[INFO] fetching crate pfds 0.5.0...
[INFO] checking pfds-0.5.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate pfds 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate pfds 0.5.0 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 pfds 0.5.0
[INFO] finished tweaking crates.io crate pfds 0.5.0
[INFO] tweaked toml for crates.io crate pfds 0.5.0 written to /workspace/builds/worker-3-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] 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 646935c38d89754920f838f2fb4a122a45a9886b7bc7bbaf6b2217b76ea72830
[INFO] running `Command { std: "docker" "start" "-a" "646935c38d89754920f838f2fb4a122a45a9886b7bc7bbaf6b2217b76ea72830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "646935c38d89754920f838f2fb4a122a45a9886b7bc7bbaf6b2217b76ea72830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646935c38d89754920f838f2fb4a122a45a9886b7bc7bbaf6b2217b76ea72830", kill_on_drop: false }`
[INFO] [stdout] 646935c38d89754920f838f2fb4a122a45a9886b7bc7bbaf6b2217b76ea72830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4ccc09744f274c4f48b730ef80a5f96fd7c98bac9c29039fb0d6ec3d6ecb4fb5
[INFO] running `Command { std: "docker" "start" "-a" "4ccc09744f274c4f48b730ef80a5f96fd7c98bac9c29039fb0d6ec3d6ecb4fb5", kill_on_drop: false }`
[INFO] [stderr]     Checking pfds v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub use hashmap::*;
[INFO] [stdout]    |         ^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here
[INFO] [stdout] 40 | pub use hashset::*;
[INFO] [stdout] 41 | pub use list::*;
[INFO] [stdout]    |         ------- but the name `Iter` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub use hashmap::*;
[INFO] [stdout]    |         ^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here
[INFO] [stdout] 40 | pub use hashset::*;
[INFO] [stdout] 41 | pub use list::*;
[INFO] [stdout]    |         ------- but the name `Iter` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/hashset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/hashset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/tree.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let root = new_path[0].clone();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/tree.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let root = new_path[0].clone();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply_data` and `apply_acc_recursive` are never used
[INFO] [stdout]   --> src/tree.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<D: Clone> Node<D> {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn apply_data<F: FnOnce(&D) -> Option<D>>(&self, f: F) -> Option<D> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     fn apply_acc_recursive<Acc, F: Fn(&Acc, &D) -> (Acc, Option<D>)>(&self, acc: &Acc, f: Arc<F>) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply_acc_recursive` is never used
[INFO] [stdout]    --> src/tree.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | impl<D: Clone> PathPriv<D> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 256 |     fn apply_acc_recursive<Acc, F: Fn(&Acc, &D) -> (Acc, Option<D>)>(&self, initial: &Acc, f: F) -> Option<Arc<Self>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply_data` and `apply_acc_recursive` are never used
[INFO] [stdout]   --> src/tree.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<D: Clone> Node<D> {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn apply_data<F: FnOnce(&D) -> Option<D>>(&self, f: F) -> Option<D> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     fn apply_acc_recursive<Acc, F: Fn(&Acc, &D) -> (Acc, Option<D>)>(&self, acc: &Acc, f: Arc<F>) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply_acc_recursive` is never used
[INFO] [stdout]    --> src/tree.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | impl<D: Clone> PathPriv<D> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 256 |     fn apply_acc_recursive<Acc, F: Fn(&Acc, &D) -> (Acc, Option<D>)>(&self, initial: &Acc, f: F) -> Option<Arc<Self>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "4ccc09744f274c4f48b730ef80a5f96fd7c98bac9c29039fb0d6ec3d6ecb4fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccc09744f274c4f48b730ef80a5f96fd7c98bac9c29039fb0d6ec3d6ecb4fb5", kill_on_drop: false }`
[INFO] [stdout] 4ccc09744f274c4f48b730ef80a5f96fd7c98bac9c29039fb0d6ec3d6ecb4fb5