[INFO] cloning repository https://github.com/comnik/declarative-dataflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comnik/declarative-dataflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dcc3c649c80faa43d145d8327a4b70d03bd8c17
[INFO] checking comnik/declarative-dataflow against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comnik/declarative-dataflow on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] finished tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] tweaked toml for git repo https://github.com/comnik/declarative-dataflow written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Updating git repository `https://github.com/TimelyDataflow/differential-dataflow`
[INFO] [stderr] Updating git repository `https://github.com/TimelyDataflow/timely-dataflow`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15fc9b35ce493732db9e477ca832faad141cf1aebae2115e3734b696e9d62a60
[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" "15fc9b35ce493732db9e477ca832faad141cf1aebae2115e3734b696e9d62a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15fc9b35ce493732db9e477ca832faad141cf1aebae2115e3734b696e9d62a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15fc9b35ce493732db9e477ca832faad141cf1aebae2115e3734b696e9d62a60", kill_on_drop: false }`
[INFO] [stdout] 15fc9b35ce493732db9e477ca832faad141cf1aebae2115e3734b696e9d62a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2fe9dc047b4f4a35dce64ecee9f727a756937c5e720d7531ef08096550c133f
[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" "d2fe9dc047b4f4a35dce64ecee9f727a756937c5e720d7531ef08096550c133f", kill_on_drop: false }`
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Compiling proc-macro2 v1.0.24
[INFO] [stderr] Compiling unicode-xid v0.2.1
[INFO] [stderr] Compiling syn v1.0.60
[INFO] [stderr] Compiling serde v1.0.123
[INFO] [stderr] Checking cfg-if v1.0.0
[INFO] [stderr] Compiling byteorder v1.3.4
[INFO] [stderr] Compiling proc-macro-hack v0.5.19
[INFO] [stderr] Checking lazy_static v1.4.0
[INFO] [stderr] Checking unicode-width v0.1.8
[INFO] [stderr] Compiling memchr v2.3.4
[INFO] [stderr] Checking timely_logging v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#84b11167)
[INFO] [stderr] Checking pin-utils v0.1.0
[INFO] [stderr] Compiling libc v0.2.86
[INFO] [stderr] Checking timely_bytes v0.11.0 (https://github.com/TimelyDataflow/timely-dataflow#84b11167)
[INFO] [stderr] Checking slab v0.4.2
[INFO] [stderr] Checking abomonation v0.7.3
[INFO] [stderr] Checking fnv v1.0.7
[INFO] [stderr] Checking quick-error v1.2.3
[INFO] [stderr] Checking termcolor v1.1.2
[INFO] [stderr] Checking getopts v0.2.21
[INFO] [stderr] Checking log v0.4.14
[INFO] [stderr] Checking humantime v1.3.0
[INFO] [stderr] Compiling crossbeam-utils v0.8.3
[INFO] [stderr] Compiling num-traits v0.2.14
[INFO] [stderr] Compiling num-integer v0.1.44
[INFO] [stderr] Compiling num-bigint v0.2.6
[INFO] [stderr] Compiling num-rational v0.2.4
[INFO] [stderr] Checking aho-corasick v0.7.15
[INFO] [stderr] Compiling quote v1.0.9
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Checking crossbeam-channel v0.5.0
[INFO] [stderr] Checking regex v1.4.3
[INFO] [stderr] Checking env_logger v0.5.13
[INFO] [stderr] Checking bincode v1.3.2
[INFO] [stderr] Checking uuid v0.7.4
[INFO] [stderr] Compiling synstructure v0.12.4
[INFO] [stderr] Compiling abomonation_derive v0.5.0
[INFO] [stderr] Compiling serde_derive v1.0.123
[INFO] [stderr] Compiling futures-macro v0.3.13
[INFO] [stderr] Checking futures-util v0.3.13
[INFO] [stderr] Checking timely_communication v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#84b11167)
[INFO] [stderr] Checking timely v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#84b11167)
[INFO] [stderr] Checking differential-dataflow v0.11.0 (https://github.com/TimelyDataflow/differential-dataflow#cdb9b709)
[INFO] [stderr] Checking declarative-dataflow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] --> src/binding/mod.rs:20:43
[INFO] [stdout] |
[INFO] [stdout] 20 | fn required_to_extend(&self, prefix: &AsBinding, target: Var) -> Option