Nov 30 01:31:01.692 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 01:31:01.692 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 01:31:01.936 INFO [stdout] b59f50ebb28e60e43cb0e7acef71745c8f5c4964e99eee5a2f39652138f2fa62
Nov 30 01:31:01.936 INFO running `"docker" "start" "-a" "b59f50ebb28e60e43cb0e7acef71745c8f5c4964e99eee5a2f39652138f2fa62"`
Nov 30 01:31:02.651 INFO [stderr] usermod: no changes
Nov 30 01:31:02.678 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std-result v0.1.0 (/source)
Nov 30 01:31:02.954 INFO [stderr] warning: enum is never used: `MathError`
Nov 30 01:31:02.954 INFO [stderr]  --> src/main.rs:4:5
Nov 30 01:31:02.954 INFO [stderr]   |
Nov 30 01:31:02.954 INFO [stderr] 4 |     pub enum MathError {
Nov 30 01:31:02.954 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.954 INFO [stderr]   |
Nov 30 01:31:02.954 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 01:31:02.954 INFO [stderr] 
Nov 30 01:31:02.954 INFO [stderr] warning: type alias is never used: `MathResult`
Nov 30 01:31:02.954 INFO [stderr]   --> src/main.rs:10:5
Nov 30 01:31:02.954 INFO [stderr]    |
Nov 30 01:31:02.954 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Nov 30 01:31:02.954 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.954 INFO [stderr] 
Nov 30 01:31:02.954 INFO [stderr] warning: function is never used: `div`
Nov 30 01:31:02.954 INFO [stderr]   --> src/main.rs:12:5
Nov 30 01:31:02.954 INFO [stderr]    |
Nov 30 01:31:02.954 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Nov 30 01:31:02.954 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.954 INFO [stderr] 
Nov 30 01:31:02.954 INFO [stderr] warning: function is never used: `sqrt`
Nov 30 01:31:02.954 INFO [stderr]   --> src/main.rs:23:5
Nov 30 01:31:02.954 INFO [stderr]    |
Nov 30 01:31:02.954 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Nov 30 01:31:02.954 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.954 INFO [stderr] 
Nov 30 01:31:02.954 INFO [stderr] warning: function is never used: `ln`
Nov 30 01:31:02.954 INFO [stderr]   --> src/main.rs:31:5
Nov 30 01:31:02.954 INFO [stderr]    |
Nov 30 01:31:02.954 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Nov 30 01:31:02.954 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.954 INFO [stderr] 
Nov 30 01:31:02.954 INFO [stderr] warning: function is never used: `op`
Nov 30 01:31:02.954 INFO [stderr]   --> src/main.rs:41:1
Nov 30 01:31:02.954 INFO [stderr]    |
Nov 30 01:31:02.954 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Nov 30 01:31:02.954 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.954 INFO [stderr] 
Nov 30 01:31:02.957 INFO [stderr] warning: enum is never used: `MathError`
Nov 30 01:31:02.957 INFO [stderr]  --> src/main.rs:4:5
Nov 30 01:31:02.957 INFO [stderr]   |
Nov 30 01:31:02.957 INFO [stderr] 4 |     pub enum MathError {
Nov 30 01:31:02.957 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.957 INFO [stderr]   |
Nov 30 01:31:02.957 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 01:31:02.958 INFO [stderr] 
Nov 30 01:31:02.958 INFO [stderr] warning: type alias is never used: `MathResult`
Nov 30 01:31:02.958 INFO [stderr]   --> src/main.rs:10:5
Nov 30 01:31:02.958 INFO [stderr]    |
Nov 30 01:31:02.958 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Nov 30 01:31:02.958 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.958 INFO [stderr] 
Nov 30 01:31:02.958 INFO [stderr] warning: function is never used: `div`
Nov 30 01:31:02.958 INFO [stderr]   --> src/main.rs:12:5
Nov 30 01:31:02.958 INFO [stderr]    |
Nov 30 01:31:02.958 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Nov 30 01:31:02.958 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.958 INFO [stderr] 
Nov 30 01:31:02.958 INFO [stderr] warning: function is never used: `sqrt`
Nov 30 01:31:02.958 INFO [stderr]   --> src/main.rs:23:5
Nov 30 01:31:02.958 INFO [stderr]    |
Nov 30 01:31:02.958 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Nov 30 01:31:02.958 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.958 INFO [stderr] 
Nov 30 01:31:02.958 INFO [stderr] warning: function is never used: `ln`
Nov 30 01:31:02.958 INFO [stderr]   --> src/main.rs:31:5
Nov 30 01:31:02.958 INFO [stderr]    |
Nov 30 01:31:02.958 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Nov 30 01:31:02.958 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.958 INFO [stderr] 
Nov 30 01:31:02.958 INFO [stderr] warning: function is never used: `op`
Nov 30 01:31:02.958 INFO [stderr]   --> src/main.rs:41:1
Nov 30 01:31:02.958 INFO [stderr]    |
Nov 30 01:31:02.958 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Nov 30 01:31:02.958 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:31:02.958 INFO [stderr] 
Nov 30 01:31:02.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
Nov 30 01:31:02.966 INFO [stderr] su: No module specific data is present
Nov 30 01:31:03.354 INFO running `"docker" "inspect" "b59f50ebb28e60e43cb0e7acef71745c8f5c4964e99eee5a2f39652138f2fa62"`
Nov 30 01:31:03.490 INFO running `"docker" "rm" "-f" "b59f50ebb28e60e43cb0e7acef71745c8f5c4964e99eee5a2f39652138f2fa62"`
Nov 30 01:31:03.572 INFO [stdout] b59f50ebb28e60e43cb0e7acef71745c8f5c4964e99eee5a2f39652138f2fa62