Nov 28 03:54:46.185 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-std-result-try against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 03:54:46.185 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 03:54:46.360 INFO [stdout] 3fe29509c9966cff5dab9f98466533f482a003fdc6ed4616cf2d7ea946931aee
Nov 28 03:54:46.362 INFO running `"docker" "start" "-a" "3fe29509c9966cff5dab9f98466533f482a003fdc6ed4616cf2d7ea946931aee"`
Nov 28 03:54:46.753 INFO [stderr] usermod: no changes
Nov 28 03:54:46.773 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std-result-try v0.1.0 (/source)
Nov 28 03:54:46.971 INFO [stderr] warning: enum is never used: `MathError`
Nov 28 03:54:46.971 INFO [stderr]  --> src/main.rs:3:5
Nov 28 03:54:46.971 INFO [stderr]   |
Nov 28 03:54:46.971 INFO [stderr] 3 |     enum MathError {
Nov 28 03:54:46.971 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 03:54:46.971 INFO [stderr]   |
Nov 28 03:54:46.971 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 03:54:46.971 INFO [stderr] 
Nov 28 03:54:46.971 INFO [stderr] warning: type alias is never used: `MathResult`
Nov 28 03:54:46.971 INFO [stderr]  --> src/main.rs:9:5
Nov 28 03:54:46.971 INFO [stderr]   |
Nov 28 03:54:46.971 INFO [stderr] 9 |     type MathResult = Result<f64, MathError>;
Nov 28 03:54:46.971 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:46.971 INFO [stderr] 
Nov 28 03:54:46.971 INFO [stderr] warning: function is never used: `div`
Nov 28 03:54:46.971 INFO [stderr]   --> src/main.rs:11:5
Nov 28 03:54:46.971 INFO [stderr]    |
Nov 28 03:54:46.971 INFO [stderr] 11 |     fn div(x: f64, y: f64) -> MathResult {
Nov 28 03:54:46.971 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:46.971 INFO [stderr] 
Nov 28 03:54:46.971 INFO [stderr] warning: function is never used: `sqrt`
Nov 28 03:54:46.971 INFO [stderr]   --> src/main.rs:19:5
Nov 28 03:54:46.971 INFO [stderr]    |
Nov 28 03:54:46.971 INFO [stderr] 19 |     fn sqrt(x: f64) -> MathResult {
Nov 28 03:54:46.971 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:46.971 INFO [stderr] 
Nov 28 03:54:46.971 INFO [stderr] warning: function is never used: `ln`
Nov 28 03:54:46.971 INFO [stderr]   --> src/main.rs:27:5
Nov 28 03:54:46.971 INFO [stderr]    |
Nov 28 03:54:46.971 INFO [stderr] 27 |     fn ln(x: f64) -> MathResult {
Nov 28 03:54:46.971 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:46.971 INFO [stderr] 
Nov 28 03:54:46.971 INFO [stderr] warning: function is never used: `op_`
Nov 28 03:54:46.971 INFO [stderr]   --> src/main.rs:36:5
Nov 28 03:54:46.971 INFO [stderr]    |
Nov 28 03:54:46.971 INFO [stderr] 36 |     fn op_(x: f64, y: f64) -> MathResult {
Nov 28 03:54:46.971 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:46.971 INFO [stderr] 
Nov 28 03:54:46.971 INFO [stderr] warning: function is never used: `op`
Nov 28 03:54:46.971 INFO [stderr]   --> src/main.rs:46:5
Nov 28 03:54:46.971 INFO [stderr]    |
Nov 28 03:54:46.971 INFO [stderr] 46 |     pub fn op(x: f64, y: f64) {
Nov 28 03:54:46.971 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:46.971 INFO [stderr] 
Nov 28 03:54:47.024 INFO [stderr] warning: enum is never used: `MathError`
Nov 28 03:54:47.024 INFO [stderr]  --> src/main.rs:3:5
Nov 28 03:54:47.024 INFO [stderr]   |
Nov 28 03:54:47.024 INFO [stderr] 3 |     enum MathError {
Nov 28 03:54:47.024 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 03:54:47.024 INFO [stderr]   |
Nov 28 03:54:47.024 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 03:54:47.024 INFO [stderr] 
Nov 28 03:54:47.024 INFO [stderr] warning: type alias is never used: `MathResult`
Nov 28 03:54:47.024 INFO [stderr]  --> src/main.rs:9:5
Nov 28 03:54:47.024 INFO [stderr]   |
Nov 28 03:54:47.024 INFO [stderr] 9 |     type MathResult = Result<f64, MathError>;
Nov 28 03:54:47.024 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:47.024 INFO [stderr] 
Nov 28 03:54:47.024 INFO [stderr] warning: function is never used: `div`
Nov 28 03:54:47.024 INFO [stderr]   --> src/main.rs:11:5
Nov 28 03:54:47.024 INFO [stderr]    |
Nov 28 03:54:47.024 INFO [stderr] 11 |     fn div(x: f64, y: f64) -> MathResult {
Nov 28 03:54:47.024 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:47.024 INFO [stderr] 
Nov 28 03:54:47.024 INFO [stderr] warning: function is never used: `sqrt`
Nov 28 03:54:47.024 INFO [stderr]   --> src/main.rs:19:5
Nov 28 03:54:47.024 INFO [stderr]    |
Nov 28 03:54:47.024 INFO [stderr] 19 |     fn sqrt(x: f64) -> MathResult {
Nov 28 03:54:47.024 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:47.024 INFO [stderr] 
Nov 28 03:54:47.024 INFO [stderr] warning: function is never used: `ln`
Nov 28 03:54:47.024 INFO [stderr]   --> src/main.rs:27:5
Nov 28 03:54:47.024 INFO [stderr]    |
Nov 28 03:54:47.024 INFO [stderr] 27 |     fn ln(x: f64) -> MathResult {
Nov 28 03:54:47.024 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:47.024 INFO [stderr] 
Nov 28 03:54:47.024 INFO [stderr] warning: function is never used: `op_`
Nov 28 03:54:47.024 INFO [stderr]   --> src/main.rs:36:5
Nov 28 03:54:47.024 INFO [stderr]    |
Nov 28 03:54:47.024 INFO [stderr] 36 |     fn op_(x: f64, y: f64) -> MathResult {
Nov 28 03:54:47.024 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:47.024 INFO [stderr] 
Nov 28 03:54:47.024 INFO [stderr] warning: function is never used: `op`
Nov 28 03:54:47.024 INFO [stderr]   --> src/main.rs:46:5
Nov 28 03:54:47.025 INFO [stderr]    |
Nov 28 03:54:47.025 INFO [stderr] 46 |     pub fn op(x: f64, y: f64) {
Nov 28 03:54:47.025 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:54:47.025 INFO [stderr] 
Nov 28 03:54:47.044 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
Nov 28 03:54:47.046 INFO [stderr] su: No module specific data is present
Nov 28 03:54:47.465 INFO running `"docker" "inspect" "3fe29509c9966cff5dab9f98466533f482a003fdc6ed4616cf2d7ea946931aee"`
Nov 28 03:54:47.532 INFO running `"docker" "rm" "-f" "3fe29509c9966cff5dab9f98466533f482a003fdc6ed4616cf2d7ea946931aee"`
Nov 28 03:54:47.646 INFO [stdout] 3fe29509c9966cff5dab9f98466533f482a003fdc6ed4616cf2d7ea946931aee