Dec 13 16:38:45.756 INFO testing intrepion/example-x-rust-x-rustbyexample-com-x-std-result-try against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 16:38:45.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 13 16:38:45.979 INFO [stdout] fd3f7a149ef5eb76d509b2bacb95bd310564269139977ac4c1dbb6651c847bba
Dec 13 16:38:45.981 INFO running `"docker" "start" "-a" "fd3f7a149ef5eb76d509b2bacb95bd310564269139977ac4c1dbb6651c847bba"`
Dec 13 16:38:46.499 INFO [stderr] usermod: no changes
Dec 13 16:38:46.533 INFO [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-std-result-try v0.1.0 (/source)
Dec 13 16:38:46.829 INFO [stderr] warning: enum is never used: `MathError`
Dec 13 16:38:46.829 INFO [stderr]  --> src/main.rs:3:5
Dec 13 16:38:46.829 INFO [stderr]   |
Dec 13 16:38:46.829 INFO [stderr] 3 |     enum MathError {
Dec 13 16:38:46.829 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 13 16:38:46.829 INFO [stderr]   |
Dec 13 16:38:46.829 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 16:38:46.829 INFO [stderr] 
Dec 13 16:38:46.829 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 13 16:38:46.829 INFO [stderr]  --> src/main.rs:9:5
Dec 13 16:38:46.829 INFO [stderr]   |
Dec 13 16:38:46.829 INFO [stderr] 9 |     type MathResult = Result<f64, MathError>;
Dec 13 16:38:46.829 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:46.829 INFO [stderr] 
Dec 13 16:38:46.829 INFO [stderr] warning: function is never used: `div`
Dec 13 16:38:46.829 INFO [stderr]   --> src/main.rs:11:5
Dec 13 16:38:46.829 INFO [stderr]    |
Dec 13 16:38:46.829 INFO [stderr] 11 |     fn div(x: f64, y: f64) -> MathResult {
Dec 13 16:38:46.829 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:46.829 INFO [stderr] 
Dec 13 16:38:46.829 INFO [stderr] warning: function is never used: `sqrt`
Dec 13 16:38:46.829 INFO [stderr]   --> src/main.rs:19:5
Dec 13 16:38:46.829 INFO [stderr]    |
Dec 13 16:38:46.829 INFO [stderr] 19 |     fn sqrt(x: f64) -> MathResult {
Dec 13 16:38:46.829 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:46.829 INFO [stderr] 
Dec 13 16:38:46.829 INFO [stderr] warning: function is never used: `ln`
Dec 13 16:38:46.829 INFO [stderr]   --> src/main.rs:27:5
Dec 13 16:38:46.829 INFO [stderr]    |
Dec 13 16:38:46.829 INFO [stderr] 27 |     fn ln(x: f64) -> MathResult {
Dec 13 16:38:46.829 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:46.829 INFO [stderr] 
Dec 13 16:38:46.829 INFO [stderr] warning: function is never used: `op_`
Dec 13 16:38:46.829 INFO [stderr]   --> src/main.rs:36:5
Dec 13 16:38:46.829 INFO [stderr]    |
Dec 13 16:38:46.829 INFO [stderr] 36 |     fn op_(x: f64, y: f64) -> MathResult {
Dec 13 16:38:46.829 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:46.829 INFO [stderr] 
Dec 13 16:38:46.829 INFO [stderr] warning: function is never used: `op`
Dec 13 16:38:46.829 INFO [stderr]   --> src/main.rs:46:5
Dec 13 16:38:46.829 INFO [stderr]    |
Dec 13 16:38:46.829 INFO [stderr] 46 |     pub fn op(x: f64, y: f64) {
Dec 13 16:38:46.829 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:46.829 INFO [stderr] 
Dec 13 16:38:46.968 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 13 16:38:46.969 INFO [stderr] su: No module specific data is present
Dec 13 16:38:47.218 INFO running `"docker" "inspect" "fd3f7a149ef5eb76d509b2bacb95bd310564269139977ac4c1dbb6651c847bba"`
Dec 13 16:38:47.312 INFO running `"docker" "rm" "-f" "fd3f7a149ef5eb76d509b2bacb95bd310564269139977ac4c1dbb6651c847bba"`
Dec 13 16:38:47.412 INFO [stdout] fd3f7a149ef5eb76d509b2bacb95bd310564269139977ac4c1dbb6651c847bba
Dec 13 16:38:47.414 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 13 16:38:47.564 INFO [stdout] 275a1ee79f35cacee7a6ea0c258b37ba0822f143b555952f6b2ad87a972b48cc
Dec 13 16:38:47.569 INFO running `"docker" "start" "-a" "275a1ee79f35cacee7a6ea0c258b37ba0822f143b555952f6b2ad87a972b48cc"`
Dec 13 16:38:47.979 INFO [stderr] usermod: no changes
Dec 13 16:38:48.022 INFO [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-std-result-try v0.1.0 (/source)
Dec 13 16:38:48.311 INFO [stderr] warning: enum is never used: `MathError`
Dec 13 16:38:48.311 INFO [stderr]  --> src/main.rs:3:5
Dec 13 16:38:48.311 INFO [stderr]   |
Dec 13 16:38:48.311 INFO [stderr] 3 |     enum MathError {
Dec 13 16:38:48.311 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 13 16:38:48.311 INFO [stderr]   |
Dec 13 16:38:48.311 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 16:38:48.311 INFO [stderr] 
Dec 13 16:38:48.311 INFO [stderr] warning: type alias is never used: `MathResult`
Dec 13 16:38:48.311 INFO [stderr]  --> src/main.rs:9:5
Dec 13 16:38:48.311 INFO [stderr]   |
Dec 13 16:38:48.311 INFO [stderr] 9 |     type MathResult = Result<f64, MathError>;
Dec 13 16:38:48.311 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:48.311 INFO [stderr] 
Dec 13 16:38:48.311 INFO [stderr] warning: function is never used: `div`
Dec 13 16:38:48.311 INFO [stderr]   --> src/main.rs:11:5
Dec 13 16:38:48.311 INFO [stderr]    |
Dec 13 16:38:48.311 INFO [stderr] 11 |     fn div(x: f64, y: f64) -> MathResult {
Dec 13 16:38:48.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:48.311 INFO [stderr] 
Dec 13 16:38:48.311 INFO [stderr] warning: function is never used: `sqrt`
Dec 13 16:38:48.311 INFO [stderr]   --> src/main.rs:19:5
Dec 13 16:38:48.311 INFO [stderr]    |
Dec 13 16:38:48.311 INFO [stderr] 19 |     fn sqrt(x: f64) -> MathResult {
Dec 13 16:38:48.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:48.311 INFO [stderr] 
Dec 13 16:38:48.311 INFO [stderr] warning: function is never used: `ln`
Dec 13 16:38:48.311 INFO [stderr]   --> src/main.rs:27:5
Dec 13 16:38:48.311 INFO [stderr]    |
Dec 13 16:38:48.311 INFO [stderr] 27 |     fn ln(x: f64) -> MathResult {
Dec 13 16:38:48.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:48.311 INFO [stderr] 
Dec 13 16:38:48.311 INFO [stderr] warning: function is never used: `op_`
Dec 13 16:38:48.311 INFO [stderr]   --> src/main.rs:36:5
Dec 13 16:38:48.311 INFO [stderr]    |
Dec 13 16:38:48.311 INFO [stderr] 36 |     fn op_(x: f64, y: f64) -> MathResult {
Dec 13 16:38:48.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:48.311 INFO [stderr] 
Dec 13 16:38:48.311 INFO [stderr] warning: function is never used: `op`
Dec 13 16:38:48.311 INFO [stderr]   --> src/main.rs:46:5
Dec 13 16:38:48.311 INFO [stderr]    |
Dec 13 16:38:48.311 INFO [stderr] 46 |     pub fn op(x: f64, y: f64) {
Dec 13 16:38:48.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:38:48.311 INFO [stderr] 
Dec 13 16:38:48.498 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 13 16:38:48.501 INFO [stderr] su: No module specific data is present
Dec 13 16:38:48.734 INFO running `"docker" "inspect" "275a1ee79f35cacee7a6ea0c258b37ba0822f143b555952f6b2ad87a972b48cc"`
Dec 13 16:38:48.832 INFO running `"docker" "rm" "-f" "275a1ee79f35cacee7a6ea0c258b37ba0822f143b555952f6b2ad87a972b48cc"`
Dec 13 16:38:48.953 INFO [stdout] 275a1ee79f35cacee7a6ea0c258b37ba0822f143b555952f6b2ad87a972b48cc
Dec 13 16:38:48.956 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 13 16:38:49.099 INFO [stdout] 31b781703468c7b03a05aba7d963353dcfa5300e26909c836be95b5660badbbe
Dec 13 16:38:49.100 INFO running `"docker" "start" "-a" "31b781703468c7b03a05aba7d963353dcfa5300e26909c836be95b5660badbbe"`
Dec 13 16:38:49.435 INFO [stderr] usermod: no changes
Dec 13 16:38:49.456 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Dec 13 16:38:49.457 INFO [stderr]      Running /target/debug/deps/example_x_rust_x_rustbyexample_com_x_std_result_try-353d1f02d9597bca
Dec 13 16:38:49.458 INFO [stdout] 
Dec 13 16:38:49.458 INFO [stdout] running 0 tests
Dec 13 16:38:49.459 INFO [stdout] 
Dec 13 16:38:49.459 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:38:49.459 INFO [stdout] 
Dec 13 16:38:49.460 INFO [stderr] su: No module specific data is present
Dec 13 16:38:49.730 INFO running `"docker" "inspect" "31b781703468c7b03a05aba7d963353dcfa5300e26909c836be95b5660badbbe"`
Dec 13 16:38:49.842 INFO running `"docker" "rm" "-f" "31b781703468c7b03a05aba7d963353dcfa5300e26909c836be95b5660badbbe"`
Dec 13 16:38:49.906 INFO [stdout] 31b781703468c7b03a05aba7d963353dcfa5300e26909c836be95b5660badbbe