[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] testing shekohex/flutterust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekohex%2Fflutterust" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shekohex/flutterust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-9/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6d1094e97bcd22135c3eaafb7362647d921e6550d0bdd7d2a33d35becb293504 [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" "6d1094e97bcd22135c3eaafb7362647d921e6550d0bdd7d2a33d35becb293504", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d1094e97bcd22135c3eaafb7362647d921e6550d0bdd7d2a33d35becb293504", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d1094e97bcd22135c3eaafb7362647d921e6550d0bdd7d2a33d35becb293504", kill_on_drop: false }` [INFO] [stdout] 6d1094e97bcd22135c3eaafb7362647d921e6550d0bdd7d2a33d35becb293504 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02a7aa8fe84dcc132fa415d5b7ae9413e3697b29ef5cdc2b1a36f77d47a05e50 [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" "02a7aa8fe84dcc132fa415d5b7ae9413e3697b29ef5cdc2b1a36f77d47a05e50", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling pin-project-lite v0.1.5 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling cbindgen v0.14.3 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling gimli v0.21.0 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling dtoa v0.4.5 [INFO] [stderr] Compiling object v0.19.0 [INFO] [stderr] Compiling base64 v0.12.1 [INFO] [stderr] Compiling allo-isolate v0.1.6 [INFO] [stderr] Compiling adder v0.1.0 (/opt/rustwide/workdir/native/adder) [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling ring v0.16.14 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling clang v0.24.0 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling addr2line v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.48 [INFO] [stderr] Compiling webpki v0.21.3 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling rustls v0.17.0 [INFO] [stderr] Compiling webpki-roots v0.19.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling tokio-rustls v0.13.1 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling pin-project-internal v0.4.17 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling ffi_helpers v0.2.0 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Compiling dart-bindgen v0.1.7 [INFO] [stderr] Compiling pin-project v0.4.17 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling h2 v0.2.5 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling hyper v0.13.6 [INFO] [stderr] Compiling hyper-rustls v0.20.0 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling serde_json v1.0.52 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling reqwest v0.10.6 [INFO] [stderr] Compiling 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-a893566ac576a40f/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: ReadOnlyFilesystem, message: "Read-only file system" })', native/adder-ffi/build.rs:33:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5597f1e3e96c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x5597f1e3e96c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5597f1e3e96c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5597f1e3e96c - ::fmt::h82b0e3aaf8a96140 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5597f1e644dc - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x5597f1e3b015 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x5597f1e40720 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5597f1e40720 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5597f1e40720 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x5597f1e402cb - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x5597f1e40df9 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:610:17 [INFO] [stderr] 11: 0x5597f1e408b0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x5597f1e3ee24 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x5597f1e40819 - rust_begin_unwind [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x5597f190c611 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stderr] 15: 0x5597f190c703 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x5597f19536df - core::result::Result::unwrap::hfe405c31c5c3d3fd [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x5597f1931bc2 - build_script_build::main::hac117d5a56794290 [INFO] [stderr] at /opt/rustwide/workdir/native/adder-ffi/build.rs:31:5 [INFO] [stderr] 18: 0x5597f1952a6b - core::ops::function::FnOnce::call_once::h2ae155f1eeba2094 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5597f1929b1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbe2a9c7c38a2f361 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 20: 0x5597f1929bb1 - std::rt::lang_start::{{closure}}::h642480814006333e [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:145:18 [INFO] [stderr] 21: 0x5597f1e3e1b1 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5597f1e3e1b1 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stderr] 23: 0x5597f1e3e1b1 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stderr] 24: 0x5597f1e3e1b1 - std::panic::catch_unwind::hab40227675186980 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x5597f1e3e1b1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stderr] 26: 0x5597f1e3e1b1 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stderr] 27: 0x5597f1e3e1b1 - std::panicking::try::h32d4e72fd8922bce [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stderr] 28: 0x5597f1e3e1b1 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x5597f1e3e1b1 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stderr] 30: 0x5597f1929b80 - std::rt::lang_start::ha9a89b11d772f6a2 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:144:17 [INFO] [stderr] 31: 0x5597f1931c7c - main [INFO] [stderr] 32: 0x7f2891e830b3 - __libc_start_main [INFO] [stderr] 33: 0x5597f190cdce - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "02a7aa8fe84dcc132fa415d5b7ae9413e3697b29ef5cdc2b1a36f77d47a05e50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02a7aa8fe84dcc132fa415d5b7ae9413e3697b29ef5cdc2b1a36f77d47a05e50", kill_on_drop: false }` [INFO] [stdout] 02a7aa8fe84dcc132fa415d5b7ae9413e3697b29ef5cdc2b1a36f77d47a05e50