18:41:16.911 INFO [stderr]   --> src/main.rs:12:1
Dec 17 18:41:16.911 INFO [stderr]    |
Dec 17 18:41:16.911 INFO [stderr] 12 | #[macro_use]
Dec 17 18:41:16.911 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 18:41:16.911 INFO [stderr]    |
Dec 17 18:41:16.911 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:41:16.911 INFO [stderr] 
Dec 17 18:41:16.911 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 18:41:16.911 INFO [stderr]   --> src/main.rs:14:1
Dec 17 18:41:16.911 INFO [stderr]    |
Dec 17 18:41:16.911 INFO [stderr] 14 | #[macro_use]
Dec 17 18:41:16.911 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 18:41:16.911 INFO [stderr] 
Dec 17 18:41:17.265 INFO [stderr] warning: unused variable: `id`
Dec 17 18:41:17.265 INFO [stderr]   --> src/blockchain/mod.rs:42:29
Dec 17 18:41:17.266 INFO [stderr]    |
Dec 17 18:41:17.266 INFO [stderr] 42 |     pub fn find_transaction(id: String) -> Result<Transaction, &'static str> {
Dec 17 18:41:17.266 INFO [stderr]    |                             ^^ help: consider using `_id` instead
Dec 17 18:41:17.266 INFO [stderr]    |
Dec 17 18:41:17.266 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:41:17.266 INFO [stderr] 
Dec 17 18:41:17.316 INFO [stderr] warning: unused variable: `id`
Dec 17 18:41:17.316 INFO [stderr]   --> src/blockchain/mod.rs:42:29
Dec 17 18:41:17.316 INFO [stderr]    |
Dec 17 18:41:17.316 INFO [stderr] 42 |     pub fn find_transaction(id: String) -> Result<Transaction, &'static str> {
Dec 17 18:41:17.316 INFO [stderr]    |                             ^^ help: consider using `_id` instead
Dec 17 18:41:17.316 INFO [stderr]    |
Dec 17 18:41:17.316 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:41:17.316 INFO [stderr] 
Dec 17 18:41:17.489 INFO [stderr] warning: method is never used: `new`
Dec 17 18:41:17.489 INFO [stderr]   --> src/blockchain/block.rs:31:5
Dec 17 18:41:17.489 INFO [stderr]    |
Dec 17 18:41:17.489 INFO [stderr] 31 |     pub fn new(b: Block) -> ProofOfWork {
Dec 17 18:41:17.489 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:41:17.489 INFO [stderr]    |
Dec 17 18:41:17.489 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:41:17.489 INFO [stderr] 
Dec 17 18:41:17.489 INFO [stderr] warning: method is never used: `verify`
Dec 17 18:41:17.489 INFO [stderr]   --> src/blockchain/block.rs:76:5
Dec 17 18:41:17.489 INFO [stderr]    |
Dec 17 18:41:17.489 INFO [stderr] 76 |     pub fn verify() -> Result<&'static str, &'static str> {
Dec 17 18:41:17.489 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:41:17.490 INFO [stderr] 
Dec 17 18:41:17.490 INFO [stderr] warning: method is never used: `verify`
Dec 17 18:41:17.490 INFO [stderr]   --> src/blockchain/transaction.rs:22:5
Dec 17 18:41:17.490 INFO [stderr]    |
Dec 17 18:41:17.490 INFO [stderr] 22 |     pub fn verify() -> Result<&'static str, &'static str> {
Dec 17 18:41:17.490 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:41:17.490 INFO [stderr] 
Dec 17 18:41:17.490 INFO [stderr] warning: method is never used: `new`
Dec 17 18:41:17.490 INFO [stderr]   --> src/blockchain/wallet.rs:25:5
Dec 17 18:41:17.490 INFO [stderr]    |
Dec 17 18:41:17.490 INFO [stderr] 25 |     pub fn new() -> Wallet {
Dec 17 18:41:17.490 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:41:17.490 INFO [stderr] 
Dec 17 18:41:17.490 INFO [stderr] warning: constant item is never used: `NOT_FOUND`
Dec 17 18:41:17.490 INFO [stderr]   --> src/rpc/model/error.rs:23:1
Dec 17 18:41:17.490 INFO [stderr]    |
Dec 17 18:41:17.490 INFO [stderr] 23 | / pub const NOT_FOUND: Error = Error {
Dec 17 18:41:17.490 INFO [stderr] 24 | |     error_code: 100404,
Dec 17 18:41:17.490 INFO [stderr] 25 | |     error_message: "Not Found",
Dec 17 18:41:17.490 INFO [stderr] 26 | | };
Dec 17 18:41:17.490 INFO [stderr]    | |__^
Dec 17 18:41:17.490 INFO [stderr] 
Dec 17 18:41:17.490 INFO [stderr] warning: constant item is never used: `INTERNAL_SERVER_ERROR`
Dec 17 18:41:17.490 INFO [stderr]   --> src/rpc/model/error.rs:28:1
Dec 17 18:41:17.490 INFO [stderr]    |
Dec 17 18:41:17.490 INFO [stderr] 28 | / pub const INTERNAL_SERVER_ERROR: Error = Error {
Dec 17 18:41:17.490 INFO [stderr] 29 | |     error_code: 100500,
Dec 17 18:41:17.490 INFO [stderr] 30 | |     error_message: "Internal Server Error",
Dec 17 18:41:17.490 INFO [stderr] 31 | | };
Dec 17 18:41:17.490 INFO [stderr]    | |__^
Dec 17 18:41:17.490 INFO [stderr] 
Dec 17 18:41:17.490 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 17 18:41:17.490 INFO [stderr]  --> src/main.rs:1:12
Dec 17 18:41:17.490 INFO [stderr]   |
Dec 17 18:41:17.490 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 17 18:41:17.490 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 17 18:41:17.490 INFO [stderr]   |
Dec 17 18:41:17.490 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 18:41:17.490 INFO [stderr] 
Dec 17 18:41:17.538 INFO [stderr] warning: method is never used: `new`
Dec 17 18:41:17.538 INFO [stderr]   --> src/blockchain/block.rs:31:5
Dec 17 18:41:17.538 INFO [stderr]    |
Dec 17 18:41:17.538 INFO [stderr] 31 |     pub fn new(b: Block) -> ProofOfWork {
Dec 17 18:41:17.538 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:41:17.544 INFO [stderr]    |
Dec 17 18:41:17.544 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:41:17.544 INFO [stderr] 
Dec 17 18:41:17.544 INFO [stderr] warning: method is never used: `verify`
Dec 17 18:41:17.544 INFO [stderr]   --> src/blockchain/block.rs:76:5
Dec 17 18:41:17.545 INFO [stderr]    |
Dec 17 18:41:17.545 INFO [stderr] 76 |     pub fn verify() -> Result<&'static str, &'static str> {
Dec 17 18:41:17.545 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:41:17.545 INFO [stderr] 
Dec 17 18:41:17.545 INFO [stderr] warning: method is never used: `verify`
Dec 17 18:41:17.545 INFO [stderr]   --> src/blockchain/transaction.rs:22:5
Dec 17 18:41:17.545 INFO [stderr]    |
Dec 17 18:41:17.545 INFO [stderr] 22 |     pub fn verify() -> Result<&'static str, &'static str> {
Dec 17 18:41:17.545 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:41:17.545 INFO [stderr] 
Dec 17 18:41:17.545 INFO [stderr] warning: method is never used: `new`
Dec 17 18:41:17.545 INFO [stderr]   --> src/blockchain/wallet.rs:25:5
Dec 17 18:41:17.545 INFO [stderr]    |
Dec 17 18:41:17.545 INFO [stderr] 25 |     pub fn new() -> Wallet {
Dec 17 18:41:17.545 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:41:17.545 INFO [stderr] 
Dec 17 18:41:17.545 INFO [stderr] warning: constant item is never used: `NOT_FOUND`
Dec 17 18:41:17.545 INFO [stderr]   --> src/rpc/model/error.rs:23:1
Dec 17 18:41:17.545 INFO [stderr]    |
Dec 17 18:41:17.545 INFO [stderr] 23 | / pub const NOT_FOUND: Error = Error {
Dec 17 18:41:17.545 INFO [stderr] 24 | |     error_code: 100404,
Dec 17 18:41:17.545 INFO [stderr] 25 | |     error_message: "Not Found",
Dec 17 18:41:17.545 INFO [stderr] 26 | | };
Dec 17 18:41:17.545 INFO [stderr]    | |__^
Dec 17 18:41:17.545 INFO [stderr] 
Dec 17 18:41:17.545 INFO [stderr] warning: constant item is never used: `INTERNAL_SERVER_ERROR`
Dec 17 18:41:17.545 INFO [stderr]   --> src/rpc/model/error.rs:28:1
Dec 17 18:41:17.545 INFO [stderr]    |
Dec 17 18:41:17.546 INFO [stderr] 28 | / pub const INTERNAL_SERVER_ERROR: Error = Error {
Dec 17 18:41:17.546 INFO [stderr] 29 | |     error_code: 100500,
Dec 17 18:41:17.546 INFO [stderr] 30 | |     error_message: "Internal Server Error",
Dec 17 18:41:17.546 INFO [stderr] 31 | | };
Dec 17 18:41:17.546 INFO [stderr]    | |__^
Dec 17 18:41:17.546 INFO [stderr] 
Dec 17 18:41:17.546 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 17 18:41:17.546 INFO [stderr]  --> src/main.rs:1:12
Dec 17 18:41:17.546 INFO [stderr]   |
Dec 17 18:41:17.546 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 17 18:41:17.546 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 17 18:41:17.546 INFO [stderr]   |
Dec 17 18:41:17.546 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 18:41:17.546 INFO [stderr] 
Dec 17 18:41:17.633 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.53s
Dec 17 18:41:18.985 INFO running `"docker" "inspect" "6225749579b5161199e36940800ae53dd42befcd0b9f5688107d1168e094619a"`
Dec 17 18:41:19.342 INFO running `"docker" "rm" "-f" "6225749579b5161199e36940800ae53dd42befcd0b9f5688107d1168e094619a"`
Dec 17 18:41:19.680 INFO [stdout] 6225749579b5161199e36940800ae53dd42befcd0b9f5688107d1168e094619a