[INFO] fetching crate rustgym-testcpp 0.1.0...
[INFO] checking rustgym-testcpp-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate rustgym-testcpp 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustgym-testcpp 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustgym-testcpp 0.1.0
[INFO] finished tweaking crates.io crate rustgym-testcpp 0.1.0
[INFO] tweaked toml for crates.io crate rustgym-testcpp 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 7fb5467fd54c3e650002dd2b7ed6d7b826ed4257325a6b1b4203c6a812afa5c1
[INFO] running `Command { std: "docker" "start" "-a" "7fb5467fd54c3e650002dd2b7ed6d7b826ed4257325a6b1b4203c6a812afa5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb5467fd54c3e650002dd2b7ed6d7b826ed4257325a6b1b4203c6a812afa5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb5467fd54c3e650002dd2b7ed6d7b826ed4257325a6b1b4203c6a812afa5c1", kill_on_drop: false }`
[INFO] [stdout] 7fb5467fd54c3e650002dd2b7ed6d7b826ed4257325a6b1b4203c6a812afa5c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94dc2b0d78fbd0680ec8689dd9e000fe40eec86a53a71af7d194fc6077b50c4a
[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" "94dc2b0d78fbd0680ec8689dd9e000fe40eec86a53a71af7d194fc6077b50c4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling rustgym-testcpp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "94dc2b0d78fbd0680ec8689dd9e000fe40eec86a53a71af7d194fc6077b50c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94dc2b0d78fbd0680ec8689dd9e000fe40eec86a53a71af7d194fc6077b50c4a", kill_on_drop: false }`
[INFO] [stdout] 94dc2b0d78fbd0680ec8689dd9e000fe40eec86a53a71af7d194fc6077b50c4a