[INFO] updating cached repository denoland/cargo_gn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/denoland/cargo_gn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/denoland/cargo_gn" "work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/denoland/cargo_gn"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/denoland/cargo_gn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/denoland/cargo_gn" "work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/denoland/cargo_gn"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/denoland/cargo_gn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb5c0748e4435381c5b2e52e8bc6c633f51a4d69
[INFO] sha for GitHub repo denoland/cargo_gn: bb5c0748e4435381c5b2e52e8bc6c633f51a4d69
[INFO] validating manifest of denoland/cargo_gn on toolchain master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of denoland/cargo_gn on toolchain try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing denoland/cargo_gn
[INFO] removed workspace from denoland/cargo_gn
[INFO] finished frobbing denoland/cargo_gn
[INFO] frobbed toml for denoland/cargo_gn written to work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/denoland/cargo_gn/Cargo.toml
[INFO] started frobbing denoland/cargo_gn
[INFO] removed workspace from denoland/cargo_gn
[INFO] finished frobbing denoland/cargo_gn
[INFO] frobbed toml for denoland/cargo_gn written to work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/denoland/cargo_gn/Cargo.toml
[INFO] crate denoland/cargo_gn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking denoland/cargo_gn against try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b for pr-60444
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60444/worker-2/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/denoland/cargo_gn:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 20ddc6e4decaf617897dc75defc115e0e5a3294eefd6ff0561d04add100d439c
[INFO] running `"docker" "start" "-a" "20ddc6e4decaf617897dc75defc115e0e5a3294eefd6ff0561d04add100d439c"`
[INFO] [stderr]    Compiling cargo_gn v0.0.5 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `cargo_gn v0.0.5 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/cargo_gn-01782a6e64286645/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] python: can't open file '/opt/crater/workdir/ninja/configure.py': [Errno 2] No such file or directory
[INFO] [stderr] thread 'main' panicked at 'assertion failed: status.success()', build.rs:30:3
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ce65cf3d43 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h1cba7cb914b608ae
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55ce65cefa6b - std::sys_common::backtrace::_print::h92597b49c897b408
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55ce65cf2b36 - std::panicking::default_hook::{{closure}}::h9b0d0d53f94db84d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55ce65cf28c9 - std::panicking::default_hook::h69c56094fed4f0ac
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55ce65cf318f - std::panicking::rust_panic_with_hook::h2ca3a3a2b6eb89a6
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55ce65ce3933 - std::panicking::begin_panic::h3edd7f0ff83b3b3d
[INFO] [stderr]                                at /rustc/cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/src/libstd/panicking.rs:408
[INFO] [stderr]    6:     0x55ce65cd55c4 - build_script_build::build_ninja::h5fe8061f53bcc73d
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:30
[INFO] [stderr]    7:     0x55ce65cd5239 - build_script_build::main::h71019e4a4497dc0c
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:12
[INFO] [stderr]    8:     0x55ce65ce38af - std::rt::lang_start::{{closure}}::h563f657e6603a12e
[INFO] [stderr]                                at /rustc/cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/src/libstd/rt.rs:64
[INFO] [stderr]    9:     0x55ce65cf2be2 - std::panicking::try::do_call::h9f7374f73eec33b6
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   10:     0x55ce65cfa4f9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   11:     0x55ce65cf369c - std::rt::lang_start_internal::h666767ed1fcf161d
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   12:     0x55ce65ce3888 - std::rt::lang_start::h5d8edeb4029437b4
[INFO] [stderr]                                at /rustc/cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55ce65cd6bd9 - main
[INFO] [stderr]   14:     0x7f0190e4b2e0 - __libc_start_main
[INFO] [stderr]   15:     0x55ce65cc81c9 - _start
[INFO] [stderr]   16:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "20ddc6e4decaf617897dc75defc115e0e5a3294eefd6ff0561d04add100d439c"`
[INFO] running `"docker" "rm" "-f" "20ddc6e4decaf617897dc75defc115e0e5a3294eefd6ff0561d04add100d439c"`
[INFO] [stdout] 20ddc6e4decaf617897dc75defc115e0e5a3294eefd6ff0561d04add100d439c