[INFO] cloning repository https://github.com/scottrabin/breakout [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottrabin/breakout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottrabin%2Fbreakout", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottrabin%2Fbreakout'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9127df651c0c31585f9844ff6e08226dcdce896e [INFO] testing scottrabin/breakout 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%2Fscottrabin%2Fbreakout" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/scottrabin/breakout 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/scottrabin/breakout [INFO] finished tweaking git repo https://github.com/scottrabin/breakout [INFO] tweaked toml for git repo https://github.com/scottrabin/breakout written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/scottrabin/breakout 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 derive-new v0.5.6 [INFO] [stderr] Downloaded specs-hierarchy v0.3.0 [INFO] [stderr] Downloaded rusttype v0.7.6 [INFO] [stderr] Downloaded lyon_geom v0.12.4 [INFO] [stderr] Downloaded glyph_brush v0.4.2 [INFO] [stderr] Downloaded core-text v13.2.0 [INFO] [stderr] Downloaded cmake v0.1.38 [INFO] [stderr] Downloaded twox-hash v1.2.0 [INFO] [stderr] Downloaded bincode v1.1.3 [INFO] [stderr] Downloaded lexical-core v0.4.0 [INFO] [stderr] Downloaded lexical v2.1.0 [INFO] [stderr] Downloaded x11-clipboard v0.3.1 [INFO] [stderr] Downloaded proc-macro-hack v0.5.5 [INFO] [stderr] Downloaded stackvector v1.0.2 [INFO] [stderr] Downloaded laminar v0.2.0 [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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad352567183601518fa8be4bf1a4d58d8fd404d0969d83fc046ed8227144f712 [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" "ad352567183601518fa8be4bf1a4d58d8fd404d0969d83fc046ed8227144f712", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad352567183601518fa8be4bf1a4d58d8fd404d0969d83fc046ed8227144f712", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad352567183601518fa8be4bf1a4d58d8fd404d0969d83fc046ed8227144f712", kill_on_drop: false }` [INFO] [stdout] ad352567183601518fa8be4bf1a4d58d8fd404d0969d83fc046ed8227144f712 [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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7b06881305851ae7844b5f3628b15d3a743536fe0422b1f73426cb6acbc3b60a [INFO] running `Command { std: "docker" "start" "-a" "7b06881305851ae7844b5f3628b15d3a743536fe0422b1f73426cb6acbc3b60a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling syn v0.15.32 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling cc v1.0.35 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling nix v0.13.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling futures v0.1.26 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling libm v0.1.2 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling static_assertions v0.2.5 [INFO] [stderr] Compiling hetseq v0.2.0 [INFO] [stderr] Compiling claxon v0.3.2 [INFO] [stderr] Compiling hashbrown v0.2.2 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling bincode v1.1.3 [INFO] [stderr] Compiling colored v1.7.0 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.7 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling gif v0.10.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling annotate-snippets v0.1.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling stackvector v1.0.2 [INFO] [stderr] Compiling cmake v0.1.38 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling quote v0.6.12 [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 num-traits v0.1.43 [INFO] [stderr] Compiling rustc-hash v1.0.1 [INFO] [stderr] Compiling stb_truetype v0.2.6 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling deflate v0.7.19 [INFO] [stderr] Compiling ogg v0.7.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling glsl-layout-derive v0.1.1 [INFO] [stderr] Compiling fluent-syntax v0.1.1 [INFO] [stderr] Compiling intl_pluralrules v1.0.3 [INFO] [stderr] Compiling lexical-core v0.4.0 [INFO] [stderr] Compiling wayland-scanner v0.21.12 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [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: 0x55e566ae8e37 - 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: 0x55e566ae8e37 - 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: 0x55e566ae8e37 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55e566ae8e37 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55e566b036cc - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55e566ae6862 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55e566aeab75 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55e566aeab75 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55e566aeab75 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55e566aea6ca - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55e566aeb311 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55e566aeae57 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55e566ae92fc - 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: 0x55e566aeadb9 - rust_begin_unwind [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55e566b02aa1 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55e566b028c3 - core::option::expect_none_failed::ha72f299eca314ad7 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55e566aadf7b - core::result::Result::unwrap::hfab5830935aeca61 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x55e566aaa73c - 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: 0x55e566aabf9b - core::ops::function::FnOnce::call_once::h991408542650293e [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55e566aac18e - 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: 0x55e566aac571 - std::rt::lang_start::{{closure}}::h2f2c38bd5611bc28 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55e566aeb737 - 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: 0x55e566aeb737 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55e566aeb737 - std::panicking::try::ha7167c079f243e71 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55e566aeb737 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55e566aeb737 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55e566aac547 - std::rt::lang_start::h00f6c8188b6ffe27 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55e566aab7fa - main [INFO] [stderr] 28: 0x7fda9698b0b3 - __libc_start_main [INFO] [stderr] 29: 0x55e566aaa0ae - _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" "7b06881305851ae7844b5f3628b15d3a743536fe0422b1f73426cb6acbc3b60a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b06881305851ae7844b5f3628b15d3a743536fe0422b1f73426cb6acbc3b60a", kill_on_drop: false }` [INFO] [stdout] 7b06881305851ae7844b5f3628b15d3a743536fe0422b1f73426cb6acbc3b60a