[INFO] crate fibers_tasque 0.1.2 is already in cache [INFO] testing fibers_tasque-0.1.2 against beta-2020-07-24 for beta-1.46-1 [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 beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f3ea6191eeffc9cecd682258dec1638e8a0a6d28473efbb2a75e0ff1ab5ed88b [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" "f3ea6191eeffc9cecd682258dec1638e8a0a6d28473efbb2a75e0ff1ab5ed88b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f3ea6191eeffc9cecd682258dec1638e8a0a6d28473efbb2a75e0ff1ab5ed88b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3ea6191eeffc9cecd682258dec1638e8a0a6d28473efbb2a75e0ff1ab5ed88b", kill_on_drop: false }` [INFO] [stdout] f3ea6191eeffc9cecd682258dec1638e8a0a6d28473efbb2a75e0ff1ab5ed88b [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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aab60eae7f36de7f6030d95a96f7196328a418e6249cc6739796b8939e587ab5 [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" "aab60eae7f36de7f6030d95a96f7196328a418e6249cc6739796b8939e587ab5", kill_on_drop: false }` [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 procinfo v0.4.2 [INFO] [stderr] Compiling trackable_derive v0.1.3 [INFO] [stderr] Compiling fibers v0.1.13 [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 18.55s [INFO] running `Command { std: "docker" "inspect" "aab60eae7f36de7f6030d95a96f7196328a418e6249cc6739796b8939e587ab5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aab60eae7f36de7f6030d95a96f7196328a418e6249cc6739796b8939e587ab5", kill_on_drop: false }` [INFO] [stdout] aab60eae7f36de7f6030d95a96f7196328a418e6249cc6739796b8939e587ab5 [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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f2ef60d70e7c0ef8384db3e0c3fbe5025a628907aa5361f61cb3ade04b28475 [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" "5f2ef60d70e7c0ef8384db3e0c3fbe5025a628907aa5361f61cb3ade04b28475", 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 2.27s [INFO] running `Command { std: "docker" "inspect" "5f2ef60d70e7c0ef8384db3e0c3fbe5025a628907aa5361f61cb3ade04b28475", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f2ef60d70e7c0ef8384db3e0c3fbe5025a628907aa5361f61cb3ade04b28475", kill_on_drop: false }` [INFO] [stdout] 5f2ef60d70e7c0ef8384db3e0c3fbe5025a628907aa5361f61cb3ade04b28475 [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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e3b77b61a92d8f370c13bc56d98c726524e690c9b57adddb5e7625199a910bb9 [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" "e3b77b61a92d8f370c13bc56d98c726524e690c9b57adddb5e7625199a910bb9", 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 0.16s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fibers_tasque-45a8845f9cad8286 [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: 0x55f84071abd5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55f84071abd5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f84071abd5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55f84071abd5 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55f84074294c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55f8407172c2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55f84071d340 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55f84071d340 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55f84071d340 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55f84071d08c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55f84071d983 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55f8407037a9 - std::panicking::begin_panic::hd5001af94616ae7a [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x55f8405f9dfd - fibers_tasque::test::it_works::{{closure}}::h52734b19fbb1ea94 [INFO] [stderr] at src/lib.rs:40 [INFO] [stderr] 13: 0x55f8405f7583 - ::async_call::{{closure}}::h9e96ddd0869b8bd2 [INFO] [stderr] at src/async.rs:27 [INFO] [stderr] 14: 0x55f8405f73da - tasque::task::Task::new::{{closure}}::hbc4563d335eac23b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/task.rs:21 [INFO] [stderr] 15: 0x55f8406514e6 - as core::ops::function::FnMut>::call_mut::h3589cd4a9e9a5f5d [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1088 [INFO] [stdout] test test::it_works ... ok [INFO] [stderr] 16: 0x55f840655c61 - tasque::task::Task::execute::h75a8f0f528550469 [INFO] [stdout] [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/task.rs:31 [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 17: 0x55f8406562a0 - tasque::worker::Worker::run_once::{{closure}}::h620311bb001aee0c [INFO] [stdout] [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:25 [INFO] [stderr] 18: 0x55f8406381ce - prometrics::metrics::histogram::Histogram::time::h16d60ee512389643 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.13/src/metrics/histogram.rs:102 [INFO] [stderr] 19: 0x55f8406561be - tasque::worker::Worker::run_once::h113dc08a52cdb4bf [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:25 [INFO] [stderr] 20: 0x55f840656053 - tasque::worker::Worker::start::{{closure}}::h9527b50dfe39dec4 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tasque-0.1.5/src/worker.rs:17 [INFO] [stderr] 21: 0x55f84063d835 - std::sys_common::backtrace::__rust_begin_short_backtrace::he7edf217157fdc8d [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 22: 0x55f84063ece6 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8006a72be4a5b541 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475 [INFO] [stderr] 23: 0x55f840654949 - as core::ops::function::FnOnce<()>>::call_once::h563190fb49dbedd8 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stderr] 24: 0x55f84063f122 - std::panicking::try::do_call::h07e0018021af070c [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stderr] 25: 0x55f84063f7ad - __rust_try [INFO] [stderr] 26: 0x55f84063f05d - std::panicking::try::habcaf46fdc3a7d14 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stderr] 27: 0x55f840654f49 - std::panic::catch_unwind::hfe13371a0306e535 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stderr] 28: 0x55f84063e761 - std::thread::Builder::spawn_unchecked::{{closure}}::h1eb008f05831a089 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474 [INFO] [stderr] 29: 0x55f8406389df - core::ops::function::FnOnce::call_once{{vtable.shim}}::hcaea936d8d0db139 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stderr] 30: 0x55f840723bca - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 31: 0x55f840723bca - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 32: 0x55f840723bca - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 33: 0x7f35e7cfb609 - start_thread [INFO] [stderr] 34: 0x7f35e7c07103 - __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" "e3b77b61a92d8f370c13bc56d98c726524e690c9b57adddb5e7625199a910bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3b77b61a92d8f370c13bc56d98c726524e690c9b57adddb5e7625199a910bb9", kill_on_drop: false }` [INFO] [stdout] e3b77b61a92d8f370c13bc56d98c726524e690c9b57adddb5e7625199a910bb9