[INFO] fetching crate rustpython-vm 0.1.2... [INFO] testing rustpython-vm-0.1.2 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate rustpython-vm 0.1.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate rustpython-vm 0.1.2 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustpython-vm 0.1.2 [INFO] finished tweaking crates.io crate rustpython-vm 0.1.2 [INFO] tweaked toml for crates.io crate rustpython-vm 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lexical v4.2.0 [INFO] [stderr] Downloaded rustpython-bytecode v0.1.2 [INFO] [stderr] Downloaded mt19937 v1.0.1 [INFO] [stderr] Downloaded unic-ucd-hangul v0.9.0 [INFO] [stderr] Downloaded lalrpop v0.17.2 [INFO] [stderr] Downloaded lalrpop-util v0.17.2 [INFO] [stderr] Downloaded caseless v0.2.1 [INFO] [stderr] Downloaded rustc_version_runtime v0.1.5 [INFO] [stderr] Downloaded result-like v0.2.1 [INFO] [stderr] Downloaded unic-normal v0.9.0 [INFO] [stderr] Downloaded rustpython-compiler v0.1.2 [INFO] [stderr] Downloaded rustpython-derive v0.1.2 [INFO] [stderr] Downloaded unicode_names2 v0.4.0 [INFO] [stderr] Downloaded ena v0.13.1 [INFO] [stderr] Downloaded lz4-compress v0.1.1 [INFO] [stderr] Downloaded unic-emoji-char v0.9.0 [INFO] [stderr] Downloaded rustpython-parser v0.1.2 [INFO] [stderr] Downloaded unic-ucd-bidi v0.9.0 [INFO] [stderr] Downloaded unic-ucd-normal v0.9.0 [INFO] [stderr] Downloaded unicode-casing v0.1.0 [INFO] [stderr] Downloaded unic-ucd-category v0.9.0 [INFO] [stderr] Downloaded flame v0.2.2 [INFO] [stderr] Downloaded unic-bidi v0.9.0 [INFO] [stderr] Downloaded smallbox v0.8.0 [INFO] [stderr] Downloaded volatile v0.2.7 [INFO] [stderr] Downloaded hexf-parse v0.1.0 [INFO] [stderr] Downloaded flamer v0.3.0 [INFO] [stderr] Downloaded unic-ucd-age v0.9.0 [INFO] [stderr] Downloaded generational-arena v0.2.3 [INFO] running `Command { std: "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b3d3a6e142222d9cfee5b77c0de4743a94edc479d12a29e0a0db74c8f2f4023 [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" "4b3d3a6e142222d9cfee5b77c0de4743a94edc479d12a29e0a0db74c8f2f4023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b3d3a6e142222d9cfee5b77c0de4743a94edc479d12a29e0a0db74c8f2f4023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b3d3a6e142222d9cfee5b77c0de4743a94edc479d12a29e0a0db74c8f2f4023", kill_on_drop: false }` [INFO] [stdout] 4b3d3a6e142222d9cfee5b77c0de4743a94edc479d12a29e0a0db74c8f2f4023 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1274dab6626897ce933113d4e939b84f66c8bf9c71e7d8dcb5156afdea2aaf7f [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" "1274dab6626897ce933113d4e939b84f66c8bf9c71e7d8dcb5156afdea2aaf7f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling unic-common v0.9.0 [INFO] [stderr] Compiling unic-char-range v0.9.0 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling unicode_names2 v0.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling rustpython-vm v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling volatile v0.2.7 [INFO] [stderr] Compiling exitcode v1.1.2 [INFO] [stderr] Compiling unicode-casing v0.1.0 [INFO] [stderr] Compiling hexf-parse v0.1.0 [INFO] [stderr] Compiling smallbox v0.8.0 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling generational-arena v0.2.3 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling lz4-compress v0.1.1 [INFO] [stderr] Compiling unic-char-property v0.9.0 [INFO] [stderr] Compiling unic-ucd-version v0.9.0 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling lexical-core v0.6.7 [INFO] [stderr] Compiling lexical v4.2.0 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling unic-ucd-hangul v0.9.0 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling unic-ucd-ident v0.9.0 [INFO] [stderr] Compiling unic-emoji-char v0.9.0 [INFO] [stderr] Compiling unic-ucd-bidi v0.9.0 [INFO] [stderr] Compiling unic-ucd-category v0.9.0 [INFO] [stderr] Compiling unic-ucd-age v0.9.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling pmutil v0.5.3 [INFO] [stderr] Compiling arr_macro_impl v0.1.3 [INFO] [stderr] Compiling derivative v2.1.3 [INFO] [stderr] Compiling caseless v0.2.1 [INFO] [stderr] Compiling sha3 v0.8.2 [INFO] [stderr] Compiling md-5 v0.8.0 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling unic-ucd-normal v0.9.0 [INFO] [stderr] Compiling blake2 v0.8.1 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling unic-bidi v0.9.0 [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-28f7e62860dad4f6/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:27:48 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5614eb860e37 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5614eb860e37 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5614eb860e37 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5614eb860e37 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5614eb87b6cc - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x5614eb85e862 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x5614eb862b75 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5614eb862b75 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5614eb862b75 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5614eb8626ca - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5614eb863311 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5614eb862e57 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x5614eb8612fc - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5614eb862db9 - rust_begin_unwind [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5614eb87aaa1 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5614eb87a8c3 - core::option::expect_none_failed::ha72f299eca314ad7 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x5614eb825f7b - core::result::Result::unwrap::hfab5830935aeca61 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x5614eb82273c - build_script_build::main::hba02d452ddbffb05 [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: 0x5614eb823f9b - core::ops::function::FnOnce::call_once::h991408542650293e [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5614eb82418e - std::sys_common::backtrace::__rust_begin_short_backtrace::he79934fae059ce29 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5614eb824571 - std::rt::lang_start::{{closure}}::h2f2c38bd5611bc28 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x5614eb863737 - core::ops::function::impls:: for &F>::call_once::hb5ab992a536e3d7c [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5614eb863737 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x5614eb863737 - std::panicking::try::ha7167c079f243e71 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x5614eb863737 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x5614eb863737 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x5614eb824547 - std::rt::lang_start::h00f6c8188b6ffe27 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x5614eb8237fa - main [INFO] [stderr] 28: 0x7f8b3ee840b3 - __libc_start_main [INFO] [stderr] 29: 0x5614eb8220ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "1274dab6626897ce933113d4e939b84f66c8bf9c71e7d8dcb5156afdea2aaf7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1274dab6626897ce933113d4e939b84f66c8bf9c71e7d8dcb5156afdea2aaf7f", kill_on_drop: false }` [INFO] [stdout] 1274dab6626897ce933113d4e939b84f66c8bf9c71e7d8dcb5156afdea2aaf7f