[INFO] fetching crate grapheme_to_phoneme 0.1.0...
[INFO] testing grapheme_to_phoneme-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate grapheme_to_phoneme 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grapheme_to_phoneme 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grapheme_to_phoneme 0.1.0
[INFO] finished tweaking crates.io crate grapheme_to_phoneme 0.1.0
[INFO] tweaked toml for crates.io crate grapheme_to_phoneme 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 7d34f54211c7f843590370bfb2d27301723b903ee81fe66f7bd457d6d56482e2
[INFO] running `Command { std: "docker" "start" "-a" "7d34f54211c7f843590370bfb2d27301723b903ee81fe66f7bd457d6d56482e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d34f54211c7f843590370bfb2d27301723b903ee81fe66f7bd457d6d56482e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d34f54211c7f843590370bfb2d27301723b903ee81fe66f7bd457d6d56482e2", kill_on_drop: false }`
[INFO] [stdout] 7d34f54211c7f843590370bfb2d27301723b903ee81fe66f7bd457d6d56482e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57eb0fa197b09ca433224a61541ec19bba416d755e6709d001b05ccc1b6d6b34
[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" "57eb0fa197b09ca433224a61541ec19bba416d755e6709d001b05ccc1b6d6b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling py_literal v0.2.2
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling ndarray-npy v0.5.0
[INFO] [stderr]    Compiling arpabet_types v2.0.0
[INFO] [stderr]    Compiling arpabet_parser v2.0.0
[INFO] [stderr]    Compiling arpabet_cmudict v2.0.0
[INFO] [stderr] error: could not compile `arpabet_cmudict`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name arpabet_cmudict /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arpabet_cmudict-2.0.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=edd8618c06808729 -C extra-filename=-edd8618c06808729 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arpabet_parser=/opt/rustwide/target/debug/deps/libarpabet_parser-b9055cf2ba831d8f.rmeta --extern arpabet_types=/opt/rustwide/target/debug/deps/libarpabet_types-2e99a62b30872f41.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-caba09aa0511260e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-27bd9e77ed307a48.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "57eb0fa197b09ca433224a61541ec19bba416d755e6709d001b05ccc1b6d6b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57eb0fa197b09ca433224a61541ec19bba416d755e6709d001b05ccc1b6d6b34", kill_on_drop: false }`
[INFO] [stdout] 57eb0fa197b09ca433224a61541ec19bba416d755e6709d001b05ccc1b6d6b34