[INFO] fetching crate blackhole 0.17.1... [INFO] testing blackhole-0.17.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate blackhole 0.17.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate blackhole 0.17.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate blackhole 0.17.1 [INFO] finished tweaking crates.io crate blackhole 0.17.1 [INFO] tweaked toml for crates.io crate blackhole 0.17.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 06cb47d0f5c4d23d1884a4dd6b221f1b548ce29157a00025ef09601c1546bede [INFO] running `Command { std: "docker" "start" "-a" "06cb47d0f5c4d23d1884a4dd6b221f1b548ce29157a00025ef09601c1546bede", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06cb47d0f5c4d23d1884a4dd6b221f1b548ce29157a00025ef09601c1546bede", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06cb47d0f5c4d23d1884a4dd6b221f1b548ce29157a00025ef09601c1546bede", kill_on_drop: false }` [INFO] [stdout] 06cb47d0f5c4d23d1884a4dd6b221f1b548ce29157a00025ef09601c1546bede [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cb7dd78dbe16dc13f281f4352af8a6d30583ab02a67a83e1e271ab118585443 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8cb7dd78dbe16dc13f281f4352af8a6d30583ab02a67a83e1e271ab118585443", kill_on_drop: false }` [INFO] [stderr] Compiling blackhole v0.17.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "8cb7dd78dbe16dc13f281f4352af8a6d30583ab02a67a83e1e271ab118585443", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cb7dd78dbe16dc13f281f4352af8a6d30583ab02a67a83e1e271ab118585443", kill_on_drop: false }` [INFO] [stdout] 8cb7dd78dbe16dc13f281f4352af8a6d30583ab02a67a83e1e271ab118585443 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 951fcaad2de7492ae7a730de65e01e67d0e850d7bc9754524582c0d0a29adfb3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "951fcaad2de7492ae7a730de65e01e67d0e850d7bc9754524582c0d0a29adfb3", kill_on_drop: false }` [INFO] [stderr] Compiling blackhole v0.17.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.56s [INFO] running `Command { std: "docker" "inspect" "951fcaad2de7492ae7a730de65e01e67d0e850d7bc9754524582c0d0a29adfb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "951fcaad2de7492ae7a730de65e01e67d0e850d7bc9754524582c0d0a29adfb3", kill_on_drop: false }` [INFO] [stdout] 951fcaad2de7492ae7a730de65e01e67d0e850d7bc9754524582c0d0a29adfb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a1f6de8b4d12cac70a3cb32761ac8c1fb7d58d43c5b6caf7e669423da0f959f4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a1f6de8b4d12cac70a3cb32761ac8c1fb7d58d43c5b6caf7e669423da0f959f4", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/blackhole-405b25807d07792f [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/root-aa39cd1d190493cd [INFO] [stdout] test job::test_one_time ... ok [INFO] [stdout] test test_crate_version ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] thread '' panicked at 'Test panicking...', tests/root.rs:28:13 [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stdout] running 3 tests [INFO] [stdout] test stressing_blackhole ... ignored [INFO] [stdout] test test_get_online_processors ... ok [INFO] [stdout] #2 -> 0 [INFO] [stdout] 0 + 3 = 3 [INFO] [stdout] 5 + 11 = 16 [INFO] [stdout] 26 + 1 = 27 [INFO] [stderr] 0: 0x55b34a8c1395 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55b34a8c1395 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55b34a8c1395 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55b34a8c1395 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55b34a8e90bc - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55b34a8bdb52 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x55b34a8c3af0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55b34a8c3af0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55b34a8c3af0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55b34a8c383c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55b34a8c4133 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55b34a83d605 - std::panicking::begin_panic::h9ed1fef876a9a4c6 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x55b34a82c70f - ::run::h95780739b687af3a [INFO] [stderr] at tests/root.rs:28 [INFO] [stderr] 13: 0x55b34a84149d - blackhole::job::run_to_end::h1d61954a1d6e8cb0 [INFO] [stderr] at /opt/rustwide/workdir/src/job.rs:22 [INFO] [stderr] 14: 0x55b34a8419b0 - blackhole::root::spawn_job_runner::{{closure}}::h647920b5d584230b [INFO] [stderr] at /opt/rustwide/workdir/src/root.rs:255 [INFO] [stderr] 15: 0x55b34a870fe1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h652d52168033c873 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 16: 0x55b34a83d2c1 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5552be8fe15a1e74 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:475 [INFO] [stderr] 17: 0x55b34a870e91 - as core::ops::function::FnOnce<()>>::call_once::hd574b5d5e42712c0 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318 [INFO] [stderr] 18: 0x55b34a83dd3a - std::panicking::try::do_call::h937f17d3db5ca07e [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x55b34a8417ad - __rust_try [INFO] [stderr] 20: 0x55b34a83d7a3 - std::panicking::try::h074f813c3c0da5ee [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325 [INFO] [stderr] 21: 0x55b34a8720b1 - std::panic::catch_unwind::h1323dd2330d2fac2 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x55b34a83d08d - std::thread::Builder::spawn_unchecked::{{closure}}::hce80c6b72441cc5b [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:474 [INFO] [stderr] 23: 0x55b34a82e60e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h478dfe2965c0e958 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233 [INFO] [stderr] 24: 0x55b34a8ca30a - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] 25: 0x55b34a8ca30a - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] 26: 0x55b34a8ca30a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7ffa2d584609 - start_thread [INFO] [stderr] 28: 0x7ffa2d490103 - __clone [INFO] [stderr] 29: 0x0 - [INFO] [stdout] #4 -> 27 [INFO] [stdout] #12 -> 27 [INFO] [stdout] #10 -> 27 [INFO] [stdout] #8 -> 27 [INFO] [stdout] 27 + 7 = 34 [INFO] [stdout] #2 -> 40 [INFO] [stdout] #6 -> 40 [INFO] [stdout] 40 + 5 = 45 [INFO] [stdout] 49 + 9 = 58 [INFO] [stdout] #8 -> 66 [INFO] [stdout] #4 -> 66 [INFO] [stdout] #6 -> 66 [INFO] [stdout] #10 -> 66 [INFO] [stdout] test tests ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests blackhole [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - get_online_processors (line 158) ... ok [INFO] [stdout] test src/lib.rs - (line 35) ... ok [INFO] [stdout] test src/job.rs - job::OneTime (line 36) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a1f6de8b4d12cac70a3cb32761ac8c1fb7d58d43c5b6caf7e669423da0f959f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1f6de8b4d12cac70a3cb32761ac8c1fb7d58d43c5b6caf7e669423da0f959f4", kill_on_drop: false }` [INFO] [stdout] a1f6de8b4d12cac70a3cb32761ac8c1fb7d58d43c5b6caf7e669423da0f959f4