[INFO] updating cached repository robertbrignull/rhythmical
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robertbrignull/rhythmical
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robertbrignull/rhythmical" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/robertbrignull/rhythmical"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/robertbrignull/rhythmical'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robertbrignull/rhythmical" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/robertbrignull/rhythmical"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/robertbrignull/rhythmical'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 120522aa01ccb3e7bb6cc0dfadd9273a0fd2e3e5
[INFO] sha for GitHub repo robertbrignull/rhythmical: 120522aa01ccb3e7bb6cc0dfadd9273a0fd2e3e5
[INFO] validating manifest of robertbrignull/rhythmical on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of robertbrignull/rhythmical on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing robertbrignull/rhythmical
[INFO] finished frobbing robertbrignull/rhythmical
[INFO] frobbed toml for robertbrignull/rhythmical written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/robertbrignull/rhythmical/Cargo.toml
[INFO] started frobbing robertbrignull/rhythmical
[INFO] finished frobbing robertbrignull/rhythmical
[INFO] frobbed toml for robertbrignull/rhythmical written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/robertbrignull/rhythmical/Cargo.toml
[INFO] crate robertbrignull/rhythmical already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking robertbrignull/rhythmical against master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-3/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/robertbrignull/rhythmical:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d2f679bf8c37789365634a898308a620ebbe36df2742089aa41f46074ddf3981
[INFO] running `"docker" "start" "-a" "d2f679bf8c37789365634a898308a620ebbe36df2742089aa41f46074ddf3981"`
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]    Compiling rhythmical v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling rand_jitter v0.1.2
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking gzip-header v0.2.0
[INFO] [stderr]     Checking buf_redux v0.8.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr] error: failed to run custom build command for `rhythmical v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/rhythmical-d434c00c8d9e9371/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:     0x562d71094aaa - backtrace::backtrace::libunwind::trace::h95cf0d6f90455f99
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/libunwind.rs:97
[INFO] [stderr]    1:     0x562d71094aaa - backtrace::backtrace::trace_unsynchronized::hf1bc4b307d386ce0
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562d71094aaa - std::sys_common::backtrace::_print::h17c85b34b8085bc3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x562d71094aaa - std::sys_common::backtrace::print::hcd95718fa811f3ee
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x562d71094aaa - std::panicking::default_hook::{{closure}}::h9a777852f3c432bb
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    5:     0x562d710947ab - std::panicking::default_hook::h20a55232f8970617
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    6:     0x562d7109516f - std::panicking::rust_panic_with_hook::h5522dfdebc12d6f5
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    7:     0x562d71094cf1 - std::panicking::continue_panic_fmt::h2e20e3cd1b619a34
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    8:     0x562d71094bd5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    9:     0x562d710ade1c - core::panicking::panic_fmt::he1d95cf9fc209195
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x562d71089e2e - core::result::unwrap_failed::h000913789bb3666b
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x562d7108a5b7 - core::result::Result<T,E>::unwrap::h76c6e8be9ed5b48a
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x562d7108b5d4 - build_script_build::main::ha615d49242da7f62
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:12
[INFO] [stderr]   13:     0x562d7108507f - std::rt::lang_start::{{closure}}::heb837792ce0c5115
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x562d71094bc2 - std::rt::lang_start_internal::{{closure}}::h6ec740df5798a70a
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x562d71094bc2 - std::panicking::try::do_call::h93c284c7f36c2a33
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   16:     0x562d7109b189 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x562d7109567c - std::panicking::try::h3886393c741bda4e
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]   18:     0x562d7109567c - std::panic::catch_unwind::ha7941002b1d0656b
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x562d7109567c - std::rt::lang_start_internal::h1525a1979960fe11
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x562d71085058 - std::rt::lang_start::h420d8e86bbe26dfc
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x562d7108b9b9 - main
[INFO] [stderr]   22:     0x7f52c3b532e0 - __libc_start_main
[INFO] [stderr]   23:     0x562d71082749 - _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" "d2f679bf8c37789365634a898308a620ebbe36df2742089aa41f46074ddf3981"`
[INFO] running `"docker" "rm" "-f" "d2f679bf8c37789365634a898308a620ebbe36df2742089aa41f46074ddf3981"`
[INFO] [stdout] d2f679bf8c37789365634a898308a620ebbe36df2742089aa41f46074ddf3981