[INFO] fetching crate deep_core 0.1.1...
[INFO] testing deep_core-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate deep_core 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate deep_core 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3a958307b42d0b8c7b644cb83391f3e27ccd285126d8d75e7b4561e6cc6d222
[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" "b3a958307b42d0b8c7b644cb83391f3e27ccd285126d8d75e7b4561e6cc6d222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3a958307b42d0b8c7b644cb83391f3e27ccd285126d8d75e7b4561e6cc6d222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a958307b42d0b8c7b644cb83391f3e27ccd285126d8d75e7b4561e6cc6d222", kill_on_drop: false }`
[INFO] [stdout] b3a958307b42d0b8c7b644cb83391f3e27ccd285126d8d75e7b4561e6cc6d222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 845c21bc77ee75d4cf8f655dde7bd6d5bf5739b7f2c4df72c0b9c016aa4b0d52
[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" "845c21bc77ee75d4cf8f655dde7bd6d5bf5739b7f2c4df72c0b9c016aa4b0d52", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/graph.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `TensorDescriptor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/tensor_descriptor.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `EdgesIndices` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/edges_indices.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `EdgesIndices` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/edges_indices.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "845c21bc77ee75d4cf8f655dde7bd6d5bf5739b7f2c4df72c0b9c016aa4b0d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845c21bc77ee75d4cf8f655dde7bd6d5bf5739b7f2c4df72c0b9c016aa4b0d52", kill_on_drop: false }`
[INFO] [stdout] 845c21bc77ee75d4cf8f655dde7bd6d5bf5739b7f2c4df72c0b9c016aa4b0d52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] 5c8ff2fe6201641ee7a69c427d2c07c55b10e9523a2cba3547783b31bf29de10
[INFO] running `Command { std: "docker" "start" "-a" "5c8ff2fe6201641ee7a69c427d2c07c55b10e9523a2cba3547783b31bf29de10", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/graph.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `TensorDescriptor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/tensor_descriptor.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `EdgesIndices` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/edges_indices.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `EdgesIndices` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/edges_indices.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/graph.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `TensorDescriptor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/tensor_descriptor.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `EdgesIndices` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/edges_indices.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `EdgesIndices` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/graph/edges_indices.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "5c8ff2fe6201641ee7a69c427d2c07c55b10e9523a2cba3547783b31bf29de10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8ff2fe6201641ee7a69c427d2c07c55b10e9523a2cba3547783b31bf29de10", kill_on_drop: false }`
[INFO] [stdout] 5c8ff2fe6201641ee7a69c427d2c07c55b10e9523a2cba3547783b31bf29de10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] eea177a6e445db8a5d1d5494437d93de66480db14de5e87c67e055036ae2ce6c
[INFO] running `Command { std: "docker" "start" "-a" "eea177a6e445db8a5d1d5494437d93de66480db14de5e87c67e055036ae2ce6c", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stdout] 
[INFO] [stderr]   --> src/graph/graph.rs:12:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 12 |     id: GraphId,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/graph/graph.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tensor_id`
[INFO] [stderr]   --> src/graph/tensor_descriptor.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     tensor_id: TensorId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `TensorDescriptor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/graph/tensor_descriptor.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `indices_by_from`
[INFO] [stderr]   --> src/graph/edges_indices.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     indices_by_from: HashMap<NodeId, Indices>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `EdgesIndices` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/graph/edges_indices.rs:9:10
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `indices_by_to`
[INFO] [stderr]   --> src/graph/edges_indices.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     indices_by_to: HashMap<NodeId, Indices>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `EdgesIndices` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/graph/edges_indices.rs:9:10
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `deep_core` (lib) generated 4 warnings
[INFO] [stderr] warning: `deep_core` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deep_core-f2dfa915e5a35d44)
[INFO] [stderr]    Doc-tests deep_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eea177a6e445db8a5d1d5494437d93de66480db14de5e87c67e055036ae2ce6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea177a6e445db8a5d1d5494437d93de66480db14de5e87c67e055036ae2ce6c", kill_on_drop: false }`
[INFO] [stdout] eea177a6e445db8a5d1d5494437d93de66480db14de5e87c67e055036ae2ce6c