Dec 17 22:52:46.527 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result-try against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:52:46.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/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-try:/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 22:52:46.747 INFO [stdout] 9eb65d1471067decc9b947a0e9b39d39f539861bf72d9c9788c004d6309b232e
Dec 17 22:52:46.750 INFO running `"docker" "start" "-a" "9eb65d1471067decc9b947a0e9b39d39f539861bf72d9c9788c004d6309b232e"`
Dec 17 22:52:47.293 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std-result-try v0.1.0 (/opt/crater/workdir)
Dec 17 22:52:47.451 INFO [stderr] warning: enum is never used: `MathError`
Dec 17 22:52:47.451 INFO [stderr]  --> src/main.rs:3:5
Dec 17 22:52:47.451 INFO [stderr]   |
Dec 17 22:52:47.451 INFO [stderr] 3 |     enum MathError {
Dec 17 22:52:47.451 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 17 22:52:47.451 INFO [stderr]   |
Dec 17 22:52:47.451 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:52:47.451 INFO [stderr] 
Dec 17 22:52:47.451 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 17 22:52:47.451 INFO [stderr]  --> src/main.rs:9:5
Dec 17 22:52:47.451 INFO [stderr]   |
Dec 17 22:52:47.451 INFO [stderr] 9 |     type MathResult = Result<f64, MathError>;
Dec 17 22:52:47.451 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.451 INFO [stderr] 
Dec 17 22:52:47.451 INFO [stderr] warning: function is never used: `div`
Dec 17 22:52:47.451 INFO [stderr]   --> src/main.rs:11:5
Dec 17 22:52:47.451 INFO [stderr]    |
Dec 17 22:52:47.451 INFO [stderr] 11 |     fn div(x: f64, y: f64) -> MathResult {
Dec 17 22:52:47.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.451 INFO [stderr] 
Dec 17 22:52:47.451 INFO [stderr] warning: function is never used: `sqrt`
Dec 17 22:52:47.451 INFO [stderr]   --> src/main.rs:19:5
Dec 17 22:52:47.451 INFO [stderr]    |
Dec 17 22:52:47.451 INFO [stderr] 19 |     fn sqrt(x: f64) -> MathResult {
Dec 17 22:52:47.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.451 INFO [stderr] 
Dec 17 22:52:47.451 INFO [stderr] warning: function is never used: `ln`
Dec 17 22:52:47.451 INFO [stderr]   --> src/main.rs:27:5
Dec 17 22:52:47.451 INFO [stderr]    |
Dec 17 22:52:47.451 INFO [stderr] 27 |     fn ln(x: f64) -> MathResult {
Dec 17 22:52:47.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.451 INFO [stderr] 
Dec 17 22:52:47.451 INFO [stderr] warning: function is never used: `op_`
Dec 17 22:52:47.451 INFO [stderr]   --> src/main.rs:36:5
Dec 17 22:52:47.451 INFO [stderr]    |
Dec 17 22:52:47.451 INFO [stderr] 36 |     fn op_(x: f64, y: f64) -> MathResult {
Dec 17 22:52:47.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.452 INFO [stderr] 
Dec 17 22:52:47.452 INFO [stderr] warning: function is never used: `op`
Dec 17 22:52:47.452 INFO [stderr]   --> src/main.rs:46:5
Dec 17 22:52:47.452 INFO [stderr]    |
Dec 17 22:52:47.452 INFO [stderr] 46 |     pub fn op(x: f64, y: f64) {
Dec 17 22:52:47.452 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.452 INFO [stderr] 
Dec 17 22:52:47.455 INFO [stderr] warning: enum is never used: `MathError`
Dec 17 22:52:47.455 INFO [stderr]  --> src/main.rs:3:5
Dec 17 22:52:47.455 INFO [stderr]   |
Dec 17 22:52:47.455 INFO [stderr] 3 |     enum MathError {
Dec 17 22:52:47.455 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 17 22:52:47.455 INFO [stderr]   |
Dec 17 22:52:47.455 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:52:47.455 INFO [stderr] 
Dec 17 22:52:47.455 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 17 22:52:47.455 INFO [stderr]  --> src/main.rs:9:5
Dec 17 22:52:47.455 INFO [stderr]   |
Dec 17 22:52:47.455 INFO [stderr] 9 |     type MathResult = Result<f64, MathError>;
Dec 17 22:52:47.455 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.455 INFO [stderr] 
Dec 17 22:52:47.455 INFO [stderr] warning: function is never used: `div`
Dec 17 22:52:47.455 INFO [stderr]   --> src/main.rs:11:5
Dec 17 22:52:47.455 INFO [stderr]    |
Dec 17 22:52:47.455 INFO [stderr] 11 |     fn div(x: f64, y: f64) -> MathResult {
Dec 17 22:52:47.455 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.455 INFO [stderr] 
Dec 17 22:52:47.455 INFO [stderr] warning: function is never used: `sqrt`
Dec 17 22:52:47.455 INFO [stderr]   --> src/main.rs:19:5
Dec 17 22:52:47.455 INFO [stderr]    |
Dec 17 22:52:47.455 INFO [stderr] 19 |     fn sqrt(x: f64) -> MathResult {
Dec 17 22:52:47.455 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.455 INFO [stderr] 
Dec 17 22:52:47.455 INFO [stderr] warning: function is never used: `ln`
Dec 17 22:52:47.455 INFO [stderr]   --> src/main.rs:27:5
Dec 17 22:52:47.455 INFO [stderr]    |
Dec 17 22:52:47.455 INFO [stderr] 27 |     fn ln(x: f64) -> MathResult {
Dec 17 22:52:47.455 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.455 INFO [stderr] 
Dec 17 22:52:47.455 INFO [stderr] warning: function is never used: `op_`
Dec 17 22:52:47.455 INFO [stderr]   --> src/main.rs:36:5
Dec 17 22:52:47.455 INFO [stderr]    |
Dec 17 22:52:47.455 INFO [stderr] 36 |     fn op_(x: f64, y: f64) -> MathResult {
Dec 17 22:52:47.455 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.455 INFO [stderr] 
Dec 17 22:52:47.455 INFO [stderr] warning: function is never used: `op`
Dec 17 22:52:47.455 INFO [stderr]   --> src/main.rs:46:5
Dec 17 22:52:47.455 INFO [stderr]    |
Dec 17 22:52:47.455 INFO [stderr] 46 |     pub fn op(x: f64, y: f64) {
Dec 17 22:52:47.455 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:52:47.455 INFO [stderr] 
Dec 17 22:52:47.465 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
Dec 17 22:52:47.700 INFO running `"docker" "inspect" "9eb65d1471067decc9b947a0e9b39d39f539861bf72d9c9788c004d6309b232e"`
Dec 17 22:52:47.767 INFO running `"docker" "rm" "-f" "9eb65d1471067decc9b947a0e9b39d39f539861bf72d9c9788c004d6309b232e"`
Dec 17 22:52:47.859 INFO [stdout] 9eb65d1471067decc9b947a0e9b39d39f539861bf72d9c9788c004d6309b232e