Dec 11 16:57:26.059 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:57:26.059 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 16:57:26.338 INFO [stdout] 1b6b6862c1b4ab2168c30128b500d86b5301b0fce7324afa87b39b2c908c1465
Dec 11 16:57:26.340 INFO running `"docker" "start" "-a" "1b6b6862c1b4ab2168c30128b500d86b5301b0fce7324afa87b39b2c908c1465"`
Dec 11 16:57:26.651 INFO [stderr] usermod: no changes
Dec 11 16:57:26.679 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std-result v0.1.0 (/source)
Dec 11 16:57:26.947 INFO [stderr] warning: enum is never used: `MathError`
Dec 11 16:57:26.947 INFO [stderr]  --> src/main.rs:4:5
Dec 11 16:57:26.948 INFO [stderr]   |
Dec 11 16:57:26.948 INFO [stderr] 4 |     pub enum MathError {
Dec 11 16:57:26.948 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 16:57:26.948 INFO [stderr]   |
Dec 11 16:57:26.948 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:57:26.949 INFO [stderr] 
Dec 11 16:57:26.949 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 11 16:57:26.949 INFO [stderr]   --> src/main.rs:10:5
Dec 11 16:57:26.949 INFO [stderr]    |
Dec 11 16:57:26.949 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Dec 11 16:57:26.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:26.949 INFO [stderr] 
Dec 11 16:57:26.949 INFO [stderr] warning: function is never used: `div`
Dec 11 16:57:26.949 INFO [stderr]   --> src/main.rs:12:5
Dec 11 16:57:26.949 INFO [stderr]    |
Dec 11 16:57:26.949 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Dec 11 16:57:26.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:26.949 INFO [stderr] 
Dec 11 16:57:26.949 INFO [stderr] warning: function is never used: `sqrt`
Dec 11 16:57:26.949 INFO [stderr]   --> src/main.rs:23:5
Dec 11 16:57:26.949 INFO [stderr]    |
Dec 11 16:57:26.949 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Dec 11 16:57:26.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:26.949 INFO [stderr] 
Dec 11 16:57:26.949 INFO [stderr] warning: function is never used: `ln`
Dec 11 16:57:26.949 INFO [stderr]   --> src/main.rs:31:5
Dec 11 16:57:26.949 INFO [stderr]    |
Dec 11 16:57:26.949 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Dec 11 16:57:26.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:26.950 INFO [stderr] 
Dec 11 16:57:26.950 INFO [stderr] warning: function is never used: `op`
Dec 11 16:57:26.950 INFO [stderr]   --> src/main.rs:41:1
Dec 11 16:57:26.950 INFO [stderr]    |
Dec 11 16:57:26.950 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Dec 11 16:57:26.950 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:26.950 INFO [stderr] 
Dec 11 16:57:27.021 INFO [stderr] warning: enum is never used: `MathError`
Dec 11 16:57:27.021 INFO [stderr]  --> src/main.rs:4:5
Dec 11 16:57:27.021 INFO [stderr]   |
Dec 11 16:57:27.021 INFO [stderr] 4 |     pub enum MathError {
Dec 11 16:57:27.021 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 16:57:27.021 INFO [stderr]   |
Dec 11 16:57:27.021 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:57:27.021 INFO [stderr] 
Dec 11 16:57:27.021 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 11 16:57:27.021 INFO [stderr]   --> src/main.rs:10:5
Dec 11 16:57:27.021 INFO [stderr]    |
Dec 11 16:57:27.021 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Dec 11 16:57:27.021 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:27.021 INFO [stderr] 
Dec 11 16:57:27.021 INFO [stderr] warning: function is never used: `div`
Dec 11 16:57:27.021 INFO [stderr]   --> src/main.rs:12:5
Dec 11 16:57:27.021 INFO [stderr]    |
Dec 11 16:57:27.021 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Dec 11 16:57:27.021 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:27.021 INFO [stderr] 
Dec 11 16:57:27.021 INFO [stderr] warning: function is never used: `sqrt`
Dec 11 16:57:27.021 INFO [stderr]   --> src/main.rs:23:5
Dec 11 16:57:27.021 INFO [stderr]    |
Dec 11 16:57:27.021 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Dec 11 16:57:27.021 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:27.021 INFO [stderr] 
Dec 11 16:57:27.021 INFO [stderr] warning: function is never used: `ln`
Dec 11 16:57:27.021 INFO [stderr]   --> src/main.rs:31:5
Dec 11 16:57:27.021 INFO [stderr]    |
Dec 11 16:57:27.021 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Dec 11 16:57:27.021 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:27.021 INFO [stderr] 
Dec 11 16:57:27.021 INFO [stderr] warning: function is never used: `op`
Dec 11 16:57:27.021 INFO [stderr]   --> src/main.rs:41:1
Dec 11 16:57:27.021 INFO [stderr]    |
Dec 11 16:57:27.021 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Dec 11 16:57:27.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:57:27.021 INFO [stderr] 
Dec 11 16:57:27.022 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 11 16:57:27.024 INFO [stderr] su: No module specific data is present
Dec 11 16:57:27.249 INFO running `"docker" "inspect" "1b6b6862c1b4ab2168c30128b500d86b5301b0fce7324afa87b39b2c908c1465"`
Dec 11 16:57:27.360 INFO running `"docker" "rm" "-f" "1b6b6862c1b4ab2168c30128b500d86b5301b0fce7324afa87b39b2c908c1465"`
Dec 11 16:57:27.504 INFO [stdout] 1b6b6862c1b4ab2168c30128b500d86b5301b0fce7324afa87b39b2c908c1465