Dec 17 22:52:47.708 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:52:47.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-result:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:52:47.906 INFO [stdout] 2273c6833d2222116f1764859da24ec610a762cdd5cc1acf6c078e1af7c51ae7
Dec 17 22:52:47.907 INFO running `"docker" "start" "-a" "2273c6833d2222116f1764859da24ec610a762cdd5cc1acf6c078e1af7c51ae7"`
Dec 17 22:52:48.377 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std-result v0.1.0 (/opt/crater/workdir)
Dec 17 22:52:48.535 INFO [stderr] warning: enum is never used: `MathError`
Dec 17 22:52:48.535 INFO [stderr]  --> src/main.rs:4:5
Dec 17 22:52:48.535 INFO [stderr]   |
Dec 17 22:52:48.535 INFO [stderr] 4 |     pub enum MathError {
Dec 17 22:52:48.535 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.535 INFO [stderr]   |
Dec 17 22:52:48.535 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:52:48.535 INFO [stderr] 
Dec 17 22:52:48.535 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 17 22:52:48.535 INFO [stderr]   --> src/main.rs:10:5
Dec 17 22:52:48.535 INFO [stderr]    |
Dec 17 22:52:48.535 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Dec 17 22:52:48.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.535 INFO [stderr] 
Dec 17 22:52:48.535 INFO [stderr] warning: function is never used: `div`
Dec 17 22:52:48.535 INFO [stderr]   --> src/main.rs:12:5
Dec 17 22:52:48.535 INFO [stderr]    |
Dec 17 22:52:48.535 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Dec 17 22:52:48.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.535 INFO [stderr] 
Dec 17 22:52:48.535 INFO [stderr] warning: function is never used: `sqrt`
Dec 17 22:52:48.535 INFO [stderr]   --> src/main.rs:23:5
Dec 17 22:52:48.535 INFO [stderr]    |
Dec 17 22:52:48.535 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Dec 17 22:52:48.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.535 INFO [stderr] 
Dec 17 22:52:48.535 INFO [stderr] warning: function is never used: `ln`
Dec 17 22:52:48.535 INFO [stderr]   --> src/main.rs:31:5
Dec 17 22:52:48.535 INFO [stderr]    |
Dec 17 22:52:48.535 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Dec 17 22:52:48.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.535 INFO [stderr] 
Dec 17 22:52:48.535 INFO [stderr] warning: function is never used: `op`
Dec 17 22:52:48.535 INFO [stderr]   --> src/main.rs:41:1
Dec 17 22:52:48.535 INFO [stderr]    |
Dec 17 22:52:48.535 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Dec 17 22:52:48.535 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.535 INFO [stderr] 
Dec 17 22:52:48.562 INFO [stderr] warning: enum is never used: `MathError`
Dec 17 22:52:48.562 INFO [stderr]  --> src/main.rs:4:5
Dec 17 22:52:48.562 INFO [stderr]   |
Dec 17 22:52:48.562 INFO [stderr] 4 |     pub enum MathError {
Dec 17 22:52:48.562 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.562 INFO [stderr]   |
Dec 17 22:52:48.562 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:52:48.562 INFO [stderr] 
Dec 17 22:52:48.562 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 17 22:52:48.562 INFO [stderr]   --> src/main.rs:10:5
Dec 17 22:52:48.562 INFO [stderr]    |
Dec 17 22:52:48.562 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Dec 17 22:52:48.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.562 INFO [stderr] 
Dec 17 22:52:48.562 INFO [stderr] warning: function is never used: `div`
Dec 17 22:52:48.562 INFO [stderr]   --> src/main.rs:12:5
Dec 17 22:52:48.562 INFO [stderr]    |
Dec 17 22:52:48.562 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Dec 17 22:52:48.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.562 INFO [stderr] 
Dec 17 22:52:48.562 INFO [stderr] warning: function is never used: `sqrt`
Dec 17 22:52:48.562 INFO [stderr]   --> src/main.rs:23:5
Dec 17 22:52:48.562 INFO [stderr]    |
Dec 17 22:52:48.562 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Dec 17 22:52:48.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.562 INFO [stderr] 
Dec 17 22:52:48.562 INFO [stderr] warning: function is never used: `ln`
Dec 17 22:52:48.562 INFO [stderr]   --> src/main.rs:31:5
Dec 17 22:52:48.562 INFO [stderr]    |
Dec 17 22:52:48.562 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Dec 17 22:52:48.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.562 INFO [stderr] 
Dec 17 22:52:48.562 INFO [stderr] warning: function is never used: `op`
Dec 17 22:52:48.562 INFO [stderr]   --> src/main.rs:41:1
Dec 17 22:52:48.562 INFO [stderr]    |
Dec 17 22:52:48.562 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Dec 17 22:52:48.562 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.562 INFO [stderr] 
Dec 17 22:52:48.596 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
Dec 17 22:52:48.880 INFO running `"docker" "inspect" "2273c6833d2222116f1764859da24ec610a762cdd5cc1acf6c078e1af7c51ae7"`
Dec 17 22:52:48.967 INFO running `"docker" "rm" "-f" "2273c6833d2222116f1764859da24ec610a762cdd5cc1acf6c078e1af7c51ae7"`
Dec 17 22:52:49.049 INFO [stdout] 2273c6833d2222116f1764859da24ec610a762cdd5cc1acf6c078e1af7c51ae7