[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#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flokillo999%2Fkyo-switcher" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lokillo999/kyo-switcher on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2958f67cb9ce79c15b8f45f1e1980d974681ab806f9b51429af4e945d7aa911c [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" "2958f67cb9ce79c15b8f45f1e1980d974681ab806f9b51429af4e945d7aa911c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2958f67cb9ce79c15b8f45f1e1980d974681ab806f9b51429af4e945d7aa911c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2958f67cb9ce79c15b8f45f1e1980d974681ab806f9b51429af4e945d7aa911c", kill_on_drop: false }` [INFO] [stdout] 2958f67cb9ce79c15b8f45f1e1980d974681ab806f9b51429af4e945d7aa911c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--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] 4fa113522e26736d8a1db05366d4c49fb651e588d7e6fba92d0ecb67e243ecf4 [INFO] running `Command { std: "docker" "start" "-a" "4fa113522e26736d8a1db05366d4c49fb651e588d7e6fba92d0ecb67e243ecf4", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Checking futures v0.1.24 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.2.1 [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 void v1.0.2 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling openssl v0.10.12 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Compiling native-tls v0.2.1 [INFO] [stderr] Checking indexmap v1.0.1 [INFO] [stderr] Checking string v0.1.1 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling macro-utils v0.1.2 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Compiling dbus v0.4.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking encoding_rs v0.8.7 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling minifier v0.0.19 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.1.0 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling html-minifier v1.1.2 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking tokio-io v0.1.9 [INFO] [stderr] Checking http v0.1.13 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking libflate v0.1.18 [INFO] [stderr] Checking mime v0.3.9 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Checking tokio-current-thread v0.1.3 [INFO] [stderr] Compiling kyo-rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking url v1.7.1 [INFO] [stderr] Compiling openssl-sys v0.9.36 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling webview-sys v0.1.0 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-threadpool v0.1.7 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [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: 0x559c45226497 - std::backtrace_rs::backtrace::libunwind::trace::h8bc78f7bc1f75bdb [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x559c45226497 - std::backtrace_rs::backtrace::trace_unsynchronized::ha4c961c9576f95ba [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x559c45226497 - std::sys_common::backtrace::_print_fmt::hc20cfdc233d6eb02 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x559c45226497 - ::fmt::h04bea14549780a0f [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x559c4523db2c - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x559c45224712 - std::io::Write::write_fmt::h55dd75636eef6a5c [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x559c452281c5 - std::sys_common::backtrace::_print::h6439e8525077c7da [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x559c452281c5 - std::sys_common::backtrace::print::h02b685f728ce3931 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x559c452281c5 - std::panicking::default_hook::{{closure}}::h7c29625065fafae1 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x559c45227d23 - std::panicking::default_hook::hba441710bb71f4d5 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x559c45228961 - std::panicking::rust_panic_with_hook::ha936eb00e51bc4d9 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x559c452284a7 - std::panicking::begin_panic_handler::{{closure}}::hcd15140e0238536e [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x559c4522695c - std::sys_common::backtrace::__rust_end_short_backtrace::hb13a021bb64823a1 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x559c45228409 - rust_begin_unwind [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x559c4523cf01 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x559c4523cd23 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/option.rs:1266:5 [INFO] [stderr] 16: 0x559c451e76c1 - core::result::Result::unwrap::h1cf3533269499944 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/result.rs:969:23 [INFO] [stderr] 17: 0x559c451e7fc0 - build_script_build::main::hf4f670a6437f287d [INFO] [stderr] at /opt/rustwide/workdir/build.rs:42:5 [INFO] [stderr] 18: 0x559c451e731b - core::ops::function::FnOnce::call_once::hfc8b71c9311584f4 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x559c451e787e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf915ee81efd88690 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x559c451e7531 - std::rt::lang_start::{{closure}}::h4a186c23c3fdb9d7 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x559c45228d87 - core::ops::function::impls:: for &F>::call_once::h7c92107c3c98a949 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x559c45228d87 - std::panicking::try::do_call::h7454c57e8fbf0cc1 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x559c45228d87 - std::panicking::try::he71cdc15ed83b5ec [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x559c45228d87 - std::panic::catch_unwind::hfc08ddb043e6e18c [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x559c45228d87 - std::rt::lang_start_internal::he4958117ec6901fd [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x559c451e7507 - std::rt::lang_start::h65da60611da61334 [INFO] [stderr] at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x559c451e82ca - main [INFO] [stderr] 28: 0x7fb6105e30b3 - __libc_start_main [INFO] [stderr] 29: 0x559c451e50ae - _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" "4fa113522e26736d8a1db05366d4c49fb651e588d7e6fba92d0ecb67e243ecf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fa113522e26736d8a1db05366d4c49fb651e588d7e6fba92d0ecb67e243ecf4", kill_on_drop: false }` [INFO] [stdout] 4fa113522e26736d8a1db05366d4c49fb651e588d7e6fba92d0ecb67e243ecf4