[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#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphynalle%2Fcivetcat" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/phynalle/civetcat on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded duct v0.9.2 [INFO] [stderr] Downloaded onig v2.0.2 [INFO] [stderr] Downloaded clippy v0.0.175 [INFO] [stderr] Downloaded clippy_lints v0.0.175 [INFO] [stderr] Downloaded onig_sys v66.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3f34e5622d9d4d1864ea4f246af4847ed28faf89dde7239874a62042a941d4f [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" "d3f34e5622d9d4d1864ea4f246af4847ed28faf89dde7239874a62042a941d4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3f34e5622d9d4d1864ea4f246af4847ed28faf89dde7239874a62042a941d4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3f34e5622d9d4d1864ea4f246af4847ed28faf89dde7239874a62042a941d4f", kill_on_drop: false }` [INFO] [stdout] d3f34e5622d9d4d1864ea4f246af4847ed28faf89dde7239874a62042a941d4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4863a55cb43bef0e92bd4d7d9532c51c771f39a483d0b2b770be5a9b2eebde31 [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" "4863a55cb43bef0e92bd4d7d9532c51c771f39a483d0b2b770be5a9b2eebde31", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling itoa v0.3.4 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Compiling cmake v0.1.29 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking clap v2.29.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling onig_sys v66.1.4 [INFO] [stderr] Checking serde_json v1.0.8 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Checking onig v2.0.2 [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-4cf0913b1a371047/build-script-build` (exit status: 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: 0x5575c2cce960 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5575c2cce960 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5575c2cce960 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5575c2cce960 - ::fmt::he40bcdde3c4491cd [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5575c2ced79f - core::fmt::write::h2c729149c08098ab [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x5575c2ccd335 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/io/mod.rs:1578:15 [INFO] [stderr] 6: 0x5575c2cd048b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5575c2cd048b - std::sys_common::backtrace::print::h58edd634a14c2d4c [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5575c2cd048b - std::panicking::default_hook::{{closure}}::h71657a7591430164 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5575c2ccff6d - std::panicking::default_hook::hcdf4eb5db072c85b [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5575c2cd0a3d - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5575c2cd0637 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x5575c2ccedfc - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5575c2cd0599 - rust_begin_unwind [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5575c2c55e41 - core::panicking::panic_fmt::he3827412471ccbb1 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5575c2c55f33 - core::result::unwrap_failed::h6e66654d198da7bd [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x5575c2c741ea - core::result::Result::unwrap::h3b506207ff02b254 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x5575c2ca64ce - build_script_build::main::h5946e7eefbc040ac [INFO] [stderr] at /opt/rustwide/workdir/build.rs:139:17 [INFO] [stderr] 18: 0x5575c2c9f5eb - core::ops::function::FnOnce::call_once::h036e4dc1eb6feedd [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5575c2ca281e - std::sys_common::backtrace::__rust_begin_short_backtrace::h12d1b8a5df542753 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5575c2c783e1 - std::rt::lang_start::{{closure}}::hacf35d45b3ec997a [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x5575c2cd0e3a - core::ops::function::impls:: for &F>::call_once::hd5953dadf0bc8f54 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5575c2cd0e3a - std::panicking::try::do_call::h23b369f1996fb7d4 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x5575c2cd0e3a - std::panicking::try::he017ee9ed6bce192 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x5575c2cd0e3a - std::panic::catch_unwind::hbfb892340a78b30d [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x5575c2cd0e3a - std::rt::lang_start_internal::hce6e4c0ce56abb51 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x5575c2c783c0 - std::rt::lang_start::h7685df0728e8b1ac [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x5575c2cabc1c - main [INFO] [stderr] 28: 0x7f12e7fd10b3 - __libc_start_main [INFO] [stderr] 29: 0x5575c2c5659e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "4863a55cb43bef0e92bd4d7d9532c51c771f39a483d0b2b770be5a9b2eebde31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4863a55cb43bef0e92bd4d7d9532c51c771f39a483d0b2b770be5a9b2eebde31", kill_on_drop: false }` [INFO] [stdout] 4863a55cb43bef0e92bd4d7d9532c51c771f39a483d0b2b770be5a9b2eebde31