[INFO] cloning repository https://github.com/shekohex/flutterust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shekohex/flutterust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekohex%2Fflutterust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekohex%2Fflutterust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8f225afd617d90e1ff64bbce037fad90f51c76d9 [INFO] checking shekohex/flutterust against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekohex%2Fflutterust" "/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/shekohex/flutterust on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shekohex/flutterust [INFO] finished tweaking git repo https://github.com/shekohex/flutterust [INFO] tweaked toml for git repo https://github.com/shekohex/flutterust written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/shekohex/flutterust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f3e8cebb0b2242856c0ee872f38549ad7d8cb42872514c41f3cd702780d97dc [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" "5f3e8cebb0b2242856c0ee872f38549ad7d8cb42872514c41f3cd702780d97dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f3e8cebb0b2242856c0ee872f38549ad7d8cb42872514c41f3cd702780d97dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f3e8cebb0b2242856c0ee872f38549ad7d8cb42872514c41f3cd702780d97dc", kill_on_drop: false }` [INFO] [stdout] 5f3e8cebb0b2242856c0ee872f38549ad7d8cb42872514c41f3cd702780d97dc [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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5344a6dd552accc0cf802b6d57a2fe98b65d31a5d91873806cecd581dc0fb66a [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" "5344a6dd552accc0cf802b6d57a2fe98b65d31a5d91873806cecd581dc0fb66a", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling cbindgen v0.14.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Checking gimli v0.21.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking object v0.19.0 [INFO] [stderr] Checking allo-isolate v0.1.6 [INFO] [stderr] Checking adder v0.1.0 (/opt/rustwide/workdir/native/adder) [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking encoding_rs v0.8.23 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling ring v0.16.14 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking addr2line v0.12.1 [INFO] [stderr] Compiling clang v0.24.0 [INFO] [stderr] Checking backtrace v0.3.48 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Checking webpki v0.21.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking rustls v0.17.0 [INFO] [stderr] Checking webpki-roots v0.19.0 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-rustls v0.13.1 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling pin-project-internal v0.4.17 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Checking ffi_helpers v0.2.0 [INFO] [stderr] Compiling dart-bindgen v0.1.7 [INFO] [stderr] Checking pin-project v0.4.17 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking h2 v0.2.5 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking hyper v0.13.6 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking hyper-rustls v0.20.0 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling serde_json v1.0.52 [INFO] [stderr] Checking reqwest v0.10.6 [INFO] [stderr] Checking scrap v0.1.0 (/opt/rustwide/workdir/native/scrap) [INFO] [stderr] Compiling adder-ffi v0.1.0 (/opt/rustwide/workdir/native/adder-ffi) [INFO] [stderr] Compiling scrap-ffi v0.1.0 (/opt/rustwide/workdir/native/scrap-ffi) [INFO] [stderr] error: failed to run custom build command for `adder-ffi v0.1.0 (/opt/rustwide/workdir/native/adder-ffi)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/adder-ffi-4a5258b9f21a7612/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: Other, message: "Read-only file system" })', native/adder-ffi/build.rs:33:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56127e7422e0 - std::backtrace_rs::backtrace::libunwind::trace::hfa838fc631229987 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x56127e7422e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h93a23e36ec026219 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x56127e7422e0 - std::sys_common::backtrace::_print_fmt::hba56c7f796a4152f [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x56127e7422e0 - ::fmt::h214637f1e26310e1 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56127e767eec - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x56127e73f745 - std::io::Write::write_fmt::heb07fc0616bbd06d [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/io/mod.rs:1588:15 [INFO] [stderr] 6: 0x56127e7447fb - std::sys_common::backtrace::_print::h2c2441c37e894fb5 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x56127e7447fb - std::sys_common::backtrace::print::h4fb679ac439362ea [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x56127e7447fb - std::panicking::default_hook::{{closure}}::h56bbadec2356e5d2 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x56127e7442d1 - std::panicking::default_hook::hb25822b45f6fdc4e [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x56127e744ee9 - std::panicking::rust_panic_with_hook::h4da5578e7277d2d4 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:626:17 [INFO] [stderr] 11: 0x56127e7449a7 - std::panicking::begin_panic_handler::{{closure}}::h003783ddb3cba4e8 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x56127e7427bc - std::sys_common::backtrace::__rust_end_short_backtrace::hd138d2032731ed21 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x56127e744909 - rust_begin_unwind [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x56127e1fb721 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x56127e1fb813 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x56127e2154d0 - core::result::Result::unwrap::h4116db73e1179066 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x56127e243874 - build_script_build::main::hc3be129188975136 [INFO] [stderr] at /opt/rustwide/workdir/native/adder-ffi/build.rs:31:5 [INFO] [stderr] 18: 0x56127e23fefb - core::ops::function::FnOnce::call_once::h98814a079423d065 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x56127e21c8ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h30039dd292fa15e1 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x56127e215041 - std::rt::lang_start::{{closure}}::h414ffe862e471b62 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x56127e7454c9 - core::ops::function::impls:: for &F>::call_once::hd933294140eb11aa [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x56127e7454c9 - std::panicking::try::do_call::h8342fe3d9218b807 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x56127e7454c9 - std::panicking::try::hcbd73d6d0d58a8f0 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x56127e7454c9 - std::panic::catch_unwind::hde9cf73f810acfcc [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x56127e7454c9 - std::rt::lang_start_internal::heb39e7ea6e5d6f6f [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x56127e215020 - std::rt::lang_start::h73b1988a49b6a026 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x56127e24392c - main [INFO] [stderr] 28: 0x7f57257250b3 - __libc_start_main [INFO] [stderr] 29: 0x56127e1fbf1e - _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" "5344a6dd552accc0cf802b6d57a2fe98b65d31a5d91873806cecd581dc0fb66a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5344a6dd552accc0cf802b6d57a2fe98b65d31a5d91873806cecd581dc0fb66a", kill_on_drop: false }` [INFO] [stdout] 5344a6dd552accc0cf802b6d57a2fe98b65d31a5d91873806cecd581dc0fb66a