[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#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekohex%2Fflutterust" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shekohex/flutterust on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-11/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6e34f536cabdd102f4653379ecd9b8125a005af46394541c921efde52040e25 [INFO] running `Command { std: "docker" "start" "-a" "e6e34f536cabdd102f4653379ecd9b8125a005af46394541c921efde52040e25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6e34f536cabdd102f4653379ecd9b8125a005af46394541c921efde52040e25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6e34f536cabdd102f4653379ecd9b8125a005af46394541c921efde52040e25", kill_on_drop: false }` [INFO] [stdout] e6e34f536cabdd102f4653379ecd9b8125a005af46394541c921efde52040e25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9206c6451971a31ce05282c96ae79e4de34d130c730dc71a2106f966481ffa4e [INFO] running `Command { std: "docker" "start" "-a" "9206c6451971a31ce05282c96ae79e4de34d130c730dc71a2106f966481ffa4e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling pin-project-lite v0.1.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling cbindgen v0.14.3 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling base64 v0.11.0 [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 percent-encoding v2.1.0 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling object v0.19.0 [INFO] [stderr] Compiling base64 v0.12.1 [INFO] [stderr] Compiling adder v0.1.0 (/opt/rustwide/workdir/native/adder) [INFO] [stderr] Compiling allo-isolate v0.1.6 [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling ring v0.16.14 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling iovec v0.1.4 [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 quote v1.0.4 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling clang v0.24.0 [INFO] [stderr] Compiling addr2line v0.12.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling backtrace v0.3.48 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling webpki v0.21.3 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling rustls v0.17.0 [INFO] [stderr] Compiling webpki-roots v0.19.0 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-rustls v0.13.1 [INFO] [stderr] Compiling synstructure v0.12.3 [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 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 hyper v0.13.6 [INFO] [stderr] Compiling serde_json v1.0.52 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling hyper-rustls v0.20.0 [INFO] [stderr] Compiling reqwest v0.10.6 [INFO] [stderr] Compiling 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 `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-02b5f73cde64c943/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/scrap-ffi/build.rs:37:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55fcf1844990 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55fcf1844990 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55fcf1844990 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55fcf1844990 - ::fmt::he312f4ad5b9bb346 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55fcf186a19c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x55fcf1841e25 - std::io::Write::write_fmt::h6aced00850e8186f [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x55fcf1846ebb - std::sys_common::backtrace::_print::h65d996766de40da4 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55fcf1846ebb - std::sys_common::backtrace::print::h40df9727e635f303 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55fcf1846ebb - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55fcf1846991 - std::panicking::default_hook::h3d55120ad6ada158 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55fcf18475a9 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:626:17 [INFO] [stderr] 11: 0x55fcf1847067 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55fcf1844e6c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55fcf1846fc9 - rust_begin_unwind [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55fcf130c741 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55fcf130c833 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/result.rs:1599:5 [INFO] [stderr] 16: 0x55fcf1328a30 - core::result::Result::unwrap::h6f27a9abd71f8ab6 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/result.rs:1281:23 [INFO] [stderr] 17: 0x55fcf132a48c - build_script_build::main::he0bb2d8d98fc68e4 [INFO] [stderr] at /opt/rustwide/workdir/native/scrap-ffi/build.rs:35:5 [INFO] [stderr] 18: 0x55fcf1327dcb - core::ops::function::FnOnce::call_once::h3554337d7f83364a [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55fcf132b12e - std::sys_common::backtrace::__rust_begin_short_backtrace::he7c2f98168ed5339 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55fcf132b1c1 - std::rt::lang_start::{{closure}}::h6e8d041afe93aee7 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:63:18 [INFO] [stderr] 21: 0x55fcf1847b8a - core::ops::function::impls:: for &F>::call_once::h5a0483c8d4e9c15d [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55fcf1847b8a - std::panicking::try::do_call::h6ad7918f175f6ddd [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55fcf1847b8a - std::panicking::try::hcd5af58f52320690 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55fcf1847b8a - std::panic::catch_unwind::hf1ae33ba67228f1e [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x55fcf1847b8a - std::rt::lang_start_internal::{{closure}}::h4a87bc0aa1312dc5 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:45:48 [INFO] [stderr] 26: 0x55fcf1847b8a - std::panicking::try::do_call::h1ade2a52932fc900 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:401:40 [INFO] [stderr] 27: 0x55fcf1847b8a - std::panicking::try::h6f4a87ad169e174b [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panicking.rs:365:19 [INFO] [stderr] 28: 0x55fcf1847b8a - std::panic::catch_unwind::h043c7f08019f9e2a [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/panic.rs:434:14 [INFO] [stderr] 29: 0x55fcf1847b8a - std::rt::lang_start_internal::h82825699ebfd70bd [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:45:20 [INFO] [stderr] 30: 0x55fcf132b190 - std::rt::lang_start::h155ff8c2703ee5f8 [INFO] [stderr] at /rustc/b70888601af92f6cdc0364abab3446e418b91d36/library/std/src/rt.rs:62:5 [INFO] [stderr] 31: 0x55fcf132a73c - main [INFO] [stderr] 32: 0x7fc19caa70b3 - __libc_start_main [INFO] [stderr] 33: 0x55fcf130cf3e - _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" "9206c6451971a31ce05282c96ae79e4de34d130c730dc71a2106f966481ffa4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9206c6451971a31ce05282c96ae79e4de34d130c730dc71a2106f966481ffa4e", kill_on_drop: false }` [INFO] [stdout] 9206c6451971a31ce05282c96ae79e4de34d130c730dc71a2106f966481ffa4e