[INFO] cloning repository https://github.com/MegasKomnenos/poc2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MegasKomnenos/poc2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0a0ac56a34fef225f98d35eb4db4f1220018b4b [INFO] testing MegasKomnenos/poc2 against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MegasKomnenos/poc2 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 git repo https://github.com/MegasKomnenos/poc2 [INFO] finished tweaking git repo https://github.com/MegasKomnenos/poc2 [INFO] tweaked toml for git repo https://github.com/MegasKomnenos/poc2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/MegasKomnenos/poc2 already has a lockfile, it will not be regenerated [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 ordered-float v0.5.2 [INFO] [stderr] Downloaded proc_macro_roids v0.6.0 [INFO] [stderr] Downloaded serde_bytes v0.11.3 [INFO] [stderr] Downloaded fluent-syntax v0.9.1 [INFO] [stderr] Downloaded enum-primitive-derive v0.1.2 [INFO] [stderr] Downloaded err-derive v0.1.6 [INFO] [stderr] Downloaded shred v0.9.4 [INFO] [stderr] Downloaded getset v0.0.8 [INFO] [stderr] Downloaded inventory-impl v0.1.4 [INFO] [stderr] Downloaded inventory v0.1.4 [INFO] [stderr] Downloaded fluent v0.8.0 [INFO] [stderr] Downloaded voronoi v0.1.4 [INFO] [stderr] Downloaded fluent-locale v0.10.1 [INFO] [stderr] Downloaded intl_pluralrules v4.0.1 [INFO] [stderr] Downloaded bitintr v0.3.0 [INFO] [stderr] Downloaded unic-langid-macros-impl v0.6.0 [INFO] [stderr] Downloaded unic-langid-macros v0.6.0 [INFO] [stderr] Downloaded unic-langid v0.6.1 [INFO] [stderr] Downloaded servo-fontconfig-sys v4.0.8 [INFO] [stderr] Downloaded unic-langid-impl v0.6.2 [INFO] [stderr] Downloaded fluent-bundle v0.8.0 [INFO] [stderr] Downloaded pathfinding v2.0.0 [INFO] [stderr] Downloaded euclid v0.20.6 [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 997c77793fe68874f2952a01693f5c28dd0a35e1435a6978a1d23ed31d0f0c37 [INFO] running `Command { std: "docker" "start" "-a" "997c77793fe68874f2952a01693f5c28dd0a35e1435a6978a1d23ed31d0f0c37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "997c77793fe68874f2952a01693f5c28dd0a35e1435a6978a1d23ed31d0f0c37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "997c77793fe68874f2952a01693f5c28dd0a35e1435a6978a1d23ed31d0f0c37", kill_on_drop: false }` [INFO] [stdout] 997c77793fe68874f2952a01693f5c28dd0a35e1435a6978a1d23ed31d0f0c37 [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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5b3a094b425d7996a94b3afe3b7424a70b228b28de51370286ff2da5795e448 [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" "d5b3a094b425d7996a94b3afe3b7424a70b228b28de51370286ff2da5795e448", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling atom v0.3.5 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling mint v0.5.4 [INFO] [stderr] Compiling mopa v0.2.2 [INFO] [stderr] Compiling colorful v0.2.1 [INFO] [stderr] Compiling shrev v1.1.1 [INFO] [stderr] Compiling tuple_utils v0.3.0 [INFO] [stderr] Compiling edit-distance v2.1.0 [INFO] [stderr] Compiling approx v0.1.1 [INFO] [stderr] Compiling static_assertions v0.3.4 [INFO] [stderr] Compiling tinystr v0.3.2 [INFO] [stderr] Compiling objekt v0.1.2 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling xi-unicode v0.2.0 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling float-ord v0.2.0 [INFO] [stderr] Compiling bitintr v0.3.0 [INFO] [stderr] Compiling fluent-syntax v0.9.1 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling lock_api v0.3.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Compiling x11 v2.18.1 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.8 [INFO] [stderr] Compiling inflate v0.3.4 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling matrixmultiply v0.2.3 [INFO] [stderr] Compiling unic-langid-impl v0.6.2 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling raw-window-handle v0.1.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling err-derive v0.1.6 [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] Compiling deflate v0.7.20 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling rustc-hash v1.0.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling ash v0.29.0 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling euclid v0.20.6 [INFO] [stderr] Compiling colored v1.9.0 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling minimp3-sys v0.3.1 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling crossbeam-queue v0.2.0 [INFO] [stderr] Compiling pathfinding v2.0.0 [INFO] [stderr] Compiling cpal v0.8.2 [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: 0x560a2bd62e37 - 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: 0x560a2bd62e37 - 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: 0x560a2bd62e37 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x560a2bd62e37 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x560a2bd7d6cc - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x560a2bd60862 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x560a2bd64b75 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x560a2bd64b75 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x560a2bd64b75 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x560a2bd646ca - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x560a2bd65311 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x560a2bd64e57 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x560a2bd632fc - 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: 0x560a2bd64db9 - rust_begin_unwind [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x560a2bd7caa1 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x560a2bd7c8c3 - core::option::expect_none_failed::ha72f299eca314ad7 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x560a2bd27f7b - core::result::Result::unwrap::hfab5830935aeca61 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x560a2bd2473c - 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: 0x560a2bd25f9b - core::ops::function::FnOnce::call_once::h991408542650293e [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x560a2bd2618e - 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: 0x560a2bd26571 - std::rt::lang_start::{{closure}}::h2f2c38bd5611bc28 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x560a2bd65737 - 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: 0x560a2bd65737 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x560a2bd65737 - std::panicking::try::ha7167c079f243e71 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x560a2bd65737 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x560a2bd65737 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x560a2bd26547 - std::rt::lang_start::h00f6c8188b6ffe27 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x560a2bd257fa - main [INFO] [stderr] 28: 0x7f6ac707f0b3 - __libc_start_main [INFO] [stderr] 29: 0x560a2bd240ae - _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" "d5b3a094b425d7996a94b3afe3b7424a70b228b28de51370286ff2da5795e448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5b3a094b425d7996a94b3afe3b7424a70b228b28de51370286ff2da5795e448", kill_on_drop: false }` [INFO] [stdout] d5b3a094b425d7996a94b3afe3b7424a70b228b28de51370286ff2da5795e448