[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 94aaf20ad4860910695e482fa64ed411b8a45409 [INFO] testing moka491/mio-rs against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoka491%2Fmio-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/moka491/mio-rs on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-0/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7e203394ead57e2235086da82f8a1074d5ea8bf8a332712c727498e5f9cae77 [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" "e7e203394ead57e2235086da82f8a1074d5ea8bf8a332712c727498e5f9cae77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7e203394ead57e2235086da82f8a1074d5ea8bf8a332712c727498e5f9cae77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7e203394ead57e2235086da82f8a1074d5ea8bf8a332712c727498e5f9cae77", kill_on_drop: false }` [INFO] [stdout] e7e203394ead57e2235086da82f8a1074d5ea8bf8a332712c727498e5f9cae77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] 46b70aed59159cf00ddf97c9cd943454a4c2e95746624083888fe774efab9ed7 [INFO] running `Command { std: "docker" "start" "-a" "46b70aed59159cf00ddf97c9cd943454a4c2e95746624083888fe774efab9ed7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.25 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling dtoa v0.4.5 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling serenity v0.8.6 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling sysinfo v0.14.5 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling uwl v0.6.0 [INFO] [stderr] Compiling kankyo v0.2.0 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling miniz_oxide v0.3.6 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling memoffset v0.5.4 [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] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling want v0.3.0 [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 digest v0.8.1 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling regex v1.3.7 [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: 0x562a862b6dd5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x562a862b6dd5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x562a862b6dd5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x562a862b6dd5 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x562a862d8d0c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x562a862b48c2 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x562a862b9210 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x562a862b9210 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x562a862b9210 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x562a862b8f5c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x562a862b9853 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x562a862b944b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x562a862d8111 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x562a862d7f33 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x562a8629009b - core::result::Result::unwrap::h4a5df7088e76e809 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x562a8628c805 - 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: 0x562a8628e64b - std::rt::lang_start::{{closure}}::h559589f2f11c70a9 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x562a862b9c23 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x562a862b9c23 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x562a862b9c23 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x562a862b9c23 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x562a862b9c23 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x562a8628e627 - std::rt::lang_start::he3f13955a934ad04 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x562a8628d89a - main [INFO] [stderr] 24: 0x7fd2d08410b3 - __libc_start_main [INFO] [stderr] 25: 0x562a8628c17e - _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" "46b70aed59159cf00ddf97c9cd943454a4c2e95746624083888fe774efab9ed7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46b70aed59159cf00ddf97c9cd943454a4c2e95746624083888fe774efab9ed7", kill_on_drop: false }` [INFO] [stdout] 46b70aed59159cf00ddf97c9cd943454a4c2e95746624083888fe774efab9ed7