[INFO] crate panic_monitor 0.2.1 is already in cache
[INFO] testing panic_monitor-0.2.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate panic_monitor 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate panic_monitor 0.2.1 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 panic_monitor 0.2.1
[INFO] finished tweaking crates.io crate panic_monitor 0.2.1
[INFO] tweaked toml for crates.io crate panic_monitor 0.2.1 written to /workspace/builds/worker-2/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-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" "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] [stdout] 88f182a7a389cea6695ce11d50ded7b271bdc180cd2a64a8d8f1f94fd4c1c18a
[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" "88f182a7a389cea6695ce11d50ded7b271bdc180cd2a64a8d8f1f94fd4c1c18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f182a7a389cea6695ce11d50ded7b271bdc180cd2a64a8d8f1f94fd4c1c18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f182a7a389cea6695ce11d50ded7b271bdc180cd2a64a8d8f1f94fd4c1c18a", kill_on_drop: false }`
[INFO] [stdout] 88f182a7a389cea6695ce11d50ded7b271bdc180cd2a64a8d8f1f94fd4c1c18a
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1cacb67262990b4ff23f1e066ad0b84a4bd276a3207e4bfdc471987357a307b9
[INFO] running `Command { std: "docker" "start" "-a" "1cacb67262990b4ff23f1e066ad0b84a4bd276a3207e4bfdc471987357a307b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic_monitor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "1cacb67262990b4ff23f1e066ad0b84a4bd276a3207e4bfdc471987357a307b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cacb67262990b4ff23f1e066ad0b84a4bd276a3207e4bfdc471987357a307b9", kill_on_drop: false }`
[INFO] [stdout] 1cacb67262990b4ff23f1e066ad0b84a4bd276a3207e4bfdc471987357a307b9
[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" "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] bfd6b1d9b7b3e8d97886e5db76bf6d95cccaf8951fdef177a2df61dfcf4a42c2
[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" "bfd6b1d9b7b3e8d97886e5db76bf6d95cccaf8951fdef177a2df61dfcf4a42c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling panic_monitor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "bfd6b1d9b7b3e8d97886e5db76bf6d95cccaf8951fdef177a2df61dfcf4a42c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd6b1d9b7b3e8d97886e5db76bf6d95cccaf8951fdef177a2df61dfcf4a42c2", kill_on_drop: false }`
[INFO] [stdout] bfd6b1d9b7b3e8d97886e5db76bf6d95cccaf8951fdef177a2df61dfcf4a42c2
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a12b522c66de5475e0665cbb2921543824f4360c68c54ab84f2eaad14ced85b
[INFO] running `Command { std: "docker" "start" "-a" "6a12b522c66de5475e0665cbb2921543824f4360c68c54ab84f2eaad14ced85b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/panic_monitor-fdb6ecdda380d46e
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-610e903b751e71a2
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', tests/test.rs:18:78
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55bff6dfd0d5 - 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:     0x55bff6dfd0d5 - 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:     0x55bff6dfd0d5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55bff6dfd0d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55bff6e2509c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55bff6df9912 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55bff6dffa80 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55bff6dffa80 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55bff6dffa80 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55bff6dff7cc - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55bff6de5086 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h2ba48eb265d3be11
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1095
[INFO] [stderr]   11:     0x55bff6de9a92 - panic_monitor::PanicMonitor::init::{{closure}}::h7fe440f556b8c372
[INFO] [stderr]                                at src/lib.rs:120
[INFO] [stderr]   12:     0x55bff6e000e8 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:530
[INFO] [stderr]   13:     0x55bff6d9f105 - std::panicking::begin_panic::h761165415c22c8f1
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:456
[INFO] [stderr]   14:     0x55bff6d9e84e - test::test::{{closure}}::h77707ef4ed1415b5
[INFO] [stderr]                                at tests/test.rs:18
[INFO] [stderr]   15:     0x55bff6da17f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hfa1dd124f2969b5c
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   16:     0x55bff6d98e06 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1a37dd84b3d6ef81
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:475
[INFO] [stderr]   17:     0x55bff6d9c429 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7fa2b8a25ed035b7
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318
[INFO] [stderr]   18:     0x55bff6d9f38c - std::panicking::try::do_call::h72dc9fa60d9c0d50
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348
[INFO] [stderr]   19:     0x55bff6d9f77d - __rust_try
[INFO] [stderr]   20:     0x55bff6d9f194 - std::panicking::try::h62a641f345ded4d8
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325
[INFO] [stderr]   21:     0x55bff6d9c569 - std::panic::catch_unwind::hb859481a4bb90f1f
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x55bff6d989b8 - std::thread::Builder::spawn_unchecked::{{closure}}::hcffc828cfd44d488
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:474
[INFO] [stderr]   23:     0x55bff6d9c828 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb49fe8448a0a9276
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233
[INFO] [stderr]   24:     0x55bff6e062ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081
[INFO] [stderr]   25:     0x55bff6e062ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55bff6e062ea - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   27:     0x7f9529b73609 - start_thread
[INFO] [stderr]   28:     0x7f9529a7f103 - __clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests panic_monitor
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a12b522c66de5475e0665cbb2921543824f4360c68c54ab84f2eaad14ced85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a12b522c66de5475e0665cbb2921543824f4360c68c54ab84f2eaad14ced85b", kill_on_drop: false }`
[INFO] [stdout] 6a12b522c66de5475e0665cbb2921543824f4360c68c54ab84f2eaad14ced85b