[INFO] fetching crate deep_core 0.1.1...
[INFO] checking deep_core-0.1.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate deep_core 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate deep_core 0.1.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deep_core 0.1.1
[INFO] finished tweaking crates.io crate deep_core 0.1.1
[INFO] tweaked toml for crates.io crate deep_core 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eef0b78c23fea0120518bac6bdbec44da0c855a3cc66aa8e3a9402ec3019e5e
[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" "6eef0b78c23fea0120518bac6bdbec44da0c855a3cc66aa8e3a9402ec3019e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eef0b78c23fea0120518bac6bdbec44da0c855a3cc66aa8e3a9402ec3019e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eef0b78c23fea0120518bac6bdbec44da0c855a3cc66aa8e3a9402ec3019e5e", kill_on_drop: false }`
[INFO] [stdout] 6eef0b78c23fea0120518bac6bdbec44da0c855a3cc66aa8e3a9402ec3019e5e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 87da85ee5054f0b0ce5276fdcdb70c9c2c3df1422aac8b58c2a1a4fb0c28e00c
[INFO] running `Command { std: "docker" "start" "-a" "87da85ee5054f0b0ce5276fdcdb70c9c2c3df1422aac8b58c2a1a4fb0c28e00c", kill_on_drop: false }`
[INFO] [stderr]     Checking deep_core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/graph/graph.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     id: GraphId,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tensor_id`
[INFO] [stdout]   --> src/graph/tensor_descriptor.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     tensor_id: TensorId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `indices_by_from`
[INFO] [stdout]   --> src/graph/edges_indices.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     indices_by_from: HashMap<NodeId, Indices>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `indices_by_to`
[INFO] [stdout]   --> src/graph/edges_indices.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     indices_by_to: HashMap<NodeId, Indices>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/graph/graph.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     id: GraphId,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tensor_id`
[INFO] [stdout]   --> src/graph/tensor_descriptor.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     tensor_id: TensorId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `indices_by_from`
[INFO] [stdout]   --> src/graph/edges_indices.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     indices_by_from: HashMap<NodeId, Indices>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `indices_by_to`
[INFO] [stdout]   --> src/graph/edges_indices.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     indices_by_to: HashMap<NodeId, Indices>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "87da85ee5054f0b0ce5276fdcdb70c9c2c3df1422aac8b58c2a1a4fb0c28e00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87da85ee5054f0b0ce5276fdcdb70c9c2c3df1422aac8b58c2a1a4fb0c28e00c", kill_on_drop: false }`
[INFO] [stdout] 87da85ee5054f0b0ce5276fdcdb70c9c2c3df1422aac8b58c2a1a4fb0c28e00c