[INFO] crate gluon 0.11.2 is already in cache
[INFO] extracting crate gluon 0.11.2 into work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/gluon/0.11.2
[INFO] extracting crate gluon 0.11.2 into work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/gluon/0.11.2
[INFO] validating manifest of gluon-0.11.2 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 gluon-0.11.2 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 gluon-0.11.2
[INFO] removed 2 missing examples
[INFO] removed 20 missing tests
[INFO] finished frobbing gluon-0.11.2
[INFO] frobbed toml for gluon-0.11.2 written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/gluon/0.11.2/Cargo.toml
[INFO] started frobbing gluon-0.11.2
[INFO] removed 2 missing examples
[INFO] removed 20 missing tests
[INFO] finished frobbing gluon-0.11.2
[INFO] frobbed toml for gluon-0.11.2 written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/gluon/0.11.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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 gluon-0.11.2 against master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-0/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/gluon/0.11.2:/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] 31bec50b258f3c92ba626dd3eebc143e9441f51bd5dc1586adcff55e40ed1d71
[INFO] running `"docker" "start" "-a" "31bec50b258f3c92ba626dd3eebc143e9441f51bd5dc1586adcff55e40ed1d71"`
[INFO] [stderr]    Compiling gluon_vm v0.11.2
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking bincode v1.1.4
[INFO] [stderr]    Compiling codespan v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking tensile v0.4.0
[INFO] [stderr]     Checking codespan-reporting v0.2.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking gluon_base v0.11.2
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]     Checking gluon_check v0.11.2
[INFO] [stderr]     Checking gluon_format v0.11.2
[INFO] [stderr]     Checking gluon_completion v0.11.2
[INFO] [stderr]    Compiling gluon v0.11.2 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]    --> build.rs:112:29
[INFO] [stderr]     |
[INFO] [stderr] 6   | use std::fs::File;
[INFO] [stderr]     |     ------------- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 112 |     use std::fs::{read_dir, File};
[INFO] [stderr]     |                             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `gluon v0.11.2 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/gluon-af9baf89885bbacf/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Test `parallel` must be declared in Cargo.toml, otherwise it does not run', build.rs:134:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b9a3a373ca - 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:     0x55b9a3a373ca - 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:     0x55b9a3a373ca - std::sys_common::backtrace::_print::h17c85b34b8085bc3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55b9a3a373ca - std::sys_common::backtrace::print::hcd95718fa811f3ee
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55b9a3a373ca - std::panicking::default_hook::{{closure}}::h9a777852f3c432bb
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    5:     0x55b9a3a370cb - std::panicking::default_hook::h20a55232f8970617
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    6:     0x55b9a3a37a8f - std::panicking::rust_panic_with_hook::h5522dfdebc12d6f5
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    7:     0x55b9a3a37611 - std::panicking::continue_panic_fmt::h2e20e3cd1b619a34
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    8:     0x55b9a3a3755e - std::panicking::begin_panic_fmt::h690807d385028725
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    9:     0x55b9a39eee0e - build_script_build::check_test_declarations_in_cargo_file::h1ceb62962f06c436
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:134
[INFO] [stderr]   10:     0x55b9a39f0181 - build_script_build::main::h8957c8fd855cc108
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:216
[INFO] [stderr]   11:     0x55b9a39ed37f - std::rt::lang_start::{{closure}}::h2eb0cbf83c604501
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55b9a3a374e2 - std::rt::lang_start_internal::{{closure}}::h6ec740df5798a70a
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   13:     0x55b9a3a374e2 - std::panicking::try::do_call::h93c284c7f36c2a33
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x55b9a3a3a009 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15:     0x55b9a3a37f9c - std::panicking::try::h3886393c741bda4e
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]   16:     0x55b9a3a37f9c - std::panic::catch_unwind::ha7941002b1d0656b
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   17:     0x55b9a3a37f9c - std::rt::lang_start_internal::h1525a1979960fe11
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   18:     0x55b9a39ed358 - std::rt::lang_start::h7d3614d594487f6f
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x55b9a39f0299 - main
[INFO] [stderr]   20:     0x7f55abea82e0 - __libc_start_main
[INFO] [stderr]   21:     0x55b9a39df5d9 - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "31bec50b258f3c92ba626dd3eebc143e9441f51bd5dc1586adcff55e40ed1d71"`
[INFO] running `"docker" "rm" "-f" "31bec50b258f3c92ba626dd3eebc143e9441f51bd5dc1586adcff55e40ed1d71"`
[INFO] [stdout] 31bec50b258f3c92ba626dd3eebc143e9441f51bd5dc1586adcff55e40ed1d71