[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 master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoka491%2Fmio-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/moka491/mio-rs on toolchain a874956d940ecb3ed524b6176a171219ac4787ea [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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-7/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d3756492fa50eb560fa421383bcef277890f26dfdb56c99ca220ec7bf867bd9 [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" "4d3756492fa50eb560fa421383bcef277890f26dfdb56c99ca220ec7bf867bd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d3756492fa50eb560fa421383bcef277890f26dfdb56c99ca220ec7bf867bd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d3756492fa50eb560fa421383bcef277890f26dfdb56c99ca220ec7bf867bd9", kill_on_drop: false }` [INFO] [stdout] 4d3756492fa50eb560fa421383bcef277890f26dfdb56c99ca220ec7bf867bd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e29d61198609abb9c176869dfde613e5ab83263de7aa12f1368186338d623c5 [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" "2e29d61198609abb9c176869dfde613e5ab83263de7aa12f1368186338d623c5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling autocfg v1.0.0 [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 spin v0.5.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling serenity v0.8.6 [INFO] [stderr] Compiling sysinfo v0.14.5 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking uwl v0.6.0 [INFO] [stderr] Checking kankyo v0.2.0 [INFO] [stderr] Compiling ring v0.16.13 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking encoding_rs v0.8.23 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking sha-1 v0.8.2 [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] 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: 0x5620c4e34140 - std::backtrace_rs::backtrace::libunwind::trace::h14e81b0c16b543a7 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x5620c4e34140 - std::backtrace_rs::backtrace::trace_unsynchronized::hc9e39e172835ff32 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5620c4e34140 - std::sys_common::backtrace::_print_fmt::h31994df1c8c77b8f [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x5620c4e34140 - ::fmt::he74e98acff43ec99 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x5620c4e5163c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x5620c4e31de7 - std::io::Write::write_fmt::hea6289e6649ff508 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/io/mod.rs:1517 [INFO] [stderr] 6: 0x5620c4e36250 - std::sys_common::backtrace::_print::h8cc65937fea24014 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x5620c4e36250 - std::sys_common::backtrace::print::hff6a0ebb96535e34 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x5620c4e36250 - std::panicking::default_hook::{{closure}}::h71b9700c5dda1b1d [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x5620c4e35f9c - std::panicking::default_hook::h0c46e634c06c69b6 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x5620c4e368b3 - std::panicking::rust_panic_with_hook::he52576a0c2093334 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x5620c4e36489 - std::panicking::begin_panic_handler::{{closure}}::h411c800b810762b2 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x5620c4e345cc - std::sys_common::backtrace::__rust_end_short_backtrace::ha657a272019e6aad [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x5620c4e36449 - rust_begin_unwind [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x5620c4e50961 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x5620c4e50783 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/option.rs:1221 [INFO] [stderr] 16: 0x5620c4e00d49 - core::result::Result::unwrap::hae16ae6b7bbbe7b2 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x5620c4dfd735 - 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: 0x5620c4dff2db - core::ops::function::FnOnce::call_once::hd120cd3a7e75fd9d [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x5620c4dfefce - std::sys_common::backtrace::__rust_begin_short_backtrace::h4b0cfbdfb6241c4b [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x5620c4dff5c1 - std::rt::lang_start::{{closure}}::h73457c1ecb572514 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x5620c4e36cb1 - core::ops::function::impls:: for &F>::call_once::h009d20b8a620bf60 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x5620c4e36cb1 - std::panicking::try::do_call::h09431c39e2107c90 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x5620c4e36cb1 - std::panicking::try::he27cf60b958af343 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x5620c4e36cb1 - std::panic::catch_unwind::h7b646b0041dc5591 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x5620c4e36cb1 - std::rt::lang_start_internal::hdad6c98af1e4747e [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x5620c4dff597 - std::rt::lang_start::h1ea05f1679b8723a [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x5620c4dfe7ca - main [INFO] [stderr] 28: 0x7f7a8f61b0b3 - __libc_start_main [INFO] [stderr] 29: 0x5620c4dfd0ae - _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" "2e29d61198609abb9c176869dfde613e5ab83263de7aa12f1368186338d623c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e29d61198609abb9c176869dfde613e5ab83263de7aa12f1368186338d623c5", kill_on_drop: false }` [INFO] [stdout] 2e29d61198609abb9c176869dfde613e5ab83263de7aa12f1368186338d623c5