[INFO] updating cached repository gluon-lang/gluon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gluon-lang/gluon
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gluon-lang/gluon" "work/ex/beta-1.38-1/sources/1.37.0/gh/gluon-lang/gluon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gluon-lang/gluon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gluon-lang/gluon" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gluon-lang/gluon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gluon-lang/gluon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b44c202ef17f2974e18d0b5998ac847f684b652
[INFO] sha for GitHub repo gluon-lang/gluon: 7b44c202ef17f2974e18d0b5998ac847f684b652
[INFO] validating manifest of gluon-lang/gluon on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gluon-lang/gluon on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gluon-lang/gluon
[INFO] removed 1 missing examples
[INFO] removed 1 missing tests
[INFO] removed workspace from gluon-lang/gluon
[INFO] removed path dependency gluon_base from gluon-lang/gluon
[INFO] removed path dependency gluon_check from gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from gluon-lang/gluon
[INFO] removed path dependency gluon_format from gluon-lang/gluon
[INFO] removed path dependency gluon_parser from gluon-lang/gluon
[INFO] removed path dependency gluon_vm from gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from gluon-lang/gluon
[INFO] removed path dependency gluon_completion from gluon-lang/gluon
[INFO] removed path dependency gluon_base from gluon-lang/gluon
[INFO] finished frobbing gluon-lang/gluon
[INFO] frobbed toml for gluon-lang/gluon written to work/ex/beta-1.38-1/sources/1.37.0/gh/gluon-lang/gluon/Cargo.toml
[INFO] started frobbing gluon-lang/gluon
[INFO] removed 1 missing examples
[INFO] removed 1 missing tests
[INFO] removed workspace from gluon-lang/gluon
[INFO] removed path dependency gluon_base from gluon-lang/gluon
[INFO] removed path dependency gluon_check from gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from gluon-lang/gluon
[INFO] removed path dependency gluon_format from gluon-lang/gluon
[INFO] removed path dependency gluon_parser from gluon-lang/gluon
[INFO] removed path dependency gluon_vm from gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from gluon-lang/gluon
[INFO] removed path dependency gluon_completion from gluon-lang/gluon
[INFO] removed path dependency gluon_base from gluon-lang/gluon
[INFO] finished frobbing gluon-lang/gluon
[INFO] frobbed toml for gluon-lang/gluon written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gluon-lang/gluon/Cargo.toml
[INFO] crate gluon-lang/gluon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gluon-lang/gluon/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.8.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gluon-lang/gluon against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gluon-lang/gluon:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 03eae4642fb117d01c9a89c50086b27007fd91ce00924a91f6f21a508256eaa7
[INFO] running `"docker" "start" "-a" "03eae4642fb117d01c9a89c50086b27007fd91ce00924a91f6f21a508256eaa7"`
[INFO] [stderr]    Compiling libc v0.2.63
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling collect-mac v0.1.0
[INFO] [stderr]    Compiling rpds v0.5.0
[INFO] [stderr]    Compiling gluon_vm v0.11.2
[INFO] [stderr]    Compiling frunk_core v0.2.4
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling gluon_codegen v0.11.2
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling codespan v0.2.1
[INFO] [stderr]    Compiling codespan v0.3.0
[INFO] [stderr]    Compiling codespan-reporting v0.3.0
[INFO] [stderr]    Compiling codespan-reporting v0.2.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling gluon_base v0.11.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling gluon_check v0.11.2
[INFO] [stderr]    Compiling gluon_format v0.11.2
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling gluon v0.11.2 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `lalrpop`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name lalrpop /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.3/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=6a8868dc05b7d45b -C extra-filename=-6a8868dc05b7d45b --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern ascii_canvas=/opt/crater/target/debug/deps/libascii_canvas-4af14c8367177c1b.rmeta --extern atty=/opt/crater/target/debug/deps/libatty-36da6220ff37b13e.rmeta --extern bit_set=/opt/crater/target/debug/deps/libbit_set-089248f87181368e.rmeta --extern diff=/opt/crater/target/debug/deps/libdiff-e108cab059a1fabf.rmeta --extern docopt=/opt/crater/target/debug/deps/libdocopt-f90989bb71572875.rmeta --extern ena=/opt/crater/target/debug/deps/libena-2e1db24c4b355a80.rmeta --extern itertools=/opt/crater/target/debug/deps/libitertools-9dd23d04e7f30d9f.rmeta --extern lalrpop_util=/opt/crater/target/debug/deps/liblalrpop_util-cf66642625e8bbec.rmeta --extern petgraph=/opt/crater/target/debug/deps/libpetgraph-0342de6fc4669b92.rmeta --extern regex=/opt/crater/target/debug/deps/libregex-614e19ab08a7526d.rmeta --extern regex_syntax=/opt/crater/target/debug/deps/libregex_syntax-bd99c61924ee7656.rmeta --extern serde=/opt/crater/target/debug/deps/libserde-50e5d46514dccf4f.rmeta --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-080adf51b2cd98e4.so --extern sha2=/opt/crater/target/debug/deps/libsha2-c601682a0634517a.rmeta --extern string_cache=/opt/crater/target/debug/deps/libstring_cache-ff5bd61140ee9081.rmeta --extern term=/opt/crater/target/debug/deps/libterm-4887c3af6eb430fc.rmeta --extern unicode_xid=/opt/crater/target/debug/deps/libunicode_xid-8d0f27a2dfe05cf6.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "03eae4642fb117d01c9a89c50086b27007fd91ce00924a91f6f21a508256eaa7"`
[INFO] running `"docker" "rm" "-f" "03eae4642fb117d01c9a89c50086b27007fd91ce00924a91f6f21a508256eaa7"`
[INFO] [stdout] 03eae4642fb117d01c9a89c50086b27007fd91ce00924a91f6f21a508256eaa7