[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#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekohex%2Fflutterust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shekohex/flutterust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-6/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f73123373c931007c977696199356e9c4698887496cd17dff1f351b9635bf10c [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" "f73123373c931007c977696199356e9c4698887496cd17dff1f351b9635bf10c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f73123373c931007c977696199356e9c4698887496cd17dff1f351b9635bf10c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f73123373c931007c977696199356e9c4698887496cd17dff1f351b9635bf10c", kill_on_drop: false }` [INFO] [stdout] f73123373c931007c977696199356e9c4698887496cd17dff1f351b9635bf10c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 433bf1a7b790437ee76aba3e633b1152ff09d6110014041545bdad9b44c59f3b [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" "433bf1a7b790437ee76aba3e633b1152ff09d6110014041545bdad9b44c59f3b", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling cbindgen v0.14.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking adder v0.1.0 (/opt/rustwide/workdir/native/adder) [INFO] [stderr] Checking allo-isolate v0.1.6 [INFO] [stderr] Compiling ring v0.16.14 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking backtrace v0.3.48 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [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 synstructure v0.12.3 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling clang v0.24.0 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Compiling dart-bindgen v0.1.7 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking webpki v0.21.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking pin-project v0.4.17 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking ffi_helpers v0.2.0 [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 serde_urlencoded v0.6.1 [INFO] [stderr] Compiling serde_json v1.0.52 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Checking tokio-rustls v0.13.1 [INFO] [stderr] Checking h2 v0.2.5 [INFO] [stderr] Checking hyper v0.13.6 [INFO] [stderr] Checking hyper-rustls v0.20.0 [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 `scrap-ffi v0.1.0 (/opt/rustwide/workdir/native/scrap-ffi)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/scrap-ffi-036d9da22851c482/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/scrap-ffi/build.rs:37:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b96de5f380 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55b96de5f380 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55b96de5f380 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55b96de5f380 - ::fmt::h7b3d6cac46d277e1 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55b96de81a8f - core::fmt::write::h127419eb46f2ecc9 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55b96de5c685 - std::io::Write::write_fmt::h6010cfbb4726588b [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/io/mod.rs:1578:15 [INFO] [stderr] 6: 0x55b96de617db - std::sys_common::backtrace::_print::h79b4f9652330cc9d [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55b96de617db - std::sys_common::backtrace::print::h330bb326a76af8cf [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55b96de617db - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55b96de612a3 - std::panicking::default_hook::h17e521ba6d68d6e1 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55b96de61db0 - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:595:17 [INFO] [stderr] 11: 0x55b96de61987 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55b96de5f83c - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55b96de618e9 - rust_begin_unwind [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55b96d911861 - core::panicking::panic_fmt::h5322a082d19786c3 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55b96d911953 - core::result::unwrap_failed::hbee7d9f7831678f0 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55b96d92c347 - core::result::Result::unwrap::h54fb286a55862794 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55b96d954771 - build_script_build::main::hf3a368d602d974d9 [INFO] [stderr] at /opt/rustwide/workdir/native/scrap-ffi/build.rs:35:5 [INFO] [stderr] 18: 0x55b96d9329eb - core::ops::function::FnOnce::call_once::ha043082332e81637 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55b96d933ede - std::sys_common::backtrace::__rust_begin_short_backtrace::hf458a3091bfadeb2 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55b96d92bf91 - std::rt::lang_start::{{closure}}::h85310fa6b1724588 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55b96de6228a - core::ops::function::impls:: for &F>::call_once::hbcc915e668c7ca11 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55b96de6228a - std::panicking::try::do_call::h6b0f430d48122ddf [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55b96de6228a - std::panicking::try::h6ba420e2e21b5afa [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55b96de6228a - std::panic::catch_unwind::h8366719d1f615eee [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55b96de6228a - std::rt::lang_start_internal::h965c28c9ce06ee73 [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55b96d92bf70 - std::rt::lang_start::h71354c7c3b1727af [INFO] [stderr] at /rustc/3aedcf06b73fc36feeebca3d579e1d2a6c40acc5/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55b96d954b6c - main [INFO] [stderr] 28: 0x7f06e92bd0b3 - __libc_start_main [INFO] [stderr] 29: 0x55b96d911ffe - _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" "433bf1a7b790437ee76aba3e633b1152ff09d6110014041545bdad9b44c59f3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "433bf1a7b790437ee76aba3e633b1152ff09d6110014041545bdad9b44c59f3b", kill_on_drop: false }` [INFO] [stdout] 433bf1a7b790437ee76aba3e633b1152ff09d6110014041545bdad9b44c59f3b