[INFO] cloning repository https://github.com/dvc94ch/rust-c-wasm-lib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dvc94ch/rust-c-wasm-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Frust-c-wasm-lib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Frust-c-wasm-lib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 34d86a17a78574fea6f001cd6ba167f7d7e7cbf6 [INFO] checking dvc94ch/rust-c-wasm-lib against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Frust-c-wasm-lib" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dvc94ch/rust-c-wasm-lib on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dvc94ch/rust-c-wasm-lib [INFO] finished tweaking git repo https://github.com/dvc94ch/rust-c-wasm-lib [INFO] tweaked toml for git repo https://github.com/dvc94ch/rust-c-wasm-lib written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/dvc94ch/rust-c-wasm-lib already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.89 [INFO] [stderr] Downloaded bumpalo v2.2.1 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.39 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.39 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.39 [INFO] [stderr] Downloaded syn v0.15.29 [INFO] [stderr] Downloaded cbindgen v0.8.2 [INFO] [stderr] Downloaded wasm-bindgen v0.2.39 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7213ea105be50c0aeebc90af8a9db5baa172ef476eae90c338865ef007056d4e [INFO] running `Command { std: "docker" "start" "-a" "7213ea105be50c0aeebc90af8a9db5baa172ef476eae90c338865ef007056d4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7213ea105be50c0aeebc90af8a9db5baa172ef476eae90c338865ef007056d4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7213ea105be50c0aeebc90af8a9db5baa172ef476eae90c338865ef007056d4e", kill_on_drop: false }` [INFO] [stdout] 7213ea105be50c0aeebc90af8a9db5baa172ef476eae90c338865ef007056d4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 69cf678916194c4f71663bad63d0aed1deb1567aafb1d02993ad8fe12aac6235 [INFO] running `Command { std: "docker" "start" "-a" "69cf678916194c4f71663bad63d0aed1deb1567aafb1d02993ad8fe12aac6235", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.39 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling bumpalo v2.2.1 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.39 [INFO] [stderr] Checking fib v0.1.0 (/opt/rustwide/workdir/fib) [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling tempfile v3.0.7 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.39 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.39 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.39 [INFO] [stderr] Checking fib_wasm v0.1.0 (/opt/rustwide/workdir/fib_wasm) [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling cbindgen v0.8.2 [INFO] [stderr] Compiling fib_c v0.1.0 (/opt/rustwide/workdir/fib_c) [INFO] [stderr] error: failed to run custom build command for `fib_c v0.1.0 (/opt/rustwide/workdir/fib_c)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/fib_c-7fd0ad4fdb36064e/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: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.8.2/src/bindgen/bindings.rs:66:43 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x564851010d30 - std::backtrace_rs::backtrace::libunwind::trace::hfa838fc631229987 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x564851010d30 - std::backtrace_rs::backtrace::trace_unsynchronized::h93a23e36ec026219 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x564851010d30 - std::sys_common::backtrace::_print_fmt::hba56c7f796a4152f [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x564851010d30 - ::fmt::h214637f1e26310e1 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x564851035d4c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x56485100e375 - std::io::Write::write_fmt::heb07fc0616bbd06d [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/io/mod.rs:1588:15 [INFO] [stderr] 6: 0x56485101345b - std::sys_common::backtrace::_print::h2c2441c37e894fb5 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x56485101345b - std::sys_common::backtrace::print::h4fb679ac439362ea [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x56485101345b - std::panicking::default_hook::{{closure}}::h56bbadec2356e5d2 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x564851012f31 - std::panicking::default_hook::hb25822b45f6fdc4e [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x564851013b49 - std::panicking::rust_panic_with_hook::h4da5578e7277d2d4 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:626:17 [INFO] [stderr] 11: 0x564851013607 - std::panicking::begin_panic_handler::{{closure}}::h003783ddb3cba4e8 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x56485101120c - std::sys_common::backtrace::__rust_end_short_backtrace::hd138d2032731ed21 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x564851013569 - rust_begin_unwind [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x564850bac2c1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x564850bac3b3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x564850bdebee - core::result::Result::unwrap::h58b1fa91772d0a38 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x564850bd27c5 - cbindgen::bindgen::bindings::Bindings::write_to_file::he9a8764af95c4943 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.8.2/src/bindgen/bindings.rs:66:24 [INFO] [stderr] 18: 0x564850bc4eae - build_script_build::main::h95700f43b08753c0 [INFO] [stderr] at /opt/rustwide/workdir/fib_c/build.rs:9:5 [INFO] [stderr] 19: 0x564850bdc10b - core::ops::function::FnOnce::call_once::h2cd491f1ae2d450f [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x564850bbd4fe - std::sys_common::backtrace::__rust_begin_short_backtrace::hfb0cb1d55b82d604 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x564850bdc0c1 - std::rt::lang_start::{{closure}}::h23c7be4281427cb8 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:49:18 [INFO] [stderr] 22: 0x564851014129 - core::ops::function::impls:: for &F>::call_once::hd933294140eb11aa [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x564851014129 - std::panicking::try::do_call::h8342fe3d9218b807 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:401:40 [INFO] [stderr] 24: 0x564851014129 - std::panicking::try::hcbd73d6d0d58a8f0 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:365:19 [INFO] [stderr] 25: 0x564851014129 - std::panic::catch_unwind::hde9cf73f810acfcc [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panic.rs:434:14 [INFO] [stderr] 26: 0x564851014129 - std::rt::lang_start_internal::heb39e7ea6e5d6f6f [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:34:21 [INFO] [stderr] 27: 0x564850bdc0a0 - std::rt::lang_start::h49adf094122a4cb5 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:48:5 [INFO] [stderr] 28: 0x564850bc50bc - main [INFO] [stderr] 29: 0x7fca975f40b3 - __libc_start_main [INFO] [stderr] 30: 0x564850baca7e - _start [INFO] [stderr] 31: 0x0 - [INFO] running `Command { std: "docker" "inspect" "69cf678916194c4f71663bad63d0aed1deb1567aafb1d02993ad8fe12aac6235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69cf678916194c4f71663bad63d0aed1deb1567aafb1d02993ad8fe12aac6235", kill_on_drop: false }` [INFO] [stdout] 69cf678916194c4f71663bad63d0aed1deb1567aafb1d02993ad8fe12aac6235