[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] 56ba0e9603607c0e9dcc79c1511a93150c342911 [INFO] checking shekohex/flutterust against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekohex%2Fflutterust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shekohex/flutterust on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-0/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1cc8aa90b19e2deb4e7571d0e3fd4ccc037cd1b80106c1a0827ecc7e55cfbf41 [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" "1cc8aa90b19e2deb4e7571d0e3fd4ccc037cd1b80106c1a0827ecc7e55cfbf41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1cc8aa90b19e2deb4e7571d0e3fd4ccc037cd1b80106c1a0827ecc7e55cfbf41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cc8aa90b19e2deb4e7571d0e3fd4ccc037cd1b80106c1a0827ecc7e55cfbf41", kill_on_drop: false }` [INFO] [stdout] 1cc8aa90b19e2deb4e7571d0e3fd4ccc037cd1b80106c1a0827ecc7e55cfbf41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a495bac9cd45ea2d422f669df6db148c150078091e661f57015f7e270026e136 [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" "a495bac9cd45ea2d422f669df6db148c150078091e661f57015f7e270026e136", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling cbindgen v0.14.3 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking gimli v0.21.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [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 ring v0.16.14 [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] Checking futures-task v0.3.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling clang v0.24.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking webpki v0.21.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking addr2line v0.12.1 [INFO] [stderr] Checking backtrace v0.3.48 [INFO] [stderr] Checking rustls v0.17.0 [INFO] [stderr] Checking webpki-roots v0.19.0 [INFO] [stderr] Compiling tempfile v3.1.0 [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] Checking ffi_helpers v0.2.0 [INFO] [stderr] Compiling thiserror v1.0.20 [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] Compiling toml v0.5.6 [INFO] [stderr] Compiling serde_json v1.0.52 [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 scrap-ffi v0.1.0 (/opt/rustwide/workdir/native/scrap-ffi) [INFO] [stderr] Compiling adder-ffi v0.1.0 (/opt/rustwide/workdir/native/adder-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-56d5024745089129/build-script-build` (exit code: 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: 0x55c99859e2c0 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55c99859e2c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55c99859e2c0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55c99859e2c0 - ::fmt::hd8c307a38b9bab04 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55c9985c234c - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x55c99859ac52 - std::io::Write::write_fmt::hab90295d5a0f197d [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x55c9985a0905 - std::sys_common::backtrace::_print::h19224910b8700cf1 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55c9985a0905 - std::sys_common::backtrace::print::h25dedfa68c5fb84a [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55c9985a0905 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55c9985a03b3 - std::panicking::default_hook::he65cee71c4209f0c [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55c9985a10c6 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:595:17 [INFO] [stderr] 11: 0x55c9985a0be7 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55c99859e75c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55c9985a0b49 - rust_begin_unwind [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55c9985c0341 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55c9985c0163 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/option.rs:1300:5 [INFO] [stderr] 16: 0x55c998042099 - core::result::Result::unwrap::h1aa451db1306f980 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55c99801d091 - build_script_build::main::h5bf24ff668eb26ba [INFO] [stderr] at /opt/rustwide/workdir/native/adder-ffi/build.rs:31:5 [INFO] [stderr] 18: 0x55c99801929b - core::ops::function::FnOnce::call_once::hafc3d12a82a463a9 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55c998018bae - std::sys_common::backtrace::__rust_begin_short_backtrace::hf365aee9957a4375 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55c9980174a1 - std::rt::lang_start::{{closure}}::hdc57831190d769b3 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55c9985a15b7 - core::ops::function::impls:: for &F>::call_once::h2c4fd7d4128112a8 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55c9985a15b7 - std::panicking::try::do_call::h41fb7dbbbe7bece6 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55c9985a15b7 - std::panicking::try::hd38008ccba72bce1 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55c9985a15b7 - std::panic::catch_unwind::h057e765cd60f2d13 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55c9985a15b7 - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55c998017477 - std::rt::lang_start::h2ea853ba5dbe9c97 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55c99801d27a - main [INFO] [stderr] 28: 0x7ff91822c0b3 - __libc_start_main [INFO] [stderr] 29: 0x55c997ff90de - _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" "a495bac9cd45ea2d422f669df6db148c150078091e661f57015f7e270026e136", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a495bac9cd45ea2d422f669df6db148c150078091e661f57015f7e270026e136", kill_on_drop: false }` [INFO] [stdout] a495bac9cd45ea2d422f669df6db148c150078091e661f57015f7e270026e136