[INFO] fetching crate standing-relations 0.1.2...
[INFO] testing standing-relations-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate standing-relations 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate standing-relations 0.1.2
[INFO] finished tweaking crates.io crate standing-relations 0.1.2
[INFO] tweaked toml for crates.io crate standing-relations 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate standing-relations 0.1.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0cb7db5ae2a9c7b4b3da1edc904e042b27891c549ad91d7613eb08afd5bbfa6
[INFO] running `Command { std: "docker" "start" "-a" "d0cb7db5ae2a9c7b4b3da1edc904e042b27891c549ad91d7613eb08afd5bbfa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0cb7db5ae2a9c7b4b3da1edc904e042b27891c549ad91d7613eb08afd5bbfa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cb7db5ae2a9c7b4b3da1edc904e042b27891c549ad91d7613eb08afd5bbfa6", kill_on_drop: false }`
[INFO] [stdout] d0cb7db5ae2a9c7b4b3da1edc904e042b27891c549ad91d7613eb08afd5bbfa6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 021ce86b54593d035d6357042c541b153362d56ed6d761389ddb6cba7af32b5a
[INFO] running `Command { std: "docker" "start" "-a" "021ce86b54593d035d6357042c541b153362d56ed6d761389ddb6cba7af32b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling standing-relations v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/context/tracking.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CheckedForeach` is never used
[INFO] [stdout]  --> src/feedback/op/checked_foreach.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait CheckedForeach: Iterator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/op/save.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<RelationInner<C>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<'_, RelationInner<C>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "021ce86b54593d035d6357042c541b153362d56ed6d761389ddb6cba7af32b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021ce86b54593d035d6357042c541b153362d56ed6d761389ddb6cba7af32b5a", kill_on_drop: false }`
[INFO] [stdout] 021ce86b54593d035d6357042c541b153362d56ed6d761389ddb6cba7af32b5a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1358e3e19aca5672e25192c0b7d7115b013e6d668ec6fb36c88b94a1f76a555c
[INFO] running `Command { std: "docker" "start" "-a" "1358e3e19aca5672e25192c0b7d7115b013e6d668ec6fb36c88b94a1f76a555c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/context/tracking.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CheckedForeach` is never used
[INFO] [stdout]  --> src/feedback/op/checked_foreach.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait CheckedForeach: Iterator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/op/save.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<RelationInner<C>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<'_, RelationInner<C>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling similar-asserts v1.7.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling goldenfile v1.11.0
[INFO] [stderr]    Compiling standing-relations v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/context/tracking.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CheckedForeach` is never used
[INFO] [stdout]  --> src/feedback/op/checked_foreach.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait CheckedForeach: Iterator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/op/save.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<RelationInner<C>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<'_, RelationInner<C>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.57s
[INFO] running `Command { std: "docker" "inspect" "1358e3e19aca5672e25192c0b7d7115b013e6d668ec6fb36c88b94a1f76a555c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1358e3e19aca5672e25192c0b7d7115b013e6d668ec6fb36c88b94a1f76a555c", kill_on_drop: false }`
[INFO] [stdout] 1358e3e19aca5672e25192c0b7d7115b013e6d668ec6fb36c88b94a1f76a555c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfd63c7ff6c3e637967b75eaba5752ecf57b1fb8d6648018af3fc96be01fcb78
[INFO] running `Command { std: "docker" "start" "-a" "bfd63c7ff6c3e637967b75eaba5752ecf57b1fb8d6648018af3fc96be01fcb78", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/context/tracking.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `CheckedForeach` is never used
[INFO] [stderr]  --> src/feedback/op/checked_foreach.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait CheckedForeach: Iterator {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/core/op/save.rs:72:26
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub(super) fn borrow(&self) -> Ref<RelationInner<C>> {
[INFO] [stderr]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub(super) fn borrow(&self) -> Ref<'_, RelationInner<C>> {
[INFO] [stderr]    |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `standing-relations` (lib) generated 3 warnings (run `cargo fix --lib -p standing-relations` to apply 2 suggestions)
[INFO] [stderr] warning: `standing-relations` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/standing_relations-2f57c723c67a9293)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::dijkstra::test_dijkstra ... ok
[INFO] [stdout] test tests::feed_ordered ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::readme::readme ... ok
[INFO] [stdout] test tests::solve::non_loopy::ttt_outcomes ... ok
[INFO] [stdout] test tests::fingers::fingers ... ok
[INFO] [stdout] test tests::solve::relational::ttt_outcomes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests standing_relations
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/convenience/split.rs - convenience::split::Relation<C>::split (line 8) ... ok
[INFO] [stdout] test src/convenience/mod.rs - convenience::Relation<C>::t (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.94s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bfd63c7ff6c3e637967b75eaba5752ecf57b1fb8d6648018af3fc96be01fcb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd63c7ff6c3e637967b75eaba5752ecf57b1fb8d6648018af3fc96be01fcb78", kill_on_drop: false }`
[INFO] [stdout] bfd63c7ff6c3e637967b75eaba5752ecf57b1fb8d6648018af3fc96be01fcb78
