[INFO] cloning repository https://github.com/AmruthPillai/Rust-Sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmruthPillai/Rust-Sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmruthPillai%2FRust-Sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmruthPillai%2FRust-Sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2d0e2d0af8a058b2a37099e648c2fedb82ad9ff
[INFO] checking AmruthPillai/Rust-Sandbox against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmruthPillai%2FRust-Sandbox" "/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/AmruthPillai/Rust-Sandbox 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/AmruthPillai/Rust-Sandbox
[INFO] finished tweaking git repo https://github.com/AmruthPillai/Rust-Sandbox
[INFO] tweaked toml for git repo https://github.com/AmruthPillai/Rust-Sandbox written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/AmruthPillai/Rust-Sandbox 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-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 369721c5d05b91273577dd9426b63f2694d9408baee72181b39c2c01d800524b
[INFO] running `Command { std: "docker" "start" "-a" "369721c5d05b91273577dd9426b63f2694d9408baee72181b39c2c01d800524b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "369721c5d05b91273577dd9426b63f2694d9408baee72181b39c2c01d800524b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369721c5d05b91273577dd9426b63f2694d9408baee72181b39c2c01d800524b", kill_on_drop: false }`
[INFO] [stdout] 369721c5d05b91273577dd9426b63f2694d9408baee72181b39c2c01d800524b
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b58d6a0054c5dade16fb94251b6fc9001b044fc2b863d6d5965023996d651192
[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" "b58d6a0054c5dade16fb94251b6fc9001b044fc2b863d6d5965023996d651192", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "b58d6a0054c5dade16fb94251b6fc9001b044fc2b863d6d5965023996d651192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58d6a0054c5dade16fb94251b6fc9001b044fc2b863d6d5965023996d651192", kill_on_drop: false }`
[INFO] [stdout] b58d6a0054c5dade16fb94251b6fc9001b044fc2b863d6d5965023996d651192
