[INFO] fetching crate dynamic_graph 0.1.5...
[INFO] checking dynamic_graph-0.1.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate dynamic_graph 0.1.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate dynamic_graph 0.1.5 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10e4064bf36b5467665401a3ac151c5f59291bb8fc50761fac3be1cf7510b4e2
[INFO] running `Command { std: "docker" "start" "-a" "10e4064bf36b5467665401a3ac151c5f59291bb8fc50761fac3be1cf7510b4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10e4064bf36b5467665401a3ac151c5f59291bb8fc50761fac3be1cf7510b4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e4064bf36b5467665401a3ac151c5f59291bb8fc50761fac3be1cf7510b4e2", kill_on_drop: false }`
[INFO] [stdout] 10e4064bf36b5467665401a3ac151c5f59291bb8fc50761fac3be1cf7510b4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad214cddfa9142789c73375ee65acf5a418678c31a5af6b92277a83b47e4edbe
[INFO] running `Command { std: "docker" "start" "-a" "ad214cddfa9142789c73375ee65acf5a418678c31a5af6b92277a83b47e4edbe", kill_on_drop: false }`
[INFO] [stderr]     Checking generativity v1.1.0
[INFO] [stderr]     Checking unsafer v0.1.1
[INFO] [stderr]     Checking dynamic_graph v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
[INFO] [stdout]  --> src/graph_ptr.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub(crate) _guard : Id<'id>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
[INFO] [stdout]   = note: this struct contains `generativity::Id<'id>`, which contains private fields, and makes it not a breaking change to become non-zero-sized in the future.
[INFO] [stdout]   = note: `#[warn(repr_transparent_external_private_fields)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
[INFO] [stdout]  --> src/graph_ptr.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub(crate) _guard : Id<'id>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
[INFO] [stdout]   = note: this struct contains `generativity::Id<'id>`, which contains private fields, and makes it not a breaking change to become non-zero-sized in the future.
[INFO] [stdout]   = note: `#[warn(repr_transparent_external_private_fields)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_edge_mut` is never used
[INFO] [stdout]    --> src/graph_raw.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 311 | impl <K, N, E> GraphRaw<TreeNode<K, N, E>> where K : Ord
[INFO] [stdout]     | -------------------------------------------------------- method in this implementation
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_edge_mut` is never used
[INFO] [stdout]    --> src/graph_raw.rs:323:19
[INFO] [stdout]     |
[INFO] [stdout] 311 | impl <K, N, E> GraphRaw<TreeNode<K, N, E>> where K : Ord
[INFO] [stdout]     | -------------------------------------------------------- method in this implementation
[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: 2 warnings 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]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `anch` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> tests/tests.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |     anchor!(anch, graph);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `anchor` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `graph` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> tests/tests.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     anchor!(graph);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: this warning originates in the macro `anchor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "ad214cddfa9142789c73375ee65acf5a418678c31a5af6b92277a83b47e4edbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad214cddfa9142789c73375ee65acf5a418678c31a5af6b92277a83b47e4edbe", kill_on_drop: false }`
[INFO] [stdout] ad214cddfa9142789c73375ee65acf5a418678c31a5af6b92277a83b47e4edbe