[INFO] fetching crate dynamic_graph 0.1.5...
[INFO] checking dynamic_graph-0.1.5 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate dynamic_graph 0.1.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dynamic_graph 0.1.5 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynamic_graph 0.1.5
[INFO] finished tweaking crates.io crate dynamic_graph 0.1.5
[INFO] tweaked toml for crates.io crate dynamic_graph 0.1.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generativity v1.0.0
[INFO] [stderr]   Downloaded unsafer v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] de0203f5c78df73ec3469171de3a076b93e496b87b739ea3648a7ac970b7e926
[INFO] running `Command { std: "docker" "start" "-a" "de0203f5c78df73ec3469171de3a076b93e496b87b739ea3648a7ac970b7e926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de0203f5c78df73ec3469171de3a076b93e496b87b739ea3648a7ac970b7e926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0203f5c78df73ec3469171de3a076b93e496b87b739ea3648a7ac970b7e926", kill_on_drop: false }`
[INFO] [stdout] de0203f5c78df73ec3469171de3a076b93e496b87b739ea3648a7ac970b7e926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78d7e7289d9817456ec34758938c9117cee7e8d5dd262b9f8ef44e8285ab257e
[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" "78d7e7289d9817456ec34758938c9117cee7e8d5dd262b9f8ef44e8285ab257e", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafer v0.1.1
[INFO] [stderr]     Checking generativity v1.0.0
[INFO] [stderr]     Checking dynamic_graph v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_edge_mut`
[INFO] [stdout]    --> src/graph_raw.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub(crate) fn get_edge_mut<'id>(&mut self, src : GraphPtr<'id, TreeNode<K, N, E>>, dst : &K)
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `anch`
[INFO] [stdout]    --> tests/tests.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |     anchor!(anch, graph);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_anch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]    --> tests/tests.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |     anchor!(graph);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_edge_mut`
[INFO] [stdout]    --> src/graph_raw.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub(crate) fn get_edge_mut<'id>(&mut self, src : GraphPtr<'id, TreeNode<K, N, E>>, dst : &K)
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "78d7e7289d9817456ec34758938c9117cee7e8d5dd262b9f8ef44e8285ab257e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d7e7289d9817456ec34758938c9117cee7e8d5dd262b9f8ef44e8285ab257e", kill_on_drop: false }`
[INFO] [stdout] 78d7e7289d9817456ec34758938c9117cee7e8d5dd262b9f8ef44e8285ab257e