[INFO] fetching crate fibers_tasque 0.1.2... [INFO] testing fibers_tasque-0.1.2 against 1.44.0 for beta-1.45-1 [INFO] extracting crate fibers_tasque 0.1.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate fibers_tasque 0.1.2 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate fibers_tasque 0.1.2 [INFO] finished tweaking crates.io crate fibers_tasque 0.1.2 [INFO] tweaked toml for crates.io crate fibers_tasque 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-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" "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] cf03e356b7c50b1ae801e154cb6f0a5d341ee27b010db5206d8ff1b25bb56dfd [INFO] running `"docker" "start" "-a" "cf03e356b7c50b1ae801e154cb6f0a5d341ee27b010db5206d8ff1b25bb56dfd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling atomic_immut v0.1.4 [INFO] [stderr] Compiling splay_tree v0.2.10 [INFO] [stderr] Compiling nbchan v0.1.3 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling fibers v0.1.13 [INFO] [stderr] Compiling trackable_derive v0.1.3 [INFO] [stderr] Compiling trackable v0.2.23 [INFO] [stderr] Compiling prometrics v0.1.13 [INFO] [stderr] Compiling tasque v0.1.5 [INFO] [stderr] Compiling fibers_tasque v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/async.rs:55:14 [INFO] [stderr] | [INFO] [stderr] 55 | self.description().fmt(f) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.72s [INFO] running `"docker" "inspect" "cf03e356b7c50b1ae801e154cb6f0a5d341ee27b010db5206d8ff1b25bb56dfd"` [INFO] running `"docker" "rm" "-f" "cf03e356b7c50b1ae801e154cb6f0a5d341ee27b010db5206d8ff1b25bb56dfd"` [INFO] [stdout] cf03e356b7c50b1ae801e154cb6f0a5d341ee27b010db5206d8ff1b25bb56dfd [INFO] running `"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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d13f1fb21e1ece137d5ed5479b7143a593643951506b482d2851c752bd3ecf49 [INFO] running `"docker" "start" "-a" "d13f1fb21e1ece137d5ed5479b7143a593643951506b482d2851c752bd3ecf49"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling fibers_tasque v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/async.rs:55:14 [INFO] [stderr] | [INFO] [stderr] 55 | self.description().fmt(f) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/async.rs:55:14 [INFO] [stderr] | [INFO] [stderr] 55 | self.description().fmt(f) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.83s [INFO] running `"docker" "inspect" "d13f1fb21e1ece137d5ed5479b7143a593643951506b482d2851c752bd3ecf49"` [INFO] running `"docker" "rm" "-f" "d13f1fb21e1ece137d5ed5479b7143a593643951506b482d2851c752bd3ecf49"` [INFO] [stdout] d13f1fb21e1ece137d5ed5479b7143a593643951506b482d2851c752bd3ecf49 [INFO] running `"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" "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] f67753a012c5d6ed4ddb5dd64a7260d3213c07042aa16ff2cff132374514918a [INFO] running `"docker" "start" "-a" "f67753a012c5d6ed4ddb5dd64a7260d3213c07042aa16ff2cff132374514918a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/async.rs:55:14 [INFO] [stderr] | [INFO] [stderr] 55 | self.description().fmt(f) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/async.rs:55:14 [INFO] [stderr] | [INFO] [stderr] 55 | self.description().fmt(f) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fibers_tasque-5e73dd0f23fedd89 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] thread '' panicked at 'explicit panic', src/lib.rs:40:63 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x564dc8f87b74 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x564dc8f87b74 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x564dc8f87b74 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x564dc8f87b74 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x564dc8fb08cc - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x564dc8f84373 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x564dc8f8a455 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x564dc8f8a455 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x564dc8f8a455 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x564dc8f8a192 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x564dc8f8aab2 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x564dc8f0ba11 - std::panicking::begin_panic::h68579054a05ed2b4 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x564dc8e59efd - fibers_tasque::test::it_works::{{closure}}::h5344978bed27de74 [INFO] [stderr] at src/lib.rs:40 [INFO] [stderr] 13: 0x564dc8e57273 - ::async_call::{{closure}}::hf20b09cc76c84f14 [INFO] [stderr] at src/async.rs:27 [INFO] [stderr] 14: 0x564dc8e56efa - tasque::task::Task::new::{{closure}}::he34a6f0ad6017e62 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/task.rs:21 [INFO] [stderr] 15: 0x564dc8eaf706 - as core::ops::function::FnMut>::call_mut::h66bd1ef543fbe55b [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1015 [INFO] [stderr] 16: 0x564dc8ec3671 - tasque::task::Task::execute::hffc1227c00043b05 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/task.rs:31 [INFO] [stderr] 17: 0x564dc8eb4810 - tasque::worker::Worker::run_once::{{closure}}::h1a98fd6cae4674bd [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:25 [INFO] [stderr] 18: 0x564dc8ec392e - prometrics::metrics::histogram::Histogram::time::h67fde537509a8c09 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.13/src/metrics/histogram.rs:102 [INFO] [stderr] 19: 0x564dc8eb472e - tasque::worker::Worker::run_once::h3a6bff897db30274 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:25 [INFO] [stderr] 20: 0x564dc8eb45c3 - tasque::worker::Worker::start::{{closure}}::h4199cbefdbb0ff9d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:17 [INFO] [stderr] 21: 0x564dc8e99065 - std::sys_common::backtrace::__rust_begin_short_backtrace::h07dbd3f1f5834559 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 22: 0x564dc8e9a516 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::haa37402cd6835519 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stderr] 23: 0x564dc8ea9d09 - as core::ops::function::FnOnce<()>>::call_once::h07524c1c24d1c0a5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stderr] 24: 0x564dc8eaa2b2 - std::panicking::try::do_call::hfc0f39d26779ed52 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stderr] 25: 0x564dc8eabb1d - __rust_try [INFO] [stderr] 26: 0x564dc8eaa1ed - std::panicking::try::hc07abe2d7420f73d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stderr] 27: 0x564dc8ea9f89 - std::panic::catch_unwind::h81ef6433b458a308 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stderr] 28: 0x564dc8e99fd1 - std::thread::Builder::spawn_unchecked::{{closure}}::h511c31e24a93bc62 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stderr] 29: 0x564dc8e9a6ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6a3de47299709b4b [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stderr] 30: 0x564dc8f9131a - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 31: 0x564dc8f9131a - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stderr] 32: 0x564dc8f9131a - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 33: 0x7fa8daf7c609 - start_thread [INFO] [stderr] 34: 0x7fa8dae88103 - __clone [INFO] [stderr] 35: 0x0 - [INFO] [stdout] test test::it_works ... 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 fibers_tasque [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 10) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "f67753a012c5d6ed4ddb5dd64a7260d3213c07042aa16ff2cff132374514918a"` [INFO] running `"docker" "rm" "-f" "f67753a012c5d6ed4ddb5dd64a7260d3213c07042aa16ff2cff132374514918a"` [INFO] [stdout] f67753a012c5d6ed4ddb5dd64a7260d3213c07042aa16ff2cff132374514918a