[INFO] cloning repository https://github.com/mre/hyperjson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mre/hyperjson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Fhyperjson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Fhyperjson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4821e55765f4428b687fd0459de54ba672ff8df0
[INFO] testing mre/hyperjson against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Fhyperjson" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mre/hyperjson on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mre/hyperjson
[INFO] finished tweaking git repo https://github.com/mre/hyperjson
[INFO] tweaked toml for git repo https://github.com/mre/hyperjson written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mre/hyperjson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5055ab24a4cbdaa0c1c24e65977a1d2de0610153f68e7f421fcbaedc8d0c1de3
[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" "5055ab24a4cbdaa0c1c24e65977a1d2de0610153f68e7f421fcbaedc8d0c1de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5055ab24a4cbdaa0c1c24e65977a1d2de0610153f68e7f421fcbaedc8d0c1de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5055ab24a4cbdaa0c1c24e65977a1d2de0610153f68e7f421fcbaedc8d0c1de3", kill_on_drop: false }`
[INFO] [stdout] 5055ab24a4cbdaa0c1c24e65977a1d2de0610153f68e7f421fcbaedc8d0c1de3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d1fba01e8c75a338e511968b42be1e907d57a18ff43c25e5aa1d2fdc554adb
[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" "61d1fba01e8c75a338e511968b42be1e907d57a18ff43c25e5aa1d2fdc554adb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.1
[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 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 pyo3cls v0.8.3
[INFO] [stderr]    Compiling inventory v0.1.4
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling indoc v0.3.4
[INFO] [stderr]    Compiling paste v0.1.6
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling pyo3 v0.8.3
[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-fc4889c9afe0f7c5/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:     0x56533a95c31c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x56533a95c31c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56533a95c31c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x56533a95c31c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha305a40dbc030444
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x56533a980cac - core::fmt::write::hadd15acf4d6ce273
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17
[INFO] [stderr]      5:     0x56533a9583a8 - std::io::Write::write_fmt::h0f87f6c0c21ec48a
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15
[INFO] [stderr]      6:     0x56533a95e3a7 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x56533a95e3a7 - std::sys_common::backtrace::print::h20a2155fa0a22ca6
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x56533a95e3a7 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x56533a95e06f - std::panicking::default_hook::h1c5cf4d5063a38e4
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x56533a95eafa - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x56533a89fb48 - std::panicking::begin_panic::{{closure}}::h7368f8626e04cedb
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:617:9
[INFO] [stderr]     12:     0x56533a896759 - std::sys_common::backtrace::__rust_end_short_backtrace::hd56d00446dafb5e4
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x56533a89fac3 - std::panicking::begin_panic::h2108c7c79754fcd9
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:616:12
[INFO] [stderr]     14:     0x56533a75e23b - build_script_build::check_rustc_version::h8f514796b70bb2cb
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.3/build.rs:542:9
[INFO] [stderr]     15:     0x56533a75e494 - build_script_build::main::h8936535a99d60e0b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.3/build.rs:563:5
[INFO] [stderr]     16:     0x56533a76d962 - core::ops::function::FnOnce::call_once::h778458e75eb3e1d5
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     17:     0x56533a7669ba - std::sys_common::backtrace::__rust_begin_short_backtrace::hc15baa50bf680e1f
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     18:     0x56533a76f7c6 - std::rt::lang_start::{{closure}}::h8c337238b1656556
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:145:18
[INFO] [stderr]     19:     0x56533a95ba01 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9e134bb161d17658
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     20:     0x56533a95ba01 - std::panicking::try::do_call::h7f361d911648db1a
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stderr]     21:     0x56533a95ba01 - std::panicking::try::hbe441b12f8ff00e7
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stderr]     22:     0x56533a95ba01 - std::panic::catch_unwind::h12066b7ab56d7459
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stderr]     23:     0x56533a95ba01 - std::rt::lang_start_internal::{{closure}}::h901c86e61467dcde
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:128:48
[INFO] [stderr]     24:     0x56533a95ba01 - std::panicking::try::do_call::h1817b5f028d90a8c
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stderr]     25:     0x56533a95ba01 - std::panicking::try::hd5afeaf2f0454960
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stderr]     26:     0x56533a95ba01 - std::panic::catch_unwind::h13348562ae6426ca
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x56533a95ba01 - std::rt::lang_start_internal::hf194c7db73fedcb2
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:128:20
[INFO] [stderr]     28:     0x56533a76f790 - std::rt::lang_start::hc67c6c42e05cf34d
[INFO] [stderr]                                  at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:144:17
[INFO] [stderr]     29:     0x56533a76368c - main
[INFO] [stderr]     30:     0x7f5c65b740b3 - __libc_start_main
[INFO] [stderr]     31:     0x56533a7501ee - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "61d1fba01e8c75a338e511968b42be1e907d57a18ff43c25e5aa1d2fdc554adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d1fba01e8c75a338e511968b42be1e907d57a18ff43c25e5aa1d2fdc554adb", kill_on_drop: false }`
[INFO] [stdout] 61d1fba01e8c75a338e511968b42be1e907d57a18ff43c25e5aa1d2fdc554adb