Nov 06 20:33:59.147 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 20:33:59.147 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-5/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 20:33:59.309 INFO blam! a7b7856e82f8235b6375589873a11c933a3bffdc668d248b94fd051fb3bfc399
Nov 06 20:33:59.315 INFO running `"docker" "start" "-a" "a7b7856e82f8235b6375589873a11c933a3bffdc668d248b94fd051fb3bfc399"`
Nov 06 20:33:59.720 INFO kablam! usermod: no changes
Nov 06 20:33:59.750 INFO kablam!     Checking example-x-rust-x-rustbyexample-com-x-std-result v0.1.0 (/source)
Nov 06 20:33:59.990 INFO kablam! warning: enum is never used: `MathError`
Nov 06 20:33:59.991 INFO kablam!  --> src/main.rs:4:5
Nov 06 20:33:59.991 INFO kablam!   |
Nov 06 20:33:59.991 INFO kablam! 4 |     pub enum MathError {
Nov 06 20:33:59.991 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 06 20:33:59.991 INFO kablam!   |
Nov 06 20:33:59.991 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 20:33:59.991 INFO kablam! 
Nov 06 20:33:59.991 INFO kablam! warning: type alias is never used: `MathResult`
Nov 06 20:33:59.991 INFO kablam!   --> src/main.rs:10:5
Nov 06 20:33:59.991 INFO kablam!    |
Nov 06 20:33:59.991 INFO kablam! 10 |     pub type MathResult = Result<f64, MathError>;
Nov 06 20:33:59.991 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:33:59.991 INFO kablam! 
Nov 06 20:33:59.991 INFO kablam! warning: function is never used: `div`
Nov 06 20:33:59.991 INFO kablam!   --> src/main.rs:12:5
Nov 06 20:33:59.991 INFO kablam!    |
Nov 06 20:33:59.991 INFO kablam! 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Nov 06 20:33:59.991 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:33:59.991 INFO kablam! 
Nov 06 20:33:59.991 INFO kablam! warning: function is never used: `sqrt`
Nov 06 20:33:59.991 INFO kablam!   --> src/main.rs:23:5
Nov 06 20:33:59.991 INFO kablam!    |
Nov 06 20:33:59.991 INFO kablam! 23 |     pub fn sqrt(x: f64) -> MathResult {
Nov 06 20:33:59.991 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:33:59.991 INFO kablam! 
Nov 06 20:33:59.991 INFO kablam! warning: function is never used: `ln`
Nov 06 20:33:59.991 INFO kablam!   --> src/main.rs:31:5
Nov 06 20:33:59.991 INFO kablam!    |
Nov 06 20:33:59.991 INFO kablam! 31 |     pub fn ln(x: f64) -> MathResult {
Nov 06 20:33:59.991 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:33:59.991 INFO kablam! 
Nov 06 20:33:59.991 INFO kablam! warning: function is never used: `op`
Nov 06 20:33:59.991 INFO kablam!   --> src/main.rs:41:1
Nov 06 20:33:59.991 INFO kablam!    |
Nov 06 20:33:59.991 INFO kablam! 41 | fn op(x: f64, y: f64) -> f64 {
Nov 06 20:33:59.991 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:33:59.991 INFO kablam! 
Nov 06 20:34:00.044 INFO kablam! warning: enum is never used: `MathError`
Nov 06 20:34:00.044 INFO kablam!  --> src/main.rs:4:5
Nov 06 20:34:00.044 INFO kablam!   |
Nov 06 20:34:00.044 INFO kablam! 4 |     pub enum MathError {
Nov 06 20:34:00.044 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 06 20:34:00.044 INFO kablam!   |
Nov 06 20:34:00.044 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 20:34:00.044 INFO kablam! 
Nov 06 20:34:00.044 INFO kablam! warning: type alias is never used: `MathResult`
Nov 06 20:34:00.044 INFO kablam!   --> src/main.rs:10:5
Nov 06 20:34:00.044 INFO kablam!    |
Nov 06 20:34:00.044 INFO kablam! 10 |     pub type MathResult = Result<f64, MathError>;
Nov 06 20:34:00.044 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:34:00.044 INFO kablam! 
Nov 06 20:34:00.044 INFO kablam! warning: function is never used: `div`
Nov 06 20:34:00.044 INFO kablam!   --> src/main.rs:12:5
Nov 06 20:34:00.044 INFO kablam!    |
Nov 06 20:34:00.044 INFO kablam! 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Nov 06 20:34:00.044 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:34:00.044 INFO kablam! 
Nov 06 20:34:00.044 INFO kablam! warning: function is never used: `sqrt`
Nov 06 20:34:00.044 INFO kablam!   --> src/main.rs:23:5
Nov 06 20:34:00.044 INFO kablam!    |
Nov 06 20:34:00.044 INFO kablam! 23 |     pub fn sqrt(x: f64) -> MathResult {
Nov 06 20:34:00.044 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:34:00.044 INFO kablam! 
Nov 06 20:34:00.044 INFO kablam! warning: function is never used: `ln`
Nov 06 20:34:00.044 INFO kablam!   --> src/main.rs:31:5
Nov 06 20:34:00.044 INFO kablam!    |
Nov 06 20:34:00.044 INFO kablam! 31 |     pub fn ln(x: f64) -> MathResult {
Nov 06 20:34:00.044 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:34:00.044 INFO kablam! 
Nov 06 20:34:00.044 INFO kablam! warning: function is never used: `op`
Nov 06 20:34:00.044 INFO kablam!   --> src/main.rs:41:1
Nov 06 20:34:00.044 INFO kablam!    |
Nov 06 20:34:00.044 INFO kablam! 41 | fn op(x: f64, y: f64) -> f64 {
Nov 06 20:34:00.044 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:34:00.044 INFO kablam! 
Nov 06 20:34:00.049 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Nov 06 20:34:00.051 INFO kablam! su: No module specific data is present
Nov 06 20:34:00.284 INFO running `"docker" "rm" "-f" "a7b7856e82f8235b6375589873a11c933a3bffdc668d248b94fd051fb3bfc399"`
Nov 06 20:34:00.406 INFO blam! a7b7856e82f8235b6375589873a11c933a3bffdc668d248b94fd051fb3bfc399