[INFO] fetching crate rbotlib 0.0.2...
[INFO] checking rbotlib-0.0.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate rbotlib 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rbotlib 0.0.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate rbotlib 0.0.2
[INFO] finished tweaking crates.io crate rbotlib 0.0.2
[INFO] tweaked toml for crates.io crate rbotlib 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 64089568bebc8bfb555ba3b1226e6db00ebf5b2c6add4a89916f0cc4cebbf9c5
[INFO] running `Command { std: "docker" "start" "-a" "64089568bebc8bfb555ba3b1226e6db00ebf5b2c6add4a89916f0cc4cebbf9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64089568bebc8bfb555ba3b1226e6db00ebf5b2c6add4a89916f0cc4cebbf9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64089568bebc8bfb555ba3b1226e6db00ebf5b2c6add4a89916f0cc4cebbf9c5", kill_on_drop: false }`
[INFO] [stdout] 64089568bebc8bfb555ba3b1226e6db00ebf5b2c6add4a89916f0cc4cebbf9c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35f88773db34019484f3b41f4125c2ab5cbc6072ff092444422dceeab325b6c5
[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" "35f88773db34019484f3b41f4125c2ab5cbc6072ff092444422dceeab325b6c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling rbotlib v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stdout] warning: function is never used: `rbot_dir`
[INFO] [stdout]  --> build.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn rbot_dir() -> PathBuf {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling rbothal v0.0.2
[INFO] [stderr] error: failed to run custom build command for `rbothal v0.0.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rbothal-b1dda9aa48903552/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   bindgen_args: ["/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rbothal-0.0.2/HAL_wrapper.h", "--rust-target", "1.33", "--default-enum-style=", "moduleconsts", "--with-derive-default", "--generate", "functions,types,vars,methods,constructors,destructors", "--whitelist-function", "HAL_\\w+", "--whitelist-type", "HAL_\\w+", "--whitelist-type", "HALUsageReporting::.*", "--whitelist-var", "HAL_\\w+", "--", "-I/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rbothal-0.0.2/headers", "-nostdinc", "-xc++", "-nostdinc++", "-std=c++14"]
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Could not write bindings to file.: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rbothal-0.0.2/build.rs:37:63
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5628d97dc6c0 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5628d97dc6c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5628d97dc6c0 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5628d97dc6c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he40bcdde3c4491cd
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5628d980135f - core::fmt::write::h2c729149c08098ab
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x5628d97d9845 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/io/mod.rs:1580:15
[INFO] [stderr]      6:     0x5628d97de6fb - std::sys_common::backtrace::_print::h7f0223b1e3d898fc
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5628d97de6fb - std::sys_common::backtrace::print::h58edd634a14c2d4c
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5628d97de6fb - std::panicking::default_hook::{{closure}}::h71657a7591430164
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5628d97de1dd - std::panicking::default_hook::hcdf4eb5db072c85b
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5628d97decad - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5628d97de8a7 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x5628d97dcb5c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5628d97de809 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5628d92f8651 - core::panicking::panic_fmt::he3827412471ccbb1
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5628d92f8743 - core::result::unwrap_failed::h6e66654d198da7bd
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x5628d9370ff0 - core::result::Result<T,E>::expect::hf78dedc1c8871292
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x5628d92fcb23 - build_script_build::generate_bindings::h62daf03c846b4a97
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rbothal-0.0.2/build.rs:37:5
[INFO] [stderr]     18:     0x5628d92fc2f9 - build_script_build::main::h65d517b5c1f0ab92
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rbothal-0.0.2/build.rs:10:5
[INFO] [stderr]     19:     0x5628d92fa8bb - core::ops::function::FnOnce::call_once::h9a543c5293d8af44
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5628d92fa7ee - std::sys_common::backtrace::__rust_begin_short_backtrace::hc911887e3556ed75
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5628d92f9b21 - std::rt::lang_start::{{closure}}::h51179672bab07a58
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x5628d97df0aa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd5953dadf0bc8f54
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5628d97df0aa - std::panicking::try::do_call::h23b369f1996fb7d4
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x5628d97df0aa - std::panicking::try::he017ee9ed6bce192
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x5628d97df0aa - std::panic::catch_unwind::hbfb892340a78b30d
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x5628d97df0aa - std::rt::lang_start_internal::hce6e4c0ce56abb51
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x5628d92f9b00 - std::rt::lang_start::h016ef714e1a36bfd
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x5628d92fd1ec - main
[INFO] [stderr]     29:     0x7fdba60c70b3 - __libc_start_main
[INFO] [stderr]     30:     0x5628d92f8dee - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "35f88773db34019484f3b41f4125c2ab5cbc6072ff092444422dceeab325b6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f88773db34019484f3b41f4125c2ab5cbc6072ff092444422dceeab325b6c5", kill_on_drop: false }`
[INFO] [stdout] 35f88773db34019484f3b41f4125c2ab5cbc6072ff092444422dceeab325b6c5