[INFO] fetching crate fibers_tasque 0.1.2... [INFO] testing fibers_tasque-0.1.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate fibers_tasque 0.1.2 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate fibers_tasque 0.1.2 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 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-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 93d6790cba4f07140cedc5e998212a962a94726d0b79afeef2257bcae48be60b [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" "93d6790cba4f07140cedc5e998212a962a94726d0b79afeef2257bcae48be60b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93d6790cba4f07140cedc5e998212a962a94726d0b79afeef2257bcae48be60b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93d6790cba4f07140cedc5e998212a962a94726d0b79afeef2257bcae48be60b", kill_on_drop: false }` [INFO] [stdout] 93d6790cba4f07140cedc5e998212a962a94726d0b79afeef2257bcae48be60b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] dec5d142819d83700a56ce7d31d2e333ad972fc1935e859a166743ffa953a334 [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" "dec5d142819d83700a56ce7d31d2e333ad972fc1935e859a166743ffa953a334", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling atomic_immut v0.1.4 [INFO] [stderr] Compiling nbchan v0.1.3 [INFO] [stderr] Compiling splay_tree v0.2.10 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling quote v1.0.7 [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] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/async.rs:55:14 [INFO] [stdout] | [INFO] [stdout] 55 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.76s [INFO] running `Command { std: "docker" "inspect" "dec5d142819d83700a56ce7d31d2e333ad972fc1935e859a166743ffa953a334", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dec5d142819d83700a56ce7d31d2e333ad972fc1935e859a166743ffa953a334", kill_on_drop: false }` [INFO] [stdout] dec5d142819d83700a56ce7d31d2e333ad972fc1935e859a166743ffa953a334 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3a8a7e12e5aa601a4eae3623d5b1c54895ad2f0a3a6357718873f23512e1803b [INFO] running `Command { std: "docker" "start" "-a" "3a8a7e12e5aa601a4eae3623d5b1c54895ad2f0a3a6357718873f23512e1803b", kill_on_drop: false }` [INFO] [stderr] Compiling fibers_tasque v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/async.rs:55:14 [INFO] [stdout] | [INFO] [stdout] 55 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/async.rs:55:14 [INFO] [stdout] | [INFO] [stdout] 55 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "3a8a7e12e5aa601a4eae3623d5b1c54895ad2f0a3a6357718873f23512e1803b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a8a7e12e5aa601a4eae3623d5b1c54895ad2f0a3a6357718873f23512e1803b", kill_on_drop: false }` [INFO] [stdout] 3a8a7e12e5aa601a4eae3623d5b1c54895ad2f0a3a6357718873f23512e1803b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 347a10a8b4bd6beaa5cca2b1d218d4b579fb580958b14a26c94d9aa273da9204 [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" "347a10a8b4bd6beaa5cca2b1d218d4b579fb580958b14a26c94d9aa273da9204", kill_on_drop: false }` [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-e88c40191d5f06d8 [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: 0x5595cc1ab485 - 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: 0x5595cc1ab485 - 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: 0x5595cc1ab485 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5595cc1ab485 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5595cc1d320c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5595cc1a7b72 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x5595cc1adbf0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5595cc1adbf0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5595cc1adbf0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5595cc1ad93c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x5595cc1ae233 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stdout] test test::it_works ... ok [INFO] [stderr] 11: 0x5595cc1988b9 - std::panicking::begin_panic::h6eab5cd72811e6b0 [INFO] [stdout] [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:456 [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 12: 0x5595cc089dfd - fibers_tasque::test::it_works::{{closure}}::h4247c616025ddca2 [INFO] [stdout] [INFO] [stderr] at src/lib.rs:40 [INFO] [stderr] 13: 0x5595cc087583 - ::async_call::{{closure}}::hc51195961a2913dc [INFO] [stderr] at src/async.rs:27 [INFO] [stderr] 14: 0x5595cc0873da - tasque::task::Task::new::{{closure}}::hd3c7b78010a16770 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/task.rs:21 [INFO] [stderr] 15: 0x5595cc0e1656 - as core::ops::function::FnMut>::call_mut::h6d92451bc67d60d9 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1088 [INFO] [stderr] 16: 0x5595cc0e5c61 - tasque::task::Task::execute::hbed1bb9f5a00547e [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/task.rs:31 [INFO] [stderr] 17: 0x5595cc0e62a0 - tasque::worker::Worker::run_once::{{closure}}::h51440a084ce9c328 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:25 [INFO] [stderr] 18: 0x5595cc0c817e - prometrics::metrics::histogram::Histogram::time::hf8d6edee5b7f0171 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.13/src/metrics/histogram.rs:102 [INFO] [stderr] 19: 0x5595cc0e61be - tasque::worker::Worker::run_once::ha8e5d6166792bf0a [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:25 [INFO] [stderr] 20: 0x5595cc0e6053 - tasque::worker::Worker::start::{{closure}}::h6c270ba3372f836d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:17 [INFO] [stderr] 21: 0x5595cc0cd9a5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h96df1c6d16b57eed [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 22: 0x5595cc0cee56 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h91a7374ff687caf1 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:475 [INFO] [stderr] 23: 0x5595cc0e4ab9 - as core::ops::function::FnOnce<()>>::call_once::hb708c9a7544e5d9f [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318 [INFO] [stderr] 24: 0x5595cc0cf292 - std::panicking::try::do_call::h790b6a52b8dc0c7f [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348 [INFO] [stderr] 25: 0x5595cc0cf91d - __rust_try [INFO] [stderr] 26: 0x5595cc0cf1cd - std::panicking::try::hdeaea4607a7f5ae3 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325 [INFO] [stderr] 27: 0x5595cc0e4f39 - std::panic::catch_unwind::h7d4878dd105c8f4e [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394 [INFO] [stderr] 28: 0x5595cc0cec11 - std::thread::Builder::spawn_unchecked::{{closure}}::h9fdd86ebf891e0d0 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:474 [INFO] [stderr] 29: 0x5595cc0c8b0f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8cf1b2c2151b58dc [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233 [INFO] [stderr] 30: 0x5595cc1b445a - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] 31: 0x5595cc1b445a - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081 [INFO] [stderr] 32: 0x5595cc1b445a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 33: 0x7fea956d1609 - start_thread [INFO] [stderr] 34: 0x7fea955dd103 - __clone [INFO] [stderr] 35: 0x0 - [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 `Command { std: "docker" "inspect" "347a10a8b4bd6beaa5cca2b1d218d4b579fb580958b14a26c94d9aa273da9204", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "347a10a8b4bd6beaa5cca2b1d218d4b579fb580958b14a26c94d9aa273da9204", kill_on_drop: false }` [INFO] [stdout] 347a10a8b4bd6beaa5cca2b1d218d4b579fb580958b14a26c94d9aa273da9204