[INFO] updating cached repository https://github.com/elementh/rust_mandelbrot [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 67d235dff2c7ad4333227c1c8d6e06bc1183eedf [INFO] testing elementh/rust_mandelbrot against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felementh%2Frust_mandelbrot" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elementh/rust_mandelbrot on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/elementh/rust_mandelbrot [INFO] finished tweaking git repo https://github.com/elementh/rust_mandelbrot [INFO] tweaked toml for git repo https://github.com/elementh/rust_mandelbrot written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/elementh/rust_mandelbrot already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8acc3ee530270066b742417c970790542d977f64d4614a905eabffba169d8984 [INFO] running `"docker" "start" "-a" "8acc3ee530270066b742417c970790542d977f64d4614a905eabffba169d8984"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling num-traits v0.2.0 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling ansi_term v0.10.2 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling clap v2.30.0 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-complex v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.35 [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/rustwide/workdir) [INFO] [stderr] warning: function is never used: `escape_time` [INFO] [stderr] --> src/main.rs:13:4 [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:26:4 [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:40:4 [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:47:4 [INFO] [stderr] | [INFO] [stderr] 47 | fn pixel_to_point(bounds: (usize, usize), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.76s [INFO] running `"docker" "inspect" "8acc3ee530270066b742417c970790542d977f64d4614a905eabffba169d8984"` [INFO] running `"docker" "rm" "-f" "8acc3ee530270066b742417c970790542d977f64d4614a905eabffba169d8984"` [INFO] [stdout] 8acc3ee530270066b742417c970790542d977f64d4614a905eabffba169d8984 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 8ce1365049b6f66e47655b48d74db6da2b4727fcd02e8a7d8452211e0932e7e3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "8ce1365049b6f66e47655b48d74db6da2b4727fcd02e8a7d8452211e0932e7e3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `escape_time` [INFO] [stderr] --> src/main.rs:13:4 [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `"docker" "inspect" "8ce1365049b6f66e47655b48d74db6da2b4727fcd02e8a7d8452211e0932e7e3"` [INFO] running `"docker" "rm" "-f" "8ce1365049b6f66e47655b48d74db6da2b4727fcd02e8a7d8452211e0932e7e3"` [INFO] [stdout] 8ce1365049b6f66e47655b48d74db6da2b4727fcd02e8a7d8452211e0932e7e3 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4d34654652be2a50551994704b777407f4dfdc87915b54f910b8fbab3a6abe62 [INFO] running `"docker" "start" "-a" "4d34654652be2a50551994704b777407f4dfdc87915b54f910b8fbab3a6abe62"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: function is never used: `escape_time` [INFO] [stderr] --> src/main.rs:13:4 [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mandelbrot-542e273f46daef4e [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_parse_pair ... ok [INFO] [stdout] test test_pixel_to_point ... 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: 0x55da5e0893d4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55da5e0893d4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55da5e0893d4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55da5e0893d4 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55da5e0b2f1c - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55da5e036fe5 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55da5e0839c1 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55da5e08bc25 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55da5e08bc25 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55da5e08bc25 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55da5e08b90b - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55da5e08c282 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55da5e08be6b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x55da5e08bddb - std::panicking::begin_panic_fmt::h3693eb684a4f728c [INFO] [stdout] at src/libstd/panicking.rs:373 [INFO] [stdout] 14: 0x55da5e033921 - mandelbrot::test_parse_complex::he581da0da8a8a393 [INFO] [stdout] at src/main.rs:77 [INFO] [stdout] 15: 0x55da5e03372a - mandelbrot::test_parse_complex::{{closure}}::h4f2d83f8cbc3eb96 [INFO] [stdout] at src/main.rs:76 [INFO] [stdout] 16: 0x55da5e0347be - core::ops::function::FnOnce::call_once::h057c0891cdbe8e0b [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 17: 0x55da5e05e476 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 18: 0x55da5e05e476 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 19: 0x55da5e05e476 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 20: 0x55da5e05e476 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 21: 0x55da5e05e476 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x55da5e05e476 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 23: 0x55da5e05e476 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stderr] error: test failed, to rerun pass '--bin mandelbrot' [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 24: 0x55da5e036496 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 25: 0x55da5e03b825 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 26: 0x55da5e03b825 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 27: 0x55da5e03b825 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 28: 0x55da5e03b825 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 29: 0x55da5e03b825 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 30: 0x55da5e03b825 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 31: 0x55da5e03b825 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 32: 0x55da5e092a6a - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x55da5e092a6a - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 34: 0x55da5e092a6a - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 35: 0x7fb223e12609 - start_thread [INFO] [stdout] 36: 0x7fb223d1e103 - __clone [INFO] [stdout] 37: 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] running `"docker" "inspect" "4d34654652be2a50551994704b777407f4dfdc87915b54f910b8fbab3a6abe62"` [INFO] running `"docker" "rm" "-f" "4d34654652be2a50551994704b777407f4dfdc87915b54f910b8fbab3a6abe62"` [INFO] [stdout] 4d34654652be2a50551994704b777407f4dfdc87915b54f910b8fbab3a6abe62