Oct 13 04:44:14.855 INFO checking Floppy/ruby-version-badger against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 04:44:14.855 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 04:44:15.248 INFO blam! 679336f12a191a8572e9547a01c2460ea3c4c7636b8967b7fae5832f41baf897
Oct 13 04:44:15.250 INFO running `"docker" "start" "-a" "679336f12a191a8572e9547a01c2460ea3c4c7636b8967b7fae5832f41baf897"`
Oct 13 04:44:17.108 INFO kablam! usermod: no changes
Oct 13 04:44:17.192 INFO kablam! warning: unused manifest key: package.target
Oct 13 04:44:17.668 INFO kablam!     Checking regex v0.2.6
Oct 13 04:44:17.668 INFO kablam!     Checking hyper v0.10.13
Oct 13 04:44:17.681 INFO kablam!     Checking hyper v0.11.21
Oct 13 04:44:17.688 INFO kablam!     Checking env_logger v0.3.5
Oct 13 04:44:27.277 INFO kablam!     Checking iron v0.5.1
Oct 13 04:44:29.788 INFO kablam!     Checking hyper-tls v0.1.2
Oct 13 04:44:30.804 INFO kablam!     Checking mount v0.3.0
Oct 13 04:44:30.804 INFO kablam!     Checking router v0.5.1
Oct 13 04:44:34.264 INFO kablam!     Checking staticfile v0.4.0
Oct 13 04:44:36.397 INFO kablam!     Checking reqwest v0.8.5
Oct 13 04:44:42.208 INFO kablam!     Checking ruby-version-badger v0.1.1 (/source)
Oct 13 04:44:49.900 INFO kablam! warning: value assigned to `version` is never read
Oct 13 04:44:49.900 INFO kablam!   --> src/ruby.rs:19:13
Oct 13 04:44:49.900 INFO kablam!    |
Oct 13 04:44:49.900 INFO kablam! 19 |     let mut version = "unknown".to_string();
Oct 13 04:44:49.900 INFO kablam!    |             ^^^^^^^
Oct 13 04:44:49.900 INFO kablam!    |
Oct 13 04:44:49.900 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 13 04:44:49.900 INFO kablam! 
Oct 13 04:44:49.900 INFO kablam! warning: value assigned to `version` is never read
Oct 13 04:44:49.900 INFO kablam!   --> src/rust.rs:19:13
Oct 13 04:44:49.900 INFO kablam!    |
Oct 13 04:44:49.900 INFO kablam! 19 |     let mut version = "unknown".to_string();
Oct 13 04:44:49.900 INFO kablam!    |             ^^^^^^^
Oct 13 04:44:49.900 INFO kablam! 
Oct 13 04:44:49.900 INFO kablam! warning: value assigned to `version` is never read
Oct 13 04:44:49.900 INFO kablam!   --> src/node.rs:18:13
Oct 13 04:44:49.900 INFO kablam!    |
Oct 13 04:44:49.900 INFO kablam! 18 |     let mut version = "unknown".to_string();
Oct 13 04:44:49.900 INFO kablam!    |             ^^^^^^^
Oct 13 04:44:49.904 INFO kablam! 
Oct 13 04:44:49.953 INFO kablam! warning: function is never used: `language`
Oct 13 04:44:49.953 INFO kablam!   --> src/config.rs:11:1
Oct 13 04:44:49.953 INFO kablam!    |
Oct 13 04:44:49.953 INFO kablam! 11 | pub fn language(lang: String) -> Result<yaml::Yaml, Error> {
Oct 13 04:44:49.953 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 04:44:49.953 INFO kablam!    |
Oct 13 04:44:49.953 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 04:44:49.953 INFO kablam! 
Oct 13 04:44:49.955 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 04:44:49.955 INFO kablam!   --> src/main.rs:20:5
Oct 13 04:44:49.955 INFO kablam!    |
Oct 13 04:44:49.956 INFO kablam! 20 |     env_logger::init();
Oct 13 04:44:49.956 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 13 04:44:49.957 INFO kablam!    |
Oct 13 04:44:49.957 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 04:44:49.957 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 04:44:49.957 INFO kablam! 
Oct 13 04:44:50.700 INFO kablam! warning: value assigned to `version` is never read
Oct 13 04:44:50.700 INFO kablam!   --> src/ruby.rs:19:13
Oct 13 04:44:50.700 INFO kablam!    |
Oct 13 04:44:50.700 INFO kablam! 19 |     let mut version = "unknown".to_string();
Oct 13 04:44:50.700 INFO kablam!    |             ^^^^^^^
Oct 13 04:44:50.700 INFO kablam!    |
Oct 13 04:44:50.700 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 13 04:44:50.700 INFO kablam! 
Oct 13 04:44:50.700 INFO kablam! warning: value assigned to `version` is never read
Oct 13 04:44:50.700 INFO kablam!   --> src/rust.rs:19:13
Oct 13 04:44:50.700 INFO kablam!    |
Oct 13 04:44:50.700 INFO kablam! 19 |     let mut version = "unknown".to_string();
Oct 13 04:44:50.700 INFO kablam!    |             ^^^^^^^
Oct 13 04:44:50.700 INFO kablam! 
Oct 13 04:44:50.700 INFO kablam! warning: value assigned to `version` is never read
Oct 13 04:44:50.700 INFO kablam!   --> src/node.rs:18:13
Oct 13 04:44:50.700 INFO kablam!    |
Oct 13 04:44:50.700 INFO kablam! 18 |     let mut version = "unknown".to_string();
Oct 13 04:44:50.700 INFO kablam!    |             ^^^^^^^
Oct 13 04:44:50.700 INFO kablam! 
Oct 13 04:44:50.759 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 04:44:50.759 INFO kablam!   --> src/main.rs:20:5
Oct 13 04:44:50.759 INFO kablam!    |
Oct 13 04:44:50.759 INFO kablam! 20 |     env_logger::init();
Oct 13 04:44:50.760 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 13 04:44:50.760 INFO kablam!    |
Oct 13 04:44:50.760 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 04:44:50.760 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 04:44:50.760 INFO kablam! 
Oct 13 04:44:50.800 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 33.66s
Oct 13 04:44:50.821 INFO kablam! su: No module specific data is present
Oct 13 04:44:51.388 INFO running `"docker" "rm" "-f" "679336f12a191a8572e9547a01c2460ea3c4c7636b8967b7fae5832f41baf897"`
Oct 13 04:44:51.712 INFO blam! 679336f12a191a8572e9547a01c2460ea3c4c7636b8967b7fae5832f41baf897