Dec 12 02:49:17.823 INFO checking Floppy/ruby-version-badger against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 02:49:17.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 02:49:18.297 INFO [stdout] caededdbab6d01d2b45d4d94440c20b425ed70b56f6d25db156622c4c06576eb
Dec 12 02:49:18.304 INFO running `"docker" "start" "-a" "caededdbab6d01d2b45d4d94440c20b425ed70b56f6d25db156622c4c06576eb"`
Dec 12 02:49:19.372 INFO [stderr] usermod: no changes
Dec 12 02:49:19.394 INFO [stderr] warning: unused manifest key: package.target
Dec 12 02:49:19.724 INFO [stderr]     Checking memchr v0.1.11
Dec 12 02:49:19.744 INFO [stderr]     Checking openssl-sys v0.9.27
Dec 12 02:49:19.744 INFO [stderr]     Checking tokio-core v0.1.12
Dec 12 02:49:19.744 INFO [stderr]     Checking thread-id v2.0.0
Dec 12 02:49:19.744 INFO [stderr]     Checking iron v0.5.1
Dec 12 02:49:20.237 INFO [stderr]     Checking thread_local v0.2.7
Dec 12 02:49:20.668 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 12 02:49:22.072 INFO [stderr]     Checking openssl v0.9.24
Dec 12 02:49:23.040 INFO [stderr]     Checking regex v0.1.80
Dec 12 02:49:25.490 INFO [stderr]     Checking mount v0.3.0
Dec 12 02:49:25.491 INFO [stderr]     Checking router v0.5.1
Dec 12 02:49:25.671 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 12 02:49:32.684 INFO [stderr]     Checking env_logger v0.3.5
Dec 12 02:49:34.596 INFO [stderr]     Checking staticfile v0.4.0
Dec 12 02:49:35.690 INFO [stderr]     Checking native-tls v0.1.5
Dec 12 02:49:37.328 INFO [stderr]     Checking hyper v0.11.21
Dec 12 02:49:38.069 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 12 02:49:44.693 INFO [stderr]     Checking hyper-tls v0.1.2
Dec 12 02:49:47.399 INFO [stderr]     Checking reqwest v0.8.5
Dec 12 02:49:51.877 INFO [stderr]     Checking ruby-version-badger v0.1.1 (/source)
Dec 12 02:49:58.580 INFO [stderr] warning: value assigned to `version` is never read
Dec 12 02:49:58.580 INFO [stderr]   --> src/ruby.rs:19:13
Dec 12 02:49:58.580 INFO [stderr]    |
Dec 12 02:49:58.580 INFO [stderr] 19 |     let mut version = "unknown".to_string();
Dec 12 02:49:58.580 INFO [stderr]    |             ^^^^^^^
Dec 12 02:49:58.580 INFO [stderr]    |
Dec 12 02:49:58.580 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 12 02:49:58.580 INFO [stderr] 
Dec 12 02:49:58.580 INFO [stderr] warning: value assigned to `version` is never read
Dec 12 02:49:58.580 INFO [stderr]   --> src/rust.rs:19:13
Dec 12 02:49:58.580 INFO [stderr]    |
Dec 12 02:49:58.580 INFO [stderr] 19 |     let mut version = "unknown".to_string();
Dec 12 02:49:58.580 INFO [stderr]    |             ^^^^^^^
Dec 12 02:49:58.580 INFO [stderr] 
Dec 12 02:49:58.580 INFO [stderr] warning: value assigned to `version` is never read
Dec 12 02:49:58.580 INFO [stderr]   --> src/node.rs:18:13
Dec 12 02:49:58.580 INFO [stderr]    |
Dec 12 02:49:58.580 INFO [stderr] 18 |     let mut version = "unknown".to_string();
Dec 12 02:49:58.580 INFO [stderr]    |             ^^^^^^^
Dec 12 02:49:58.580 INFO [stderr] 
Dec 12 02:49:58.636 INFO [stderr] warning: function is never used: `language`
Dec 12 02:49:58.636 INFO [stderr]   --> src/config.rs:11:1
Dec 12 02:49:58.636 INFO [stderr]    |
Dec 12 02:49:58.636 INFO [stderr] 11 | pub fn language(lang: String) -> Result<yaml::Yaml, Error> {
Dec 12 02:49:58.636 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:49:58.636 INFO [stderr]    |
Dec 12 02:49:58.636 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:49:58.636 INFO [stderr] 
Dec 12 02:49:58.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:49:58.636 INFO [stderr]   --> src/main.rs:20:5
Dec 12 02:49:58.636 INFO [stderr]    |
Dec 12 02:49:58.636 INFO [stderr] 20 |     env_logger::init();
Dec 12 02:49:58.636 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 02:49:58.636 INFO [stderr]    |
Dec 12 02:49:58.636 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 02:49:58.636 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:49:58.636 INFO [stderr] 
Dec 12 02:49:58.792 INFO [stderr] warning: value assigned to `version` is never read
Dec 12 02:49:58.792 INFO [stderr]   --> src/ruby.rs:19:13
Dec 12 02:49:58.792 INFO [stderr]    |
Dec 12 02:49:58.792 INFO [stderr] 19 |     let mut version = "unknown".to_string();
Dec 12 02:49:58.792 INFO [stderr]    |             ^^^^^^^
Dec 12 02:49:58.792 INFO [stderr]    |
Dec 12 02:49:58.792 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 12 02:49:58.792 INFO [stderr] 
Dec 12 02:49:58.792 INFO [stderr] warning: value assigned to `version` is never read
Dec 12 02:49:58.792 INFO [stderr]   --> src/rust.rs:19:13
Dec 12 02:49:58.792 INFO [stderr]    |
Dec 12 02:49:58.792 INFO [stderr] 19 |     let mut version = "unknown".to_string();
Dec 12 02:49:58.792 INFO [stderr]    |             ^^^^^^^
Dec 12 02:49:58.792 INFO [stderr] 
Dec 12 02:49:58.792 INFO [stderr] warning: value assigned to `version` is never read
Dec 12 02:49:58.792 INFO [stderr]   --> src/node.rs:18:13
Dec 12 02:49:58.792 INFO [stderr]    |
Dec 12 02:49:58.792 INFO [stderr] 18 |     let mut version = "unknown".to_string();
Dec 12 02:49:58.792 INFO [stderr]    |             ^^^^^^^
Dec 12 02:49:58.792 INFO [stderr] 
Dec 12 02:49:58.836 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:49:58.836 INFO [stderr]   --> src/main.rs:20:5
Dec 12 02:49:58.836 INFO [stderr]    |
Dec 12 02:49:58.836 INFO [stderr] 20 |     env_logger::init();
Dec 12 02:49:58.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 02:49:58.836 INFO [stderr]    |
Dec 12 02:49:58.836 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 02:49:58.836 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:49:58.836 INFO [stderr] 
Dec 12 02:49:58.867 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.49s
Dec 12 02:49:58.913 INFO [stderr] su: No module specific data is present
Dec 12 02:49:59.700 INFO running `"docker" "inspect" "caededdbab6d01d2b45d4d94440c20b425ed70b56f6d25db156622c4c06576eb"`
Dec 12 02:50:00.051 INFO running `"docker" "rm" "-f" "caededdbab6d01d2b45d4d94440c20b425ed70b56f6d25db156622c4c06576eb"`
Dec 12 02:50:00.364 INFO [stdout] caededdbab6d01d2b45d4d94440c20b425ed70b56f6d25db156622c4c06576eb