[INFO] fetching crate vcontrol 0.3.4...
[INFO] checking vcontrol-0.3.4 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate vcontrol 0.3.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate vcontrol 0.3.4 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-10/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" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f244345ab618b5d6fa35bf183e4eee44eaab0fb4d94b4e893563b931d9451d4
[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" "3f244345ab618b5d6fa35bf183e4eee44eaab0fb4d94b4e893563b931d9451d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f244345ab618b5d6fa35bf183e4eee44eaab0fb4d94b4e893563b931d9451d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f244345ab618b5d6fa35bf183e4eee44eaab0fb4d94b4e893563b931d9451d4", kill_on_drop: false }`
[INFO] [stdout] 3f244345ab618b5d6fa35bf183e4eee44eaab0fb4d94b4e893563b931d9451d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--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] dd2c62ead5ed242b83e653b7d61d245ea896b897c8c11f65262a426e9333ed7d
[INFO] running `Command { std: "docker" "start" "-a" "dd2c62ead5ed242b83e653b7d61d245ea896b897c8c11f65262a426e9333ed7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[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-e18d58fe638a82c1/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'attempted to leave type `linked_hash_map::Node<value::Value, value::Value>` uninitialized, which is invalid', /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/mem/mod.rs:660:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a5816d6b00 - std::backtrace_rs::backtrace::libunwind::trace::hfe3b1cace85e87d8
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55a5816d6b00 - std::backtrace_rs::backtrace::trace_unsynchronized::h542330af06479043
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a5816d6b00 - std::sys_common::backtrace::_print_fmt::h6b88726367858985
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55a5816d6b00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcd76ce6b485adbea
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55a5816f30ff - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55a5816d5022 - std::io::Write::write_fmt::h0facb64ef2e7f5d8
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/io/mod.rs:1567:15
[INFO] [stderr]      6:     0x55a5816d8675 - std::sys_common::backtrace::_print::h7bf1633ea5421f7b
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55a5816d8675 - std::sys_common::backtrace::print::h5cc4d09049928ba5
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55a5816d8675 - std::panicking::default_hook::{{closure}}::h9e84dc005bfc9fc7
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55a5816d8123 - std::panicking::default_hook::h123278a03b1f796b
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55a5816d8c7d - std::panicking::rust_panic_with_hook::h4040631aa6c7bc27
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55a5816d87e7 - std::panicking::begin_panic_handler::{{closure}}::h02a17b22ac092d08
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x55a5816d6fbc - std::sys_common::backtrace::__rust_end_short_backtrace::h6063b024443b5852
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55a5816d8779 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55a5815f7241 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55a5815f718d - core::panicking::panic::haebb15b6842d6229
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55a58166a665 - core::mem::uninitialized::hd55445aea0994d15
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/mem/mod.rs:660:9
[INFO] [stderr]     17:     0x55a58166a665 - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::hcee72eea36b5a85d
[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:     0x55a58166a8ac - linked_hash_map::LinkedHashMap<K,V,S>::insert::h11a7aab83983ab41
[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:     0x55a58163829d - serde_yaml::mapping::Mapping::insert::hdf28ed657a678b17
[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:     0x55a5816475b5 - <serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::ValueVisitor as serde::de::Visitor>::visit_map::h5e0b4e2278bedde6
[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:     0x55a58161be76 - serde_yaml::de::Deserializer::visit_mapping::{{closure}}::hc2eb5ec909be3cf8
[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:     0x55a58161c6a5 - serde_yaml::de::Deserializer::recursion_check::hd30823bc6b2567d1
[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:     0x55a58161bb9b - serde_yaml::de::Deserializer::visit_mapping::h0c930aa4445e1100
[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:     0x55a581622fc9 - <&mut serde_yaml::de::Deserializer as serde::de::Deserializer>::deserialize_any::h302b7683e4b12034
[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:     0x55a58161efc6 - serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::h9d4d37efc53565c6
[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:     0x55a581633985 - <core::marker::PhantomData<T> as serde::de::DeserializeSeed>::deserialize::h90ca610ba1923118
[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:     0x55a581622527 - <serde_yaml::de::MapAccess as serde::de::MapAccess>::next_value_seed::h273bd32f50c04747
[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:     0x55a581621e82 - serde::de::MapAccess::next_entry_seed::h18f6f969f0884fde
[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:     0x55a581621cb6 - serde::de::MapAccess::next_entry::h76e1764eabcde5ad
[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:     0x55a581621c59 - <&mut A as serde::de::MapAccess>::next_entry::hc85af2dabccdcc0e
[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:     0x55a581647387 - <serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::ValueVisitor as serde::de::Visitor>::visit_map::h5e0b4e2278bedde6
[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:     0x55a58161be76 - serde_yaml::de::Deserializer::visit_mapping::{{closure}}::hc2eb5ec909be3cf8
[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:     0x55a58161c6a5 - serde_yaml::de::Deserializer::recursion_check::hd30823bc6b2567d1
[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:     0x55a58161bb9b - serde_yaml::de::Deserializer::visit_mapping::h0c930aa4445e1100
[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:     0x55a581622fc9 - <&mut serde_yaml::de::Deserializer as serde::de::Deserializer>::deserialize_any::h302b7683e4b12034
[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:     0x55a58161efc6 - serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::h9d4d37efc53565c6
[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:     0x55a581633985 - <core::marker::PhantomData<T> as serde::de::DeserializeSeed>::deserialize::h90ca610ba1923118
[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:     0x55a58161d0fd - serde_yaml::de::from_str_seed::h4b863a5ee08e1e5c
[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:     0x55a58161ea3a - serde_yaml::de::from_str::hc08515889ce6630a
[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:     0x55a58160fcfd - build_script_build::main::h3d08be2edcb18b81
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:28:88
[INFO] [stderr]     41:     0x55a58162f95b - core::ops::function::FnOnce::call_once::h126142e8fecc71a7
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     42:     0x55a58162e32e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbd5c111485e2465c
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     43:     0x55a581617631 - std::rt::lang_start::{{closure}}::hbdcaa637e6b9d0d2
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:66:18
[INFO] [stderr]     44:     0x55a5816d907a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3695a3fbbe44c001
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     45:     0x55a5816d907a - std::panicking::try::do_call::he9f4b5f706c7e58d
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:379:40
[INFO] [stderr]     46:     0x55a5816d907a - std::panicking::try::h789d448ccf87fe6d
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:343:19
[INFO] [stderr]     47:     0x55a5816d907a - std::panic::catch_unwind::h7a6b31f16004913a
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panic.rs:431:14
[INFO] [stderr]     48:     0x55a5816d907a - std::rt::lang_start_internal::h80897b41b254b288
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:51:25
[INFO] [stderr]     49:     0x55a581617610 - std::rt::lang_start::hd58d7faa30e690dc
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:65:5
[INFO] [stderr]     50:     0x55a58161683c - main
[INFO] [stderr]     51:     0x7f74473380b3 - __libc_start_main
[INFO] [stderr]     52:     0x55a5815f790e - _start
[INFO] [stderr]     53:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "dd2c62ead5ed242b83e653b7d61d245ea896b897c8c11f65262a426e9333ed7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2c62ead5ed242b83e653b7d61d245ea896b897c8c11f65262a426e9333ed7d", kill_on_drop: false }`
[INFO] [stdout] dd2c62ead5ed242b83e653b7d61d245ea896b897c8c11f65262a426e9333ed7d