[INFO] fetching crate ocaml-boxroot-sys 0.4.0...
[INFO] building ocaml-boxroot-sys-0.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ocaml-boxroot-sys 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ocaml-boxroot-sys 0.4.0
[INFO] finished tweaking crates.io crate ocaml-boxroot-sys 0.4.0
[INFO] tweaked toml for crates.io crate ocaml-boxroot-sys 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ocaml-boxroot-sys 0.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb8402729145f37b497151ab8df3bd34d49bce7e3e9f257365bf6bf082a5b9e1
[INFO] running `Command { std: "docker" "start" "-a" "eb8402729145f37b497151ab8df3bd34d49bce7e3e9f257365bf6bf082a5b9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb8402729145f37b497151ab8df3bd34d49bce7e3e9f257365bf6bf082a5b9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8402729145f37b497151ab8df3bd34d49bce7e3e9f257365bf6bf082a5b9e1", kill_on_drop: false }`
[INFO] [stdout] eb8402729145f37b497151ab8df3bd34d49bce7e3e9f257365bf6bf082a5b9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca3a64e17df22fd0f391a9b6a65c2bc504674664a2db2e558768b4d04c5bd76b
[INFO] running `Command { std: "docker" "start" "-a" "ca3a64e17df22fd0f391a9b6a65c2bc504674664a2db2e558768b4d04c5bd76b", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling ocaml-boxroot-sys v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `ocaml-boxroot-sys v0.4.0 (/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/ocaml-boxroot-sys-96907f775e87d369/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=vendor/boxroot/
[INFO] [stderr]   cargo:rerun-if-env-changed=OCAMLOPT
[INFO] [stderr]   cargo:rerun-if-env-changed=OCAML_WHERE_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=OPAM_SWITCH_PREFIX
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (89) panicked at build.rs:21:20:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x576257c96c02 - std::backtrace_rs::backtrace::libunwind::trace::hb47480f78a1ce3ca
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x576257c96c02 - std::backtrace_rs::backtrace::trace_unsynchronized::hc1656d2da6a98cd5
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x576257c96c02 - std::sys::backtrace::_print_fmt::h19dc0f5ca3f1c927
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x576257c96c02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71e2dbb21440d8d7
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x576257ca742f - core::fmt::rt::Argument::fmt::h5bcabd5a3c1d10f7
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x576257ca742f - core::fmt::write::ha34f2b5c70e30f63
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x576257c66e21 - std::io::default_write_fmt::h573facd83e7bee80
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x576257c66e21 - std::io::Write::write_fmt::h76264e5b71fd6d13
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x576257c722f2 - std::sys::backtrace::BacktraceLock::print::hb3aae3980c2c9bd5
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x576257c7502c - std::panicking::default_hook::{{closure}}::h1b7baa88a148d351
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x576257c74e86 - std::panicking::default_hook::hbc5e86c06039547d
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x576257c756b5 - std::panicking::panic_with_hook::ha6d2c09d64f936dd
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x576257c7554a - std::panicking::panic_handler::{{closure}}::h455c9d131d722636
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x576257c72439 - std::sys::backtrace::__rust_end_short_backtrace::hd6ef955384ebd085
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x576257c5aded - __rustc[f338935add60802b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x576257cab140 - core::panicking::panic_fmt::hb8d4a4959b79599f
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x576257caa596 - core::result::unwrap_failed::hff1097c91eb4b6b2
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/result.rs:1854:5
[INFO] [stderr]     17:     0x576257be8137 - build_script_build::build_boxroot::hd7640199945cfbf4
[INFO] [stderr]     18:     0x576257be8636 - build_script_build::main::h9ccf2cd5f604a43b
[INFO] [stderr]     19:     0x576257be8933 - core::ops::function::FnOnce::call_once::h2b594623f858eef0
[INFO] [stderr]     20:     0x576257be8876 - std::sys::backtrace::__rust_begin_short_backtrace::h8acc74c0f8cc5ed0
[INFO] [stderr]     21:     0x576257be8859 - std::rt::lang_start::{{closure}}::hf58257846775dcca
[INFO] [stderr]     22:     0x576257c68820 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6775bd355fba6242
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     23:     0x576257c68820 - std::panicking::catch_unwind::do_call::hd380709a4299b9fc
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x576257c68820 - std::panicking::catch_unwind::h518887d20d286a22
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x576257c68820 - std::panic::catch_unwind::h2976988d58581e5d
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x576257c68820 - std::rt::lang_start_internal::{{closure}}::h1b4b9756e08c6661
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x576257c68820 - std::panicking::catch_unwind::do_call::hcca0ca64d8ef299f
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x576257c68820 - std::panicking::catch_unwind::h685f750dcd8c8c5d
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x576257c68820 - std::panic::catch_unwind::hcb6c05508142789b
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x576257c68820 - std::rt::lang_start_internal::h2ade37a099a7616e
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x576257be8841 - std::rt::lang_start::h2cb46024e2bcacf3
[INFO] [stderr]     32:     0x576257be9085 - main
[INFO] [stderr]     33:     0x797785d0c1ca - <unknown>
[INFO] [stderr]     34:     0x797785d0c28b - __libc_start_main
[INFO] [stderr]     35:     0x576257be7c15 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ca3a64e17df22fd0f391a9b6a65c2bc504674664a2db2e558768b4d04c5bd76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3a64e17df22fd0f391a9b6a65c2bc504674664a2db2e558768b4d04c5bd76b", kill_on_drop: false }`
[INFO] [stdout] ca3a64e17df22fd0f391a9b6a65c2bc504674664a2db2e558768b4d04c5bd76b