[INFO] cloning repository https://github.com/Vagabond/erl-hextree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vagabond/erl-hextree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagabond%2Ferl-hextree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagabond%2Ferl-hextree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7f4d33b910c3f123a938ba17fa9678694985671
[INFO] checking Vagabond/erl-hextree/d7f4d33b910c3f123a938ba17fa9678694985671 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagabond%2Ferl-hextree" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vagabond/erl-hextree on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Vagabond/erl-hextree
[INFO] finished tweaking git repo https://github.com/Vagabond/erl-hextree
[INFO] tweaked toml for git repo https://github.com/Vagabond/erl-hextree written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Vagabond/erl-hextree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/JayKickliter/HexTree`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustler_sys v2.3.1
[INFO] [stderr]   Downloaded rustler_codegen v0.30.0
[INFO] [stderr]   Downloaded rustler v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77b3291aca8558e10a7b9d820734cd3473cdc2aae0a4de5a0cbbe8510aa2d96c
[INFO] running `Command { std: "docker" "start" "-a" "77b3291aca8558e10a7b9d820734cd3473cdc2aae0a4de5a0cbbe8510aa2d96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77b3291aca8558e10a7b9d820734cd3473cdc2aae0a4de5a0cbbe8510aa2d96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b3291aca8558e10a7b9d820734cd3473cdc2aae0a4de5a0cbbe8510aa2d96c", kill_on_drop: false }`
[INFO] [stdout] 77b3291aca8558e10a7b9d820734cd3473cdc2aae0a4de5a0cbbe8510aa2d96c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1450fb3cc49b5222a4a3274636715f1544389d7fac88e6f7ec2392f612f6df61
[INFO] running `Command { std: "docker" "start" "-a" "1450fb3cc49b5222a4a3274636715f1544389d7fac88e6f7ec2392f612f6df61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling hextree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr] error: failed to run custom build command for `hextree v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/hextree-c5267da7f57e6a26/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=/opt/rustwide/workdir/so-path
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at native/build.rs:36:60:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56ab93d66dda - std::backtrace_rs::backtrace::libunwind::trace::h4a182ed5026c4960
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x56ab93d66dda - std::backtrace_rs::backtrace::trace_unsynchronized::hd36eaf0d0af663ac
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56ab93d66dda - std::sys::backtrace::_print_fmt::h5bc686de8bf76aa3
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x56ab93d66dda - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd8bd9250b5d34cf2
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x56ab93d834d3 - core::fmt::rt::Argument::fmt::h479db8f948910918
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x56ab93d834d3 - core::fmt::write::h8ea7001525e04e92
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/mod.rs:1189:21
[INFO] [stderr]      6:     0x56ab93d642a3 - std::io::Write::write_fmt::h9a3a3a90a20c720b
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/io/mod.rs:1884:15
[INFO] [stderr]      7:     0x56ab93d66c22 - std::sys::backtrace::BacktraceLock::print::h524f4afae71bff25
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x56ab93d67bec - std::panicking::default_hook::{{closure}}::hbf0efdb45c0ec2fa
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x56ab93d67a32 - std::panicking::default_hook::hd8655fd75a36fb4e
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x56ab93d681e7 - std::panicking::rust_panic_with_hook::hfd3e39fd18e5a522
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x56ab93d6807a - std::panicking::begin_panic_handler::{{closure}}::h541106c2fc98c78e
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x56ab93d672b9 - std::sys::backtrace::__rust_end_short_backtrace::hd41b812be983a407
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x56ab93d67d0c - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x56ab93d82720 - core::panicking::panic_fmt::h6d97ef49812eecdc
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/panicking.rs:76:14
[INFO] [stderr]     15:     0x56ab93d82a96 - core::result::unwrap_failed::h15f0d843aaf4c779
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/result.rs:1699:5
[INFO] [stderr]     16:     0x56ab93d462b8 - build_script_build::main::h21f856d0d09df37e
[INFO] [stderr]     17:     0x56ab93d444a3 - core::ops::function::FnOnce::call_once::h841914d5d00e7933
[INFO] [stderr]     18:     0x56ab93d440c6 - std::sys::backtrace::__rust_begin_short_backtrace::h05b37509422c878f
[INFO] [stderr]     19:     0x56ab93d43f49 - std::rt::lang_start::{{closure}}::h74a685e97330ddba
[INFO] [stderr]     20:     0x56ab93d61b67 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h85d3b6433c6201ad
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x56ab93d61b67 - std::panicking::try::do_call::h1e58a303c26811b2
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:557:40
[INFO] [stderr]     22:     0x56ab93d61b67 - std::panicking::try::hf884ee642c4250a3
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:520:19
[INFO] [stderr]     23:     0x56ab93d61b67 - std::panic::catch_unwind::h16d69298af9a3692
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panic.rs:358:14
[INFO] [stderr]     24:     0x56ab93d61b67 - std::rt::lang_start_internal::{{closure}}::h5a8a6f94cdf753a6
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/rt.rs:174:48
[INFO] [stderr]     25:     0x56ab93d61b67 - std::panicking::try::do_call::hf6ee2fe994f58e18
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:557:40
[INFO] [stderr]     26:     0x56ab93d61b67 - std::panicking::try::hc1282bf2eeca2940
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:520:19
[INFO] [stderr]     27:     0x56ab93d61b67 - std::panic::catch_unwind::h212572842a792e2c
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panic.rs:358:14
[INFO] [stderr]     28:     0x56ab93d61b67 - std::rt::lang_start_internal::h9681d29d05b11740
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/rt.rs:174:20
[INFO] [stderr]     29:     0x56ab93d43f27 - std::rt::lang_start::hfb8930482599075a
[INFO] [stderr]     30:     0x56ab93d465f5 - main
[INFO] [stderr]     31:     0x7bf6f691fd90 - <unknown>
[INFO] [stderr]     32:     0x7bf6f691fe40 - __libc_start_main
[INFO] [stderr]     33:     0x56ab93d430a5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1450fb3cc49b5222a4a3274636715f1544389d7fac88e6f7ec2392f612f6df61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1450fb3cc49b5222a4a3274636715f1544389d7fac88e6f7ec2392f612f6df61", kill_on_drop: false }`
[INFO] [stdout] 1450fb3cc49b5222a4a3274636715f1544389d7fac88e6f7ec2392f612f6df61