[INFO] cloning repository https://github.com/phynalle/civetcat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phynalle/civetcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphynalle%2Fcivetcat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphynalle%2Fcivetcat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 50cb20371269df70927ab00be7ccf8b8ece2ef86 [INFO] checking phynalle/civetcat against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphynalle%2Fcivetcat" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/phynalle/civetcat on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/phynalle/civetcat [INFO] finished tweaking git repo https://github.com/phynalle/civetcat [INFO] tweaked toml for git repo https://github.com/phynalle/civetcat written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/phynalle/civetcat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.24 [INFO] [stderr] Downloaded cmake v0.1.29 [INFO] [stderr] Downloaded serde_json v1.0.8 [INFO] [stderr] Downloaded clap v2.29.0 [INFO] [stderr] Downloaded os_pipe v0.6.0 [INFO] [stderr] Downloaded serde_derive_internals v0.18.0 [INFO] [stderr] Downloaded shared_child v0.3.2 [INFO] [stderr] Downloaded serde v1.0.24 [INFO] [stderr] Downloaded clippy v0.0.175 [INFO] [stderr] Downloaded clippy_lints v0.0.175 [INFO] [stderr] Downloaded onig_sys v66.1.4 [INFO] [stderr] Downloaded onig v2.0.2 [INFO] [stderr] Downloaded duct v0.9.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de233c9e66da92c66727219d671591d109aaa74e8b13cc4785d26b6069fb6c06 [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" "de233c9e66da92c66727219d671591d109aaa74e8b13cc4785d26b6069fb6c06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de233c9e66da92c66727219d671591d109aaa74e8b13cc4785d26b6069fb6c06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de233c9e66da92c66727219d671591d109aaa74e8b13cc4785d26b6069fb6c06", kill_on_drop: false }` [INFO] [stdout] de233c9e66da92c66727219d671591d109aaa74e8b13cc4785d26b6069fb6c06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] 96742c67b41cb0f9b1d1cfb3d9149762b6594c80bf1c9f594d6f4082063ef066 [INFO] running `Command { std: "docker" "start" "-a" "96742c67b41cb0f9b1d1cfb3d9149762b6594c80bf1c9f594d6f4082063ef066", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Compiling cmake v0.1.29 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking clap v2.29.0 [INFO] [stderr] Compiling onig_sys v66.1.4 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Checking onig v2.0.2 [INFO] [stderr] Checking serde_json v1.0.8 [INFO] [stderr] Compiling civetcat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `to_weak` [INFO] [stdout] --> src/syntax/raw_rule.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn to_weak(&self) -> WeakRawRuleRef { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `upgrade` [INFO] [stdout] --> src/syntax/raw_rule.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn upgrade(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: failed to run custom build command for `civetcat v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/civetcat-b299cb3bb0ec716d/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:139:51 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5588e68c3fc0 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x5588e68c3fc0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5588e68c3fc0 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x5588e68c3fc0 - ::fmt::hb0ad78ee1571f7e0 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x5588e68e18bc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x5588e68c2812 - std::io::Write::write_fmt::hf7b7d7b243f84a36 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x5588e68c610d - std::sys_common::backtrace::_print::hd093978a5287b8ff [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x5588e68c610d - std::sys_common::backtrace::print::h20f46787581d56d7 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x5588e68c610d - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x5588e68c5db8 - std::panicking::default_hook::h4190c9e3edd4d591 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x5588e68c67f1 - std::panicking::rust_panic_with_hook::h72e78719cdda225c [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x5588e68c6399 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x5588e68c444c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x5588e68c6359 - rust_begin_unwind [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x5588e68e01a1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x5588e68dffc3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/option.rs:1234 [INFO] [stderr] 16: 0x5588e6897c5b - core::result::Result::unwrap::h93d331a1da50b8fe [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x5588e687fd62 - build_script_build::main::hcf6f4fa07f54a501 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:139 [INFO] [stderr] 18: 0x5588e686b32b - core::ops::function::FnOnce::call_once::hdd5a5e6acd42ba38 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x5588e686a9be - std::sys_common::backtrace::__rust_begin_short_backtrace::h229063c264d735f1 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x5588e6867ee1 - std::rt::lang_start::{{closure}}::h6eff93d6e126999f [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x5588e68c6c17 - core::ops::function::impls:: for &F>::call_once::h5e15f43ce28787f7 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x5588e68c6c17 - std::panicking::try::do_call::h764f1891769113e9 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x5588e68c6c17 - std::panicking::try::h0f2fe4fdd5e0ad19 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x5588e68c6c17 - std::panic::catch_unwind::h1634e40dd3a19f80 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x5588e68c6c17 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x5588e6867eb7 - std::rt::lang_start::hf482de3606b55e94 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x5588e68852ca - main [INFO] [stderr] 28: 0x7f5fb7e2a0b3 - __libc_start_main [INFO] [stderr] 29: 0x5588e68420ae - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "96742c67b41cb0f9b1d1cfb3d9149762b6594c80bf1c9f594d6f4082063ef066", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96742c67b41cb0f9b1d1cfb3d9149762b6594c80bf1c9f594d6f4082063ef066", kill_on_drop: false }` [INFO] [stdout] 96742c67b41cb0f9b1d1cfb3d9149762b6594c80bf1c9f594d6f4082063ef066