[INFO] updating cached repository andreasots/panopticon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andreasots/panopticon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andreasots/panopticon" "work/ex/beta-1.38-1/sources/1.37.0/gh/andreasots/panopticon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andreasots/panopticon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andreasots/panopticon" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andreasots/panopticon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andreasots/panopticon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ccb86167e0dd881438bfe08da49ef4c87ba71d70
[INFO] sha for GitHub repo andreasots/panopticon: ccb86167e0dd881438bfe08da49ef4c87ba71d70
[INFO] validating manifest of andreasots/panopticon on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of andreasots/panopticon on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing andreasots/panopticon
[INFO] finished frobbing andreasots/panopticon
[INFO] frobbed toml for andreasots/panopticon written to work/ex/beta-1.38-1/sources/1.37.0/gh/andreasots/panopticon/Cargo.toml
[INFO] started frobbing andreasots/panopticon
[INFO] finished frobbing andreasots/panopticon
[INFO] frobbed toml for andreasots/panopticon written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andreasots/panopticon/Cargo.toml
[INFO] crate andreasots/panopticon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing andreasots/panopticon against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andreasots/panopticon:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e055f02f5d572bc36fbf5769d588ed463edd5ec3a372f73ceb953b02a20f9b3c
[INFO] running `"docker" "start" "-a" "e055f02f5d572bc36fbf5769d588ed463edd5ec3a372f73ceb953b02a20f9b3c"`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling futures v0.1.20
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling serde v1.0.36
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling unidecode v0.2.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling slog v2.2.3
[INFO] [stderr]    Compiling rand_core v0.1.0-pre.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling elastic_requests v0.20.9
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling isatty v0.1.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling base64 v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.0
[INFO] [stderr]    Compiling rand v0.5.0-pre.0
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.27
[INFO] [stderr]    Compiling tokio-executor v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling slug v0.1.2
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling uuid v0.6.2
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling chrono v0.4.1
[INFO] [stderr]    Compiling r2d2 v0.8.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling slog-stdlog v3.0.2
[INFO] [stderr]    Compiling argon2rs v0.2.5 (https://github.com/bryant/argon2rs?branch=variant-argon2id#15432380)
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling bincode v1.0.0
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling tokio-threadpool v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling slog-term v2.3.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling mime v0.3.5
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling serde_derive_internals v0.22.2
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling gotham_derive v0.2.0
[INFO] [stderr]    Compiling tokio v0.1.4
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling panopticon v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling tokio-core v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.36
[INFO] [stderr]    Compiling diesel_derives v1.1.0
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling derive-error-chain v0.11.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr] error: failed to run custom build command for `panopticon v0.1.1 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/panopticon-3a28391c3e656abd/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'failed to run `yarn`: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564a2c4e73bb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x564a2c4e73bb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564a2c4e73bb - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x564a2c4e73bb - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x564a2c4e73bb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x564a2c4e7096 - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x564a2c4e7a7d - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x564a2c4e7602 - std::panicking::continue_panic_fmt::he38ad41d6304a12c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x564a2c4e74e6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x564a2c50408d - core::panicking::panic_fmt::h1bc6de43c92ad80c
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x564a2c504187 - core::result::unwrap_failed::hd83f272814becce6
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x564a2c4a74e8 - core::result::Result<T,E>::expect::h40d9911a6d8814eb
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:879
[INFO] [stderr]   12:     0x564a2c49a5d8 - build_script_build::main::haa3ffe0690ae0973
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:12
[INFO] [stderr]   13:     0x564a2c49ee50 - std::rt::lang_start::{{closure}}::h1da6366756272a7a
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x564a2c4e74d3 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x564a2c4e74d3 - std::panicking::try::do_call::h9d779bc5e27e3284
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x564a2c4ed96a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x564a2c4e7f8d - std::panicking::try::h4af22d9cb0afa351
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x564a2c4e7f8d - std::panic::catch_unwind::hbb68a9ada87bfb97
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x564a2c4e7f8d - std::rt::lang_start_internal::hba9e09d74440ce4d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x564a2c49ee29 - std::rt::lang_start::hef6b4d5f4bc8eaec
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x564a2c49afea - main
[INFO] [stderr]   22:     0x7eff287b42e1 - __libc_start_main
[INFO] [stderr]   23:     0x564a2c48545a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e055f02f5d572bc36fbf5769d588ed463edd5ec3a372f73ceb953b02a20f9b3c"`
[INFO] running `"docker" "rm" "-f" "e055f02f5d572bc36fbf5769d588ed463edd5ec3a372f73ceb953b02a20f9b3c"`
[INFO] [stdout] e055f02f5d572bc36fbf5769d588ed463edd5ec3a372f73ceb953b02a20f9b3c