[INFO] fetching crate rust_transformers 0.2.0...
[INFO] documenting rust_transformers-0.2.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate rust_transformers 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rust_transformers 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_transformers 0.2.0
[INFO] finished tweaking crates.io crate rust_transformers 0.2.0
[INFO] tweaked toml for crates.io crate rust_transformers 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust_transformers 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.6.1
[INFO] [stderr]   Downloaded inventory-impl v0.1.4
[INFO] [stderr]   Downloaded inventory v0.1.4
[INFO] [stderr]   Downloaded ctor v0.1.12
[INFO] [stderr]   Downloaded ghost v0.1.1
[INFO] [stderr]   Downloaded rayon v1.2.1
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.0
[INFO] [stderr]   Downloaded smallvec v1.0.0
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded serde_derive v1.0.103
[INFO] [stderr]   Downloaded pyo3 v0.8.3
[INFO] [stderr]   Downloaded paste-impl v0.1.6
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.3
[INFO] [stderr]   Downloaded pyo3cls v0.8.3
[INFO] [stderr]   Downloaded paste v0.1.6
[INFO] [stderr]   Downloaded unindent v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e773af37d5ab716e0e7df95bc156be4c8b6e7ef34eb6d433a9e861892c9016fb
[INFO] running `Command { std: "docker" "start" "-a" "e773af37d5ab716e0e7df95bc156be4c8b6e7ef34eb6d433a9e861892c9016fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e773af37d5ab716e0e7df95bc156be4c8b6e7ef34eb6d433a9e861892c9016fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e773af37d5ab716e0e7df95bc156be4c8b6e7ef34eb6d433a9e861892c9016fb", kill_on_drop: false }`
[INFO] [stdout] e773af37d5ab716e0e7df95bc156be4c8b6e7ef34eb6d433a9e861892c9016fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b78a153479e7c79cd52e86fc480ad9ff461e3258e3c4ecd2b09ea3ac4740d24
[INFO] running `Command { std: "docker" "start" "-a" "2b78a153479e7c79cd52e86fc480ad9ff461e3258e3c4ecd2b09ea3ac4740d24", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking regex v1.3.1
[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 ghost v0.1.1
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]    Compiling pyo3cls v0.8.3
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling pyo3 v0.8.3
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.3`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_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/debug/build/pyo3-008fdc5e33a478d9/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:     0x562a1f6f1fda - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x562a1f6f1fda - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562a1f6f1fda - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x562a1f6f1fda - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x562a1f713a0e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stderr]      5:     0x562a1f6efa25 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stderr]      6:     0x562a1f6f1da5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x562a1f6f1da5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x562a1f6f33ff - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stderr]      9:     0x562a1f6f313b - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stderr]     10:     0x562a1f6f39a8 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stderr]     11:     0x562a1f58aa0a - std::panicking::begin_panic::{{closure}}::hff049bc6723e5fb8
[INFO] [stderr]     12:     0x562a1f58abba - std::sys_common::backtrace::__rust_end_short_backtrace::hf101eba58bd3009c
[INFO] [stderr]     13:     0x562a1f58a963 - std::panicking::begin_panic::hbef786098230a4fd
[INFO] [stderr]     14:     0x562a1f55d8e1 - build_script_build::check_rustc_version::ha406acc8af1afc3f
[INFO] [stderr]     15:     0x562a1f55daa4 - build_script_build::main::h9426ed49c6980232
[INFO] [stderr]     16:     0x562a1f5685ae - core::ops::function::FnOnce::call_once::h70a57b43f60d21a4
[INFO] [stderr]     17:     0x562a1f565610 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd8f05d59b6b818b9
[INFO] [stderr]     18:     0x562a1f561fa1 - std::rt::lang_start::{{closure}}::hc0cee22a67ea186f
[INFO] [stderr]     19:     0x562a1f6ec64c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stderr]     20:     0x562a1f6ec64c - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stderr]     21:     0x562a1f6ec64c - std::panicking::try::h3342dd4e1f680968
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stderr]     22:     0x562a1f6ec64c - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stderr]     23:     0x562a1f6ec64c - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stderr]     24:     0x562a1f6ec64c - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stderr]     25:     0x562a1f6ec64c - std::panicking::try::he7d15285746cbbc2
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stderr]     26:     0x562a1f6ec64c - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stderr]     27:     0x562a1f6ec64c - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stderr]                                  at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stderr]     28:     0x562a1f561f77 - std::rt::lang_start::h99c57bf70e49705f
[INFO] [stderr]     29:     0x562a1f561ec5 - main
[INFO] [stderr]     30:     0x7fef8916fd90 - <unknown>
[INFO] [stderr]     31:     0x7fef8916fe40 - __libc_start_main
[INFO] [stderr]     32:     0x562a1f551ee5 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2b78a153479e7c79cd52e86fc480ad9ff461e3258e3c4ecd2b09ea3ac4740d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b78a153479e7c79cd52e86fc480ad9ff461e3258e3c4ecd2b09ea3ac4740d24", kill_on_drop: false }`
[INFO] [stdout] 2b78a153479e7c79cd52e86fc480ad9ff461e3258e3c4ecd2b09ea3ac4740d24
