[INFO] cloning repository https://github.com/Armiixteryx/rust_structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Armiixteryx/rust_structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArmiixteryx%2Frust_structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArmiixteryx%2Frust_structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 425d8157cd9ec9e26ac912ab5e78a75a0ae4d02a
[INFO] checking Armiixteryx/rust_structures against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArmiixteryx%2Frust_structures" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Armiixteryx/rust_structures on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Armiixteryx/rust_structures
[INFO] finished tweaking git repo https://github.com/Armiixteryx/rust_structures
[INFO] tweaked toml for git repo https://github.com/Armiixteryx/rust_structures written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Armiixteryx/rust_structures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef8bac8445bb8d80cec0bebb6d6664a5f0f171d175c45772654e959f967771f5
[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" "ef8bac8445bb8d80cec0bebb6d6664a5f0f171d175c45772654e959f967771f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef8bac8445bb8d80cec0bebb6d6664a5f0f171d175c45772654e959f967771f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8bac8445bb8d80cec0bebb6d6664a5f0f171d175c45772654e959f967771f5", kill_on_drop: false }`
[INFO] [stdout] ef8bac8445bb8d80cec0bebb6d6664a5f0f171d175c45772654e959f967771f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 3047442ef705663a293d86a050912f4ad598a41c51245075d1f18c1dbb4d3b09
[INFO] running `Command { std: "docker" "start" "-a" "3047442ef705663a293d86a050912f4ad598a41c51245075d1f18c1dbb4d3b09", kill_on_drop: false }`
[INFO] [stderr]     Checking structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "3047442ef705663a293d86a050912f4ad598a41c51245075d1f18c1dbb4d3b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3047442ef705663a293d86a050912f4ad598a41c51245075d1f18c1dbb4d3b09", kill_on_drop: false }`
[INFO] [stdout] 3047442ef705663a293d86a050912f4ad598a41c51245075d1f18c1dbb4d3b09