Nov 04 05:35:21.922 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 05:35:21.922 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 04 05:35:22.126 INFO blam! 370b60841c0cc72de4c422060a8ba59ff14fbc500633f5fb034405ee7fccdb19
Nov 04 05:35:22.128 INFO running `"docker" "start" "-a" "370b60841c0cc72de4c422060a8ba59ff14fbc500633f5fb034405ee7fccdb19"`
Nov 04 05:35:22.659 INFO kablam! usermod: no changes
Nov 04 05:35:22.683 INFO kablam!     Checking example-x-rust-x-rustbyexample-com-x-std-result v0.1.0 (/source)
Nov 04 05:35:22.994 INFO kablam! warning: enum is never used: `MathError`
Nov 04 05:35:22.994 INFO kablam!  --> src/main.rs:4:5
Nov 04 05:35:22.994 INFO kablam!   |
Nov 04 05:35:22.994 INFO kablam! 4 |     pub enum MathError {
Nov 04 05:35:22.994 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 04 05:35:22.994 INFO kablam!   |
Nov 04 05:35:22.994 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 05:35:22.994 INFO kablam! 
Nov 04 05:35:22.994 INFO kablam! warning: type alias is never used: `MathResult`
Nov 04 05:35:22.994 INFO kablam!   --> src/main.rs:10:5
Nov 04 05:35:22.994 INFO kablam!    |
Nov 04 05:35:22.994 INFO kablam! 10 |     pub type MathResult = Result<f64, MathError>;
Nov 04 05:35:22.994 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:22.994 INFO kablam! 
Nov 04 05:35:22.994 INFO kablam! warning: function is never used: `div`
Nov 04 05:35:22.994 INFO kablam!   --> src/main.rs:12:5
Nov 04 05:35:22.994 INFO kablam!    |
Nov 04 05:35:22.994 INFO kablam! 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Nov 04 05:35:22.994 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:22.994 INFO kablam! 
Nov 04 05:35:22.994 INFO kablam! warning: function is never used: `sqrt`
Nov 04 05:35:22.994 INFO kablam!   --> src/main.rs:23:5
Nov 04 05:35:22.994 INFO kablam!    |
Nov 04 05:35:22.994 INFO kablam! 23 |     pub fn sqrt(x: f64) -> MathResult {
Nov 04 05:35:22.994 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:22.994 INFO kablam! 
Nov 04 05:35:22.994 INFO kablam! warning: function is never used: `ln`
Nov 04 05:35:22.994 INFO kablam!   --> src/main.rs:31:5
Nov 04 05:35:22.994 INFO kablam!    |
Nov 04 05:35:22.994 INFO kablam! 31 |     pub fn ln(x: f64) -> MathResult {
Nov 04 05:35:22.994 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:22.994 INFO kablam! 
Nov 04 05:35:22.994 INFO kablam! warning: function is never used: `op`
Nov 04 05:35:22.994 INFO kablam!   --> src/main.rs:41:1
Nov 04 05:35:22.994 INFO kablam!    |
Nov 04 05:35:22.994 INFO kablam! 41 | fn op(x: f64, y: f64) -> f64 {
Nov 04 05:35:22.994 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:22.994 INFO kablam! 
Nov 04 05:35:23.035 INFO kablam! warning: enum is never used: `MathError`
Nov 04 05:35:23.035 INFO kablam!  --> src/main.rs:4:5
Nov 04 05:35:23.035 INFO kablam!   |
Nov 04 05:35:23.036 INFO kablam! 4 |     pub enum MathError {
Nov 04 05:35:23.036 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 04 05:35:23.036 INFO kablam!   |
Nov 04 05:35:23.037 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 05:35:23.037 INFO kablam! 
Nov 04 05:35:23.037 INFO kablam! warning: type alias is never used: `MathResult`
Nov 04 05:35:23.037 INFO kablam!   --> src/main.rs:10:5
Nov 04 05:35:23.038 INFO kablam!    |
Nov 04 05:35:23.038 INFO kablam! 10 |     pub type MathResult = Result<f64, MathError>;
Nov 04 05:35:23.038 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:23.039 INFO kablam! 
Nov 04 05:35:23.039 INFO kablam! warning: function is never used: `div`
Nov 04 05:35:23.039 INFO kablam!   --> src/main.rs:12:5
Nov 04 05:35:23.039 INFO kablam!    |
Nov 04 05:35:23.040 INFO kablam! 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Nov 04 05:35:23.040 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:23.040 INFO kablam! 
Nov 04 05:35:23.041 INFO kablam! warning: function is never used: `sqrt`
Nov 04 05:35:23.041 INFO kablam!   --> src/main.rs:23:5
Nov 04 05:35:23.041 INFO kablam!    |
Nov 04 05:35:23.041 INFO kablam! 23 |     pub fn sqrt(x: f64) -> MathResult {
Nov 04 05:35:23.042 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:23.042 INFO kablam! 
Nov 04 05:35:23.042 INFO kablam! warning: function is never used: `ln`
Nov 04 05:35:23.042 INFO kablam!   --> src/main.rs:31:5
Nov 04 05:35:23.043 INFO kablam!    |
Nov 04 05:35:23.043 INFO kablam! 31 |     pub fn ln(x: f64) -> MathResult {
Nov 04 05:35:23.043 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:23.043 INFO kablam! 
Nov 04 05:35:23.043 INFO kablam! warning: function is never used: `op`
Nov 04 05:35:23.044 INFO kablam!   --> src/main.rs:41:1
Nov 04 05:35:23.044 INFO kablam!    |
Nov 04 05:35:23.044 INFO kablam! 41 | fn op(x: f64, y: f64) -> f64 {
Nov 04 05:35:23.044 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:35:23.045 INFO kablam! 
Nov 04 05:35:23.046 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Nov 04 05:35:23.051 INFO kablam! su: No module specific data is present
Nov 04 05:35:23.386 INFO running `"docker" "rm" "-f" "370b60841c0cc72de4c422060a8ba59ff14fbc500633f5fb034405ee7fccdb19"`
Nov 04 05:35:23.488 INFO blam! 370b60841c0cc72de4c422060a8ba59ff14fbc500633f5fb034405ee7fccdb19