[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] building dvc94ch/rust-c-wasm-lib against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[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 ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98a2ec7d395712b0e204a4523185736fc6e755b9deed6030e4891542cac1e1e0
[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" "98a2ec7d395712b0e204a4523185736fc6e755b9deed6030e4891542cac1e1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98a2ec7d395712b0e204a4523185736fc6e755b9deed6030e4891542cac1e1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a2ec7d395712b0e204a4523185736fc6e755b9deed6030e4891542cac1e1e0", kill_on_drop: false }`
[INFO] [stdout] 98a2ec7d395712b0e204a4523185736fc6e755b9deed6030e4891542cac1e1e0
[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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ff05a94f5ce43ff67f180f5508e21450b09d9bf0a3ffdb8c9fd2806b3f20755
[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" "9ff05a94f5ce43ff67f180f5508e21450b09d9bf0a3ffdb8c9fd2806b3f20755", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[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 ryu v0.2.7
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.39
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bumpalo v2.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.39
[INFO] [stderr]    Compiling fib v0.1.0 (/opt/rustwide/workdir/fib)
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[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 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]    Compiling fib_wasm v0.1.0 (/opt/rustwide/workdir/fib_wasm)
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.39
[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-21544e628264476d/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:     0x56055fe5ae90 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56055fe5ae90 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56055fe5ae90 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56055fe5ae90 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56055fe8040f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x56055fe58415 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x56055fe5d5bb - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56055fe5d5bb - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56055fe5d5bb - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56055fe5d09d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56055fe5db90 - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:595:17
[INFO] [stderr]     11:     0x56055fe5d767 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x56055fe5b34c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56055fe5d6c9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x56055fa07261 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56055fa07353 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x56055fa366ea - core::result::Result<T,E>::unwrap::h61847941e9533781
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x56055fa2e4a1 - cbindgen::bindgen::bindings::Bindings::write_to_file::h821fd4d9101c87c9
[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:     0x56055fa20a2c - build_script_build::main::h63949998d7ac65f1
[INFO] [stderr]                                  at /opt/rustwide/workdir/fib_c/build.rs:9:5
[INFO] [stderr]     19:     0x56055fa35adb - core::ops::function::FnOnce::call_once::he5f02661c14f9f10
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x56055fa1a23e - std::sys_common::backtrace::__rust_begin_short_backtrace::h7bd9102879b4545f
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x56055fa359e1 - std::rt::lang_start::{{closure}}::h53c57deb7a87d2b3
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x56055fe5e06a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x56055fe5e06a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x56055fe5e06a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x56055fe5e06a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x56055fe5e06a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x56055fa359c0 - std::rt::lang_start::h9418a61fc6b4dbb6
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x56055fa20c8c - main
[INFO] [stderr]     29:     0x7f17d81980b3 - __libc_start_main
[INFO] [stderr]     30:     0x56055fa079be - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9ff05a94f5ce43ff67f180f5508e21450b09d9bf0a3ffdb8c9fd2806b3f20755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff05a94f5ce43ff67f180f5508e21450b09d9bf0a3ffdb8c9fd2806b3f20755", kill_on_drop: false }`
[INFO] [stdout] 9ff05a94f5ce43ff67f180f5508e21450b09d9bf0a3ffdb8c9fd2806b3f20755
