[INFO] cloning repository https://github.com/scottrabin/breakout [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottrabin%2Fbreakout'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9127df651c0c31585f9844ff6e08226dcdce896e [INFO] checking scottrabin/breakout against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottrabin%2Fbreakout" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/scottrabin/breakout on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [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-8/source/Cargo.toml [INFO] crate git repo https://github.com/scottrabin/breakout already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f7589f9b1b2eb6e0f8803c298bcb34aa9a157cd4085c806c7c50e95c077f43f6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "f7589f9b1b2eb6e0f8803c298bcb34aa9a157cd4085c806c7c50e95c077f43f6"` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling syn v0.15.32 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling nix v0.13.0 [INFO] [stderr] Checking downcast-rs v1.0.4 [INFO] [stderr] Checking static_assertions v0.2.5 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Compiling cmake v0.1.38 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling minimp3-sys v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling bincode v1.1.3 [INFO] [stderr] Checking colored v1.7.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking annotate-snippets v0.1.0 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking stackvector v1.0.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling gfx_macros v0.2.1 [INFO] [stderr] Checking intl_pluralrules v1.0.3 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking num-bigint v0.2.2 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Checking fluent-syntax v0.1.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [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-03a55823392860ce/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: 0x55a79c19a124 - backtrace::backtrace::libunwind::trace::hb657e419eb382f5a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55a79c19a124 - backtrace::backtrace::trace_unsynchronized::h63de2160a81d17d0 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a79c19a124 - std::sys_common::backtrace::_print_fmt::hc542595b8774416c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55a79c19a124 - ::fmt::h8b5627db94fbf233 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55a79c1bd07c - core::fmt::write::h7b159f05674a9488 [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55a79c197c43 - std::io::Write::write_fmt::h8379227660cddc2e [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55a79c19c6c5 - std::sys_common::backtrace::_print::hb3b286bfcc94e0bc [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55a79c19c6c5 - std::sys_common::backtrace::print::hd75a13b009bc2bde [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55a79c19c6c5 - std::panicking::default_hook::{{closure}}::h95885250e71c9db2 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55a79c19c402 - std::panicking::default_hook::h9c7a080b2c36bec1 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55a79c19ccd2 - std::panicking::rust_panic_with_hook::h3a55f8a9f7c957a1 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55a79c19c8bb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x55a79c1bc461 - core::panicking::panic_fmt::h245bf339ebbdb26b [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x55a79c1bc283 - core::option::expect_none_failed::hd194cd9f972b5e9b [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x55a79c16f18b - core::result::Result::unwrap::hf22806080a8013b0 [INFO] [stderr] at /rustc/45d050cde277b22a755847338f2acc2c7b834141/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55a79c16c1c5 - build_script_build::main::h1fd9c2987affef44 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 16: 0x55a79c16d96b - std::rt::lang_start::{{closure}}::hf2445ba676fe43f8 [INFO] [stderr] at /rustc/45d050cde277b22a755847338f2acc2c7b834141/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55a79c19d118 - std::rt::lang_start_internal::{{closure}}::h976a57c2451b294c [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55a79c19d118 - std::panicking::try::do_call::he5f80a3843ae2933 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x55a79c19d118 - std::panicking::try::h3e0cfec6df77fa26 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x55a79c19d118 - std::panic::catch_unwind::h6f2dd2e86d8bf8b6 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55a79c19d118 - std::rt::lang_start_internal::hb175d88e70ae7611 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55a79c16d947 - std::rt::lang_start::hc694202e6e71da72 [INFO] [stderr] at /rustc/45d050cde277b22a755847338f2acc2c7b834141/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55a79c16d2ea - main [INFO] [stderr] 24: 0x7f5c3a1aab97 - __libc_start_main [INFO] [stderr] 25: 0x55a79c16bb1a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f7589f9b1b2eb6e0f8803c298bcb34aa9a157cd4085c806c7c50e95c077f43f6"` [INFO] running `"docker" "rm" "-f" "f7589f9b1b2eb6e0f8803c298bcb34aa9a157cd4085c806c7c50e95c077f43f6"` [INFO] [stdout] f7589f9b1b2eb6e0f8803c298bcb34aa9a157cd4085c806c7c50e95c077f43f6