[INFO] cloning repository https://github.com/moka491/mio-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moka491/mio-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoka491%2Fmio-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoka491%2Fmio-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c83e576f8061b22fabd3e990e9e20a3ca84846e9 [INFO] checking moka491/mio-rs against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoka491%2Fmio-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/moka491/mio-rs on toolchain 05c8870159e4f328578a970e125aa76d24f03b56 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/moka491/mio-rs [INFO] finished tweaking git repo https://github.com/moka491/mio-rs [INFO] tweaked toml for git repo https://github.com/moka491/mio-rs written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/moka491/mio-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded kankyo v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] fce6f26bf85c33d4a79b40b8a258c7710ef3a06f0d8cb7b427fab4225c869582 [INFO] running `Command { std: "docker" "start" "-a" "fce6f26bf85c33d4a79b40b8a258c7710ef3a06f0d8cb7b427fab4225c869582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fce6f26bf85c33d4a79b40b8a258c7710ef3a06f0d8cb7b427fab4225c869582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fce6f26bf85c33d4a79b40b8a258c7710ef3a06f0d8cb7b427fab4225c869582", kill_on_drop: false }` [INFO] [stdout] fce6f26bf85c33d4a79b40b8a258c7710ef3a06f0d8cb7b427fab4225c869582 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1814d8284b41705e20789b138c767c2df1252422257e3e240458723c01ce2cb5 [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" "1814d8284b41705e20789b138c767c2df1252422257e3e240458723c01ce2cb5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.25 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling sysinfo v0.14.5 [INFO] [stderr] Compiling serenity v0.8.6 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking uwl v0.6.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking kankyo v0.2.0 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling ring v0.16.13 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking rayon-core v1.7.1 [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-ed7b1f1a5b119776/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: 0x564bfcd18bd0 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x564bfcd18bd0 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x564bfcd18bd0 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x564bfcd18bd0 - ::fmt::h3cd15d7003dec37a [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x564bfcd3618c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x564bfcd16877 - std::io::Write::write_fmt::hac61caff894c35ae [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/io/mod.rs:1517 [INFO] [stderr] 6: 0x564bfcd1ace0 - std::sys_common::backtrace::_print::haa2f390fb7957e3e [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x564bfcd1ace0 - std::sys_common::backtrace::print::h48c7cbbad9013bb1 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x564bfcd1ace0 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x564bfcd1aa2c - std::panicking::default_hook::h2f00c78800d98e4c [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x564bfcd1b343 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x564bfcd1af19 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x564bfcd1903c - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x564bfcd1aed9 - rust_begin_unwind [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x564bfcd354b1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x564bfcd352d3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/option.rs:1221 [INFO] [stderr] 16: 0x564bfcce5d99 - core::result::Result::unwrap::h89c3899ad99f3063 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x564bfcce2735 - build_script_build::main::h1908632b746efad9 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 18: 0x564bfcce432b - core::ops::function::FnOnce::call_once::hd120cd3a7e75fd9d [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x564bfcce3fde - std::sys_common::backtrace::__rust_begin_short_backtrace::hf3a82416bd80c3fb [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x564bfcce45d1 - std::rt::lang_start::{{closure}}::h4ce1e7b3fc7bcf98 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x564bfcd1b741 - core::ops::function::impls:: for &F>::call_once::hecc21eb9018cc197 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x564bfcd1b741 - std::panicking::try::do_call::h174ad655d084b5c7 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x564bfcd1b741 - std::panicking::try::h479e6054ce28de10 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x564bfcd1b741 - std::panic::catch_unwind::hb558ddea2b3e9c45 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x564bfcd1b741 - std::rt::lang_start_internal::h163149047f0a8b61 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x564bfcce45a7 - std::rt::lang_start::h9bd5ee95593aa6be [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x564bfcce37ca - main [INFO] [stderr] 28: 0x7f6549f550b3 - __libc_start_main [INFO] [stderr] 29: 0x564bfcce20ae - _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" "1814d8284b41705e20789b138c767c2df1252422257e3e240458723c01ce2cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1814d8284b41705e20789b138c767c2df1252422257e3e240458723c01ce2cb5", kill_on_drop: false }` [INFO] [stdout] 1814d8284b41705e20789b138c767c2df1252422257e3e240458723c01ce2cb5