[INFO] fetching crate assemblylift-core-iomod 0.3.0... [INFO] checking assemblylift-core-iomod-0.3.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] extracting crate assemblylift-core-iomod 0.3.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate assemblylift-core-iomod 0.3.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate assemblylift-core-iomod 0.3.0 [INFO] finished tweaking crates.io crate assemblylift-core-iomod 0.3.0 [INFO] tweaked toml for crates.io crate assemblylift-core-iomod 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded capnp-futures v0.13.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", 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] 4aa395810a2f602c6951bf049e2f2220a84b58695d52ed836d67deb1a3f1c8a1 [INFO] running `Command { std: "docker" "start" "-a" "4aa395810a2f602c6951bf049e2f2220a84b58695d52ed836d67deb1a3f1c8a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4aa395810a2f602c6951bf049e2f2220a84b58695d52ed836d67deb1a3f1c8a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aa395810a2f602c6951bf049e2f2220a84b58695d52ed836d67deb1a3f1c8a1", kill_on_drop: false }` [INFO] [stdout] 4aa395810a2f602c6951bf049e2f2220a84b58695d52ed836d67deb1a3f1c8a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37cbb928b01c73fb2221e6583094fa82655dd82b96d89b3c12a1f4b3caaf6fb7 [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" "37cbb928b01c73fb2221e6583094fa82655dd82b96d89b3c12a1f4b3caaf6fb7", kill_on_drop: false }` [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling capnp v0.13.6 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Compiling capnpc v0.13.1 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Compiling assemblylift-core-iomod v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking capnp-futures v0.13.2 [INFO] [stderr] error: failed to run custom build command for `assemblylift-core-iomod v0.3.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/assemblylift-core-iomod-a68aeb766c2c7a49/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rustc-env=RUSTC_VERSION=1.54.0-nightly [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] could not open file "src/iomod_capnp.rs" for writing: Read-only file system (os error 30) [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { kind: Failed, description: "Error while trying to execute `capnp compile`: Failed: Read-only file system (os error 30). Please verify that version 0.5.2 or higher of the capnp executable is installed on your system. See https://capnproto.org/install.html" }', build.rs:11:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55d0139e5220 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55d0139e5220 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55d0139e5220 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55d0139e5220 - ::fmt::h1a8751bf59281272 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55d013a07d5f - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55d0139e2495 - std::io::Write::write_fmt::hd7dd3a1df9b6befb [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55d0139e700b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55d0139e700b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55d0139e700b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55d0139e6aed - std::panicking::default_hook::h3067e8318decd17a [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55d0139e75bd - std::panicking::rust_panic_with_hook::h81b8facc50f34daa [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55d0139e71b7 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55d0139e56dc - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55d0139e7119 - rust_begin_unwind [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55d013904071 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55d013904163 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55d0139064c8 - core::result::Result::unwrap::ha4f6f94209523087 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55d013906759 - build_script_build::main::hd749c37c4c832786 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:7:5 [INFO] [stderr] 18: 0x55d01390570b - core::ops::function::FnOnce::call_once::h6009d5c04205b3f0 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55d0139055ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h6df8b234f192b248 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55d013906601 - std::rt::lang_start::{{closure}}::h7458928ac46674df [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55d0139e79ba - core::ops::function::impls:: for &F>::call_once::h3b8c329143d7638a [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55d0139e79ba - std::panicking::try::do_call::h4b72c261b4eefc1b [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55d0139e79ba - std::panicking::try::h703d31b7896cbd49 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55d0139e79ba - std::panic::catch_unwind::h37cad9b35388a915 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55d0139e79ba - std::rt::lang_start_internal::hab5a8a909af4f90e [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55d0139065e0 - std::rt::lang_start::h4659469850b28144 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55d0139067ec - main [INFO] [stderr] 28: 0x7fa7d90360b3 - __libc_start_main [INFO] [stderr] 29: 0x55d0139047ce - _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" "37cbb928b01c73fb2221e6583094fa82655dd82b96d89b3c12a1f4b3caaf6fb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37cbb928b01c73fb2221e6583094fa82655dd82b96d89b3c12a1f4b3caaf6fb7", kill_on_drop: false }` [INFO] [stdout] 37cbb928b01c73fb2221e6583094fa82655dd82b96d89b3c12a1f4b3caaf6fb7