[INFO] updating cached repository https://github.com/Tyler-Zhang/words-with-coworkers-slack-bot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 66e742f074e20a0f3be594af6eab15aaf11f922c
[INFO] testing Tyler-Zhang/words-with-coworkers-slack-bot against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyler-Zhang%2Fwords-with-coworkers-slack-bot" "work/builds/worker-9/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tyler-Zhang/words-with-coworkers-slack-bot on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Tyler-Zhang/words-with-coworkers-slack-bot
[INFO] finished tweaking git repo https://github.com/Tyler-Zhang/words-with-coworkers-slack-bot
[INFO] tweaked toml for git repo https://github.com/Tyler-Zhang/words-with-coworkers-slack-bot written to work/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Tyler-Zhang/words-with-coworkers-slack-bot already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] fd9aed299f753a5bc4a9fcd408a29f3fb3c8f8d730c1868ea3ff4bfff659e4d1
[INFO] running `"docker" "start" "-a" "fd9aed299f753a5bc4a9fcd408a29f3fb3c8f8d730c1868ea3ff4bfff659e4d1"`
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling serde v1.0.64
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling pq-sys v0.4.5
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling pear v0.0.17
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling pear_codegen v0.0.17
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling rocket v0.3.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]    Compiling rocket_codegen v0.3.11
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.0.17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-fb800eb7095fc1fa/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Pear requires a nightly or dev version of Rust.
[INFO] [stderr] Installed version is: 1.39.0-beta.2 (2019-09-27). Minimum required: 1.27.0-nightly (2018-04-14).
[INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.17/build.rs:31:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x557acb1b1924 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x557acb1b1924 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x557acb1b1924 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x557acb1b1924 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2b7ac01d5feaf9b2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x557acb1cf3ec - core::fmt::write::h7fd0d904495c035f
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x557acb1af177 - std::io::Write::write_fmt::h663e4bf63637c947
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x557acb1b3ca5 - std::sys_common::backtrace::_print::h4c743f7c274a5a74
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x557acb1b3ca5 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x557acb1b3ca5 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x557acb1b3996 - std::panicking::default_hook::hd8ec13ee1bc2a65a
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x557acb1b42f5 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x557acb1892df - std::panicking::begin_panic::ha5dc3c4c49048b79
[INFO] [stderr]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:407
[INFO] [stderr]   12:     0x557acb18711a - build_script_build::main::h97a85063a5c87fa4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.17/build.rs:31
[INFO] [stderr]   13:     0x557acb188820 - std::rt::lang_start::{{closure}}::h76f7a502c3cf2c8a
[INFO] [stderr]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x557acb1b3d73 - std::rt::lang_start_internal::{{closure}}::hf85bf15597d76295
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x557acb1b3d73 - std::panicking::try::do_call::hd308ec0604b9bc21
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   16:     0x557acb1ba00a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x557acb1b47ed - std::panicking::try::hafc45125a5bd2b22
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   18:     0x557acb1b47ed - std::panic::catch_unwind::h8494678ec44c4b51
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x557acb1b47ed - std::rt::lang_start_internal::h7404667a595739f8
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x557acb1887f9 - std::rt::lang_start::hf4aac8e1d90ad51f
[INFO] [stderr]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x557acb187efa - main
[INFO] [stderr]   22:     0x7f5531a27b97 - __libc_start_main
[INFO] [stderr]   23:     0x557acb186a6a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `rocket v0.3.11`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket-770dac7d7071ac13/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Rocket requires a nightly or dev version of Rust.
[INFO] [stderr] Installed version is: 1.39.0-beta.2 (2019-09-27). Minimum required: 1.27.0-nightly (2018-04-26).
[INFO] [stderr] See the getting started guide (https://rocket.rs/guide/getting-started/) for more information.
[INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.3.11/build.rs:38:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55f11cc53b54 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55f11cc53b54 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55f11cc53b54 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x55f11cc53b54 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2b7ac01d5feaf9b2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x55f11cc7161c - core::fmt::write::h7fd0d904495c035f
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x55f11cc513a7 - std::io::Write::write_fmt::h663e4bf63637c947
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55f11cc55ed5 - std::sys_common::backtrace::_print::h4c743f7c274a5a74
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x55f11cc55ed5 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55f11cc55ed5 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x55f11cc55bc6 - std::panicking::default_hook::hd8ec13ee1bc2a65a
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x55f11cc56525 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x55f11cc2b50f - std::panicking::begin_panic::h8de6298fef618210
[INFO] [stderr]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:407
[INFO] [stderr]   12:     0x55f11cc29346 - build_script_build::main::h0f0214a196b8de99
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.3.11/build.rs:38
[INFO] [stderr]   13:     0x55f11cc2aa50 - std::rt::lang_start::{{closure}}::hda64e08f15c1082d
[INFO] [stderr]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55f11cc55fa3 - std::rt::lang_start_internal::{{closure}}::hf85bf15597d76295
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55f11cc55fa3 - std::panicking::try::do_call::hd308ec0604b9bc21
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   16:     0x55f11cc5c23a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x55f11cc56a1d - std::panicking::try::hafc45125a5bd2b22
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   18:     0x55f11cc56a1d - std::panic::catch_unwind::h8494678ec44c4b51
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x55f11cc56a1d - std::rt::lang_start_internal::h7404667a595739f8
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55f11cc2aa29 - std::rt::lang_start::hd9f34a02c2df9300
[INFO] [stderr]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55f11cc2a12a - main
[INFO] [stderr]   22:     0x7f5f196ccb97 - __libc_start_main
[INFO] [stderr]   23:     0x55f11cc28a6a - _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" "fd9aed299f753a5bc4a9fcd408a29f3fb3c8f8d730c1868ea3ff4bfff659e4d1"`
[INFO] running `"docker" "rm" "-f" "fd9aed299f753a5bc4a9fcd408a29f3fb3c8f8d730c1868ea3ff4bfff659e4d1"`
[INFO] [stdout] fd9aed299f753a5bc4a9fcd408a29f3fb3c8f8d730c1868ea3ff4bfff659e4d1