Nov 30 01:31:01.513 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result-try against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 01:31:01.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 01:31:01.748 INFO [stdout] 883aca5c35a7f2355a677dbb9f67d6f30b79b48f65c6ffddfb45bf7fc103a58c
Nov 30 01:31:01.752 INFO running `"docker" "start" "-a" "883aca5c35a7f2355a677dbb9f67d6f30b79b48f65c6ffddfb45bf7fc103a58c"`
Nov 30 01:31:02.313 INFO [stderr] usermod: no changes
Nov 30 01:31:02.334 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std-result-try v0.1.0 (/source)
Nov 30 01:31:02.635 INFO [stderr] warning: enum is never used: `MathError`
Nov 30 01:31:02.635 INFO [stderr]  --> src/main.rs:3:5
Nov 30 01:31:02.635 INFO [stderr]   |
Nov 30 01:31:02.635 INFO [stderr] 3 |     enum MathError {
Nov 30 01:31:02.635 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 01:31:02.635 INFO [stderr]   |
Nov 30 01:31:02.635 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 01:31:02.635 INFO [stderr] 
Nov 30 01:31:02.635 INFO [stderr] warning: type alias is never used: `MathResult`
Nov 30 01:31:02.635 INFO [stderr]  --> src/main.rs:9:5
Nov 30 01:31:02.635 INFO [stderr]   |
Nov 30 01:31:02.635 INFO [stderr] 9 |     type MathResult = Result<f64, MathError>;
Nov 30 01:31:02.635 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.635 INFO [stderr] 
Nov 30 01:31:02.635 INFO [stderr] warning: function is never used: `div`
Nov 30 01:31:02.635 INFO [stderr]   --> src/main.rs:11:5
Nov 30 01:31:02.635 INFO [stderr]    |
Nov 30 01:31:02.635 INFO [stderr] 11 |     fn div(x: f64, y: f64) -> MathResult {
Nov 30 01:31:02.635 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.635 INFO [stderr] 
Nov 30 01:31:02.635 INFO [stderr] warning: function is never used: `sqrt`
Nov 30 01:31:02.635 INFO [stderr]   --> src/main.rs:19:5
Nov 30 01:31:02.636 INFO [stderr]    |
Nov 30 01:31:02.636 INFO [stderr] 19 |     fn sqrt(x: f64) -> MathResult {
Nov 30 01:31:02.636 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.636 INFO [stderr] 
Nov 30 01:31:02.636 INFO [stderr] warning: function is never used: `ln`
Nov 30 01:31:02.636 INFO [stderr]   --> src/main.rs:27:5
Nov 30 01:31:02.636 INFO [stderr]    |
Nov 30 01:31:02.636 INFO [stderr] 27 |     fn ln(x: f64) -> MathResult {
Nov 30 01:31:02.636 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.636 INFO [stderr] 
Nov 30 01:31:02.636 INFO [stderr] warning: function is never used: `op_`
Nov 30 01:31:02.636 INFO [stderr]   --> src/main.rs:36:5
Nov 30 01:31:02.636 INFO [stderr]    |
Nov 30 01:31:02.636 INFO [stderr] 36 |     fn op_(x: f64, y: f64) -> MathResult {
Nov 30 01:31:02.636 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.636 INFO [stderr] 
Nov 30 01:31:02.636 INFO [stderr] warning: function is never used: `op`
Nov 30 01:31:02.636 INFO [stderr]   --> src/main.rs:46:5
Nov 30 01:31:02.636 INFO [stderr]    |
Nov 30 01:31:02.636 INFO [stderr] 46 |     pub fn op(x: f64, y: f64) {
Nov 30 01:31:02.636 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.636 INFO [stderr] 
Nov 30 01:31:02.646 INFO [stderr] warning: enum is never used: `MathError`
Nov 30 01:31:02.646 INFO [stderr]  --> src/main.rs:3:5
Nov 30 01:31:02.646 INFO [stderr]   |
Nov 30 01:31:02.646 INFO [stderr] 3 |     enum MathError {
Nov 30 01:31:02.646 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 01:31:02.646 INFO [stderr]   |
Nov 30 01:31:02.646 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 01:31:02.646 INFO [stderr] 
Nov 30 01:31:02.646 INFO [stderr] warning: type alias is never used: `MathResult`
Nov 30 01:31:02.646 INFO [stderr]  --> src/main.rs:9:5
Nov 30 01:31:02.646 INFO [stderr]   |
Nov 30 01:31:02.646 INFO [stderr] 9 |     type MathResult = Result<f64, MathError>;
Nov 30 01:31:02.646 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.646 INFO [stderr] 
Nov 30 01:31:02.646 INFO [stderr] warning: function is never used: `div`
Nov 30 01:31:02.646 INFO [stderr]   --> src/main.rs:11:5
Nov 30 01:31:02.647 INFO [stderr]    |
Nov 30 01:31:02.647 INFO [stderr] 11 |     fn div(x: f64, y: f64) -> MathResult {
Nov 30 01:31:02.647 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.647 INFO [stderr] 
Nov 30 01:31:02.647 INFO [stderr] warning: function is never used: `sqrt`
Nov 30 01:31:02.647 INFO [stderr]   --> src/main.rs:19:5
Nov 30 01:31:02.647 INFO [stderr]    |
Nov 30 01:31:02.647 INFO [stderr] 19 |     fn sqrt(x: f64) -> MathResult {
Nov 30 01:31:02.647 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.647 INFO [stderr] 
Nov 30 01:31:02.647 INFO [stderr] warning: function is never used: `ln`
Nov 30 01:31:02.647 INFO [stderr]   --> src/main.rs:27:5
Nov 30 01:31:02.647 INFO [stderr]    |
Nov 30 01:31:02.647 INFO [stderr] 27 |     fn ln(x: f64) -> MathResult {
Nov 30 01:31:02.647 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.647 INFO [stderr] 
Nov 30 01:31:02.647 INFO [stderr] warning: function is never used: `op_`
Nov 30 01:31:02.647 INFO [stderr]   --> src/main.rs:36:5
Nov 30 01:31:02.647 INFO [stderr]    |
Nov 30 01:31:02.647 INFO [stderr] 36 |     fn op_(x: f64, y: f64) -> MathResult {
Nov 30 01:31:02.647 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.647 INFO [stderr] 
Nov 30 01:31:02.647 INFO [stderr] warning: function is never used: `op`
Nov 30 01:31:02.647 INFO [stderr]   --> src/main.rs:46:5
Nov 30 01:31:02.647 INFO [stderr]    |
Nov 30 01:31:02.647 INFO [stderr] 46 |     pub fn op(x: f64, y: f64) {
Nov 30 01:31:02.647 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.647 INFO [stderr] 
Nov 30 01:31:02.654 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
Nov 30 01:31:02.659 INFO [stderr] su: No module specific data is present
Nov 30 01:31:03.018 INFO running `"docker" "inspect" "883aca5c35a7f2355a677dbb9f67d6f30b79b48f65c6ffddfb45bf7fc103a58c"`
Nov 30 01:31:03.110 INFO running `"docker" "rm" "-f" "883aca5c35a7f2355a677dbb9f67d6f30b79b48f65c6ffddfb45bf7fc103a58c"`
Nov 30 01:31:03.278 INFO [stdout] 883aca5c35a7f2355a677dbb9f67d6f30b79b48f65c6ffddfb45bf7fc103a58c