[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#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Fcargo_gn" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denoland/cargo_gn on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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-8/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: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] a0403863223cdafdf456776e422bfde452165e59bd29a4c2f6a0be85375f05e9
[INFO] running `Command { std: "docker" "start" "-a" "a0403863223cdafdf456776e422bfde452165e59bd29a4c2f6a0be85375f05e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0403863223cdafdf456776e422bfde452165e59bd29a4c2f6a0be85375f05e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0403863223cdafdf456776e422bfde452165e59bd29a4c2f6a0be85375f05e9", kill_on_drop: false }`
[INFO] [stdout] a0403863223cdafdf456776e422bfde452165e59bd29a4c2f6a0be85375f05e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 84ff106ef22a1fe5c8f8a6c98cb0658a999723254e96cb0ae78e4434a149f6f2
[INFO] running `Command { std: "docker" "start" "-a" "84ff106ef22a1fe5c8f8a6c98cb0658a999723254e96cb0ae78e4434a149f6f2", 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] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cargo_gn_example-ac66531e50de8110/build-script-build` (exit code: 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: "gn" "--root=/opt/rustwide/workdir/example/." "gen" "/opt/rustwide/target/debug/gn_out" "--args=is_debug=true"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '
[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', src/lib.rs:203:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5564dbfc4e00 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5564dbfc4e00 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5564dbfc4e00 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5564dbfc4e00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5564dbfdf95f - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x5564dbfc2332 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/io/mod.rs:1572:15
[INFO] [stderr]      6:     0x5564dbfc6ad5 - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5564dbfc6ad5 - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5564dbfc6ad5 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5564dbfc6583 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5564dbfc70dd - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5564dbfc6c77 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x5564dbfc52bc - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5564dbfc6bd9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5564dbf84ebb - std::panicking::begin_panic_fmt::h0b6b6d9d830486ef
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:435:5
[INFO] [stderr]     15:     0x5564dbf8d0d3 - cargo_gn::fail::hfb7c7d1088a96ab0
[INFO] [stderr]                                  at /opt/rustwide/workdir/src/lib.rs:203:3
[INFO] [stderr]     16:     0x5564dbf8cdb1 - cargo_gn::run::h553d97eea5cefc91
[INFO] [stderr]                                  at /opt/rustwide/workdir/src/lib.rs:187:7
[INFO] [stderr]     17:     0x5564dbf8bff6 - cargo_gn::maybe_gen::h71f7993ee77e2a17
[INFO] [stderr]                                  at /opt/rustwide/workdir/src/lib.rs:141:5
[INFO] [stderr]     18:     0x5564dbf868d2 - build_script_build::main::h0f14d10863be2bd9
[INFO] [stderr]                                  at /opt/rustwide/workdir/example/src/build.rs:9:16
[INFO] [stderr]     19:     0x5564dbf8640b - core::ops::function::FnOnce::call_once::h1405f934075821e0
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5564dbf863ae - std::sys_common::backtrace::__rust_begin_short_backtrace::hbe76ed66c897c898
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5564dbf86b61 - std::rt::lang_start::{{closure}}::hff7ed567252a19b4
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x5564dbfc74da - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5564dbfc74da - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x5564dbfc74da - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x5564dbfc74da - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x5564dbfc74da - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x5564dbf86b40 - std::rt::lang_start::h98c81734afc93bce
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x5564dbf86b0c - main
[INFO] [stderr]     29:     0x7fa38837e0b3 - __libc_start_main
[INFO] [stderr]     30:     0x5564dbf8598e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "84ff106ef22a1fe5c8f8a6c98cb0658a999723254e96cb0ae78e4434a149f6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ff106ef22a1fe5c8f8a6c98cb0658a999723254e96cb0ae78e4434a149f6f2", kill_on_drop: false }`
[INFO] [stdout] 84ff106ef22a1fe5c8f8a6c98cb0658a999723254e96cb0ae78e4434a149f6f2