Nov 17 00:38:34.304 INFO testing intrepion/example-x-rust-x-rustbyexample-com-x-std-result against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 00:38:34.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 00:38:34.489 INFO [stdout] b28fd94e760701da3dd826e285c130a63556be7395d9bd4f774e41bdcac55be3
Nov 17 00:38:34.492 INFO running `"docker" "start" "-a" "b28fd94e760701da3dd826e285c130a63556be7395d9bd4f774e41bdcac55be3"`
Nov 17 00:38:34.887 INFO [stderr] usermod: no changes
Nov 17 00:38:34.908 INFO [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-std-result v0.1.0 (/source)
Nov 17 00:38:35.139 INFO [stderr] warning: enum is never used: `MathError`
Nov 17 00:38:35.139 INFO [stderr]  --> src/main.rs:4:5
Nov 17 00:38:35.139 INFO [stderr]   |
Nov 17 00:38:35.139 INFO [stderr] 4 |     pub enum MathError {
Nov 17 00:38:35.139 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 17 00:38:35.139 INFO [stderr]   |
Nov 17 00:38:35.139 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 00:38:35.139 INFO [stderr] 
Nov 17 00:38:35.139 INFO [stderr] warning: type alias is never used: `MathResult`
Nov 17 00:38:35.139 INFO [stderr]   --> src/main.rs:10:5
Nov 17 00:38:35.139 INFO [stderr]    |
Nov 17 00:38:35.139 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Nov 17 00:38:35.139 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:35.139 INFO [stderr] 
Nov 17 00:38:35.143 INFO [stderr] warning: function is never used: `div`
Nov 17 00:38:35.143 INFO [stderr]   --> src/main.rs:12:5
Nov 17 00:38:35.143 INFO [stderr]    |
Nov 17 00:38:35.143 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Nov 17 00:38:35.143 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:35.143 INFO [stderr] 
Nov 17 00:38:35.143 INFO [stderr] warning: function is never used: `sqrt`
Nov 17 00:38:35.143 INFO [stderr]   --> src/main.rs:23:5
Nov 17 00:38:35.143 INFO [stderr]    |
Nov 17 00:38:35.143 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Nov 17 00:38:35.143 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:35.143 INFO [stderr] 
Nov 17 00:38:35.143 INFO [stderr] warning: function is never used: `ln`
Nov 17 00:38:35.144 INFO [stderr]   --> src/main.rs:31:5
Nov 17 00:38:35.144 INFO [stderr]    |
Nov 17 00:38:35.144 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Nov 17 00:38:35.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:35.144 INFO [stderr] 
Nov 17 00:38:35.144 INFO [stderr] warning: function is never used: `op`
Nov 17 00:38:35.144 INFO [stderr]   --> src/main.rs:41:1
Nov 17 00:38:35.144 INFO [stderr]    |
Nov 17 00:38:35.144 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Nov 17 00:38:35.144 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:35.144 INFO [stderr] 
Nov 17 00:38:35.295 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Nov 17 00:38:35.297 INFO [stderr] su: No module specific data is present
Nov 17 00:38:35.524 INFO running `"docker" "inspect" "b28fd94e760701da3dd826e285c130a63556be7395d9bd4f774e41bdcac55be3"`
Nov 17 00:38:35.624 INFO running `"docker" "rm" "-f" "b28fd94e760701da3dd826e285c130a63556be7395d9bd4f774e41bdcac55be3"`
Nov 17 00:38:35.732 INFO [stdout] b28fd94e760701da3dd826e285c130a63556be7395d9bd4f774e41bdcac55be3
Nov 17 00:38:35.734 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 00:38:35.897 INFO [stdout] f2e9ced518225717aab257211d02494045fc2c48048bd5c68028c2a051f47fe9
Nov 17 00:38:35.898 INFO running `"docker" "start" "-a" "f2e9ced518225717aab257211d02494045fc2c48048bd5c68028c2a051f47fe9"`
Nov 17 00:38:36.262 INFO [stderr] usermod: no changes
Nov 17 00:38:36.287 INFO [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-std-result v0.1.0 (/source)
Nov 17 00:38:36.539 INFO [stderr] warning: enum is never used: `MathError`
Nov 17 00:38:36.539 INFO [stderr]  --> src/main.rs:4:5
Nov 17 00:38:36.539 INFO [stderr]   |
Nov 17 00:38:36.539 INFO [stderr] 4 |     pub enum MathError {
Nov 17 00:38:36.539 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 17 00:38:36.539 INFO [stderr]   |
Nov 17 00:38:36.539 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 00:38:36.539 INFO [stderr] 
Nov 17 00:38:36.539 INFO [stderr] warning: type alias is never used: `MathResult`
Nov 17 00:38:36.539 INFO [stderr]   --> src/main.rs:10:5
Nov 17 00:38:36.539 INFO [stderr]    |
Nov 17 00:38:36.539 INFO [stderr] 10 |     pub type MathResult = Result<f64, MathError>;
Nov 17 00:38:36.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:36.539 INFO [stderr] 
Nov 17 00:38:36.539 INFO [stderr] warning: function is never used: `div`
Nov 17 00:38:36.539 INFO [stderr]   --> src/main.rs:12:5
Nov 17 00:38:36.539 INFO [stderr]    |
Nov 17 00:38:36.539 INFO [stderr] 12 |     pub fn div(x: f64, y: f64) -> MathResult {
Nov 17 00:38:36.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:36.539 INFO [stderr] 
Nov 17 00:38:36.539 INFO [stderr] warning: function is never used: `sqrt`
Nov 17 00:38:36.539 INFO [stderr]   --> src/main.rs:23:5
Nov 17 00:38:36.539 INFO [stderr]    |
Nov 17 00:38:36.539 INFO [stderr] 23 |     pub fn sqrt(x: f64) -> MathResult {
Nov 17 00:38:36.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:36.539 INFO [stderr] 
Nov 17 00:38:36.539 INFO [stderr] warning: function is never used: `ln`
Nov 17 00:38:36.539 INFO [stderr]   --> src/main.rs:31:5
Nov 17 00:38:36.539 INFO [stderr]    |
Nov 17 00:38:36.539 INFO [stderr] 31 |     pub fn ln(x: f64) -> MathResult {
Nov 17 00:38:36.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:36.539 INFO [stderr] 
Nov 17 00:38:36.539 INFO [stderr] warning: function is never used: `op`
Nov 17 00:38:36.539 INFO [stderr]   --> src/main.rs:41:1
Nov 17 00:38:36.539 INFO [stderr]    |
Nov 17 00:38:36.539 INFO [stderr] 41 | fn op(x: f64, y: f64) -> f64 {
Nov 17 00:38:36.539 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:38:36.539 INFO [stderr] 
Nov 17 00:38:36.767 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Nov 17 00:38:36.769 INFO [stderr] su: No module specific data is present
Nov 17 00:38:36.980 INFO running `"docker" "inspect" "f2e9ced518225717aab257211d02494045fc2c48048bd5c68028c2a051f47fe9"`
Nov 17 00:38:37.088 INFO running `"docker" "rm" "-f" "f2e9ced518225717aab257211d02494045fc2c48048bd5c68028c2a051f47fe9"`
Nov 17 00:38:37.272 INFO [stdout] f2e9ced518225717aab257211d02494045fc2c48048bd5c68028c2a051f47fe9
Nov 17 00:38:37.276 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 17 00:38:37.440 INFO [stdout] bcbf18a156c73bf95e9b9efe28881d170ea6a299089b5d29fd6ca789f8d3befb
Nov 17 00:38:37.440 INFO running `"docker" "start" "-a" "bcbf18a156c73bf95e9b9efe28881d170ea6a299089b5d29fd6ca789f8d3befb"`
Nov 17 00:38:37.781 INFO [stderr] usermod: no changes
Nov 17 00:38:37.805 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 00:38:37.805 INFO [stderr]      Running /target/debug/deps/example_x_rust_x_rustbyexample_com_x_std_result-4028d649127acf53
Nov 17 00:38:37.806 INFO [stdout] 
Nov 17 00:38:37.806 INFO [stdout] running 0 tests
Nov 17 00:38:37.806 INFO [stdout] 
Nov 17 00:38:37.806 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 00:38:37.806 INFO [stdout] 
Nov 17 00:38:37.808 INFO [stderr] su: No module specific data is present
Nov 17 00:38:38.028 INFO running `"docker" "inspect" "bcbf18a156c73bf95e9b9efe28881d170ea6a299089b5d29fd6ca789f8d3befb"`
Nov 17 00:38:38.094 INFO running `"docker" "rm" "-f" "bcbf18a156c73bf95e9b9efe28881d170ea6a299089b5d29fd6ca789f8d3befb"`
Nov 17 00:38:38.207 INFO [stdout] bcbf18a156c73bf95e9b9efe28881d170ea6a299089b5d29fd6ca789f8d3befb