[INFO] cloning repository https://github.com/nikhilmitrax/python-oxidation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikhilmitrax/python-oxidation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Fpython-oxidation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Fpython-oxidation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b6ef0ddd07e2d18d10b7bde3ea8357ab72ac431
[INFO] documenting nikhilmitrax/python-oxidation against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhilmitrax%2Fpython-oxidation" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikhilmitrax/python-oxidation on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking git repo https://github.com/nikhilmitrax/python-oxidation
[INFO] finished tweaking git repo https://github.com/nikhilmitrax/python-oxidation
[INFO] tweaked toml for git repo https://github.com/nikhilmitrax/python-oxidation written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nikhilmitrax/python-oxidation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.7
[INFO] [stderr]   Downloaded inventory v0.1.3
[INFO] [stderr]   Downloaded pyo3cls v0.6.0-alpha.2
[INFO] [stderr]   Downloaded inventory-impl v0.1.3
[INFO] [stderr]   Downloaded ghost v0.1.0
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.6.0-alpha.2
[INFO] [stderr]   Downloaded pyo3 v0.6.0-alpha.2
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.1
[INFO] [stderr]   Downloaded mashup-impl v0.1.9
[INFO] [stderr]   Downloaded mashup v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b172fb4fb6c1014e82fbd037f345f1ed09b35971dc7aab1bc6e2adec8c82fbe
[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" "1b172fb4fb6c1014e82fbd037f345f1ed09b35971dc7aab1bc6e2adec8c82fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b172fb4fb6c1014e82fbd037f345f1ed09b35971dc7aab1bc6e2adec8c82fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b172fb4fb6c1014e82fbd037f345f1ed09b35971dc7aab1bc6e2adec8c82fbe", kill_on_drop: false }`
[INFO] [stdout] 1b172fb4fb6c1014e82fbd037f345f1ed09b35971dc7aab1bc6e2adec8c82fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ec2fbc4c438385f229d79755ac4f2c730de1253977460016b7fccfdaa9d73a0
[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" "7ec2fbc4c438385f229d79755ac4f2c730de1253977460016b7fccfdaa9d73a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mashup-impl v0.1.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking mashup v0.1.9
[INFO] [stderr]    Compiling pyo3 v0.6.0-alpha.2
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.6.0-alpha.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-c30356716f02c084/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: pyo3 requires a nightly or dev version of Rust.
[INFO] [stderr]   Installed version is: 1.48.0-beta.2 (2020-10-08). Minimum required: 1.32.0-nightly (2018-11-02).
[INFO] [stderr]   thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.6.0-alpha.2/build.rs:529:17
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5560ffb4c3f0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5560ffb4c3f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5560ffb4c3f0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5560ffb4c3f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5560ffb6989c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x5560ffb49732 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x5560ffb4e5bd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5560ffb4e5bd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5560ffb4e5bd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x5560ffb4e268 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x5560ffb4eca1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x5560ffb29fbc - std::panicking::begin_panic::{{closure}}::h8f69deee6440b69b
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x5560ffb2a1a9 - std::sys_common::backtrace::__rust_end_short_backtrace::h92490f32cad39fd0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5560ffb29ee7 - std::panicking::begin_panic::h31f41a30dd3abad1
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x5560ff98a276 - build_script_build::check_rustc_version::h70ca1909211a43ac
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.6.0-alpha.2/build.rs:529
[INFO] [stderr]     15:     0x5560ff98a8f4 - build_script_build::main::h6d5ce331fcca6289
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.6.0-alpha.2/build.rs:553
[INFO] [stderr]     16:     0x5560ff990a9b - core::ops::function::FnOnce::call_once::hff881e35c3a63627
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]     17:     0x5560ff9905ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h5693a2bfc6205bce
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     18:     0x5560ff99f231 - std::rt::lang_start::{{closure}}::h67204c85bc0872e3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:66
[INFO] [stderr]     19:     0x5560ffb4f0c7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stderr]     20:     0x5560ffb4f0c7 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]     21:     0x5560ffb4f0c7 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]     22:     0x5560ffb4f0c7 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]     23:     0x5560ffb4f0c7 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]     24:     0x5560ff99f207 - std::rt::lang_start::h0ddaa53b73f9b14f
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:65
[INFO] [stderr]     25:     0x5560ff98bb2a - main
[INFO] [stderr]     26:     0x7f9157bd80b3 - __libc_start_main
[INFO] [stderr]     27:     0x5560ff9830ae - _start
[INFO] [stderr]     28:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7ec2fbc4c438385f229d79755ac4f2c730de1253977460016b7fccfdaa9d73a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec2fbc4c438385f229d79755ac4f2c730de1253977460016b7fccfdaa9d73a0", kill_on_drop: false }`
[INFO] [stdout] 7ec2fbc4c438385f229d79755ac4f2c730de1253977460016b7fccfdaa9d73a0
