[INFO] fetching crate vcontrol 0.3.4... [INFO] testing vcontrol-0.3.4 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate vcontrol 0.3.4 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate vcontrol 0.3.4 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate vcontrol 0.3.4 [INFO] finished tweaking crates.io crate vcontrol 0.3.4 [INFO] tweaked toml for crates.io crate vcontrol 0.3.4 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate vcontrol 0.3.4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded yaml-merge-keys v0.4.0 [INFO] [stderr] Downloaded ryu v1.0.3 [INFO] [stderr] Downloaded linked-hash-map v0.5.2 [INFO] [stderr] Downloaded yaml-rust v0.4.3 [INFO] [stderr] Downloaded serde_yaml v0.8.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 391ba09b3d1aee5d837051254a341356c3033f43fb0936a3f9eee15f3ad00e16 [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" "391ba09b3d1aee5d837051254a341356c3033f43fb0936a3f9eee15f3ad00e16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "391ba09b3d1aee5d837051254a341356c3033f43fb0936a3f9eee15f3ad00e16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "391ba09b3d1aee5d837051254a341356c3033f43fb0936a3f9eee15f3ad00e16", kill_on_drop: false }` [INFO] [stdout] 391ba09b3d1aee5d837051254a341356c3033f43fb0936a3f9eee15f3ad00e16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 30e73838aa80e187651ffb9f6ecc804170bbd21af2cd9d9f2ac6b4e0855eb7ea [INFO] running `Command { std: "docker" "start" "-a" "30e73838aa80e187651ffb9f6ecc804170bbd21af2cd9d9f2ac6b4e0855eb7ea", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling dtoa v0.4.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling serde_yaml v0.8.11 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling ioctl-rs v0.1.6 [INFO] [stderr] Compiling serial-core v0.4.0 [INFO] [stderr] Compiling serial-unix v0.4.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling serial v0.4.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling thiserror-impl v1.0.11 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling thiserror v1.0.11 [INFO] [stderr] Compiling yaml-merge-keys v0.4.0 [INFO] [stderr] Compiling vcontrol v0.3.4 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `vcontrol v0.3.4 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/vcontrol-94f42f3af7a2998f/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'attempted to leave type `linked_hash_map::Node` uninitialized, which is invalid', /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/mem/mod.rs:659:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x565405e17dc0 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x565405e17dc0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x565405e17dc0 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x565405e17dc0 - ::fmt::h7881e3a580134f9a [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x565405e38f3c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x565405e159f2 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x565405e1a085 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x565405e1a085 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x565405e1a085 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x565405e19bda - std::panicking::default_hook::hb08853b392b9404b [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x565405e1a821 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x565405e1a337 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:495:13 [INFO] [stderr] 12: 0x565405e1827c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x565405e1a2c9 - rust_begin_unwind [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x565405e378c1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x565405e3780d - core::panicking::panic::h5d1c61fed2502a5f [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:50:5 [INFO] [stderr] 16: 0x565405db2dc3 - core::mem::uninitialized::h0139a4195e9793ff [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/mem/mod.rs:659:9 [INFO] [stderr] 17: 0x565405db2dc3 - linked_hash_map::LinkedHashMap::ensure_guard_node::h13a2da04cdf1e1ca [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.2/src/lib.rs:174:52 [INFO] [stderr] 18: 0x565405db3067 - linked_hash_map::LinkedHashMap::insert::h33e6f9d60bc06fc5 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.2/src/lib.rs:304:9 [INFO] [stderr] 19: 0x565405d7d597 - serde_yaml::mapping::Mapping::insert::h28a59feaa6ff19f0 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/mapping.rs:53:9 [INFO] [stderr] 20: 0x565405d4b600 - ::deserialize::ValueVisitor as serde::de::Visitor>::visit_map::h6ef7ef2b304c277b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/value/de.rs:107:21 [INFO] [stderr] 21: 0x565405d5366c - serde_yaml::de::Deserializer::visit_mapping::{{closure}}::h70ab1f77db74ed12 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:175:25 [INFO] [stderr] 22: 0x565405d53d4a - serde_yaml::de::Deserializer::recursion_check::h3b9c2f95cc73095f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:239:22 [INFO] [stderr] 23: 0x565405d53371 - serde_yaml::de::Deserializer::visit_mapping::h9efc444af5ab1c46 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:169:28 [INFO] [stderr] 24: 0x565405d5732e - <&mut serde_yaml::de::Deserializer as serde::de::Deserializer>::deserialize_any::h594cb2b5f58aa4f2 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:657:36 [INFO] [stderr] 25: 0x565405d7b9b5 - serde_yaml::value::de::::deserialize::h58715d4baab77d49 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/value/de.rs:114:9 [INFO] [stderr] 26: 0x565405d6fcf5 - as serde::de::DeserializeSeed>::deserialize::hb4af2e5c46f0cf1c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.104/src/de/mod.rs:786:9 [INFO] [stderr] 27: 0x565405d56cbe - ::next_value_seed::hc9423ab087bd0c27 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:365:9 [INFO] [stderr] 28: 0x565405d565bb - serde::de::MapAccess::next_entry_seed::h98be82b493b13792 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.104/src/de/mod.rs:1813:34 [INFO] [stderr] 29: 0x565405d563c6 - serde::de::MapAccess::next_entry::hddc8915a89edf773 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.104/src/de/mod.rs:1861:9 [INFO] [stderr] 30: 0x565405d56369 - <&mut A as serde::de::MapAccess>::next_entry::h064326441f87fd6b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.104/src/de/mod.rs:1912:9 [INFO] [stderr] 31: 0x565405d4b39c - ::deserialize::ValueVisitor as serde::de::Visitor>::visit_map::h6ef7ef2b304c277b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/value/de.rs:106:48 [INFO] [stderr] 32: 0x565405d5366c - serde_yaml::de::Deserializer::visit_mapping::{{closure}}::h70ab1f77db74ed12 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:175:25 [INFO] [stderr] 33: 0x565405d53d4a - serde_yaml::de::Deserializer::recursion_check::h3b9c2f95cc73095f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:239:22 [INFO] [stderr] 34: 0x565405d53371 - serde_yaml::de::Deserializer::visit_mapping::h9efc444af5ab1c46 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:169:28 [INFO] [stderr] 35: 0x565405d5732e - <&mut serde_yaml::de::Deserializer as serde::de::Deserializer>::deserialize_any::h594cb2b5f58aa4f2 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:657:36 [INFO] [stderr] 36: 0x565405d7b9b5 - serde_yaml::value::de::::deserialize::h58715d4baab77d49 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/value/de.rs:114:9 [INFO] [stderr] 37: 0x565405d6fcf5 - as serde::de::DeserializeSeed>::deserialize::hb4af2e5c46f0cf1c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.104/src/de/mod.rs:786:9 [INFO] [stderr] 38: 0x565405d549c4 - serde_yaml::de::from_str_seed::haf9af6a22dbee085 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:1042:17 [INFO] [stderr] 39: 0x565405d5633b - serde_yaml::de::from_str::hbca48b5ebf01499f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.11/src/de.rs:1012:5 [INFO] [stderr] 40: 0x565405d5dafc - build_script_build::main::hf696b5dcc1040bee [INFO] [stderr] at /opt/rustwide/workdir/build.rs:28:88 [INFO] [stderr] 41: 0x565405d848cb - core::ops::function::FnOnce::call_once::h2f2f35dba88793f4 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 42: 0x565405d8372e - std::sys_common::backtrace::__rust_begin_short_backtrace::hdbcad9307fc57103 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 43: 0x565405d6bdd1 - std::rt::lang_start::{{closure}}::h402c463bf313991c [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:66:18 [INFO] [stderr] 44: 0x565405e1ac47 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 45: 0x565405e1ac47 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40 [INFO] [stderr] 46: 0x565405e1ac47 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19 [INFO] [stderr] 47: 0x565405e1ac47 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14 [INFO] [stderr] 48: 0x565405e1ac47 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:51:25 [INFO] [stderr] 49: 0x565405d6bda7 - std::rt::lang_start::hf0142ce97c8a97ee [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:65:5 [INFO] [stderr] 50: 0x565405d6489a - main [INFO] [stderr] 51: 0x7f8e96ffb0b3 - __libc_start_main [INFO] [stderr] 52: 0x565405d300ae - _start [INFO] [stderr] 53: 0x0 - [INFO] running `Command { std: "docker" "inspect" "30e73838aa80e187651ffb9f6ecc804170bbd21af2cd9d9f2ac6b4e0855eb7ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30e73838aa80e187651ffb9f6ecc804170bbd21af2cd9d9f2ac6b4e0855eb7ea", kill_on_drop: false }` [INFO] [stdout] 30e73838aa80e187651ffb9f6ecc804170bbd21af2cd9d9f2ac6b4e0855eb7ea