[INFO] fetching crate rlay-plugin-interface 0.3.0...
[INFO] checking rlay-plugin-interface-0.3.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate rlay-plugin-interface 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rlay-plugin-interface 0.3.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlay-plugin-interface 0.3.0
[INFO] finished tweaking crates.io crate rlay-plugin-interface 0.3.0
[INFO] tweaked toml for crates.io crate rlay-plugin-interface 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlay_ontology v0.2.6
[INFO] [stderr]   Downloaded rlay-backend v0.3.0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27e8c2fe94c720bc66fdce12349fdaf26dc9853bb4cfd2abd461644344629ec0
[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" "27e8c2fe94c720bc66fdce12349fdaf26dc9853bb4cfd2abd461644344629ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e8c2fe94c720bc66fdce12349fdaf26dc9853bb4cfd2abd461644344629ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e8c2fe94c720bc66fdce12349fdaf26dc9853bb4cfd2abd461644344629ec0", kill_on_drop: false }`
[INFO] [stdout] 27e8c2fe94c720bc66fdce12349fdaf26dc9853bb4cfd2abd461644344629ec0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b58673ff87ea4e1466b1e6d086fd1b7d96615f38c0e9b72b59e032059e7bcae6
[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" "b58673ff87ea4e1466b1e6d086fd1b7d96615f38c0e9b72b59e032059e7bcae6", kill_on_drop: false }`
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling ambassador v0.2.1
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking multihash v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking ethbloom v0.5.3
[INFO] [stderr]     Checking multibase v0.6.0
[INFO] [stderr]     Checking ethereum-types v0.4.2
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking integer-encoding v1.0.8
[INFO] [stderr]     Checking cid_fork_rlay v0.3.1
[INFO] [stderr]    Compiling rlay_ontology_build v0.2.5
[INFO] [stderr]    Compiling rlay_ontology v0.2.6
[INFO] [stderr]     Checking rlay-backend v0.3.0
[INFO] [stderr]     Checking rlay-plugin-interface v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.90s
[INFO] running `Command { std: "docker" "inspect" "b58673ff87ea4e1466b1e6d086fd1b7d96615f38c0e9b72b59e032059e7bcae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58673ff87ea4e1466b1e6d086fd1b7d96615f38c0e9b72b59e032059e7bcae6", kill_on_drop: false }`
[INFO] [stdout] b58673ff87ea4e1466b1e6d086fd1b7d96615f38c0e9b72b59e032059e7bcae6