Dec 17 22:52:47.724 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:52:47.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:52:47.942 INFO [stdout] cf2f2c8cc58f262bed1627eb3359e75f91f40d78606b1f96349f5d44569d67fe
Dec 17 22:52:47.944 INFO running `"docker" "start" "-a" "cf2f2c8cc58f262bed1627eb3359e75f91f40d78606b1f96349f5d44569d67fe"`
Dec 17 22:52:48.440 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std-result v0.1.0 (/opt/crater/workdir)
Dec 17 22:52:48.620 INFO [stderr] warning: enum is never used: `MathError`
Dec 17 22:52:48.620 INFO [stderr]  --> src/main.rs:4:5
Dec 17 22:52:48.620 INFO [stderr]   |
Dec 17 22:52:48.620 INFO [stderr] 4 |     pub enum MathError {
Dec 17 22:52:48.620 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.620 INFO [stderr]   |
Dec 17 22:52:48.620 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:52:48.620 INFO [stderr] 
Dec 17 22:52:48.620 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 17 22:52:48.620 INFO [stderr]   --> src/main.rs:10:5
Dec 17 22:52:48.620 INFO [stderr]    |
Dec 17 22:52:48.620 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Dec 17 22:52:48.620 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.620 INFO [stderr] 
Dec 17 22:52:48.620 INFO [stderr] warning: function is never used: `div`
Dec 17 22:52:48.620 INFO [stderr]   --> src/main.rs:12:5
Dec 17 22:52:48.620 INFO [stderr]    |
Dec 17 22:52:48.620 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Dec 17 22:52:48.620 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.620 INFO [stderr] 
Dec 17 22:52:48.620 INFO [stderr] warning: function is never used: `sqrt`
Dec 17 22:52:48.620 INFO [stderr]   --> src/main.rs:23:5
Dec 17 22:52:48.620 INFO [stderr]    |
Dec 17 22:52:48.620 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Dec 17 22:52:48.620 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.620 INFO [stderr] 
Dec 17 22:52:48.620 INFO [stderr] warning: function is never used: `ln`
Dec 17 22:52:48.620 INFO [stderr]   --> src/main.rs:31:5
Dec 17 22:52:48.620 INFO [stderr]    |
Dec 17 22:52:48.620 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Dec 17 22:52:48.620 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.620 INFO [stderr] 
Dec 17 22:52:48.620 INFO [stderr] warning: function is never used: `op`
Dec 17 22:52:48.620 INFO [stderr]   --> src/main.rs:41:1
Dec 17 22:52:48.620 INFO [stderr]    |
Dec 17 22:52:48.620 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Dec 17 22:52:48.620 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.620 INFO [stderr] 
Dec 17 22:52:48.620 INFO [stderr] warning: enum is never used: `MathError`
Dec 17 22:52:48.620 INFO [stderr]  --> src/main.rs:4:5
Dec 17 22:52:48.620 INFO [stderr]   |
Dec 17 22:52:48.620 INFO [stderr] 4 |     pub enum MathError {
Dec 17 22:52:48.620 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.620 INFO [stderr]   |
Dec 17 22:52:48.620 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:52:48.620 INFO [stderr] 
Dec 17 22:52:48.620 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 17 22:52:48.620 INFO [stderr]   --> src/main.rs:10:5
Dec 17 22:52:48.620 INFO [stderr]    |
Dec 17 22:52:48.620 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Dec 17 22:52:48.620 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.620 INFO [stderr] 
Dec 17 22:52:48.621 INFO [stderr] warning: function is never used: `div`
Dec 17 22:52:48.621 INFO [stderr]   --> src/main.rs:12:5
Dec 17 22:52:48.621 INFO [stderr]    |
Dec 17 22:52:48.621 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Dec 17 22:52:48.621 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.621 INFO [stderr] 
Dec 17 22:52:48.621 INFO [stderr] warning: function is never used: `sqrt`
Dec 17 22:52:48.621 INFO [stderr]   --> src/main.rs:23:5
Dec 17 22:52:48.621 INFO [stderr]    |
Dec 17 22:52:48.621 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Dec 17 22:52:48.621 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.621 INFO [stderr] 
Dec 17 22:52:48.621 INFO [stderr] warning: function is never used: `ln`
Dec 17 22:52:48.621 INFO [stderr]   --> src/main.rs:31:5
Dec 17 22:52:48.621 INFO [stderr]    |
Dec 17 22:52:48.621 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Dec 17 22:52:48.621 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.621 INFO [stderr] 
Dec 17 22:52:48.621 INFO [stderr] warning: function is never used: `op`
Dec 17 22:52:48.621 INFO [stderr]   --> src/main.rs:41:1
Dec 17 22:52:48.621 INFO [stderr]    |
Dec 17 22:52:48.621 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Dec 17 22:52:48.621 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:48.621 INFO [stderr] 
Dec 17 22:52:48.648 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
Dec 17 22:52:48.918 INFO running `"docker" "inspect" "cf2f2c8cc58f262bed1627eb3359e75f91f40d78606b1f96349f5d44569d67fe"`
Dec 17 22:52:48.997 INFO running `"docker" "rm" "-f" "cf2f2c8cc58f262bed1627eb3359e75f91f40d78606b1f96349f5d44569d67fe"`
Dec 17 22:52:49.076 INFO [stdout] cf2f2c8cc58f262bed1627eb3359e75f91f40d78606b1f96349f5d44569d67fe