[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#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Frust-c-wasm-lib" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dvc94ch/rust-c-wasm-lib on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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-3/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0629cc77db6b34121403708b5f0d25035886cfdafc4b9f36c5f0c7a29b514113 [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" "0629cc77db6b34121403708b5f0d25035886cfdafc4b9f36c5f0c7a29b514113", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0629cc77db6b34121403708b5f0d25035886cfdafc4b9f36c5f0c7a29b514113", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0629cc77db6b34121403708b5f0d25035886cfdafc4b9f36c5f0c7a29b514113", kill_on_drop: false }` [INFO] [stdout] 0629cc77db6b34121403708b5f0d25035886cfdafc4b9f36c5f0c7a29b514113 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cf7d428e25f134303698ba0e0a7de2dc615dfdec25a994cff07042725f9818f6 [INFO] running `Command { std: "docker" "start" "-a" "cf7d428e25f134303698ba0e0a7de2dc615dfdec25a994cff07042725f9818f6", kill_on_drop: false }` [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 unicode-width v0.1.5 [INFO] [stderr] Compiling bumpalo v2.2.1 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.39 [INFO] [stderr] Checking fib v0.1.0 (/opt/rustwide/workdir/fib) [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling textwrap v0.10.0 [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-282ceaa01b9c5bef/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: 0x562b7eb576e0 - std::backtrace_rs::backtrace::libunwind::trace::h247d9dc800afe0ad [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x562b7eb576e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h9a4153306adf486c [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x562b7eb576e0 - std::sys_common::backtrace::_print_fmt::h1ac8daa5000ee24c [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x562b7eb576e0 - ::fmt::h22a8e55d2cc5363a [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x562b7eb7cbff - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x562b7eb54c75 - std::io::Write::write_fmt::h441a47830651073b [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/io/mod.rs:1580:15 [INFO] [stderr] 6: 0x562b7eb59d0b - std::sys_common::backtrace::_print::hd1e0ee1c195f9f05 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x562b7eb59d0b - std::sys_common::backtrace::print::h7d1098def5c25d20 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x562b7eb59d0b - std::panicking::default_hook::{{closure}}::h484b8b15967e42c8 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x562b7eb597ed - std::panicking::default_hook::h82c79ca49716b79d [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x562b7eb5a2e0 - std::panicking::rust_panic_with_hook::h6df253a3c973d6b6 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:595:17 [INFO] [stderr] 11: 0x562b7eb59eb7 - std::panicking::begin_panic_handler::{{closure}}::hc6a4120674935ea3 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x562b7eb57b9c - std::sys_common::backtrace::__rust_end_short_backtrace::h9b5f057c8351b0b1 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x562b7eb59e19 - rust_begin_unwind [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x562b7e70b261 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x562b7e70b353 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x562b7e71a1fa - core::result::Result::unwrap::h543183e59972a338 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x562b7e730791 - cbindgen::bindgen::bindings::Bindings::write_to_file::h4cb162d1eebee812 [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: 0x562b7e71f815 - build_script_build::main::h902414c9d39929d3 [INFO] [stderr] at /opt/rustwide/workdir/fib_c/build.rs:9:5 [INFO] [stderr] 19: 0x562b7e71c43b - core::ops::function::FnOnce::call_once::h3691885cf29ae0f0 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x562b7e71c19e - std::sys_common::backtrace::__rust_begin_short_backtrace::ha7a6073ac78c13af [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x562b7e738071 - std::rt::lang_start::{{closure}}::h51f0661d43790db3 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/rt.rs:66:18 [INFO] [stderr] 22: 0x562b7eb5a7ba - core::ops::function::impls:: for &F>::call_once::h98fbc5823393ca6f [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x562b7eb5a7ba - std::panicking::try::do_call::h210d0709dd1d5fd6 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:379:40 [INFO] [stderr] 24: 0x562b7eb5a7ba - std::panicking::try::hc60c2c01c5cf7473 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panicking.rs:343:19 [INFO] [stderr] 25: 0x562b7eb5a7ba - std::panic::catch_unwind::h7480a56877b30ca9 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/panic.rs:431:14 [INFO] [stderr] 26: 0x562b7eb5a7ba - std::rt::lang_start_internal::he77194431b0ee4a2 [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/rt.rs:51:25 [INFO] [stderr] 27: 0x562b7e738050 - std::rt::lang_start::h8a9f37668419774c [INFO] [stderr] at /rustc/a836d9b6413d9d593be6c09463ff8c4c70e56599/library/std/src/rt.rs:65:5 [INFO] [stderr] 28: 0x562b7e71fa7c - main [INFO] [stderr] 29: 0x7ff58b92a0b3 - __libc_start_main [INFO] [stderr] 30: 0x562b7e70b9be - _start [INFO] [stderr] 31: 0x0 - [INFO] running `Command { std: "docker" "inspect" "cf7d428e25f134303698ba0e0a7de2dc615dfdec25a994cff07042725f9818f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf7d428e25f134303698ba0e0a7de2dc615dfdec25a994cff07042725f9818f6", kill_on_drop: false }` [INFO] [stdout] cf7d428e25f134303698ba0e0a7de2dc615dfdec25a994cff07042725f9818f6