[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 master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[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 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea85d9210ebccc649e91c1989d9797bc82f42b26d61583325485829034ed9aa9
[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" "ea85d9210ebccc649e91c1989d9797bc82f42b26d61583325485829034ed9aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea85d9210ebccc649e91c1989d9797bc82f42b26d61583325485829034ed9aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea85d9210ebccc649e91c1989d9797bc82f42b26d61583325485829034ed9aa9", kill_on_drop: false }`
[INFO] [stdout] ea85d9210ebccc649e91c1989d9797bc82f42b26d61583325485829034ed9aa9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 83ed416131efeb206bef0d758d354ae5fa6e1a1a029ce3e4127266ff584f03a7
[INFO] running `Command { std: "docker" "start" "-a" "83ed416131efeb206bef0d758d354ae5fa6e1a1a029ce3e4127266ff584f03a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[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 crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling synstructure v0.12.4
[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 30.08s
[INFO] running `Command { std: "docker" "inspect" "83ed416131efeb206bef0d758d354ae5fa6e1a1a029ce3e4127266ff584f03a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ed416131efeb206bef0d758d354ae5fa6e1a1a029ce3e4127266ff584f03a7", kill_on_drop: false }`
[INFO] [stdout] 83ed416131efeb206bef0d758d354ae5fa6e1a1a029ce3e4127266ff584f03a7