[INFO] fetching crate simavr-sys 1.5.9...
[INFO] testing simavr-sys-1.5.9 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate simavr-sys 1.5.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simavr-sys 1.5.9 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simavr-sys 1.5.9
[INFO] finished tweaking crates.io crate simavr-sys 1.5.9
[INFO] tweaked toml for crates.io crate simavr-sys 1.5.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 707b200d1e4432b8fec1ad57edbf998b81c85cda98b5fcae82595d1f94d46415
[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" "707b200d1e4432b8fec1ad57edbf998b81c85cda98b5fcae82595d1f94d46415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "707b200d1e4432b8fec1ad57edbf998b81c85cda98b5fcae82595d1f94d46415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707b200d1e4432b8fec1ad57edbf998b81c85cda98b5fcae82595d1f94d46415", kill_on_drop: false }`
[INFO] [stdout] 707b200d1e4432b8fec1ad57edbf998b81c85cda98b5fcae82595d1f94d46415
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] 370c59a361666e57a50444f2974230431c1287b035d2b5c95a1062a49999e131
[INFO] running `Command { std: "docker" "start" "-a" "370c59a361666e57a50444f2974230431c1287b035d2b5c95a1062a49999e131", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bindgen v0.32.3
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling simavr-sys v1.5.9 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `simavr-sys v1.5.9 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/simavr-sys-aea74510465b6014/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'could not write bindings to file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:57:14
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b8b09e0ae0 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55b8b09e0ae0 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b8b09e0ae0 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55b8b09e0ae0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55b8b0a0543c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x55b8b09dd6d5 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x55b8b09e2c6b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55b8b09e2c6b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55b8b09e2c6b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55b8b09e2741 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55b8b09e3334 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55b8b09e2e17 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55b8b09e0fdc - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55b8b09e2d79 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55b8b054b891 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55b8b054b983 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x55b8b06c0c99 - core::result::Result<T,E>::expect::hb8855283f18fb08f
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x55b8b054fa65 - build_script_build::main::had08d63ed776ee04
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:56:9
[INFO] [stderr]     18:     0x55b8b054d6cb - core::ops::function::FnOnce::call_once::h38d6632a1581b0e1
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55b8b054e56e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3f93e0c7bb2eafc4
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55b8b054e601 - std::rt::lang_start::{{closure}}::hf3bcf116df9ebf9e
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x55b8b09e383a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcbe5785d54a49ce2
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55b8b09e383a - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x55b8b09e383a - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x55b8b09e383a - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x55b8b09e383a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x55b8b09e383a - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x55b8b09e383a - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x55b8b09e383a - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x55b8b09e383a - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x55b8b054e5d0 - std::rt::lang_start::h8069a961f856ea3c
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x55b8b05506dc - main
[INFO] [stderr]     32:     0x7fbaf4ddb0b3 - __libc_start_main
[INFO] [stderr]     33:     0x55b8b054c08e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "370c59a361666e57a50444f2974230431c1287b035d2b5c95a1062a49999e131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370c59a361666e57a50444f2974230431c1287b035d2b5c95a1062a49999e131", kill_on_drop: false }`
[INFO] [stdout] 370c59a361666e57a50444f2974230431c1287b035d2b5c95a1062a49999e131