[INFO] fetching crate arpabet 2.0.0...
[INFO] checking arpabet-2.0.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate arpabet 2.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate arpabet 2.0.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arpabet 2.0.0
[INFO] finished tweaking crates.io crate arpabet 2.0.0
[INFO] tweaked toml for crates.io crate arpabet 2.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 442f4f4e13cbe558cdc19aca5df4aa03e721a68fe91f62531f473898c8667fc0
[INFO] running `Command { std: "docker" "start" "-a" "442f4f4e13cbe558cdc19aca5df4aa03e721a68fe91f62531f473898c8667fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "442f4f4e13cbe558cdc19aca5df4aa03e721a68fe91f62531f473898c8667fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442f4f4e13cbe558cdc19aca5df4aa03e721a68fe91f62531f473898c8667fc0", kill_on_drop: false }`
[INFO] [stdout] 442f4f4e13cbe558cdc19aca5df4aa03e721a68fe91f62531f473898c8667fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6f03d8d982e5c7c3d42180345d24825da4c485efbeedb1e33420b5fec5d1394
[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" "c6f03d8d982e5c7c3d42180345d24825da4c485efbeedb1e33420b5fec5d1394", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[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 regex v1.5.4
[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 phf v0.8.0
[INFO] [stderr]    Compiling arpabet_types v2.0.0
[INFO] [stderr]     Checking 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 --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=aeea17c24b9b5482 -C extra-filename=-aeea17c24b9b5482 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arpabet_parser=/opt/rustwide/target/debug/deps/libarpabet_parser-26b550ea5a57d258.rmeta --extern arpabet_types=/opt/rustwide/target/debug/deps/libarpabet_types-4360a35792bc893b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-014fb1c6e3e5001a.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-b8df9b3b00b5cf78.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-8a0b56cc9a52355b.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c6f03d8d982e5c7c3d42180345d24825da4c485efbeedb1e33420b5fec5d1394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f03d8d982e5c7c3d42180345d24825da4c485efbeedb1e33420b5fec5d1394", kill_on_drop: false }`
[INFO] [stdout] c6f03d8d982e5c7c3d42180345d24825da4c485efbeedb1e33420b5fec5d1394