[INFO] cloning repository https://github.com/denoland/cargo_gn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denoland/cargo_gn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Fcargo_gn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Fcargo_gn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf13796672b2219629e478d2c2849eff97f7b162
[INFO] checking denoland/cargo_gn against try#9d63f825c0d409b0e1743a2c84b33f86965e5929 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Fcargo_gn" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denoland/cargo_gn on toolchain 9d63f825c0d409b0e1743a2c84b33f86965e5929
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/denoland/cargo_gn
[INFO] finished tweaking git repo https://github.com/denoland/cargo_gn
[INFO] tweaked toml for git repo https://github.com/denoland/cargo_gn written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/denoland/cargo_gn 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" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41766dba264b3528f06c69bf115e4d85d5b0c55a44f4d84aefd799c5b9a9c473
[INFO] running `Command { std: "docker" "start" "-a" "41766dba264b3528f06c69bf115e4d85d5b0c55a44f4d84aefd799c5b9a9c473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41766dba264b3528f06c69bf115e4d85d5b0c55a44f4d84aefd799c5b9a9c473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41766dba264b3528f06c69bf115e4d85d5b0c55a44f4d84aefd799c5b9a9c473", kill_on_drop: false }`
[INFO] [stdout] 41766dba264b3528f06c69bf115e4d85d5b0c55a44f4d84aefd799c5b9a9c473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd42253933768eb0ad667d95f4b0f3073c21b80c406d282e9794f2aac821bbe1
[INFO] running `Command { std: "docker" "start" "-a" "fd42253933768eb0ad667d95f4b0f3073c21b80c406d282e9794f2aac821bbe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo_gn v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cargo_gn_example v0.0.1 (/opt/rustwide/workdir/example)
[INFO] [stderr] error: failed to run custom build command for `cargo_gn_example v0.0.1 (/opt/rustwide/workdir/example)`
[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/cargo_gn_example-16dbaf4091e922c2/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   The current directory is /opt/rustwide/workdir/example
[INFO] [stderr]   gn gen --root=/opt/rustwide/workdir/example/. /opt/rustwide/target/debug/gn_out
[INFO] [stderr]   running: CARGO="/opt/rustwide/rustup-home/toolchains/9d63f825c0d409b0e1743a2c84b33f86965e5929/bin/cargo" CARGO_CFG_FEATURE="" CARGO_CFG_FMT_DEBUG="full" CARGO_CFG_OVERFLOW_CHECKS="" CARGO_CFG_PANIC="unwind" CARGO_CFG_RELOCATION_MODEL="pic" CARGO_CFG_TARGET_ABI="" CARGO_CFG_TARGET_ARCH="x86_64" CARGO_CFG_TARGET_ENDIAN="little" CARGO_CFG_TARGET_ENV="gnu" CARGO_CFG_TARGET_FAMILY="unix" CARGO_CFG_TARGET_FEATURE="fxsr,sse,sse2,x87" CARGO_CFG_TARGET_HAS_ATOMIC="16,32,64,8,ptr" CARGO_CFG_TARGET_HAS_ATOMIC_EQUAL_ALIGNMENT="16,32,64,8,ptr" CARGO_CFG_TARGET_HAS_ATOMIC_LOAD_STORE="16,32,64,8,ptr" CARGO_CFG_TARGET_OS="linux" CARGO_CFG_TARGET_POINTER_WIDTH="64" CARGO_CFG_TARGET_THREAD_LOCAL="" CARGO_CFG_TARGET_VENDOR="unknown" CARGO_CFG_UB_CHECKS="" CARGO_CFG_UNIX="" CARGO_ENCODED_RUSTFLAGS="--cap-lints=forbid" CARGO_HOME="/opt/rustwide/cargo-home" CARGO_INCREMENTAL="0" CARGO_MAKEFLAGS="-j --jobserver-fds=6,7 --jobserver-auth=6,7" CARGO_MANIFEST_DIR="/opt/rustwide/workdir/example" CARGO_MANIFEST_PATH="/opt/rustwide/workdir/example/Cargo.toml" CARGO_PKG_AUTHORS="Ryan Dahl <ry@tinyclouds.org>" CARGO_PKG_DESCRIPTION="" CARGO_PKG_HOMEPAGE="" CARGO_PKG_LICENSE="" CARGO_PKG_LICENSE_FILE="" CARGO_PKG_NAME="cargo_gn_example" CARGO_PKG_README="" CARGO_PKG_REPOSITORY="" CARGO_PKG_RUST_VERSION="" CARGO_PKG_VERSION="0.0.1" CARGO_PKG_VERSION_MAJOR="0" CARGO_PKG_VERSION_MINOR="0" CARGO_PKG_VERSION_PATCH="1" CARGO_PKG_VERSION_PRE="" CARGO_TARGET_DIR="/opt/rustwide/target" DEBUG="true" HOME="/root" HOST="x86_64-unknown-linux-gnu" HOSTNAME="fd4225393376" LD_LIBRARY_PATH="/opt/rustwide/target/debug/deps:/opt/rustwide/target/debug:/opt/rustwide/rustup-home/toolchains/9d63f825c0d409b0e1743a2c84b33f86965e5929/lib/rustlib/x86_64-unknown-linux-gnu/lib:/opt/rustwide/rustup-home/toolchains/9d63f825c0d409b0e1743a2c84b33f86965e5929/lib" NUM_JOBS="16" OPT_LEVEL="0" OUT_DIR="/opt/rustwide/target/debug/build/cargo_gn_example-b71a45714e327dd9/out" PATH="/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" PROFILE="debug" RUSTC="/opt/rustwide/rustup-home/toolchains/9d63f825c0d409b0e1743a2c84b33f86965e5929/bin/rustc" RUSTDOC="/opt/rustwide/rustup-home/toolchains/9d63f825c0d409b0e1743a2c84b33f86965e5929/bin/rustdoc" RUSTDOCFLAGS="--cap-lints=forbid" RUSTUP_HOME="/opt/rustwide/rustup-home" RUSTUP_TOOLCHAIN="9d63f825c0d409b0e1743a2c84b33f86965e5929" RUST_BACKTRACE="full" RUST_RECURSION_COUNT="1" SOURCE_DIR="/opt/rustwide/workdir" SSL_CERT_DIR="/usr/lib/ssl/certs" SSL_CERT_FILE="/usr/lib/ssl/certs/ca-certificates.crt" TARGET="x86_64-unknown-linux-gnu" "gn" "--root=/opt/rustwide/workdir/example/." "gen" "/opt/rustwide/target/debug/gn_out" "--args=is_debug=true"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at src/lib.rs:203:3:
[INFO] [stderr] 
[INFO] [stderr]   failed to execute command: No such file or directory (os error 2)
[INFO] [stderr]   is `gn gen` not installed?
[INFO] [stderr] 
[INFO] [stderr]   build script failed, must exit now
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x631b706d0da0 - std::backtrace_rs::backtrace::libunwind::trace::hc4a6fdf046576c6d
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x631b706d0da0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8a1a916d5eb7b02b
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x631b706d0da0 - std::sys::backtrace::_print_fmt::h5872c021102465ba
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x631b706d0da0 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hf85ec498e0bacb6b
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x631b706f3cd3 - core::fmt::rt::Argument::fmt::h204225b3aaac825a
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x631b706f3cd3 - core::fmt::write::haa340967cf88ed86
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x631b706cdd33 - std::io::Write::write_fmt::hcc9de2d653ac48c5
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x631b706d0bf2 - std::sys::backtrace::BacktraceLock::print::h76ab1f84bfe11a74
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x631b706d1d6f - std::panicking::default_hook::{{closure}}::h53c72485f731affc
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panicking.rs:298:22
[INFO] [stderr]      9:     0x631b706d1bda - std::panicking::default_hook::ha38260c6798bcfbb
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panicking.rs:325:9
[INFO] [stderr]     10:     0x631b706d2642 - std::panicking::rust_panic_with_hook::hb3261527ac343cc7
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panicking.rs:831:13
[INFO] [stderr]     11:     0x631b706d24da - std::panicking::begin_panic_handler::{{closure}}::h822550140a658897
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panicking.rs:704:13
[INFO] [stderr]     12:     0x631b706d12a9 - std::sys::backtrace::__rust_end_short_backtrace::h4780646084ad0963
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x631b706d216d - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panicking.rs:695:5
[INFO] [stderr]     14:     0x631b706f2b20 - core::panicking::panic_fmt::hda1b0c746c04af81
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x631b7069746f - cargo_gn::fail::h006e03dae8f9b4cf
[INFO] [stderr]     16:     0x631b706973e0 - cargo_gn::run::he0bdd8f83fac5160
[INFO] [stderr]     17:     0x631b706967f7 - cargo_gn::maybe_gen::h87710fd9a775da9f
[INFO] [stderr]     18:     0x631b706930a1 - build_script_build::main::h2ce6a8eced891df0
[INFO] [stderr]     19:     0x631b70692813 - core::ops::function::FnOnce::call_once::he40f94e4717a5f49
[INFO] [stderr]     20:     0x631b70692766 - std::sys::backtrace::__rust_begin_short_backtrace::h61be84b3d9ac0d0f
[INFO] [stderr]     21:     0x631b70692749 - std::rt::lang_start::{{closure}}::he94b3a1602202712
[INFO] [stderr]     22:     0x631b706ca4e0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0ed2cb5bd0344754
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x631b706ca4e0 - std::panicking::try::do_call::hcdd94d96a95e782a
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panicking.rs:587:40
[INFO] [stderr]     24:     0x631b706ca4e0 - std::panicking::try::h6c8552d33a883daf
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panicking.rs:550:19
[INFO] [stderr]     25:     0x631b706ca4e0 - std::panic::catch_unwind::h63fe7c1211337599
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panic.rs:358:14
[INFO] [stderr]     26:     0x631b706ca4e0 - std::rt::lang_start_internal::{{closure}}::hc5ade9a1f3447454
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/rt.rs:168:24
[INFO] [stderr]     27:     0x631b706ca4e0 - std::panicking::try::do_call::hbadf98a6dc3bd09b
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panicking.rs:587:40
[INFO] [stderr]     28:     0x631b706ca4e0 - std::panicking::try::h4680779019f00a17
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panicking.rs:550:19
[INFO] [stderr]     29:     0x631b706ca4e0 - std::panic::catch_unwind::h183e9cdf47df71c7
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/panic.rs:358:14
[INFO] [stderr]     30:     0x631b706ca4e0 - std::rt::lang_start_internal::hef2046a541cd9869
[INFO] [stderr]                                  at /rustc/9d63f825c0d409b0e1743a2c84b33f86965e5929/library/std/src/rt.rs:164:5
[INFO] [stderr]     31:     0x631b70692731 - std::rt::lang_start::h4565a9ab33afe4be
[INFO] [stderr]     32:     0x631b70693355 - main
[INFO] [stderr]     33:     0x7bacd4466d90 - <unknown>
[INFO] [stderr]     34:     0x7bacd4466e40 - __libc_start_main
[INFO] [stderr]     35:     0x631b70692605 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "fd42253933768eb0ad667d95f4b0f3073c21b80c406d282e9794f2aac821bbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd42253933768eb0ad667d95f4b0f3073c21b80c406d282e9794f2aac821bbe1", kill_on_drop: false }`
[INFO] [stdout] fd42253933768eb0ad667d95f4b0f3073c21b80c406d282e9794f2aac821bbe1