[INFO] fetching crate rustpython 0.1.2... [INFO] checking rustpython-0.1.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate rustpython 0.1.2 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate rustpython 0.1.2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded python3-sys v0.2.1 [INFO] [stderr] Downloaded rustpython-vm v0.1.2 [INFO] [stderr] Downloaded generational-arena v0.2.3 [INFO] [stderr] Downloaded rustyline v6.1.0 [INFO] [stderr] Downloaded flamescope v0.1.1 [INFO] [stderr] Downloaded cpython v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ddf90711e670651b5758d3e6cd2da91d1c77072f9fea22264e5375a2ac67c5d6 [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" "ddf90711e670651b5758d3e6cd2da91d1c77072f9fea22264e5375a2ac67c5d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ddf90711e670651b5758d3e6cd2da91d1c77072f9fea22264e5375a2ac67c5d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddf90711e670651b5758d3e6cd2da91d1c77072f9fea22264e5375a2ac67c5d6", kill_on_drop: false }` [INFO] [stdout] ddf90711e670651b5758d3e6cd2da91d1c77072f9fea22264e5375a2ac67c5d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2b8bd527eedb336c893b34978c9672861720d16833e571405757e9fc2fcd02f [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" "b2b8bd527eedb336c893b34978c9672861720d16833e571405757e9fc2fcd02f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking unic-common v0.9.0 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Checking unic-char-range v0.9.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling byteorder v0.5.3 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling unicode_names2 v0.4.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Checking instant v0.1.4 [INFO] [stderr] Compiling rustpython-vm v0.1.2 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Compiling once_cell v1.3.1 [INFO] [stderr] Checking volatile v0.2.6 [INFO] [stderr] Checking unicode-casing v0.1.0 [INFO] [stderr] Checking smallbox v0.8.0 [INFO] [stderr] Compiling cpython v0.2.1 [INFO] [stderr] Checking hexf-parse v0.1.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking exitcode v1.1.2 [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 num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Checking generational-arena v0.2.3 [INFO] [stderr] Checking unic-char-property v0.9.0 [INFO] [stderr] Checking unic-ucd-version v0.9.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling lz4-compress v0.1.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking unicode-normalization v0.1.12 [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] Checking itertools v0.8.2 [INFO] [stderr] Checking lock_api v0.4.0 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling byteorder v1.3.4 [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 unic-ucd-hangul v0.9.0 [INFO] [stderr] Checking unic-ucd-ident 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-age v0.9.0 [INFO] [stderr] Checking unic-ucd-category v0.9.0 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking uname v0.1.1 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking gethostname v0.2.1 [INFO] [stderr] Checking subprocess v0.2.4 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking unic-ucd-normal v0.9.0 [INFO] [stderr] Checking unic-bidi v0.9.0 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking dirs-next v1.0.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Compiling lexical-core v0.6.2 [INFO] [stderr] Compiling lexical v4.0.0 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Checking dns-lookup v1.0.1 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking unic-normal v0.9.0 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Checking backtrace v0.3.41 [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-ed7b1f1a5b119776/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: 0x55c02bb08470 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55c02bb08470 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c02bb08470 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55c02bb08470 - ::fmt::h3834b06f68a2b012 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55c02bb2637c - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x55c02bb061c5 - std::io::Write::write_fmt::h9c0c8944a1898139 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x55c02bb0a5f0 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55c02bb0a5f0 - std::sys_common::backtrace::print::h213be73e5670b8ea [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55c02bb0a5f0 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x55c02bb0a33c - std::panicking::default_hook::hd41fbdeba93207ba [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x55c02bb0ac53 - std::panicking::rust_panic_with_hook::hcab398664b4bd473 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x55c02bb0a829 - std::panicking::begin_panic_handler::{{closure}}::h7512c6f2998ba93d [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:476 [INFO] [stderr] 12: 0x55c02bb088dc - std::sys_common::backtrace::__rust_end_short_backtrace::h1a25d7e7e1864d3d [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55c02bb0a7e9 - rust_begin_unwind [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:475 [INFO] [stderr] 14: 0x55c02bb25781 - core::panicking::panic_fmt::h019ad16a92ccd092 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x55c02bb255a3 - core::option::expect_none_failed::h7135ba2fdb185931 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/option.rs:1274 [INFO] [stderr] 16: 0x55c02bad4e5b - core::result::Result::unwrap::ha84fe522f295f545 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/result.rs:1005 [INFO] [stderr] 17: 0x55c02bad1735 - build_script_build::main::h1908632b746efad9 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 18: 0x55c02bad33ab - core::ops::function::FnOnce::call_once::h691e7a8690f7e116 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:233 [INFO] [stderr] 19: 0x55c02bad303e - std::sys_common::backtrace::__rust_begin_short_backtrace::hee0cbf377d7d8592 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x55c02bad3651 - std::rt::lang_start::{{closure}}::h2e3a62f85266296e [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x55c02bb0b062 - core::ops::function::impls:: for &F>::call_once::hde9814ae740a85dc [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:265 [INFO] [stderr] 22: 0x55c02bb0b062 - std::panicking::try::do_call::h3026bab8cd7540d7 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:373 [INFO] [stderr] 23: 0x55c02bb0b062 - std::panicking::try::h852bb5e5a66f7f84 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:337 [INFO] [stderr] 24: 0x55c02bb0b062 - std::panic::catch_unwind::hfeb0f3dddf7c6a72 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panic.rs:394 [INFO] [stderr] 25: 0x55c02bb0b062 - std::rt::lang_start_internal::h32f0ac6e87476559 [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x55c02bad3627 - std::rt::lang_start::h279a285b651351ac [INFO] [stderr] at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x55c02bad27ca - main [INFO] [stderr] 28: 0x7fc7713440b3 - __libc_start_main [INFO] [stderr] 29: 0x55c02bad10ae - _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" "b2b8bd527eedb336c893b34978c9672861720d16833e571405757e9fc2fcd02f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2b8bd527eedb336c893b34978c9672861720d16833e571405757e9fc2fcd02f", kill_on_drop: false }` [INFO] [stdout] b2b8bd527eedb336c893b34978c9672861720d16833e571405757e9fc2fcd02f