[INFO] fetching crate dynamic_graph 0.1.5...
[INFO] checking dynamic_graph-0.1.5 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate dynamic_graph 0.1.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dynamic_graph 0.1.5 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d7087fa30a59495ca3f7704b0a885339ef43f14837d19930f736414698c1a34
[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" "1d7087fa30a59495ca3f7704b0a885339ef43f14837d19930f736414698c1a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7087fa30a59495ca3f7704b0a885339ef43f14837d19930f736414698c1a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7087fa30a59495ca3f7704b0a885339ef43f14837d19930f736414698c1a34", kill_on_drop: false }`
[INFO] [stdout] 1d7087fa30a59495ca3f7704b0a885339ef43f14837d19930f736414698c1a34
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a06c1b7e81bc05184c19e811ff6b1cb3e353b463e0623979678d49505b9a5cd4
[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" "a06c1b7e81bc05184c19e811ff6b1cb3e353b463e0623979678d49505b9a5cd4", kill_on_drop: false }`
[INFO] [stderr]     Checking generativity v1.0.0
[INFO] [stderr]     Checking unsafer v0.1.1
[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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "a06c1b7e81bc05184c19e811ff6b1cb3e353b463e0623979678d49505b9a5cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06c1b7e81bc05184c19e811ff6b1cb3e353b463e0623979678d49505b9a5cd4", kill_on_drop: false }`
[INFO] [stdout] a06c1b7e81bc05184c19e811ff6b1cb3e353b463e0623979678d49505b9a5cd4