[INFO] updating cached repository elementh/rust_mandelbrot [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/elementh/rust_mandelbrot [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/elementh/rust_mandelbrot" "work/ex/beta-1.37-6/sources/1.36.0/gh/elementh/rust_mandelbrot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/elementh/rust_mandelbrot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/elementh/rust_mandelbrot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/elementh/rust_mandelbrot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/elementh/rust_mandelbrot'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 67d235dff2c7ad4333227c1c8d6e06bc1183eedf [INFO] sha for GitHub repo elementh/rust_mandelbrot: 67d235dff2c7ad4333227c1c8d6e06bc1183eedf [INFO] validating manifest of elementh/rust_mandelbrot on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of elementh/rust_mandelbrot on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing elementh/rust_mandelbrot [INFO] finished frobbing elementh/rust_mandelbrot [INFO] frobbed toml for elementh/rust_mandelbrot written to work/ex/beta-1.37-6/sources/1.36.0/gh/elementh/rust_mandelbrot/Cargo.toml [INFO] started frobbing elementh/rust_mandelbrot [INFO] finished frobbing elementh/rust_mandelbrot [INFO] frobbed toml for elementh/rust_mandelbrot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/elementh/rust_mandelbrot/Cargo.toml [INFO] crate elementh/rust_mandelbrot already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing elementh/rust_mandelbrot against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/elementh/rust_mandelbrot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 68833c0665c0fed42942442b1f513737acebef5807efe691bd4000a05dd2c963 [INFO] running `"docker" "start" "-a" "68833c0665c0fed42942442b1f513737acebef5807efe691bd4000a05dd2c963"` [INFO] [stderr] Compiling num-bigint v0.1.43 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `escape_time` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_pair` [INFO] [stderr] --> src/main.rs:26:1 [INFO] [stderr] | [INFO] [stderr] 26 | fn parse_pair(s: &str, separator: char) -> Option<(T, T)> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_complex` [INFO] [stderr] --> src/main.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | fn parse_complex(s:&str) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pixel_to_point` [INFO] [stderr] --> src/main.rs:47:1 [INFO] [stderr] | [INFO] [stderr] 47 | / fn pixel_to_point(bounds: (usize, usize), [INFO] [stderr] 48 | | pixel: (usize, usize), [INFO] [stderr] 49 | | upper_left: Complex, [INFO] [stderr] 50 | | lower_right: Complex) [INFO] [stderr] ... | [INFO] [stderr] 59 | | } [INFO] [stderr] 60 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.19s [INFO] running `"docker" "inspect" "68833c0665c0fed42942442b1f513737acebef5807efe691bd4000a05dd2c963"` [INFO] running `"docker" "rm" "-f" "68833c0665c0fed42942442b1f513737acebef5807efe691bd4000a05dd2c963"` [INFO] [stdout] 68833c0665c0fed42942442b1f513737acebef5807efe691bd4000a05dd2c963 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/elementh/rust_mandelbrot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 6b99570cdb803f97e57ea46166d7a3eb1ea9fd6c1199beeec5aeba57353ee226 [INFO] running `"docker" "start" "-a" "6b99570cdb803f97e57ea46166d7a3eb1ea9fd6c1199beeec5aeba57353ee226"` [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `escape_time` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `"docker" "inspect" "6b99570cdb803f97e57ea46166d7a3eb1ea9fd6c1199beeec5aeba57353ee226"` [INFO] running `"docker" "rm" "-f" "6b99570cdb803f97e57ea46166d7a3eb1ea9fd6c1199beeec5aeba57353ee226"` [INFO] [stdout] 6b99570cdb803f97e57ea46166d7a3eb1ea9fd6c1199beeec5aeba57353ee226 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/elementh/rust_mandelbrot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] cdfc6af5fb6f848d91c01bca5588abc3bed320ed636a7d8c30bd2932303ad9b8 [INFO] running `"docker" "start" "-a" "cdfc6af5fb6f848d91c01bca5588abc3bed320ed636a7d8c30bd2932303ad9b8"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/mandelbrot-babb9b6c759432d5 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_pixel_to_point ... ok [INFO] [stdout] test test_parse_pair ... ok [INFO] [stdout] test test_parse_complex ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_parse_complex stdout ---- [INFO] [stdout] thread 'test_parse_complex' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `None`, [INFO] [stdout] right: `Some(Complex { re: 1.25, im: -0.0625 })`', src/main.rs:77:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55d0d19785bb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55d0d19785bb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55d0d19785bb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55d0d19785bb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55d0d19785bb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55d0d197822a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55d0d1978d30 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55d0d19788b2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55d0d19787ff - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x55d0d1925359 - mandelbrot::test_parse_complex::h9ad29f622120f3e0 [INFO] [stdout] at src/main.rs:77 [INFO] [stdout] 10: 0x55d0d192519a - mandelbrot::test_parse_complex::{{closure}}::h09d4a6250850fcd5 [INFO] [stdout] at src/main.rs:76 [INFO] [stdout] 11: 0x55d0d192615e - core::ops::function::FnOnce::call_once::h654362ef22dcb8f3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55d0d19329ef - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x55d0d197b2aa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55d0d194cfe8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x55d0d194cfe8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x55d0d194cfe8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x55d0d1927e65 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x55d0d192bfe5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x55d0d192bfe5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x55d0d192bfe5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x55d0d197b2aa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x55d0d192c622 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x55d0d192c622 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x55d0d192c622 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x55d0d192c622 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x55d0d196e3cf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x55d0d197aa00 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x55d0d197aa00 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x55d0d197aa00 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7fd55d7ca4a4 - start_thread [INFO] [stdout] 31: 0x7fd55d2f5d0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_parse_complex [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin mandelbrot' [INFO] running `"docker" "inspect" "cdfc6af5fb6f848d91c01bca5588abc3bed320ed636a7d8c30bd2932303ad9b8"` [INFO] running `"docker" "rm" "-f" "cdfc6af5fb6f848d91c01bca5588abc3bed320ed636a7d8c30bd2932303ad9b8"` [INFO] [stdout] cdfc6af5fb6f848d91c01bca5588abc3bed320ed636a7d8c30bd2932303ad9b8