[INFO] fetching crate rustpython-vm 0.1.1...
[INFO] checking rustpython-vm-0.1.1 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate rustpython-vm 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustpython-vm 0.1.1 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustpython-vm 0.1.1
[INFO] finished tweaking crates.io crate rustpython-vm 0.1.1
[INFO] tweaked toml for crates.io crate rustpython-vm 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd-age v0.9.0
[INFO] [stderr]   Downloaded unic-bidi v0.9.0
[INFO] [stderr]   Downloaded unic v0.9.0
[INFO] [stderr]   Downloaded unic-idna-mapping v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded flamer v0.3.0
[INFO] [stderr]   Downloaded unic-ucd-block v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-name_aliases v0.9.0
[INFO] [stderr]   Downloaded unic-idna v0.9.0
[INFO] [stderr]   Downloaded rustpython-parser v0.1.1
[INFO] [stderr]   Downloaded unicode-casing v0.1.0
[INFO] [stderr]   Downloaded unic-ucd-case v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-common v0.9.0
[INFO] [stderr]   Downloaded rustpython-derive v0.1.1
[INFO] [stderr]   Downloaded unic-ucd-name v0.9.0
[INFO] [stderr]   Downloaded rustpython-compiler v0.1.1
[INFO] [stderr]   Downloaded unic-emoji v0.9.0
[INFO] [stderr]   Downloaded unic-idna-punycode v0.9.0
[INFO] [stderr]   Downloaded unic-ucd v0.9.0
[INFO] [stderr]   Downloaded unic-char v0.9.0
[INFO] [stderr]   Downloaded rustpython-bytecode v0.1.1
[INFO] [stderr]   Downloaded unic-char-basics v0.9.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24ef3705239d4ee78b968437f20efd16fd98e1f5bbbed0228fa8073e58c98f30
[INFO] running `"docker" "start" "-a" "24ef3705239d4ee78b968437f20efd16fd98e1f5bbbed0228fa8073e58c98f30"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling wtf8 v0.0.3
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking unic-idna-punycode v0.9.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking unic-char-basics v0.9.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling rustpython-vm v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking unicode_names2 v0.2.2
[INFO] [stderr]     Checking unicode-casing v0.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking hexf-parse v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking unic-emoji-char v0.9.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking unic-idna-mapping v0.9.0
[INFO] [stderr]     Checking unic-ucd-case v0.9.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking unic-ucd-age v0.9.0
[INFO] [stderr]     Checking unic-ucd-block v0.9.0
[INFO] [stderr]     Checking unic-ucd-name_aliases v0.9.0
[INFO] [stderr]     Checking unic-ucd-common v0.9.0
[INFO] [stderr]     Checking unic-char v0.9.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]     Checking unic-ucd-name v0.9.0
[INFO] [stderr]     Checking unic-emoji v0.9.0
[INFO] [stderr]     Checking unic-bidi v0.9.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking subprocess v0.1.20
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]    Compiling digest v0.8.1
[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-1b08fb6636100587/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564c0a5986c4 - backtrace::backtrace::libunwind::trace::h98d3444f0ad70429
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x564c0a5986c4 - backtrace::backtrace::trace_unsynchronized::h37f821d20053e6cd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564c0a5986c4 - std::sys_common::backtrace::_print_fmt::hff04dc7e915a3c85
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x564c0a5986c4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h61891c439a79f00d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x564c0a5baf8c - core::fmt::write::hdf236390fbd68d3d
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x564c0a5962e3 - std::io::Write::write_fmt::h55f7fe3633ce766f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x564c0a59ac65 - std::sys_common::backtrace::_print::h78339381acb79e1b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x564c0a59ac65 - std::sys_common::backtrace::print::h525aa9f9405c80a1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x564c0a59ac65 - std::panicking::default_hook::{{closure}}::hace90b8a218287e6
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x564c0a59a9b7 - std::panicking::default_hook::h160b6beccc49b335
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x564c0a59b258 - std::panicking::rust_panic_with_hook::h36f6804eea3f553a
[INFO] [stderr]                                at src/libstd/panicking.rs:486
[INFO] [stderr]   11:     0x564c0a59ae5b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:388
[INFO] [stderr]   12:     0x564c0a5ba371 - core::panicking::panic_fmt::hd101a87121fa411f
[INFO] [stderr]                                at src/libcore/panicking.rs:101
[INFO] [stderr]   13:     0x564c0a5ba193 - core::option::expect_none_failed::h4f0e89faa3179bf7
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x564c0a57063b - core::result::Result<T,E>::unwrap::h47f5eb50d3ac3f78
[INFO] [stderr]                                at /rustc/8a749131e7beb72f6edacefd2bdcbed3d67b2112/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x564c0a56d7d4 - build_script_build::main::h52ef8f1deee9725a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   16:     0x564c0a56ef3b - std::rt::lang_start::{{closure}}::h58f6525451a833d4
[INFO] [stderr]                                at /rustc/8a749131e7beb72f6edacefd2bdcbed3d67b2112/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x564c0a59b649 - std::rt::lang_start_internal::{{closure}}::h7c7701ace7781644
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x564c0a59b649 - std::panicking::try::do_call::h25761ef781a3cec3
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   19:     0x564c0a59b649 - std::panicking::try::hc2ed2ebc2df17cc1
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x564c0a59b649 - std::panic::catch_unwind::h548ef5f09b7c73ca
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x564c0a59b649 - std::rt::lang_start_internal::h9a98dc8e2c22711e
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x564c0a56ef17 - std::rt::lang_start::hfd411c3327000280
[INFO] [stderr]                                at /rustc/8a749131e7beb72f6edacefd2bdcbed3d67b2112/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x564c0a56e8ba - main
[INFO] [stderr]   24:     0x7f68835d20b3 - __libc_start_main
[INFO] [stderr]   25:     0x564c0a56d17e - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "24ef3705239d4ee78b968437f20efd16fd98e1f5bbbed0228fa8073e58c98f30"`
[INFO] running `"docker" "rm" "-f" "24ef3705239d4ee78b968437f20efd16fd98e1f5bbbed0228fa8073e58c98f30"`
[INFO] [stdout] 24ef3705239d4ee78b968437f20efd16fd98e1f5bbbed0228fa8073e58c98f30