[INFO] updating cached repository band-of-four/joebot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/band-of-four/joebot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/band-of-four/joebot" "work/ex/beta-1.37-6/sources/1.36.0/gh/band-of-four/joebot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/band-of-four/joebot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/band-of-four/joebot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/band-of-four/joebot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/band-of-four/joebot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee05156c1473d9a38a6a1abb770c55e440600d62
[INFO] sha for GitHub repo band-of-four/joebot: ee05156c1473d9a38a6a1abb770c55e440600d62
[INFO] validating manifest of band-of-four/joebot on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of band-of-four/joebot on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing band-of-four/joebot
[INFO] finished frobbing band-of-four/joebot
[INFO] frobbed toml for band-of-four/joebot written to work/ex/beta-1.37-6/sources/1.36.0/gh/band-of-four/joebot/Cargo.toml
[INFO] started frobbing band-of-four/joebot
[INFO] finished frobbing band-of-four/joebot
[INFO] frobbed toml for band-of-four/joebot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/band-of-four/joebot/Cargo.toml
[INFO] crate band-of-four/joebot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing band-of-four/joebot against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/band-of-four/joebot:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f3f4df2af0933d755915264f56603238a149b00946578bde16e27ad3dc9b939b
[INFO] running `"docker" "start" "-a" "f3f4df2af0933d755915264f56603238a149b00946578bde16e27ad3dc9b939b"`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.2
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling openssl v0.10.18
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.16
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling redis v0.9.1
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling openssl-sys v0.9.41
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling libflate v0.1.20
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling combine v3.6.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling http v0.1.16
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling uuid v0.7.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling h2 v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling hyper v0.12.24
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.10
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling joebot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `joebot v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/joebot-3020da0ab718d514/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x557a4d668e1b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x557a4d668e1b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x557a4d668e1b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x557a4d668e1b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x557a4d668e1b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x557a4d668af7 - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x557a4d669530 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x557a4d6690b2 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x557a4d668f96 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x557a4d68188d - core::panicking::panic_fmt::h8980489a6c4a44cb
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x557a4d5aae23 - core::result::unwrap_failed::ha6088b60126220ff
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x557a4d5adcb8 - core::result::Result<T,E>::unwrap::h9430e210551f366e
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x557a4d5ed50c - build_script_build::main::he20702ebce225e42
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:19
[INFO] [stderr]   13:     0x557a4d5bb380 - std::rt::lang_start::{{closure}}::h3a2dd2da0cdd0a80
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x557a4d668f33 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x557a4d668f33 - std::panicking::try::do_call::h480cafa68c9928b4
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x557a4d66ae9a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x557a4d669a3d - std::panicking::try::he0549d0299de204a
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x557a4d669a3d - std::panic::catch_unwind::h422dc2db98f03517
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x557a4d669a3d - std::rt::lang_start_internal::h121de03325a3f900
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x557a4d5bb359 - std::rt::lang_start::h30a58c581f8728b2
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x557a4d5f21ba - main
[INFO] [stderr]   22:     0x7f175d5f82e1 - __libc_start_main
[INFO] [stderr]   23:     0x557a4d555d2a - _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" "f3f4df2af0933d755915264f56603238a149b00946578bde16e27ad3dc9b939b"`
[INFO] running `"docker" "rm" "-f" "f3f4df2af0933d755915264f56603238a149b00946578bde16e27ad3dc9b939b"`
[INFO] [stdout] f3f4df2af0933d755915264f56603238a149b00946578bde16e27ad3dc9b939b