[INFO] fetching crate pym 0.1.0...
[INFO] testing pym-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate pym 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pym 0.1.0
[INFO] finished tweaking crates.io crate pym 0.1.0
[INFO] tweaked toml for crates.io crate pym 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pym 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to highest compatible versions
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding pyo3 v0.8.5 (available: v0.30.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3cls v0.8.5
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded pyo3 v0.8.5
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.5
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded ghost v0.1.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2e6224fab76582c08a425202f0fe3c9239c05abd9422356dc1d4071187bad7e1
[INFO] running `Command { std: "docker" "start" "2e6224fab76582c08a425202f0fe3c9239c05abd9422356dc1d4071187bad7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e6224fab76582c08a425202f0fe3c9239c05abd9422356dc1d4071187bad7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e6224fab76582c08a425202f0fe3c9239c05abd9422356dc1d4071187bad7e1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e6224fab76582c08a425202f0fe3c9239c05abd9422356dc1d4071187bad7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e6224fab76582c08a425202f0fe3c9239c05abd9422356dc1d4071187bad7e1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling ghost v0.1.23
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling pyo3 v0.8.5
[INFO] [stderr]    Compiling pyo3cls v0.8.5
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.5`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/release/build/pyo3-8589a58ca4aabe7c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (731) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.8.5/build.rs:542:9:
[INFO] [stderr]   Error: pyo3 requires a nightly or dev version of Rust.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5f9e48424991 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5f9e48438f3a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x5f9e48428bdc - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5f9e48404666 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5f9e4841dbc1 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x5f9e4841dd7b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5f9e48403ccc - std[70759c8f55707aa4]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]      7:     0x5f9e483fd4a9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]      8:     0x5f9e483fa8fb - std[70759c8f55707aa4]::panicking::begin_panic::<&str>
[INFO] [stderr]      9:     0x5f9e481efeb4 - build_script_build[608e988d9933a374]::check_rustc_version
[INFO] [stderr]     10:     0x5f9e481f1c84 - build_script_build[608e988d9933a374]::main
[INFO] [stderr]     11:     0x5f9e481e4e6e - <fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String> as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     12:     0x5f9e481e6dd1 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stderr]     13:     0x5f9e481e091f - std[70759c8f55707aa4]::rt::lang_start::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>::{closure#0}
[INFO] [stderr]     14:     0x5f9e4841cf89 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     15:     0x5f9e481de3b1 - std[70759c8f55707aa4]::rt::lang_start::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stderr]     16:     0x5f9e481f3905 - main
[INFO] [stderr]     17:     0x75113f235601 - <unknown>
[INFO] [stderr]     18:     0x75113f235718 - __libc_start_main
[INFO] [stderr]     19:     0x5f9e481dd6c5 - _start
[INFO] [stderr]     20:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2e6224fab76582c08a425202f0fe3c9239c05abd9422356dc1d4071187bad7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6224fab76582c08a425202f0fe3c9239c05abd9422356dc1d4071187bad7e1", kill_on_drop: false }`
[INFO] [stdout] 2e6224fab76582c08a425202f0fe3c9239c05abd9422356dc1d4071187bad7e1
