[INFO] fetching crate rustpython 0.1.2...
[INFO] documenting rustpython-0.1.2 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate rustpython 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rustpython 0.1.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustpython 0.1.2
[INFO] finished tweaking crates.io crate rustpython 0.1.2
[INFO] tweaked toml for crates.io crate rustpython 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rustpython 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lock_api v0.4.0
[INFO] [stderr]   Downloaded caseless v0.2.1
[INFO] [stderr]   Downloaded pwd v1.3.0
[INFO] [stderr]   Downloaded smallbox v0.8.0
[INFO] [stderr]   Downloaded unicode-casing v0.1.0
[INFO] [stderr]   Downloaded rustyline v6.1.0
[INFO] [stderr]   Downloaded lexical v4.0.0
[INFO] [stderr]   Downloaded cpython v0.2.1
[INFO] [stderr]   Downloaded dns-lookup v1.0.1
[INFO] [stderr]   Downloaded python3-sys v0.2.1
[INFO] [stderr]   Downloaded unic-ucd-age v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-hangul v0.9.0
[INFO] [stderr]   Downloaded instant v0.1.4
[INFO] [stderr]   Downloaded unic-ucd-normal v0.9.0
[INFO] [stderr]   Downloaded unic-normal v0.9.0
[INFO] [stderr]   Downloaded openssl-src v111.8.1+1.1.1f
[INFO] [stderr]   Downloaded flamer v0.3.0
[INFO] [stderr]   Downloaded flamescope v0.1.1
[INFO] [stderr]   Downloaded rustpython-derive v0.1.2
[INFO] [stderr]   Downloaded mt19937 v1.0.1
[INFO] [stderr]   Downloaded result-like v0.2.1
[INFO] [stderr]   Downloaded generational-arena v0.2.3
[INFO] [stderr]   Downloaded volatile v0.2.6
[INFO] [stderr]   Downloaded dirs v2.0.1
[INFO] [stderr]   Downloaded rustpython-vm v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 039cd905bb5f98302ef3509c03b4c6ffba64c8af5ca6375c0363b3c714bfc8b2
[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" "039cd905bb5f98302ef3509c03b4c6ffba64c8af5ca6375c0363b3c714bfc8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "039cd905bb5f98302ef3509c03b4c6ffba64c8af5ca6375c0363b3c714bfc8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039cd905bb5f98302ef3509c03b4c6ffba64c8af5ca6375c0363b3c714bfc8b2", kill_on_drop: false }`
[INFO] [stdout] 039cd905bb5f98302ef3509c03b4c6ffba64c8af5ca6375c0363b3c714bfc8b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 960e721af0555496bca84c5b0ba97f5aecb4f08607f1f8623c5b3bc65d8ac0a5
[INFO] running `Command { std: "docker" "start" "-a" "960e721af0555496bca84c5b0ba97f5aecb4f08607f1f8623c5b3bc65d8ac0a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling unicode_names2 v0.4.0
[INFO] [stderr]     Checking instant v0.1.4
[INFO] [stderr]     Checking lalrpop-util v0.17.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling rustpython-vm v0.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking smallbox v0.8.0
[INFO] [stderr]     Checking unicode-casing v0.1.0
[INFO] [stderr]     Checking hexf-parse v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking generational-arena v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking lock_api v0.4.0
[INFO] [stderr]    Compiling lz4-compress v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]     Checking unic-emoji-char v0.9.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking unic-ucd-age v0.9.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]    Compiling lexical v4.0.0
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking unic-bidi v0.9.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-ab71c27d7eebf69a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5648f6b3c4e0 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5648f6b3c4e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5648f6b3c4e0 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5648f6b3c4e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5648f6b5956c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5648f6b3a5f5 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x5648f6b3e18b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5648f6b3e18b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5648f6b3e18b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5648f6b3dc61 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5648f6b3e854 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5648f6b3e337 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5648f6b3c9bc - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5648f6b3e299 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5648f6b08041 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5648f6b080d3 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stderr]     16:     0x5648f6b0b7de - core::result::Result<T,E>::unwrap::h7a4d08aa8729c2dd
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1281:23
[INFO] [stderr]     17:     0x5648f6b08e3e - build_script_build::main::hfe1dde19361d6a3d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17
[INFO] [stderr]     18:     0x5648f6b0a73b - core::ops::function::FnOnce::call_once::hc67c0c0cb287124b
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5648f6b0a93e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf73c36da19ef936e
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x5648f6b0a591 - std::rt::lang_start::{{closure}}::h8e6e422539839bb3
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x5648f6b3ed5a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5648f6b3ed5a - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x5648f6b3ed5a - std::panicking::try::h0ee8c65ac7461507
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x5648f6b3ed5a - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x5648f6b3ed5a - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x5648f6b3ed5a - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x5648f6b3ed5a - std::panicking::try::hd0929f0b603e0389
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x5648f6b3ed5a - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x5648f6b3ed5a - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x5648f6b0a560 - std::rt::lang_start::hcc3f987ca594ff20
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x5648f6b09f3c - main
[INFO] [stderr]     32:     0x7f788fc980b3 - __libc_start_main
[INFO] [stderr]     33:     0x5648f6b0879e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "960e721af0555496bca84c5b0ba97f5aecb4f08607f1f8623c5b3bc65d8ac0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960e721af0555496bca84c5b0ba97f5aecb4f08607f1f8623c5b3bc65d8ac0a5", kill_on_drop: false }`
[INFO] [stdout] 960e721af0555496bca84c5b0ba97f5aecb4f08607f1f8623c5b3bc65d8ac0a5
