[INFO] cloning repository https://github.com/zatoichi-labs/py-subkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zatoichi-labs/py-subkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzatoichi-labs%2Fpy-subkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzatoichi-labs%2Fpy-subkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b561fb1ef73843cc0e1bde8322406ddae24f68d1
[INFO] testing zatoichi-labs/py-subkey against 1.57.0 for beta-1.58-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzatoichi-labs%2Fpy-subkey" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zatoichi-labs/py-subkey on toolchain 1.57.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.57.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/zatoichi-labs/py-subkey
[INFO] finished tweaking git repo https://github.com/zatoichi-labs/py-subkey
[INFO] tweaked toml for git repo https://github.com/zatoichi-labs/py-subkey written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/zatoichi-labs/py-subkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.57.0" "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] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded unindent v0.1.5
[INFO] [stderr] Downloaded ghost v0.1.1
[INFO] [stderr] Downloaded paste-impl v0.1.6
[INFO] [stderr] Downloaded environmental v1.0.2
[INFO] [stderr] Downloaded ctor v0.1.12
[INFO] [stderr] Downloaded hex v0.4.0
[INFO] [stderr] Downloaded uint v0.8.2
[INFO] [stderr] Downloaded pyo3cls v0.8.3
[INFO] [stderr] Downloaded pyo3-derive-backend v0.8.3
[INFO] [stderr] Downloaded ed25519-dalek v1.0.0-pre.2
[INFO] [stderr] Downloaded byte-slice-cast v0.3.4
[INFO] [stderr] Downloaded zeroize v0.9.3
[INFO] [stderr] Downloaded paste v0.1.6
[INFO] [stderr] Downloaded bitvec v0.15.2
[INFO] [stderr] Downloaded merlin v1.3.0
[INFO] [stderr] Downloaded schnorrkel v0.8.5
[INFO] [stderr] Downloaded pyo3 v0.8.3
[INFO] [stderr] Downloaded curve25519-dalek v1.2.3
[INFO] [stderr] Downloaded parity-scale-codec-derive v1.1.0
[INFO] [stderr] Downloaded indoc v0.3.4
[INFO] [stderr] Downloaded primitive-types v0.6.1
[INFO] [stderr] Downloaded indoc-impl v0.3.4
[INFO] [stderr] Downloaded inventory v0.1.4
[INFO] [stderr] Downloaded fixed-hash v0.5.1
[INFO] [stderr] Downloaded inventory-impl v0.1.4
[INFO] [stderr] Downloaded substrate-bip39 v0.3.1
[INFO] [stderr] Downloaded parity-scale-codec v1.1.0
[INFO] [stderr] Downloaded tiny-bip39 v0.6.2
[INFO] [stderr] Downloaded libsecp256k1 v0.3.2
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+1.57.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20cdb2f060c5d8fd22de2fcca25fd36f9400a99421a3fc563a7051df212ddac3
[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" "20cdb2f060c5d8fd22de2fcca25fd36f9400a99421a3fc563a7051df212ddac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20cdb2f060c5d8fd22de2fcca25fd36f9400a99421a3fc563a7051df212ddac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20cdb2f060c5d8fd22de2fcca25fd36f9400a99421a3fc563a7051df212ddac3", kill_on_drop: false }`
[INFO] [stdout] 20cdb2f060c5d8fd22de2fcca25fd36f9400a99421a3fc563a7051df212ddac3
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+1.57.0" "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] d9e941369de13ffd836b02a52f5cf202e72a0bd7905c74be0ed6012b16696ac7
[INFO] running `Command { std: "docker" "start" "-a" "d9e941369de13ffd836b02a52f5cf202e72a0bd7905c74be0ed6012b16696ac7", kill_on_drop: false }`
[INFO] [stderr] Compiling syn v1.0.11
[INFO] [stderr] Compiling byteorder v1.3.2
[INFO] [stderr] Compiling serde v1.0.103
[INFO] [stderr] Compiling cc v1.0.48
[INFO] [stderr] Compiling subtle v2.2.2
[INFO] [stderr] Compiling rustc-hex v2.0.1
[INFO] [stderr] Compiling bitvec v0.15.2
[INFO] [stderr] Compiling byte-slice-cast v0.3.4
[INFO] [stderr] Compiling sp-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=333f3a7d00771d15102bd40f5aade9e58b1b095f#333f3a7d)
[INFO] [stderr] Compiling unindent v0.1.5
[INFO] [stderr] Compiling environmental v1.0.2
[INFO] [stderr] Compiling zeroize v0.9.3
[INFO] [stderr] Compiling tiny-keccak v2.0.1
[INFO] [stderr] Compiling hash-db v0.15.2
[INFO] [stderr] Compiling hex v0.4.0
[INFO] [stderr] Compiling rand_core v0.3.1
[INFO] [stderr] Compiling num-traits v0.2.10
[INFO] [stderr] Compiling rand v0.6.5
[INFO] [stderr] Compiling num-integer v0.1.41
[INFO] [stderr] Compiling num-bigint v0.2.3
[INFO] [stderr] Compiling num-rational v0.2.2
[INFO] [stderr] Compiling lock_api v0.3.2
[INFO] [stderr] Compiling rand_isaac v0.1.1
[INFO] [stderr] Compiling rand_hc v0.1.0
[INFO] [stderr] Compiling rand_xorshift v0.1.1
[INFO] [stderr] Compiling rand_os v0.1.3
[INFO] [stderr] Compiling getrandom v0.1.13
[INFO] [stderr] Compiling rand_chacha v0.1.1
[INFO] [stderr] Compiling blake2-rfc v0.2.18
[INFO] [stderr] Compiling parking_lot_core v0.6.2
[INFO] [stderr] Compiling Inflector v0.11.4
[INFO] [stderr] Compiling hmac-drbg v0.2.0
[INFO] [stderr] Compiling rand_core v0.5.1
[INFO] [stderr] Compiling parking_lot v0.9.0
[INFO] [stderr] Compiling rand_chacha v0.2.1
[INFO] [stderr] Compiling block-buffer v0.7.3
[INFO] [stderr] Compiling pbkdf2 v0.3.0
[INFO] [stderr] Compiling uint v0.8.2
[INFO] [stderr] Compiling hashbrown v0.1.8
[INFO] [stderr] Compiling rand v0.7.2
[INFO] [stderr] Compiling backtrace-sys v0.1.32
[INFO] [stderr] Compiling clear_on_drop v0.2.3
[INFO] [stderr] Compiling sha2 v0.8.0
[INFO] [stderr] Compiling parking_lot_core v0.4.0
[INFO] [stderr] Compiling libsecp256k1 v0.3.2
[INFO] [stderr] Compiling parking_lot v0.7.1
[INFO] [stderr] Compiling curve25519-dalek v1.2.3
[INFO] [stderr] Compiling fixed-hash v0.5.1
[INFO] [stderr] Compiling twox-hash v1.5.0
[INFO] [stderr] Compiling once_cell v0.1.8
[INFO] [stderr] Compiling backtrace v0.3.40
[INFO] [stderr] Compiling wasmi v0.6.2
[INFO] [stderr] Compiling synstructure v0.12.3
[INFO] [stderr] Compiling pyo3-derive-backend v0.8.3
[INFO] [stderr] Compiling serde_derive v1.0.103
[INFO] [stderr] Compiling proc-macro-hack v0.5.11
[INFO] [stderr] Compiling sp-debug-derive v2.0.0 (https://github.com/paritytech/substrate.git?rev=333f3a7d00771d15102bd40f5aade9e58b1b095f#333f3a7d)
[INFO] [stderr] Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr] Compiling ctor v0.1.12
[INFO] [stderr] Compiling inventory-impl v0.1.4
[INFO] [stderr] Compiling ghost v0.1.1
[INFO] [stderr] Compiling failure_derive v0.1.6
[INFO] [stderr] Compiling zeroize_derive v1.0.0
[INFO] [stderr] Compiling inventory v0.1.4
[INFO] [stderr] Compiling zeroize v1.1.0
[INFO] [stderr] Compiling pyo3cls v0.8.3
[INFO] [stderr] Compiling indoc-impl v0.3.4
[INFO] [stderr] Compiling paste-impl v0.1.6
[INFO] [stderr] Compiling merlin v1.3.0
[INFO] [stderr] Compiling failure v0.1.6
[INFO] [stderr] Compiling schnorrkel v0.8.5
[INFO] [stderr] Compiling tiny-bip39 v0.6.2
[INFO] [stderr] Compiling ed25519-dalek v1.0.0-pre.2
[INFO] [stderr] Compiling paste v0.1.6
[INFO] [stderr] Compiling indoc v0.3.4
[INFO] [stderr] Compiling substrate-bip39 v0.3.1
[INFO] [stderr] Compiling sp-wasm-interface v2.0.0 (https://github.com/paritytech/substrate.git?rev=333f3a7d00771d15102bd40f5aade9e58b1b095f#333f3a7d)
[INFO] [stderr] Compiling toml v0.5.5
[INFO] [stderr] Compiling impl-serde v0.2.3
[INFO] [stderr] Compiling serde_json v1.0.44
[INFO] [stderr] Compiling sp-core-storage v2.0.0 (https://github.com/paritytech/substrate.git?rev=333f3a7d00771d15102bd40f5aade9e58b1b095f#333f3a7d)
[INFO] [stderr] Compiling sp-externalities v2.0.0 (https://github.com/paritytech/substrate.git?rev=333f3a7d00771d15102bd40f5aade9e58b1b095f#333f3a7d)
[INFO] [stderr] Compiling proc-macro-crate v0.1.4
[INFO] [stderr] Compiling pyo3 v0.8.3
[INFO] [stderr] Compiling parity-scale-codec-derive v1.1.0
[INFO] [stderr] Compiling sp-runtime-interface-proc-macro v2.0.0 (https://github.com/paritytech/substrate.git?rev=333f3a7d00771d15102bd40f5aade9e58b1b095f#333f3a7d)
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.3`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-cec762ee6235b162/build-script-build` (exit status: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Error: pyo3 requires a nightly or dev version of Rust.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.3/build.rs:542:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr] 0: 0x55a97a43025c - std::backtrace_rs::backtrace::libunwind::trace::hf6a6dfd7da937cb0
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr] 1: 0x55a97a43025c - std::backtrace_rs::backtrace::trace_unsynchronized::hc596a19e4891f7f3
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr] 2: 0x55a97a43025c - std::sys_common::backtrace::_print_fmt::hb16700db31584325
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr] 3: 0x55a97a43025c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h231c4190cfa75162
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr] 4: 0x55a97a4528cc - core::fmt::write::h2a1462b5f8eea807
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/core/src/fmt/mod.rs:1163:17
[INFO] [stderr] 5: 0x55a97a42cb75 - std::io::Write::write_fmt::h71ddfebc68685972
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/io/mod.rs:1696:15
[INFO] [stderr] 6: 0x55a97a431be0 - std::sys_common::backtrace::_print::hcc197d4bebf2b369
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr] 7: 0x55a97a431be0 - std::sys_common::backtrace::print::h335a66af06738c7c
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr] 8: 0x55a97a431be0 - std::panicking::default_hook::{{closure}}::h6fac9ac9c8b79e52
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:210:50
[INFO] [stderr] 9: 0x55a97a431795 - std::panicking::default_hook::h341c1030c6a1161b
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:227:9
[INFO] [stderr] 10: 0x55a97a432294 - std::panicking::rust_panic_with_hook::h50680ff4b44510c6
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:624:17
[INFO] [stderr] 11: 0x55a97a265692 - std::panicking::begin_panic::{{closure}}::hd4ee053a5d2b73c3
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:544:9
[INFO] [stderr] 12: 0x55a97a267a59 - std::sys_common::backtrace::__rust_end_short_backtrace::h51c91b5bf7e761b3
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr] 13: 0x55a97a2655d3 - std::panicking::begin_panic::h409d39efeb0af357
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:543:12
[INFO] [stderr] 14: 0x55a97a22825d - build_script_build::check_rustc_version::hc811da53511c579b
[INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.3/build.rs:542:9
[INFO] [stderr] 15: 0x55a97a228544 - build_script_build::main::he4725a7c70731676
[INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.3/build.rs:563:5
[INFO] [stderr] 16: 0x55a97a23a752 - core::ops::function::FnOnce::call_once::h6cf1af57fbbf2c45
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/core/src/ops/function.rs:227:5
[INFO] [stderr] 17: 0x55a97a23094a - std::sys_common::backtrace::__rust_begin_short_backtrace::h1c5e13c0aefc9c7d
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr] 18: 0x55a97a230ac6 - std::rt::lang_start::{{closure}}::hd2089035649e3bbc
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/rt.rs:146:18
[INFO] [stderr] 19: 0x55a97a42ff3b - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc56adab7a77ec6e3
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/core/src/ops/function.rs:259:13
[INFO] [stderr] 20: 0x55a97a42ff3b - std::panicking::try::do_call::h29f013120c5abc65
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:403:40
[INFO] [stderr] 21: 0x55a97a42ff3b - std::panicking::try::h86d5b2b66caec4cf
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:367:19
[INFO] [stderr] 22: 0x55a97a42ff3b - std::panic::catch_unwind::h7dd136d787f51397
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panic.rs:133:14
[INFO] [stderr] 23: 0x55a97a42ff3b - std::rt::lang_start_internal::{{closure}}::h4a199351e630a8a5
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/rt.rs:128:48
[INFO] [stderr] 24: 0x55a97a42ff3b - std::panicking::try::do_call::h20ceb9e5dff838c6
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:403:40
[INFO] [stderr] 25: 0x55a97a42ff3b - std::panicking::try::hc2abb46a5e41bd43
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:367:19
[INFO] [stderr] 26: 0x55a97a42ff3b - std::panic::catch_unwind::h52c3eb4408ad6dfb
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panic.rs:133:14
[INFO] [stderr] 27: 0x55a97a42ff3b - std::rt::lang_start_internal::hd15a47be08101c28
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/rt.rs:128:20
[INFO] [stderr] 28: 0x55a97a230a90 - std::rt::lang_start::hd979e5638d7488d4
[INFO] [stderr] at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/rt.rs:145:17
[INFO] [stderr] 29: 0x55a97a22d71c - main
[INFO] [stderr] 30: 0x7fd94d8720b3 - __libc_start_main
[INFO] [stderr] 31: 0x55a97a219dae - _start
[INFO] [stderr] 32: 0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d9e941369de13ffd836b02a52f5cf202e72a0bd7905c74be0ed6012b16696ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e941369de13ffd836b02a52f5cf202e72a0bd7905c74be0ed6012b16696ac7", kill_on_drop: false }`
[INFO] [stdout] d9e941369de13ffd836b02a52f5cf202e72a0bd7905c74be0ed6012b16696ac7