[INFO] fetching crate gluon 0.17.2...
[INFO] testing gluon-0.17.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate gluon 0.17.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate gluon 0.17.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gluon 0.17.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate gluon 0.17.2
[INFO] tweaked toml for crates.io crate gluon 0.17.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate gluon 0.17.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.12
[INFO] [stderr]   Downloaded backtrace v0.3.50
[INFO] [stderr]   Downloaded async-trait v0.1.36
[INFO] [stderr]   Downloaded tracing v0.1.18
[INFO] [stderr]   Downloaded termios v0.3.2
[INFO] [stderr]   Downloaded tracing-core v0.1.13
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.9
[INFO] [stderr]   Downloaded structopt v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b33009a0395346f991a535340f854fd30a73e17bb62dce8d73ae52bd84ad4af
[INFO] running `Command { std: "docker" "start" "-a" "8b33009a0395346f991a535340f854fd30a73e17bb62dce8d73ae52bd84ad4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b33009a0395346f991a535340f854fd30a73e17bb62dce8d73ae52bd84ad4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b33009a0395346f991a535340f854fd30a73e17bb62dce8d73ae52bd84ad4af", kill_on_drop: false }`
[INFO] [stdout] 8b33009a0395346f991a535340f854fd30a73e17bb62dce8d73ae52bd84ad4af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1429e00db6a3010a5e14fa2521245cebccdad50697e9970dcf1d98ab52a59fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1429e00db6a3010a5e14fa2521245cebccdad50697e9970dcf1d98ab52a59fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling collect-mac v0.1.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.0
[INFO] [stderr]    Compiling gluon_vm v0.17.2
[INFO] [stderr]    Compiling frunk_core v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling archery v0.3.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling ordered-float v2.0.0
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rpds v0.7.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling pretty v0.10.0
[INFO] [stderr]    Compiling codespan v0.9.5
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling gluon_codegen v0.17.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling gluon-salsa-macros v0.15.2
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling gluon_base v0.17.2
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling gluon_check v0.17.2
[INFO] [stderr]    Compiling gluon_format v0.17.2
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling gluon v0.17.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling gluon-salsa v0.15.2
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling lalrpop v0.19.0
[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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.19.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=8205cd0d73f01275 -C extra-filename=-8205cd0d73f01275 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ascii_canvas=/opt/rustwide/target/debug/deps/libascii_canvas-4aa7d3edc92afb69.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-30216741e5794c7d.rmeta --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-a5d3fd51b9931cbb.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-e629ebc1fd653939.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-9e54d190dd239600.rmeta --extern ena=/opt/rustwide/target/debug/deps/libena-14c04c24d6856aed.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-904116146ded0b03.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-b61eeb4434fe0f7f.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-5909da027a4ead52.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7e54aceed60f31bf.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-ecd352392faaf83d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b0e56f89c781841b.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-45310108aa6fe75a.so --extern sha2=/opt/rustwide/target/debug/deps/libsha2-1c3939a4dac12534.rmeta --extern string_cache=/opt/rustwide/target/debug/deps/libstring_cache-d9c2c8c866733410.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-413de3570c51d4d6.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ee0227a60781e0f.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 `Command { std: "docker" "inspect" "c1429e00db6a3010a5e14fa2521245cebccdad50697e9970dcf1d98ab52a59fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1429e00db6a3010a5e14fa2521245cebccdad50697e9970dcf1d98ab52a59fa", kill_on_drop: false }`
[INFO] [stdout] c1429e00db6a3010a5e14fa2521245cebccdad50697e9970dcf1d98ab52a59fa