[INFO] fetching crate scm-bisect 0.3.0...
[INFO] checking scm-bisect-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate scm-bisect 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate scm-bisect 0.3.0
[INFO] finished tweaking crates.io crate scm-bisect 0.3.0
[INFO] tweaked toml for crates.io crate scm-bisect 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scm-bisect 0.3.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scm-bisect 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c07cfc4e9a1282cfb68b6acc516d24fcc540fa83460c5d1909b4e72e96b85f1
[INFO] running `Command { std: "docker" "start" "-a" "1c07cfc4e9a1282cfb68b6acc516d24fcc540fa83460c5d1909b4e72e96b85f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c07cfc4e9a1282cfb68b6acc516d24fcc540fa83460c5d1909b4e72e96b85f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c07cfc4e9a1282cfb68b6acc516d24fcc540fa83460c5d1909b4e72e96b85f1", kill_on_drop: false }`
[INFO] [stdout] 1c07cfc4e9a1282cfb68b6acc516d24fcc540fa83460c5d1909b4e72e96b85f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1075faa7c8f83a30d889c90cd5a63703fc9b98d789f2fa685d9acb5852af9e1
[INFO] running `Command { std: "docker" "start" "-a" "b1075faa7c8f83a30d889c90cd5a63703fc9b98d789f2fa685d9acb5852af9e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking insta v1.39.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking scm-bisect v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/search.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 266 |         strategy: &'a S,
[INFO] [stdout]     |                    -- the lifetime is named here
[INFO] [stdout] 267 |     ) -> Result<
[INFO] [stdout] 268 |         LazySolution<G::Node, SearchError<G::Node, G::Error, S::Error>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 268 |         LazySolution<'a, G::Node, SearchError<G::Node, G::Error, S::Error>>,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> examples/guessing_game.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |       ) -> Result<bool, Self::Error> {
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 24 | |         // Note that a node is always considered an ancestor of itself.
[INFO] [stdout] 25 | |         Ok(ancestor <= descendant)
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> examples/guessing_game.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(ancestor <= descendant)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<isize>, Infallible>
[INFO] [stdout]   --> examples/guessing_game.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |       ) -> Result<Option<Node>, Self::Error> {
[INFO] [stdout]    |  ____________________________________________^
[INFO] [stdout] 43 | |         let search::Bounds {
[INFO] [stdout] 44 | |             success: success_bounds,
[INFO] [stdout] 45 | |             failure: failure_bounds,
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |         Ok(Some(midpoint))
[INFO] [stdout] 64 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<isize>, Infallible>
[INFO] [stdout]   --> examples/guessing_game.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return Ok(None);
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<isize>, Infallible>
[INFO] [stdout]   --> examples/guessing_game.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Ok(Some(midpoint))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scm-bisect` (example "guessing_game") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub mod testing;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:455:20
[INFO] [stdout]     |
[INFO] [stdout] 455 |         assert_eq!(graph.descendants('e'), Ok(hashset! {'e', 'f', 'g', 'h'}));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:455:44
[INFO] [stdout]     |
[INFO] [stdout] 455 |         assert_eq!(graph.descendants('e'), Ok(hashset! {'e', 'f', 'g', 'h'}));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         assert_eq!(graph.descendants('e'), Ok(hashset! {'e', 'f', 'g', 'h'}));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         assert_eq!(graph.descendants('e'), Ok(hashset! {'e', 'f', 'g', 'h'}));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         assert_eq!(graph.descendants('e'), Ok(hashset! {'e', 'f', 'g', 'h'}));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         assert_eq!(graph.descendants('e'), Ok(hashset! {'e', 'f', 'g', 'h'}));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:456:20
[INFO] [stdout]     |
[INFO] [stdout] 456 |         assert_eq!(graph.ancestors('e'), Ok(hashset! {'a', 'b', 'c', 'd', 'e'}));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:456:42
[INFO] [stdout]     |
[INFO] [stdout] 456 |         assert_eq!(graph.ancestors('e'), Ok(hashset! {'a', 'b', 'c', 'd', 'e'}));
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:456:9
[INFO] [stdout]     |
[INFO] [stdout] 456 |         assert_eq!(graph.ancestors('e'), Ok(hashset! {'a', 'b', 'c', 'd', 'e'}));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:456:9
[INFO] [stdout]     |
[INFO] [stdout] 456 |         assert_eq!(graph.ancestors('e'), Ok(hashset! {'a', 'b', 'c', 'd', 'e'}));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:456:9
[INFO] [stdout]     |
[INFO] [stdout] 456 |         assert_eq!(graph.ancestors('e'), Ok(hashset! {'a', 'b', 'c', 'd', 'e'}));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:456:9
[INFO] [stdout]     |
[INFO] [stdout] 456 |         assert_eq!(graph.ancestors('e'), Ok(hashset! {'a', 'b', 'c', 'd', 'e'}));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:547:33
[INFO] [stdout]     |
[INFO] [stdout] 547 |             let failure_nodes = graph.descendants_all(failure_nodes.into_iter().collect()).unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:574:37
[INFO] [stdout]     |
[INFO] [stdout] 574 |             let all_success_nodes = graph.ancestors_all(solution.bounds.success.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]    --> src/basic.rs:575:37
[INFO] [stdout]     |
[INFO] [stdout] 575 |             let all_failure_nodes = graph.descendants_all(solution.bounds.failure).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/search.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 266 |         strategy: &'a S,
[INFO] [stdout]     |                    -- the lifetime is named here
[INFO] [stdout] 267 |     ) -> Result<
[INFO] [stdout] 268 |         LazySolution<G::Node, SearchError<G::Node, G::Error, S::Error>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 268 |         LazySolution<'a, G::Node, SearchError<G::Node, G::Error, S::Error>>,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/testing.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct UsizeGraph {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]   --> src/testing.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub max: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<usize>, Infallible>
[INFO] [stdout]   --> src/testing.rs:19:86
[INFO] [stdout]    |
[INFO] [stdout] 19 |       fn ancestors(&self, node: Self::Node) -> Result<HashSet<Self::Node>, Infallible> {
[INFO] [stdout]    |  ______________________________________________________________________________________^
[INFO] [stdout] 20 | |         assert!(node < self.max);
[INFO] [stdout] 21 | |         Ok((0..=node).collect())
[INFO] [stdout] 22 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<usize>, Infallible>
[INFO] [stdout]   --> src/testing.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok((0..=node).collect())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<usize>, Infallible>
[INFO] [stdout]   --> src/testing.rs:24:88
[INFO] [stdout]    |
[INFO] [stdout] 24 |       fn descendants(&self, node: Self::Node) -> Result<HashSet<Self::Node>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________________________________^
[INFO] [stdout] 25 | |         assert!(node < self.max);
[INFO] [stdout] 26 | |         Ok((node..self.max).collect())
[INFO] [stdout] 27 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<usize>, Infallible>
[INFO] [stdout]   --> src/testing.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Ok((node..self.max).collect())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/testing.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct TestGraph {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]   --> src/testing.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub nodes: HashMap<char, HashSet<char>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]   --> src/testing.rs:39:86
[INFO] [stdout]    |
[INFO] [stdout] 39 |       fn ancestors(&self, node: Self::Node) -> Result<HashSet<Self::Node>, Infallible> {
[INFO] [stdout]    |  ______________________________________________________________________________________^
[INFO] [stdout] 40 | |         let mut result = HashSet::new();
[INFO] [stdout] 41 | |         result.insert(node);
[INFO] [stdout] 42 | |         let parents: HashSet<char> = self
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |         Ok(result)
[INFO] [stdout] 49 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::collections::HashSet<char>>
[INFO] [stdout]   --> src/testing.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |         result.extend(self.ancestors_all(parents)?);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]   --> src/testing.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |         result.extend(self.ancestors_all(parents)?);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]   --> src/testing.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |         result.extend(self.ancestors_all(parents)?);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]   --> src/testing.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Ok(result)
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]   --> src/testing.rs:51:88
[INFO] [stdout]    |
[INFO] [stdout] 51 |       fn descendants(&self, node: Self::Node) -> Result<HashSet<Self::Node>, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________________________________^
[INFO] [stdout] 52 | |         let mut result = HashSet::new();
[INFO] [stdout] 53 | |         result.insert(node);
[INFO] [stdout] 54 | |         let children: HashSet<char> = self.nodes[&node].clone();
[INFO] [stdout] 55 | |         result.extend(self.descendants_all(children)?);
[INFO] [stdout] 56 | |         Ok(result)
[INFO] [stdout] 57 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::collections::HashSet<char>>
[INFO] [stdout]   --> src/testing.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |         result.extend(self.descendants_all(children)?);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]   --> src/testing.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |         result.extend(self.descendants_all(children)?);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]   --> src/testing.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |         result.extend(self.descendants_all(children)?);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::collections::HashSet<char>, Infallible>
[INFO] [stdout]   --> src/testing.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Ok(result)
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/testing.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn arb_strategy() -> impl ProptestStrategy<Value = BasicStrategyKind> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/testing.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn arb_test_graph_and_nodes() -> impl ProptestStrategy<Value = (TestGraph, Vec<char>)> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scm-bisect` (lib test) due to 29 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b1075faa7c8f83a30d889c90cd5a63703fc9b98d789f2fa685d9acb5852af9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1075faa7c8f83a30d889c90cd5a63703fc9b98d789f2fa685d9acb5852af9e1", kill_on_drop: false }`
[INFO] [stdout] b1075faa7c8f83a30d889c90cd5a63703fc9b98d789f2fa685d9acb5852af9e1
