[INFO] cloning repository https://github.com/lokillo999/kyo-switcher [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lokillo999/kyo-switcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokillo999%2Fkyo-switcher", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokillo999%2Fkyo-switcher'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d8e1f96527a736af650c27a11270d28e341e244 [INFO] checking lokillo999/kyo-switcher against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokillo999%2Fkyo-switcher" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lokillo999/kyo-switcher on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lokillo999/kyo-switcher [INFO] finished tweaking git repo https://github.com/lokillo999/kyo-switcher [INFO] tweaked toml for git repo https://github.com/lokillo999/kyo-switcher written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/lokillo999/kyo-switcher already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4181685ba0623201822cfdfc4d9a92a4eb1c64fc4a58d39d19882c4bf5485df7 [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" "4181685ba0623201822cfdfc4d9a92a4eb1c64fc4a58d39d19882c4bf5485df7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4181685ba0623201822cfdfc4d9a92a4eb1c64fc4a58d39d19882c4bf5485df7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4181685ba0623201822cfdfc4d9a92a4eb1c64fc4a58d39d19882c4bf5485df7", kill_on_drop: false }` [INFO] [stdout] 4181685ba0623201822cfdfc4d9a92a4eb1c64fc4a58d39d19882c4bf5485df7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c1f8e895b7e7bad9b0ec54b66219c436b892175595c6b119591c07b8b1f55b7 [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" "5c1f8e895b7e7bad9b0ec54b66219c436b892175595c6b119591c07b8b1f55b7", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.12 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking string v0.1.1 [INFO] [stderr] Compiling macro-utils v0.1.2 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Compiling unicase v2.1.0 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking encoding_rs v0.8.7 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling minifier v0.0.19 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Checking url v1.7.1 [INFO] [stderr] Checking serde_json v1.0.31 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Compiling html-minifier v1.1.2 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking mime v0.3.9 [INFO] [stderr] Compiling openssl-sys v0.9.36 [INFO] [stderr] Compiling dbus v0.4.1 [INFO] [stderr] Compiling webview-sys v0.1.0 [INFO] [stderr] Checking tokio-io v0.1.9 [INFO] [stderr] Checking http v0.1.13 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Compiling kyo-rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking libflate v0.1.18 [INFO] [stderr] Checking serde_urlencoded v0.5.3 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Checking tokio-threadpool v0.1.7 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] error: failed to run custom build command for `kyo-rs v0.0.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/kyo-rs-6ac9a0527a476c30/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" }', build.rs:42:58 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556aac56fb17 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x556aac56fb17 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x556aac56fb17 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x556aac56fb17 - ::fmt::hc132ae1a5b5aa7cd [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x556aac58b30c - core::fmt::write::hdf023a0036d2a25f [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x556aac56df62 - std::io::Write::write_fmt::h8580846154bcb66a [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x556aac571855 - std::sys_common::backtrace::_print::h7ee55fed88d107a3 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x556aac571855 - std::sys_common::backtrace::print::h54a7d3e52a524177 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x556aac571855 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x556aac5713aa - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x556aac571ff1 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x556aac571b37 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x556aac56ffdc - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x556aac571a99 - rust_begin_unwind [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x556aac58a6e1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x556aac58a503 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x556aac535671 - core::result::Result::unwrap::hdfcf55507e3c9cba [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x556aac536550 - build_script_build::main::hf4f670a6437f287d [INFO] [stderr] at /opt/rustwide/workdir/build.rs:42:5 [INFO] [stderr] 18: 0x556aac53541b - core::ops::function::FnOnce::call_once::hfc8b71c9311584f4 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x556aac53588e - std::sys_common::backtrace::__rust_begin_short_backtrace::h44c035fba93e460a [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x556aac535811 - std::rt::lang_start::{{closure}}::hb6a0d48ee5c6a218 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x556aac572417 - core::ops::function::impls:: for &F>::call_once::h54c39b9b8451875a [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x556aac572417 - std::panicking::try::do_call::hcdfba51a06e21b42 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x556aac572417 - std::panicking::try::hb36953ccd24f930d [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x556aac572417 - std::panic::catch_unwind::hbb374cd03beb3824 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x556aac572417 - std::rt::lang_start_internal::h97dca9624db2aa85 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x556aac5357e7 - std::rt::lang_start::h9bca3ac8ca789e25 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x556aac53685a - main [INFO] [stderr] 28: 0x7fb879b670b3 - __libc_start_main [INFO] [stderr] 29: 0x556aac5330ae - _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" "5c1f8e895b7e7bad9b0ec54b66219c436b892175595c6b119591c07b8b1f55b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c1f8e895b7e7bad9b0ec54b66219c436b892175595c6b119591c07b8b1f55b7", kill_on_drop: false }` [INFO] [stdout] 5c1f8e895b7e7bad9b0ec54b66219c436b892175595c6b119591c07b8b1f55b7