[INFO] fetching crate stegos_serialization 0.0.0-stub...
[INFO] checking stegos_serialization-0.0.0-stub against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate stegos_serialization 0.0.0-stub into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate stegos_serialization 0.0.0-stub on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stegos_serialization 0.0.0-stub
[INFO] finished tweaking crates.io crate stegos_serialization 0.0.0-stub
[INFO] tweaked toml for crates.io crate stegos_serialization 0.0.0-stub written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 391df7b6b74b0a59c9c9275780bde5de812076a2c1966dfcf746640ed8e4a7df
[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" "391df7b6b74b0a59c9c9275780bde5de812076a2c1966dfcf746640ed8e4a7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "391df7b6b74b0a59c9c9275780bde5de812076a2c1966dfcf746640ed8e4a7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391df7b6b74b0a59c9c9275780bde5de812076a2c1966dfcf746640ed8e4a7df", kill_on_drop: false }`
[INFO] [stdout] 391df7b6b74b0a59c9c9275780bde5de812076a2c1966dfcf746640ed8e4a7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+075992eda207e1647b699c8c8ada67b32ce7b115" "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] c0e0c94fe8d2c677ab55d78ca307cb0a87897bb93c1706a12d4f038826257a0e
[INFO] running `Command { std: "docker" "start" "-a" "c0e0c94fe8d2c677ab55d78ca307cb0a87897bb93c1706a12d4f038826257a0e", kill_on_drop: false }`
[INFO] [stderr]     Checking stegos_serialization v0.0.0-stub (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c0e0c94fe8d2c677ab55d78ca307cb0a87897bb93c1706a12d4f038826257a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e0c94fe8d2c677ab55d78ca307cb0a87897bb93c1706a12d4f038826257a0e", kill_on_drop: false }`
[INFO] [stdout] c0e0c94fe8d2c677ab55d78ca307cb0a87897bb93c1706a12d4f038826257a0e