[INFO] crate gluon 0.11.2 is already in cache
[INFO] extracting crate gluon 0.11.2 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/gluon/0.11.2
[INFO] extracting crate gluon 0.11.2 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/gluon/0.11.2
[INFO] validating manifest of gluon-0.11.2 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gluon-0.11.2 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/gluon/0.11.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gluon-0.11.2 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-7/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ab562c42fa28c112862327f560244447c40c16622511584e41125a9bae353b19
[INFO] running `"docker" "start" "-a" "ab562c42fa28c112862327f560244447c40c16622511584e41125a9bae353b19"`
[INFO] [stderr]    Compiling typed-arena v1.4.1
[INFO] [stderr]    Compiling collect-mac v0.1.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling gluon_vm v0.11.2
[INFO] [stderr]     Checking union-find v0.3.2
[INFO] [stderr]     Checking frunk_core v0.2.4
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling gluon_codegen v0.11.2
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking codespan v0.2.1
[INFO] [stderr]     Checking tensile v0.4.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling pretty v0.5.2
[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]    Compiling serde_derive_state v0.4.4
[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-bfdf2330a28b7267/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:     0x56194d694f23 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb4e030b29f98d86f
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x56194d690c4b - std::sys_common::backtrace::_print::h44872227d8b770d4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x56194d693cf6 - std::panicking::default_hook::{{closure}}::hd181a7e0ad3700ab
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x56194d693a8b - std::panicking::default_hook::h0b98855e63e3b4cb
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x56194d69434f - std::panicking::rust_panic_with_hook::ha323ba5aa88f36f2
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x56194d693ed1 - std::panicking::continue_panic_fmt::h240b5680b02e1846
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x56194d693e1e - std::panicking::begin_panic_fmt::h23f98686d58b3667
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x56194d64b78e - build_script_build::check_test_declarations_in_cargo_file::h4c936f1bd52e05ea
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:134
[INFO] [stderr]    8:     0x56194d64cb01 - build_script_build::main::ha8a1d2ff717340d8
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:216
[INFO] [stderr]    9:     0x56194d64ec4f - std::rt::lang_start::{{closure}}::h5d8a4aad2e464d40
[INFO] [stderr]                                at /rustc/58b21121d0b447ceb3f1a655155d802191acf044/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x56194d693da2 - std::panicking::try::do_call::he7eba20f8beb30e4
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   11:     0x56194d696b69 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   12:     0x56194d69485c - std::rt::lang_start_internal::hedb14d415182a710
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   13:     0x56194d64ec28 - std::rt::lang_start::hc1f48c8b33617610
[INFO] [stderr]                                at /rustc/58b21121d0b447ceb3f1a655155d802191acf044/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x56194d64cc19 - main
[INFO] [stderr]   15:     0x7fa3c94642e0 - __libc_start_main
[INFO] [stderr]   16:     0x56194d63c919 - _start
[INFO] [stderr]   17:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ab562c42fa28c112862327f560244447c40c16622511584e41125a9bae353b19"`
[INFO] running `"docker" "rm" "-f" "ab562c42fa28c112862327f560244447c40c16622511584e41125a9bae353b19"`
[INFO] [stdout] ab562c42fa28c112862327f560244447c40c16622511584e41125a9bae353b19