[INFO] cloning repository https://github.com/herwigstuetz/downloader [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/herwigstuetz/downloader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherwigstuetz%2Fdownloader", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherwigstuetz%2Fdownloader'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 513432113a137082fc25b07f79474278e224f25b [INFO] testing herwigstuetz/downloader against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherwigstuetz%2Fdownloader" "/workspace/builds/worker-109/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/herwigstuetz/downloader 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/herwigstuetz/downloader [INFO] finished tweaking git repo https://github.com/herwigstuetz/downloader [INFO] tweaked toml for git repo https://github.com/herwigstuetz/downloader written to /workspace/builds/worker-109/source/Cargo.toml [INFO] crate git repo https://github.com/herwigstuetz/downloader 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] a5e7103782814fd6345d03e6c2c52ca3a2754c4073a03d77c81473ab6b1c7722 [INFO] running `Command { std: "docker" "start" "-a" "a5e7103782814fd6345d03e6c2c52ca3a2754c4073a03d77c81473ab6b1c7722", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5e7103782814fd6345d03e6c2c52ca3a2754c4073a03d77c81473ab6b1c7722", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5e7103782814fd6345d03e6c2c52ca3a2754c4073a03d77c81473ab6b1c7722", kill_on_drop: false }` [INFO] [stdout] a5e7103782814fd6345d03e6c2c52ca3a2754c4073a03d77c81473ab6b1c7722 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 458078462d4cca7c409b9541c770a5b10afec594353d0e484095c197fa278194 [INFO] running `Command { std: "docker" "start" "-a" "458078462d4cca7c409b9541c770a5b10afec594353d0e484095c197fa278194", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling openssl v0.10.31 [INFO] [stderr] Compiling native-tls v0.2.6 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling futures-io v0.3.8 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling cbindgen v0.15.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling encoding_rs v0.8.26 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling ipnet v2.3.0 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.2.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling socket2 v0.3.18 [INFO] [stderr] Compiling tracing v0.1.22 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling tinyvec v1.1.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling tokio v0.2.24 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling unicode-normalization v0.1.16 [INFO] [stderr] Compiling openssl-sys v0.9.59 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling pin-project v0.4.27 [INFO] [stderr] Compiling tracing-futures v0.2.4 [INFO] [stderr] Compiling pin-project v1.0.2 [INFO] [stderr] Compiling futures-util v0.3.8 [INFO] [stderr] Compiling tokio-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.2.7 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling hyper v0.13.9 [INFO] [stderr] Compiling hyper-tls v0.4.3 [INFO] [stderr] Compiling reqwest v0.10.10 [INFO] [stderr] Compiling downloader v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `downloader v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/downloader-c8584dcf3a037e71/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.15.0/src/bindgen/bindings.rs:99:44 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55fc43370e7c - 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: 0x55fc43370e7c - 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: 0x55fc43370e7c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55fc43370e7c - ::fmt::h82b0e3aaf8a96140 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55fc433969cc - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x55fc4336d525 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x55fc43372c30 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55fc43372c30 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55fc43372c30 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x55fc433727db - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x55fc43373309 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:610:17 [INFO] [stderr] 11: 0x55fc43372dc0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x55fc43371334 - 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: 0x55fc43372d29 - rust_begin_unwind [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x55fc42ec7611 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stderr] 15: 0x55fc42ec7703 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x55fc42eefb36 - core::result::Result::unwrap::h63b64165dacc6ed1 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x55fc42f0b5cd - cbindgen::bindgen::bindings::Bindings::write_to_file::hcfc94e017dcfac09 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.15.0/src/bindgen/bindings.rs:99:17 [INFO] [stderr] 18: 0x55fc42f116cc - build_script_build::main::h3fa9279f68f5f627 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:10:5 [INFO] [stderr] 19: 0x55fc42f0e82b - core::ops::function::FnOnce::call_once::h5df9d19a410ff36a [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x55fc42f0e6ee - std::sys_common::backtrace::__rust_begin_short_backtrace::hcba684ab547b84df [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 21: 0x55fc42eef1a1 - std::rt::lang_start::{{closure}}::h1290519162bc9b1c [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:145:18 [INFO] [stderr] 22: 0x55fc433706c1 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x55fc433706c1 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stderr] 24: 0x55fc433706c1 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stderr] 25: 0x55fc433706c1 - std::panic::catch_unwind::hab40227675186980 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stderr] 26: 0x55fc433706c1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stderr] 27: 0x55fc433706c1 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stderr] 28: 0x55fc433706c1 - std::panicking::try::h32d4e72fd8922bce [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stderr] 29: 0x55fc433706c1 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stderr] 30: 0x55fc433706c1 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stderr] 31: 0x55fc42eef170 - std::rt::lang_start::h4332e8507bc5656c [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:144:17 [INFO] [stderr] 32: 0x55fc42f1173c - main [INFO] [stderr] 33: 0x7f9d1cdca0b3 - __libc_start_main [INFO] [stderr] 34: 0x55fc42ec7dce - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "458078462d4cca7c409b9541c770a5b10afec594353d0e484095c197fa278194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "458078462d4cca7c409b9541c770a5b10afec594353d0e484095c197fa278194", kill_on_drop: false }` [INFO] [stdout] 458078462d4cca7c409b9541c770a5b10afec594353d0e484095c197fa278194