[INFO] fetching crate arpabet_cmudict 2.0.0...
[INFO] testing arpabet_cmudict-2.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate arpabet_cmudict 2.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate arpabet_cmudict 2.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arpabet_cmudict 2.0.0
[INFO] finished tweaking crates.io crate arpabet_cmudict 2.0.0
[INFO] tweaked toml for crates.io crate arpabet_cmudict 2.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4576c05ba6a418cdc6d227f32511b3353db5c19206ec021bef441b0a85f82c02
[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" "4576c05ba6a418cdc6d227f32511b3353db5c19206ec021bef441b0a85f82c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4576c05ba6a418cdc6d227f32511b3353db5c19206ec021bef441b0a85f82c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4576c05ba6a418cdc6d227f32511b3353db5c19206ec021bef441b0a85f82c02", kill_on_drop: false }`
[INFO] [stdout] 4576c05ba6a418cdc6d227f32511b3353db5c19206ec021bef441b0a85f82c02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 565c2f15c4cd43493475918f8a402deb4f9ac1f10e58622a91b5d360ccfa8754
[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" "565c2f15c4cd43493475918f8a402deb4f9ac1f10e58622a91b5d360ccfa8754", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling phf_shared v0.8.0
[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 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]    Compiling arpabet_parser v2.0.0
[INFO] [stderr]    Compiling arpabet_cmudict v2.0.0 (/opt/rustwide/workdir)
[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 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=fa64c89550e6fa60 -C extra-filename=-fa64c89550e6fa60 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arpabet_parser=/opt/rustwide/target/debug/deps/libarpabet_parser-c6c6383ac7f5fa91.rmeta --extern arpabet_types=/opt/rustwide/target/debug/deps/libarpabet_types-6208caec0501c9c2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-89351fe39ec441dd.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-62e055e6c3a1f4aa.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "565c2f15c4cd43493475918f8a402deb4f9ac1f10e58622a91b5d360ccfa8754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565c2f15c4cd43493475918f8a402deb4f9ac1f10e58622a91b5d360ccfa8754", kill_on_drop: false }`
[INFO] [stdout] 565c2f15c4cd43493475918f8a402deb4f9ac1f10e58622a91b5d360ccfa8754