[INFO] updating cached repository https://github.com/j-selby/liftinstall
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca8defda7e230e8ef6638ff5115965e8bd9bbe26
[INFO] checking j-selby/liftinstall against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-selby%2Fliftinstall" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j-selby/liftinstall on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/j-selby/liftinstall
[INFO] finished tweaking git repo https://github.com/j-selby/liftinstall
[INFO] tweaked toml for git repo https://github.com/j-selby/liftinstall written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/j-selby/liftinstall already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7478e085de0a0c2268e73e56e54de9a3f39fb56ae7063c68dd84d2456ecbf947
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7478e085de0a0c2268e73e56e54de9a3f39fb56ae7063c68dd84d2456ecbf947"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling sysinfo v0.8.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]    Compiling webview-sys v0.1.2 (https://github.com/j-selby/web-view.git?rev=752106e4637356cbdb39a0bf1113ea3ae8a14243#752106e4)
[INFO] [stderr]    Compiling lzma-sys v0.1.14
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking libflate v0.1.24
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.24
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]     Checking web-view v0.4.1 (https://github.com/j-selby/web-view.git?rev=752106e4637356cbdb39a0bf1113ea3ae8a14243#752106e4)
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking zip v0.5.2
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]    Compiling liftinstall v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `liftinstall v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/liftinstall-605f885e78887507/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Failed to find yarn - please go ahead and install it!: Error { inner: stack backtrace:
[INFO] [stderr]    0: failure::backtrace::internal::InternalBacktrace::new::hce03d78d52f73f01 (0x564a46118c1c)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stderr]    1: failure::backtrace::Backtrace::new::h199c09c8598c2f6b (0x564a4611760e)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stderr]    2: failure::context::Context<D>::new::h29c0ce1e5acf9646 (0x564a46116c2a)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/context.rs:84
[INFO] [stderr]    3: <which::error::Error as core::convert::From<which::error::ErrorKind>>::from::h085232ffcf77895f (0x564a46116978)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/error.rs:59
[INFO] [stderr]    4: <T as core::convert::Into<U>>::into::hdda509bb61121038 (0x564a46107e6c)
[INFO] [stderr]              at /rustc/4007d4ef26eab44bdabc2b7574d032152264d3ad/src/libcore/convert.rs:547
[INFO] [stderr]    5: which::finder::Finder::find::h71b9e51b4c0fa8b2 (0x564a46100756)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/finder.rs:85
[INFO] [stderr]    6: which::which_in::ha95f2f676595edf4 (0x564a461038f4)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/lib.rs:83
[INFO] [stderr]    7: which::which::h74c3789bbc05d04c (0x564a461035d4)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/lib.rs:67
[INFO] [stderr]    8: build_script_build::main::h9df8caa40a0f6f33 (0x564a46109d09)
[INFO] [stderr]              at /opt/rustwide/workdir/build.rs:90
[INFO] [stderr]    9: std::rt::lang_start::{{closure}}::h57606e6af99b0d87 (0x564a4610c720)
[INFO] [stderr]              at /rustc/4007d4ef26eab44bdabc2b7574d032152264d3ad/src/libstd/rt.rs:67
[INFO] [stderr]   10: std::rt::lang_start_internal::{{closure}}::h8908fde85afe23e2 (0x564a4619c813)
[INFO] [stderr]              at src/libstd/rt.rs:52
[INFO] [stderr]       std::panicking::try::do_call::h4a6b7fd652bb44be
[INFO] [stderr]              at src/libstd/panicking.rs:292
[INFO] [stderr]   11: __rust_maybe_catch_panic (0x564a461a3b3a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:81
[INFO] [stderr]   12: std::panicking::try::h3a04761f208f0237 (0x564a4619d260)
[INFO] [stderr]              at src/libstd/panicking.rs:270
[INFO] [stderr]       std::panic::catch_unwind::hcd13548900b20da0
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::hcbec06ca7695af54
[INFO] [stderr]              at src/libstd/rt.rs:51
[INFO] [stderr]   13: std::rt::lang_start::h4bed960e6ee9989a (0x564a4610c6f9)
[INFO] [stderr]              at /rustc/4007d4ef26eab44bdabc2b7574d032152264d3ad/src/libstd/rt.rs:67
[INFO] [stderr]   14: main (0x564a4610b2ba)
[INFO] [stderr]   15: __libc_start_main (0x7fa7409c3b97)
[INFO] [stderr]   16: _start (0x564a460f5fca)
[INFO] [stderr]   17: <unknown> (0x0)
[INFO] [stderr] 
[INFO] [stderr] Cannot find binary path }', src/libcore/result.rs:1189:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564a4619a734 - backtrace::backtrace::libunwind::trace::h86a11ecd6abb81ed
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x564a4619a734 - backtrace::backtrace::trace_unsynchronized::hb15fe4110e5f85d2
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564a4619a734 - std::sys_common::backtrace::_print_fmt::h3fe925aba6fb8a40
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:84
[INFO] [stderr]    3:     0x564a4619a734 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::heeb49cad91640f09
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x564a461be26c - core::fmt::write::h8833349fa0c8591c
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1024
[INFO] [stderr]    5:     0x564a46198a47 - std::io::Write::write_fmt::h04c97778c24a45de
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x564a4619c74e - std::sys_common::backtrace::_print::h94674bd19992a2fa
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x564a4619c74e - std::sys_common::backtrace::print::h96ed28e8e2a34b72
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x564a4619c74e - std::panicking::default_hook::{{closure}}::h11c2ff14a155c2b9
[INFO] [stderr]                                at src/libstd/panicking.rs:193
[INFO] [stderr]    9:     0x564a4619c441 - std::panicking::default_hook::h036f22f28618618b
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x564a4619cdcb - std::panicking::rust_panic_with_hook::hf61d02f6b05d844c
[INFO] [stderr]                                at src/libstd/panicking.rs:471
[INFO] [stderr]   11:     0x564a4619c97e - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:375
[INFO] [stderr]   12:     0x564a461bb28e - core::panicking::panic_fmt::h9ef0f02a9d526368
[INFO] [stderr]                                at src/libcore/panicking.rs:82
[INFO] [stderr]   13:     0x564a461bb387 - core::result::unwrap_failed::h794c12ab7a19eb5f
[INFO] [stderr]                                at src/libcore/result.rs:1189
[INFO] [stderr]   14:     0x564a46111c74 - core::result::Result<T,E>::expect::hd22836495a8979b0
[INFO] [stderr]                                at /rustc/4007d4ef26eab44bdabc2b7574d032152264d3ad/src/libcore/result.rs:984
[INFO] [stderr]   15:     0x564a46109d2c - build_script_build::main::h9df8caa40a0f6f33
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:90
[INFO] [stderr]   16:     0x564a4610c720 - std::rt::lang_start::{{closure}}::h57606e6af99b0d87
[INFO] [stderr]                                at /rustc/4007d4ef26eab44bdabc2b7574d032152264d3ad/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x564a4619c813 - std::rt::lang_start_internal::{{closure}}::h8908fde85afe23e2
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x564a4619c813 - std::panicking::try::do_call::h4a6b7fd652bb44be
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   19:     0x564a461a3b3a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:81
[INFO] [stderr]   20:     0x564a4619d260 - std::panicking::try::h3a04761f208f0237
[INFO] [stderr]                                at src/libstd/panicking.rs:270
[INFO] [stderr]   21:     0x564a4619d260 - std::panic::catch_unwind::hcd13548900b20da0
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x564a4619d260 - std::rt::lang_start_internal::hcbec06ca7695af54
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x564a4610c6f9 - std::rt::lang_start::h4bed960e6ee9989a
[INFO] [stderr]                                at /rustc/4007d4ef26eab44bdabc2b7574d032152264d3ad/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x564a4610b2ba - main
[INFO] [stderr]   25:     0x7fa7409c3b97 - __libc_start_main
[INFO] [stderr]   26:     0x564a460f5fca - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7478e085de0a0c2268e73e56e54de9a3f39fb56ae7063c68dd84d2456ecbf947"`
[INFO] running `"docker" "rm" "-f" "7478e085de0a0c2268e73e56e54de9a3f39fb56ae7063c68dd84d2456ecbf947"`
[INFO] [stdout] 7478e085de0a0c2268e73e56e54de9a3f39fb56ae7063c68dd84d2456ecbf947