[INFO] fetching crate wasmer-c-api 1.0.0-alpha4...
[INFO] documenting wasmer-c-api-1.0.0-alpha4 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate wasmer-c-api 1.0.0-alpha4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasmer-c-api 1.0.0-alpha4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-c-api 1.0.0-alpha4
[INFO] finished tweaking crates.io crate wasmer-c-api 1.0.0-alpha4
[INFO] tweaked toml for crates.io crate wasmer-c-api 1.0.0-alpha4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] 61acbc34742a5bf16826e68cb113fbbc0f9533a5b7e8feb3474d40882a1b7019
[INFO] running `Command { std: "docker" "start" "-a" "61acbc34742a5bf16826e68cb113fbbc0f9533a5b7e8feb3474d40882a1b7019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61acbc34742a5bf16826e68cb113fbbc0f9533a5b7e8feb3474d40882a1b7019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61acbc34742a5bf16826e68cb113fbbc0f9533a5b7e8feb3474d40882a1b7019", kill_on_drop: false }`
[INFO] [stdout] 61acbc34742a5bf16826e68cb113fbbc0f9533a5b7e8feb3474d40882a1b7019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c83a5d61010aaef542e570a7af85adb8e003f6c8e04911002f08caf4d87f96
[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" "95c83a5d61010aaef542e570a7af85adb8e003f6c8e04911002f08caf4d87f96", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.65.0
[INFO] [stderr]    Compiling cbindgen v0.15.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.0-alpha4
[INFO] [stderr]     Checking abort_on_panic v2.0.0
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha4
[INFO] [stderr]     Checking libloading v0.6.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking wast v25.0.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking regalloc v0.0.26
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling typetag-impl v0.1.6
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking inventory v0.1.9
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking wat v1.0.26
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking cranelift-entity v0.65.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking wasmer-types v1.0.0-alpha4
[INFO] [stderr]     Checking cranelift-bforest v0.65.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking enumset v1.0.1
[INFO] [stderr]     Checking typetag v0.1.6
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.65.0
[INFO] [stderr]     Checking wasmer-compiler v1.0.0-alpha4
[INFO] [stderr]     Checking wasmer-engine v1.0.0-alpha4
[INFO] [stderr]     Checking wasmer-object v1.0.0-alpha4
[INFO] [stderr]    Compiling libffi-sys v0.9.1
[INFO] [stderr]     Checking wasmer v1.0.0-alpha4
[INFO] [stderr]     Checking wasmer-engine-native v1.0.0-alpha4
[INFO] [stderr]     Checking wasmer-engine-object-file v1.0.0-alpha4
[INFO] [stderr]     Checking wasmer-engine-jit v1.0.0-alpha4
[INFO] [stderr]     Checking wasmer-wasi v1.0.0-alpha4
[INFO] [stderr]    Compiling wasmer-c-api v1.0.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cranelift-codegen v0.65.0
[INFO] [stderr] error: failed to run custom build command for `wasmer-c-api v1.0.0-alpha4 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/wasmer-c-api-2fd732bedf26e310/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Unable to copy the generated C bindings: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:120:14
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5563ef229190 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5563ef229190 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5563ef229190 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5563ef229190 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5563ef25026c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x5563ef225dd7 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x5563ef22baf0 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5563ef22baf0 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5563ef22baf0 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x5563ef22b83c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x5563ef22c178 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:573
[INFO] [stderr]     11:     0x5563ef22bd29 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x5563ef22961c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5563ef22bce9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x5563ef24e0e1 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x5563ef24df03 - core::option::expect_none_failed::h448b58a024c2c33a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x5563eed328a7 - core::result::Result<T,E>::expect::hc24435fd34614d9f
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/result.rs:933
[INFO] [stderr]     17:     0x5563eed3eadd - build_script_build::build_wasm_c_api_headers::h08342be806e63d52
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:119
[INFO] [stderr]     18:     0x5563eed3e247 - build_script_build::main::h82593f07fec501f0
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:62
[INFO] [stderr]     19:     0x5563eed319eb - core::ops::function::FnOnce::call_once::ha05af3a01a0dd19b
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]     20:     0x5563eed3c3ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h2e211391cf5bf35d
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     21:     0x5563eed31791 - std::rt::lang_start::{{closure}}::h4bf7bc7dff40904c
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:66
[INFO] [stderr]     22:     0x5563ef22c621 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stderr]     23:     0x5563ef22c621 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]     24:     0x5563ef22c621 - std::panicking::try::h6311c259678e50fc
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]     25:     0x5563ef22c621 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]     26:     0x5563ef22c621 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stderr]     27:     0x5563eed31767 - std::rt::lang_start::h50021af09685969e
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:65
[INFO] [stderr]     28:     0x5563eed4131a - main
[INFO] [stderr]     29:     0x7f2d6037e0b3 - __libc_start_main
[INFO] [stderr]     30:     0x5563eed0c0de - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "95c83a5d61010aaef542e570a7af85adb8e003f6c8e04911002f08caf4d87f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c83a5d61010aaef542e570a7af85adb8e003f6c8e04911002f08caf4d87f96", kill_on_drop: false }`
[INFO] [stdout] 95c83a5d61010aaef542e570a7af85adb8e003f6c8e04911002f08caf4d87f96
