[INFO] fetching crate blackhole 0.17.1...
[INFO] testing blackhole-0.17.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate blackhole 0.17.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate blackhole 0.17.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 300fdf47a707035107e1f6acb2b52f159da84b722a7e186a0218780bc998a655
[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" "300fdf47a707035107e1f6acb2b52f159da84b722a7e186a0218780bc998a655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "300fdf47a707035107e1f6acb2b52f159da84b722a7e186a0218780bc998a655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300fdf47a707035107e1f6acb2b52f159da84b722a7e186a0218780bc998a655", kill_on_drop: false }`
[INFO] [stdout] 300fdf47a707035107e1f6acb2b52f159da84b722a7e186a0218780bc998a655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde6999e6e4fdee154d29bf884febdca28109dcc6ba9e3664394a4d6cf43f97a
[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" "fde6999e6e4fdee154d29bf884febdca28109dcc6ba9e3664394a4d6cf43f97a", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackhole v0.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "fde6999e6e4fdee154d29bf884febdca28109dcc6ba9e3664394a4d6cf43f97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde6999e6e4fdee154d29bf884febdca28109dcc6ba9e3664394a4d6cf43f97a", kill_on_drop: false }`
[INFO] [stdout] fde6999e6e4fdee154d29bf884febdca28109dcc6ba9e3664394a4d6cf43f97a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", 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] d3667d0f79c5ee4c102a46536cb8b5a3e57b15ef510bfcc17efbeb93ddac2684
[INFO] running `Command { std: "docker" "start" "-a" "d3667d0f79c5ee4c102a46536cb8b5a3e57b15ef510bfcc17efbeb93ddac2684", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackhole v0.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "d3667d0f79c5ee4c102a46536cb8b5a3e57b15ef510bfcc17efbeb93ddac2684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3667d0f79c5ee4c102a46536cb8b5a3e57b15ef510bfcc17efbeb93ddac2684", kill_on_drop: false }`
[INFO] [stdout] d3667d0f79c5ee4c102a46536cb8b5a3e57b15ef510bfcc17efbeb93ddac2684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] 6e31d2e189e73d9b500f1a9f447002dcb2ed13259d8a3037f16487befdd0ae17
[INFO] running `Command { std: "docker" "start" "-a" "6e31d2e189e73d9b500f1a9f447002dcb2ed13259d8a3037f16487befdd0ae17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blackhole-6ca427f015af114a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] test job::test_one_time ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/root-f8079c119f17e9a6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test stressing_blackhole ... ignored
[INFO] [stdout] test test_get_online_processors ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'Test panicking...', tests/root.rs:28:13
[INFO] [stderr] stack backtrace:
[INFO] [stdout] 0 + 1 = 1
[INFO] [stdout] #2 -> 1
[INFO] [stdout] 1 + 7 = 8
[INFO] [stdout] 14 + 3 = 17
[INFO] [stderr]    0:     0x55ed4ff301b0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55ed4ff301b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ed4ff301b0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55ed4ff301b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55ed4ff5250c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x55ed4ff2c952 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x55ed4ff326cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55ed4ff326cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55ed4ff326cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x55ed4ff32378 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x55ed4ff32db1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x55ed4fea4ba8 - std::panicking::begin_panic::{{closure}}::h4eb9e58163a1e967
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]   12:     0x55ed4feccbb8 - std::sys_common::backtrace::__rust_end_short_backtrace::h39b727a90af8f8af
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x55ed4fea4ad3 - std::panicking::begin_panic::hc7460b48ca3c6efe
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]   14:     0x55ed4fe916bf - <root::Task as blackhole::job::Job>::run::h6a5a6e6ba4a30a9a
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/root.rs:28
[INFO] [stderr]   15:     0x55ed4fea60dd - blackhole::job::run_to_end::h23e85b0dde86822e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/job.rs:22
[INFO] [stderr]   16:     0x55ed4fea65f0 - blackhole::root::spawn_job_runner::{{closure}}::h1c82db90077f15ff
[INFO] [stderr]                                at /opt/rustwide/workdir/src/root.rs:255
[INFO] [stderr]   17:     0x55ed4fecccae - std::sys_common::backtrace::__rust_begin_short_backtrace::h745eb8e7e45a581b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x55ed4fea4771 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h6de31a2b11d2f58b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   19:     0x55ed4fe9f621 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hded5e2e4df7b436d
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x55ed4fea528c - std::panicking::try::do_call::hff9432b00d949723
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   21:     0x55ed4fea63ed - __rust_try
[INFO] [stderr]   22:     0x55ed4fea5083 - std::panicking::try::hcbd85bdb8120510d
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   23:     0x55ed4fea1e81 - std::panic::catch_unwind::h01f1e600514aee1c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   24:     0x55ed4fea3f7d - std::thread::Builder::spawn_unchecked::{{closure}}::h8e359401b90081e2
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   25:     0x55ed4fe93bbe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h12ffeae5a4322814
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x55ed4ff38dda - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   27:     0x55ed4ff38dda - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   28:     0x55ed4ff38dda - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7f137e81e609 - start_thread
[INFO] [stderr]   30:     0x7f137eaa9103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stdout] #2 -> 19
[INFO] [stdout] 19 + 11 = 30
[INFO] [stdout] #8 -> 40
[INFO] [stdout] #10 -> 40
[INFO] [stdout] 40 + 9 = 49
[INFO] [stdout] #4 -> 57
[INFO] [stdout] #8 -> 57
[INFO] [stdout] #6 -> 57
[INFO] [stdout] 57 + 5 = 62
[INFO] [stderr]    Doc-tests blackhole
[INFO] [stdout] #12 -> 66
[INFO] [stdout] #10 -> 66
[INFO] [stdout] #4 -> 66
[INFO] [stdout] #6 -> 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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - get_online_processors (line 158) ... ok
[INFO] [stdout] test src/job.rs - job::OneTime (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... 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" "6e31d2e189e73d9b500f1a9f447002dcb2ed13259d8a3037f16487befdd0ae17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e31d2e189e73d9b500f1a9f447002dcb2ed13259d8a3037f16487befdd0ae17", kill_on_drop: false }`
[INFO] [stdout] 6e31d2e189e73d9b500f1a9f447002dcb2ed13259d8a3037f16487befdd0ae17
