[INFO] fetching crate ms-learn-md-parser 0.0.1...
[INFO] building ms-learn-md-parser-0.0.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ms-learn-md-parser 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ms-learn-md-parser 0.0.1
[INFO] finished tweaking crates.io crate ms-learn-md-parser 0.0.1
[INFO] tweaked toml for crates.io crate ms-learn-md-parser 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ms-learn-md-parser 0.0.1 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 186 packages to latest compatible versions
[INFO] [stderr]       Adding deno_core v0.175.0 (available: v0.362.0)
[INFO] [stderr]       Adding log v0.4.17 (available: v0.4.28)
[INFO] [stderr]       Adding scraper v0.15.0 (available: v0.24.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5f52f640fc9ee541ae201f3f5716994a2723f8aa3115e46514f77dd21fb33a09
[INFO] running `Command { std: "docker" "start" "-a" "5f52f640fc9ee541ae201f3f5716994a2723f8aa3115e46514f77dd21fb33a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f52f640fc9ee541ae201f3f5716994a2723f8aa3115e46514f77dd21fb33a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f52f640fc9ee541ae201f3f5716994a2723f8aa3115e46514f77dd21fb33a09", kill_on_drop: false }`
[INFO] [stdout] 5f52f640fc9ee541ae201f3f5716994a2723f8aa3115e46514f77dd21fb33a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 452ccce0473d8cb1451f594bb8106c974dbfa621729e77d1d920a1793547b9f2
[INFO] running `Command { std: "docker" "start" "-a" "452ccce0473d8cb1451f594bb8106c974dbfa621729e77d1d920a1793547b9f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling fslock v0.1.8
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling v8 v0.64.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling servo_arc v0.2.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr] error: failed to run custom build command for `v8 v0.64.0`
[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/v8-4a9e5c9bd2a7c7a8/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=.gn
[INFO] [stderr]   cargo:rerun-if-changed=BUILD.gn
[INFO] [stderr]   cargo:rerun-if-changed=src/binding.cc
[INFO] [stderr]   cargo:rerun-if-env-changed=CCACHE
[INFO] [stderr]   cargo:rerun-if-env-changed=CLANG_BASE_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=DENO_TRYBUILD
[INFO] [stderr]   cargo:rerun-if-env-changed=DOCS_RS
[INFO] [stderr]   cargo:rerun-if-env-changed=GN
[INFO] [stderr]   cargo:rerun-if-env-changed=GN_ARGS
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST
[INFO] [stderr]   cargo:rerun-if-env-changed=NINJA
[INFO] [stderr]   cargo:rerun-if-env-changed=OUT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=RUSTY_V8_ARCHIVE
[INFO] [stderr]   cargo:rerun-if-env-changed=RUSTY_V8_MIRROR
[INFO] [stderr]   cargo:rerun-if-env-changed=SCCACHE
[INFO] [stderr]   cargo:rerun-if-env-changed=V8_FORCE_DEBUG
[INFO] [stderr]   cargo:rerun-if-env-changed=V8_FROM_SOURCE
[INFO] [stderr]   cargo:rustc-link-lib=static=rusty_v8
[INFO] [stderr]   download lockfile: "/opt/rustwide/target/debug/build/lib_download.fslock"
[INFO] [stderr]   static lib URL: https://github.com/denoland/rusty_v8/releases/download/v0.64.0/librusty_v8_release_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   cargo:rustc-link-search=/opt/rustwide/target/debug/gn_out/obj
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.64.0/librusty_v8_release_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Python downloader failed, trying with curl.
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (804) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/v8-0.64.0/build.rs:412:3:
[INFO] [stderr]   assertion failed: status.success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x61ee23ae2932 - 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:     0x61ee23ae2932 - 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:     0x61ee23ae2932 - std::sys::backtrace::_print_fmt::h19dc0f5ca3f1c927
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x61ee23ae2932 - <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:     0x61ee23af230f - core::fmt::rt::Argument::fmt::h5bcabd5a3c1d10f7
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x61ee23af230f - core::fmt::write::ha34f2b5c70e30f63
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x61ee23ab4701 - std::io::default_write_fmt::h573facd83e7bee80
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x61ee23ab4701 - std::io::Write::write_fmt::h76264e5b71fd6d13
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x61ee23abfd52 - std::sys::backtrace::BacktraceLock::print::hb3aae3980c2c9bd5
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x61ee23ac212c - std::panicking::default_hook::{{closure}}::h1b7baa88a148d351
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x61ee23ac1f86 - std::panicking::default_hook::hbc5e86c06039547d
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x61ee23ac27b5 - std::panicking::panic_with_hook::ha6d2c09d64f936dd
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x61ee23ac2616 - std::panicking::panic_handler::{{closure}}::h455c9d131d722636
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:700:13
[INFO] [stderr]     13:     0x61ee23abfe99 - std::sys::backtrace::__rust_end_short_backtrace::hd6ef955384ebd085
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x61ee23aa7ead - __rustc[f338935add60802b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x61ee23af58b0 - core::panicking::panic_fmt::hb8d4a4959b79599f
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x61ee23af588c - core::panicking::panic::h1b2de11688e3814a
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/panicking.rs:145:5
[INFO] [stderr]     17:     0x61ee23a81e4e - build_script_build::download_file::h9ab6185bc0c60d60
[INFO] [stderr]     18:     0x61ee23a85b04 - build_script_build::download_static_lib_binaries::hf3a74ad7d1f1eafb
[INFO] [stderr]     19:     0x61ee23a86a2c - build_script_build::main::h1d7d97cfffeff66e
[INFO] [stderr]     20:     0x61ee23a8ab83 - core::ops::function::FnOnce::call_once::hee9e94d62989a6dd
[INFO] [stderr]     21:     0x61ee23a8f166 - std::sys::backtrace::__rust_begin_short_backtrace::h2cb0871cacd99e42
[INFO] [stderr]     22:     0x61ee23a94029 - std::rt::lang_start::{{closure}}::h95aa4121b275642c
[INFO] [stderr]     23:     0x61ee23ab5f90 - 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]     24:     0x61ee23ab5f90 - std::panicking::catch_unwind::do_call::hd380709a4299b9fc
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x61ee23ab5f90 - std::panicking::catch_unwind::h518887d20d286a22
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x61ee23ab5f90 - std::panic::catch_unwind::h2976988d58581e5d
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x61ee23ab5f90 - std::rt::lang_start_internal::{{closure}}::h1b4b9756e08c6661
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x61ee23ab5f90 - std::panicking::catch_unwind::do_call::hcca0ca64d8ef299f
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x61ee23ab5f90 - std::panicking::catch_unwind::h685f750dcd8c8c5d
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x61ee23ab5f90 - std::panic::catch_unwind::hcb6c05508142789b
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x61ee23ab5f90 - std::rt::lang_start_internal::h2ade37a099a7616e
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x61ee23a94011 - std::rt::lang_start::hb689553725051334
[INFO] [stderr]     33:     0x61ee23a8c565 - main
[INFO] [stderr]     34:     0x77bf8f19a1ca - <unknown>
[INFO] [stderr]     35:     0x77bf8f19a28b - __libc_start_main
[INFO] [stderr]     36:     0x61ee23a7dd45 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "452ccce0473d8cb1451f594bb8106c974dbfa621729e77d1d920a1793547b9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452ccce0473d8cb1451f594bb8106c974dbfa621729e77d1d920a1793547b9f2", kill_on_drop: false }`
[INFO] [stdout] 452ccce0473d8cb1451f594bb8106c974dbfa621729e77d1d920a1793547b9f2