Dec 04 17:13:02.353 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:13:02.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 17:13:02.607 INFO [stdout] bfceb5ea4814b8f20f058e0e1a5a29649b3233d851462225996783f88c86355f
Dec 04 17:13:02.609 INFO running `"docker" "start" "-a" "bfceb5ea4814b8f20f058e0e1a5a29649b3233d851462225996783f88c86355f"`
Dec 04 17:13:03.027 INFO [stderr] usermod: no changes
Dec 04 17:13:03.065 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std-result v0.1.0 (/source)
Dec 04 17:13:03.331 INFO [stderr] warning: enum is never used: `MathError`
Dec 04 17:13:03.331 INFO [stderr]  --> src/main.rs:4:5
Dec 04 17:13:03.331 INFO [stderr]   |
Dec 04 17:13:03.331 INFO [stderr] 4 |     pub enum MathError {
Dec 04 17:13:03.331 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.331 INFO [stderr]   |
Dec 04 17:13:03.331 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 17:13:03.331 INFO [stderr] 
Dec 04 17:13:03.331 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 04 17:13:03.331 INFO [stderr]   --> src/main.rs:10:5
Dec 04 17:13:03.331 INFO [stderr]    |
Dec 04 17:13:03.331 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Dec 04 17:13:03.331 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.331 INFO [stderr] 
Dec 04 17:13:03.331 INFO [stderr] warning: function is never used: `div`
Dec 04 17:13:03.331 INFO [stderr]   --> src/main.rs:12:5
Dec 04 17:13:03.331 INFO [stderr]    |
Dec 04 17:13:03.331 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Dec 04 17:13:03.331 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.331 INFO [stderr] 
Dec 04 17:13:03.331 INFO [stderr] warning: function is never used: `sqrt`
Dec 04 17:13:03.331 INFO [stderr]   --> src/main.rs:23:5
Dec 04 17:13:03.331 INFO [stderr]    |
Dec 04 17:13:03.331 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Dec 04 17:13:03.331 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.331 INFO [stderr] 
Dec 04 17:13:03.331 INFO [stderr] warning: function is never used: `ln`
Dec 04 17:13:03.331 INFO [stderr]   --> src/main.rs:31:5
Dec 04 17:13:03.331 INFO [stderr]    |
Dec 04 17:13:03.331 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Dec 04 17:13:03.331 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.331 INFO [stderr] 
Dec 04 17:13:03.331 INFO [stderr] warning: function is never used: `op`
Dec 04 17:13:03.331 INFO [stderr]   --> src/main.rs:41:1
Dec 04 17:13:03.331 INFO [stderr]    |
Dec 04 17:13:03.331 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Dec 04 17:13:03.331 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.331 INFO [stderr] 
Dec 04 17:13:03.359 INFO [stderr] warning: enum is never used: `MathError`
Dec 04 17:13:03.359 INFO [stderr]  --> src/main.rs:4:5
Dec 04 17:13:03.359 INFO [stderr]   |
Dec 04 17:13:03.359 INFO [stderr] 4 |     pub enum MathError {
Dec 04 17:13:03.359 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.359 INFO [stderr]   |
Dec 04 17:13:03.359 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 17:13:03.359 INFO [stderr] 
Dec 04 17:13:03.359 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 04 17:13:03.359 INFO [stderr]   --> src/main.rs:10:5
Dec 04 17:13:03.359 INFO [stderr]    |
Dec 04 17:13:03.359 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Dec 04 17:13:03.359 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.359 INFO [stderr] 
Dec 04 17:13:03.359 INFO [stderr] warning: function is never used: `div`
Dec 04 17:13:03.359 INFO [stderr]   --> src/main.rs:12:5
Dec 04 17:13:03.359 INFO [stderr]    |
Dec 04 17:13:03.359 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Dec 04 17:13:03.359 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.359 INFO [stderr] 
Dec 04 17:13:03.359 INFO [stderr] warning: function is never used: `sqrt`
Dec 04 17:13:03.359 INFO [stderr]   --> src/main.rs:23:5
Dec 04 17:13:03.359 INFO [stderr]    |
Dec 04 17:13:03.359 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Dec 04 17:13:03.359 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.359 INFO [stderr] 
Dec 04 17:13:03.359 INFO [stderr] warning: function is never used: `ln`
Dec 04 17:13:03.359 INFO [stderr]   --> src/main.rs:31:5
Dec 04 17:13:03.359 INFO [stderr]    |
Dec 04 17:13:03.359 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Dec 04 17:13:03.359 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.359 INFO [stderr] 
Dec 04 17:13:03.359 INFO [stderr] warning: function is never used: `op`
Dec 04 17:13:03.359 INFO [stderr]   --> src/main.rs:41:1
Dec 04 17:13:03.359 INFO [stderr]    |
Dec 04 17:13:03.359 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Dec 04 17:13:03.359 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:13:03.359 INFO [stderr] 
Dec 04 17:13:03.375 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
Dec 04 17:13:03.375 INFO [stderr] su: No module specific data is present
Dec 04 17:13:03.728 INFO running `"docker" "inspect" "bfceb5ea4814b8f20f058e0e1a5a29649b3233d851462225996783f88c86355f"`
Dec 04 17:13:03.808 INFO running `"docker" "rm" "-f" "bfceb5ea4814b8f20f058e0e1a5a29649b3233d851462225996783f88c86355f"`
Dec 04 17:13:03.998 INFO [stdout] bfceb5ea4814b8f20f058e0e1a5a29649b3233d851462225996783f88c86355f