[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#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoka491%2Fmio-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/moka491/mio-rs on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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-6/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sysinfo v0.14.5 [INFO] [stderr] Downloaded kankyo v0.2.0 [INFO] [stderr] Downloaded syn v1.0.25 [INFO] [stderr] Downloaded ring v0.16.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2498fea25b81fe2015838331b3e3dcae3ae2d43c8b0200e0e8bdd4965ab2c72c [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" "2498fea25b81fe2015838331b3e3dcae3ae2d43c8b0200e0e8bdd4965ab2c72c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2498fea25b81fe2015838331b3e3dcae3ae2d43c8b0200e0e8bdd4965ab2c72c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2498fea25b81fe2015838331b3e3dcae3ae2d43c8b0200e0e8bdd4965ab2c72c", kill_on_drop: false }` [INFO] [stdout] 2498fea25b81fe2015838331b3e3dcae3ae2d43c8b0200e0e8bdd4965ab2c72c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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] 60557028789c48eb94b156e882298f02f21e8ebe1f2da9173b05e4714a7bb293 [INFO] running `Command { std: "docker" "start" "-a" "60557028789c48eb94b156e882298f02f21e8ebe1f2da9173b05e4714a7bb293", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling syn v1.0.25 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling sysinfo v0.14.5 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling serenity v0.8.6 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking uwl v0.6.0 [INFO] [stderr] Checking kankyo v0.2.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking typemap v0.3.3 [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] Checking smallvec v0.6.13 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking rustc_version v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking idna v0.2.0 [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 time v0.1.43 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Checking atty v0.2.14 [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: 0x55e4c54446bf - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55e4c54446bf - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55e4c54446bf - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55e4c54446bf - ::fmt::h5a9d4ddd4d99b877 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55e4c5462d0c - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x55e4c5442245 - std::io::Write::write_fmt::h2dbf1bb0d9f42142 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x55e4c5446be0 - std::sys_common::backtrace::_print::h1091565a54a3c462 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55e4c5446be0 - std::sys_common::backtrace::print::hc9759e13a502cda2 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55e4c5446be0 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:198 [INFO] [stderr] 9: 0x55e4c544692c - std::panicking::default_hook::h0dcf88ad4d72ec5e [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:217 [INFO] [stderr] 10: 0x55e4c5447223 - std::panicking::rust_panic_with_hook::h81c308f7accbe523 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:526 [INFO] [stderr] 11: 0x55e4c5446e1b - rust_begin_unwind [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:437 [INFO] [stderr] 12: 0x55e4c5462111 - core::panicking::panic_fmt::h019ad16a92ccd092 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/panicking.rs:85 [INFO] [stderr] 13: 0x55e4c5461f33 - core::option::expect_none_failed::h7135ba2fdb185931 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/option.rs:1274 [INFO] [stderr] 14: 0x55e4c5410eab - core::result::Result::unwrap::h470c71e6c5a81279 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/result.rs:1005 [INFO] [stderr] 15: 0x55e4c540d735 - 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] 16: 0x55e4c540f57b - std::rt::lang_start::{{closure}}::h9a3a5f974fe62060 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:67 [INFO] [stderr] 17: 0x55e4c5447636 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:52 [INFO] [stderr] 18: 0x55e4c5447636 - std::panicking::try::do_call::he0af14a67f26ea71 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:348 [INFO] [stderr] 19: 0x55e4c5447636 - std::panicking::try::h87d5f0e2c2fee1c5 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:325 [INFO] [stderr] 20: 0x55e4c5447636 - std::panic::catch_unwind::he9266eec484f0287 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panic.rs:394 [INFO] [stderr] 21: 0x55e4c5447636 - std::rt::lang_start_internal::hb54283a40e32dc37 [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:51 [INFO] [stderr] 22: 0x55e4c540f557 - std::rt::lang_start::h1b3fd11559c2abbe [INFO] [stderr] at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:67 [INFO] [stderr] 23: 0x55e4c540e7ca - main [INFO] [stderr] 24: 0x7f8b59f190b3 - __libc_start_main [INFO] [stderr] 25: 0x55e4c540d0ae - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "60557028789c48eb94b156e882298f02f21e8ebe1f2da9173b05e4714a7bb293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60557028789c48eb94b156e882298f02f21e8ebe1f2da9173b05e4714a7bb293", kill_on_drop: false }` [INFO] [stdout] 60557028789c48eb94b156e882298f02f21e8ebe1f2da9173b05e4714a7bb293