[INFO] fetching crate promiser 0.0.5...
[INFO] testing promiser-0.0.5 against 1.47.0 for beta-1.48-1
[INFO] extracting crate promiser 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate promiser 0.0.5 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate promiser 0.0.5
[INFO] finished tweaking crates.io crate promiser 0.0.5
[INFO] tweaked toml for crates.io crate promiser 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2878732aee95abf67fc3ddf952d4f8c5ea32de183ba1b9d1883edec4cdd43849
[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" "2878732aee95abf67fc3ddf952d4f8c5ea32de183ba1b9d1883edec4cdd43849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2878732aee95abf67fc3ddf952d4f8c5ea32de183ba1b9d1883edec4cdd43849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2878732aee95abf67fc3ddf952d4f8c5ea32de183ba1b9d1883edec4cdd43849", kill_on_drop: false }`
[INFO] [stdout] 2878732aee95abf67fc3ddf952d4f8c5ea32de183ba1b9d1883edec4cdd43849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7538ea8646aefdd330726d11488a7271ee192a0c20d5c6f359c1e6acb22c74d2
[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" "7538ea8646aefdd330726d11488a7271ee192a0c20d5c6f359c1e6acb22c74d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling promiser v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "7538ea8646aefdd330726d11488a7271ee192a0c20d5c6f359c1e6acb22c74d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7538ea8646aefdd330726d11488a7271ee192a0c20d5c6f359c1e6acb22c74d2", kill_on_drop: false }`
[INFO] [stdout] 7538ea8646aefdd330726d11488a7271ee192a0c20d5c6f359c1e6acb22c74d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7b1fceb1a333fd2ad0bb4d1e4faa8e8582bad784733fd1d647ee601435b902
[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" "3a7b1fceb1a333fd2ad0bb4d1e4faa8e8582bad784733fd1d647ee601435b902", kill_on_drop: false }`
[INFO] [stderr]    Compiling promiser v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "3a7b1fceb1a333fd2ad0bb4d1e4faa8e8582bad784733fd1d647ee601435b902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7b1fceb1a333fd2ad0bb4d1e4faa8e8582bad784733fd1d647ee601435b902", kill_on_drop: false }`
[INFO] [stdout] 3a7b1fceb1a333fd2ad0bb4d1e4faa8e8582bad784733fd1d647ee601435b902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19a88925e0b7777319ad3fd934d175e54bb6c5505f131e38b48ecce64552b8b9
[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" "19a88925e0b7777319ad3fd934d175e54bb6c5505f131e38b48ecce64552b8b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/promiser-90401084804b4358
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test latch::tests::test_latch ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'proc dead', src/promise.rs:221:17
[INFO] [stdout] test promise::tests::test_promise_linear ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test promise::tests::test_promise_threaded_panic_safely2 ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'proc dead', src/promise.rs:234:17
[INFO] [stdout] test promise::tests::test_promise_threaded ... ok
[INFO] [stderr]    0:     0x55773c8414f0 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55773c8414f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55773c8414f0 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55773c8414f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55773c8642fc - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x55773c83e177 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout] test promise::tests::test_promise_threaded_panic_safely ... ok
[INFO] [stderr]    6:     0x55773c843970 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout] 
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    7:     0x55773c843970 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout] 
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55773c843970 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x55773c8436bc - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x55773c843fd3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x55773c823bdc - std::panicking::begin_panic::{{closure}}::ha0e3a85017754425
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x55773c824849 - std::sys_common::backtrace::__rust_end_short_backtrace::h6dae243c0483b687
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x55773c823b07 - std::panicking::begin_panic::ha692015c7e6dfc60
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x55773c7d07d7 - promiser::promise::tests::test_promise_threaded_panic_safely::{{closure}}::hc246ce0921a796d6
[INFO] [stderr]                                at /opt/rustwide/workdir/src/promise.rs:221
[INFO] [stderr]   15:     0x55773c7cc852 - std::sys_common::backtrace::__rust_begin_short_backtrace::h166220bac24bdb3a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   16:     0x55773c7d2760 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h86e309a31b82f034
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   17:     0x55773c7e34f0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha5e8bc52a6b1d507
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   18:     0x55773c7d4357 - std::panicking::try::do_call::h76c4c8277502b9d6
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   19:     0x55773c7d63dd - __rust_try
[INFO] [stderr]   20:     0x55773c7d3f40 - std::panicking::try::h2a5ac191ad20d6c1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   21:     0x55773c7e39c2 - std::panic::catch_unwind::h1c66f44b44f8c90c
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   22:     0x55773c7d24e9 - std::thread::Builder::spawn_unchecked::{{closure}}::hcee6276fd454c18b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   23:     0x55773c7d470e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hbe8fd76e893e153d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   24:     0x55773c84a7da - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   25:     0x55773c84a7da - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   26:     0x55773c84a7da - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   27:     0x7ff391522609 - start_thread
[INFO] [stderr]   28:     0x7ff39142e103 - clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stderr]    Doc-tests promiser
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19a88925e0b7777319ad3fd934d175e54bb6c5505f131e38b48ecce64552b8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a88925e0b7777319ad3fd934d175e54bb6c5505f131e38b48ecce64552b8b9", kill_on_drop: false }`
[INFO] [stdout] 19a88925e0b7777319ad3fd934d175e54bb6c5505f131e38b48ecce64552b8b9
