[INFO] crate vcontrol 0.3.4 is already in cache
[INFO] testing vcontrol-0.3.4 against 1.54.0 for beta-1.55-1
[INFO] extracting crate vcontrol 0.3.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate vcontrol 0.3.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-1/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45315862ed564bf7bb809ac2445902d8f71b723143c80b033d0c1c8c494417ec
[INFO] running `Command { std: "docker" "start" "-a" "45315862ed564bf7bb809ac2445902d8f71b723143c80b033d0c1c8c494417ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45315862ed564bf7bb809ac2445902d8f71b723143c80b033d0c1c8c494417ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45315862ed564bf7bb809ac2445902d8f71b723143c80b033d0c1c8c494417ec", kill_on_drop: false }`
[INFO] [stdout] 45315862ed564bf7bb809ac2445902d8f71b723143c80b033d0c1c8c494417ec
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb5b9839cad09574f1abd5ba2c1c4309f4b49de46d50306e2a64eb6f58e37c3
[INFO] running `Command { std: "docker" "start" "-a" "bcb5b9839cad09574f1abd5ba2c1c4309f4b49de46d50306e2a64eb6f58e37c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling siphasher v0.3.1
[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 dtoa v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[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 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-56169f51f90abdd2/build-script-build` (exit status: 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/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/mem/mod.rs:660:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55de28068560 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55de28068560 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55de28068560 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55de28068560 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55de2808811c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55de28066c95 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x55de2806a18b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55de2806a18b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55de2806a18b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55de28069c61 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55de2806a854 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55de2806a307 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x55de28068a5c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55de2806a299 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55de27f970e1 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55de27f9702d - core::panicking::panic::h1a48d878ff3dcd40
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55de28010a9a - core::mem::uninitialized::h8655215f4e4dd420
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/mem/mod.rs:660:9
[INFO] [stderr]     17:     0x55de28010a9a - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::he2c9b558e2cebcd6
[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:     0x55de28010d0c - linked_hash_map::LinkedHashMap<K,V,S>::insert::h6870228b03e75f58
[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:     0x55de27fcd58d - serde_yaml::mapping::Mapping::insert::hf7187d34bde124e4
[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:     0x55de27fd8777 - <serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::ValueVisitor as serde::de::Visitor>::visit_map::hd8b220a54354b00d
[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:     0x55de27fb25c6 - serde_yaml::de::Deserializer::visit_mapping::{{closure}}::h078aea85941b461b
[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:     0x55de27fb2dbe - serde_yaml::de::Deserializer::recursion_check::hec841486619db250
[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:     0x55de27fb230b - serde_yaml::de::Deserializer::visit_mapping::h88f11691bab7b5af
[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:     0x55de27fb6e83 - <&mut serde_yaml::de::Deserializer as serde::de::Deserializer>::deserialize_any::hf40f9aa53a658265
[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:     0x55de27fb92d6 - serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::had09fbd432579775
[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:     0x55de27fc0555 - <core::marker::PhantomData<T> as serde::de::DeserializeSeed>::deserialize::h1b3088f26fbf036d
[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:     0x55de27fb6907 - <serde_yaml::de::MapAccess as serde::de::MapAccess>::next_value_seed::h2c6c44e52606cc88
[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:     0x55de27fb612b - serde::de::MapAccess::next_entry_seed::hb0a5eac68290bc93
[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:     0x55de27fb5f06 - serde::de::MapAccess::next_entry::h7ac33ba23d2d3f9e
[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:     0x55de27fb5d59 - <&mut A as serde::de::MapAccess>::next_entry::hde4ab915f6194cf8
[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:     0x55de27fd8521 - <serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::ValueVisitor as serde::de::Visitor>::visit_map::hd8b220a54354b00d
[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:     0x55de27fb25c6 - serde_yaml::de::Deserializer::visit_mapping::{{closure}}::h078aea85941b461b
[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:     0x55de27fb2dbe - serde_yaml::de::Deserializer::recursion_check::hec841486619db250
[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:     0x55de27fb230b - serde_yaml::de::Deserializer::visit_mapping::h88f11691bab7b5af
[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:     0x55de27fb6e83 - <&mut serde_yaml::de::Deserializer as serde::de::Deserializer>::deserialize_any::hf40f9aa53a658265
[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:     0x55de27fb92d6 - serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::had09fbd432579775
[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:     0x55de27fc0555 - <core::marker::PhantomData<T> as serde::de::DeserializeSeed>::deserialize::h1b3088f26fbf036d
[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:     0x55de27fb38af - serde_yaml::de::from_str_seed::hf9c3ce65939025f1
[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:     0x55de27fb50ca - serde_yaml::de::from_str::h6eeb128a6859cc42
[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:     0x55de27fa880d - build_script_build::main::h15f6603eefab00d6
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:28:88
[INFO] [stderr]     41:     0x55de27fbbe8b - core::ops::function::FnOnce::call_once::h6a842cb200b58755
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     42:     0x55de27fbb2fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h48e01c288623408d
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     43:     0x55de27fa5e11 - std::rt::lang_start::{{closure}}::h11d791727ce36130
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     44:     0x55de2806ad59 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     45:     0x55de2806ad59 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     46:     0x55de2806ad59 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     47:     0x55de2806ad59 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     48:     0x55de2806ad59 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     49:     0x55de27fa5df0 - std::rt::lang_start::hb14d9d29654a59fd
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     50:     0x55de27faf31c - main
[INFO] [stderr]     51:     0x7f98ba9400b3 - __libc_start_main
[INFO] [stderr]     52:     0x55de27f9789e - _start
[INFO] [stderr]     53:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "bcb5b9839cad09574f1abd5ba2c1c4309f4b49de46d50306e2a64eb6f58e37c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb5b9839cad09574f1abd5ba2c1c4309f4b49de46d50306e2a64eb6f58e37c3", kill_on_drop: false }`
[INFO] [stdout] bcb5b9839cad09574f1abd5ba2c1c4309f4b49de46d50306e2a64eb6f58e37c3
