[INFO] cloning repository https://github.com/ruchirK/life-differential
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruchirK/life-differential" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruchirK%2Flife-differential", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruchirK%2Flife-differential'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25533ba4a5216812f07a5be588ffcb98369977d9
[INFO] checking ruchirK/life-differential against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruchirK%2Flife-differential" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruchirK/life-differential on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruchirK/life-differential
[INFO] finished tweaking git repo https://github.com/ruchirK/life-differential
[INFO] tweaked toml for git repo https://github.com/ruchirK/life-differential written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ruchirK/life-differential already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b72ffc70ae42693e7944cc7f6128d133723657b572d1ce65ad431af74dc2735
[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" "5b72ffc70ae42693e7944cc7f6128d133723657b572d1ce65ad431af74dc2735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b72ffc70ae42693e7944cc7f6128d133723657b572d1ce65ad431af74dc2735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b72ffc70ae42693e7944cc7f6128d133723657b572d1ce65ad431af74dc2735", kill_on_drop: false }`
[INFO] [stdout] 5b72ffc70ae42693e7944cc7f6128d133723657b572d1ce65ad431af74dc2735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b45b5516de1e68a9d627fab01e57936cb12b8ce36d77ef700f0c406cd4604a3
[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" "2b45b5516de1e68a9d627fab01e57936cb12b8ce36d77ef700f0c406cd4604a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking timely_logging v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#b8338e52)
[INFO] [stderr]     Checking timely_bytes v0.11.0 (https://github.com/TimelyDataflow/timely-dataflow#b8338e52)
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking timely_sort v0.1.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]     Checking timely_communication v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#b8338e52)
[INFO] [stderr]     Checking timely v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#b8338e52)
[INFO] [stderr]     Checking differential-dataflow v0.11.0 (https://github.com/TimelyDataflow/differential-dataflow#b1355d37)
[INFO] [stderr]     Checking life-differential v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.14s
[INFO] running `Command { std: "docker" "inspect" "2b45b5516de1e68a9d627fab01e57936cb12b8ce36d77ef700f0c406cd4604a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b45b5516de1e68a9d627fab01e57936cb12b8ce36d77ef700f0c406cd4604a3", kill_on_drop: false }`
[INFO] [stdout] 2b45b5516de1e68a9d627fab01e57936cb12b8ce36d77ef700f0c406cd4604a3