[INFO] fetching crate segmap 0.1.0...
[INFO] testing segmap-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate segmap 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate segmap 0.1.0
[INFO] finished tweaking crates.io crate segmap 0.1.0
[INFO] tweaked toml for crates.io crate segmap 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate segmap 0.1.0 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] crate crates.io crate segmap 0.1.0 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" "+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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7cb4da3fa68a851bfd855f353782baa3a5dee83fc0ddb9f7a5a37890f4a83736
[INFO] running `Command { std: "docker" "start" "-a" "7cb4da3fa68a851bfd855f353782baa3a5dee83fc0ddb9f7a5a37890f4a83736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb4da3fa68a851bfd855f353782baa3a5dee83fc0ddb9f7a5a37890f4a83736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb4da3fa68a851bfd855f353782baa3a5dee83fc0ddb9f7a5a37890f4a83736", kill_on_drop: false }`
[INFO] [stdout] 7cb4da3fa68a851bfd855f353782baa3a5dee83fc0ddb9f7a5a37890f4a83736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9be0dff4295dced115d27b11713d5e7b4e19334651af7658df2bbed81d480f4a
[INFO] running `Command { std: "docker" "start" "-a" "9be0dff4295dced115d27b11713d5e7b4e19334651af7658df2bbed81d480f4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling segmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:701:21
[INFO] [stdout]     |
[INFO] [stdout] 701 |                     self.0.insert(IterSubsetInner::Full(iter));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 701 |                     let _ = self.0.insert(IterSubsetInner::Full(iter));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:723:25
[INFO] [stdout]     |
[INFO] [stdout] 723 | /                         self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout] 724 | |                             before: None,
[INFO] [stdout] 725 | |                             iter,
[INFO] [stdout] 726 | |                             range,
[INFO] [stdout] 727 | |                         });
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 723 |                         let _ = self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:746:25
[INFO] [stdout]     |
[INFO] [stdout] 746 | /                         self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout] 747 | |                             before: None,
[INFO] [stdout] 748 | |                             iter,
[INFO] [stdout] 749 | |                             range,
[INFO] [stdout] 750 | |                         });
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 746 |                         let _ = self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:781:13
[INFO] [stdout]     |
[INFO] [stdout] 781 |             self.prev.insert(next);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 781 |             let _ = self.prev.insert(next);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:834:21
[INFO] [stdout]     |
[INFO] [stdout] 834 |                     self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 834 |                     let _ = self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:845:21
[INFO] [stdout]     |
[INFO] [stdout] 845 |                     self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 845 |                     let _ = self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:168:29
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   prev_other.insert(other);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 168 |                             let _ = prev_other.insert(other);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:188:33
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   prev_other.insert(other);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |                                 let _ = prev_other.insert(other);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:203:33
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   prev_other.insert(other);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 203 |                                 let _ = prev_other.insert(other);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:225:33
[INFO] [stdout]     |
[INFO] [stdout] 225 | / ...                   prev_self.insert(Segment {
[INFO] [stdout] 226 | | ...                       start: other.borrow_bound_after().unwrap(),
[INFO] [stdout] 227 | | ...                       end: core::mem::replace(
[INFO] [stdout] 228 | | ...                           &mut range.end,
[INFO] [stdout] 229 | | ...                           other.borrow_bound_before().unwrap(),
[INFO] [stdout] 230 | | ...                       ),
[INFO] [stdout] 231 | | ...                   });
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 225 |                                 let _ = prev_self.insert(Segment {
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 self.prev_b.insert(next_b);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 self.prev_a.insert(next_a);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 | /                     self.prev_a.insert(Segment {
[INFO] [stdout] 166 | |                         start: next_b.borrow_bound_after().unwrap(),
[INFO] [stdout] 167 | |                         end: next_a.end,
[INFO] [stdout] 168 | |                     });
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let _ = self.prev_a.insert(Segment {
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 | /                     self.prev_b.insert(Segment {
[INFO] [stdout] 221 | |                         start: next_a.borrow_bound_after().unwrap(),
[INFO] [stdout] 222 | |                         end: next_b.end,
[INFO] [stdout] 223 | |                     });
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     let _ = self.prev_b.insert(Segment {
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/set/ops/union.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             self.prev_b.insert(next_b);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let _ = self.prev_b.insert(next_b);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/union.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             self.prev_a.insert(next_a);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/union.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     self.prev_a.insert(r);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let _ = self.prev_a.insert(r);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/union.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     self.prev_b.insert(r);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     let _ = self.prev_b.insert(r);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "9be0dff4295dced115d27b11713d5e7b4e19334651af7658df2bbed81d480f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be0dff4295dced115d27b11713d5e7b4e19334651af7658df2bbed81d480f4a", kill_on_drop: false }`
[INFO] [stdout] 9be0dff4295dced115d27b11713d5e7b4e19334651af7658df2bbed81d480f4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1be63c1b54bdd8671152b19ae1272300bad4ec771817fc99b477768857fd4aad
[INFO] running `Command { std: "docker" "start" "-a" "1be63c1b54bdd8671152b19ae1272300bad4ec771817fc99b477768857fd4aad", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:701:21
[INFO] [stdout]     |
[INFO] [stdout] 701 |                     self.0.insert(IterSubsetInner::Full(iter));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 701 |                     let _ = self.0.insert(IterSubsetInner::Full(iter));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:723:25
[INFO] [stdout]     |
[INFO] [stdout] 723 | /                         self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout] 724 | |                             before: None,
[INFO] [stdout] 725 | |                             iter,
[INFO] [stdout] 726 | |                             range,
[INFO] [stdout] 727 | |                         });
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 723 |                         let _ = self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:746:25
[INFO] [stdout]     |
[INFO] [stdout] 746 | /                         self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout] 747 | |                             before: None,
[INFO] [stdout] 748 | |                             iter,
[INFO] [stdout] 749 | |                             range,
[INFO] [stdout] 750 | |                         });
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 746 |                         let _ = self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:781:13
[INFO] [stdout]     |
[INFO] [stdout] 781 |             self.prev.insert(next);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 781 |             let _ = self.prev.insert(next);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:834:21
[INFO] [stdout]     |
[INFO] [stdout] 834 |                     self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 834 |                     let _ = self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:845:21
[INFO] [stdout]     |
[INFO] [stdout] 845 |                     self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 845 |                     let _ = self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:168:29
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   prev_other.insert(other);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 168 |                             let _ = prev_other.insert(other);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:188:33
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   prev_other.insert(other);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |                                 let _ = prev_other.insert(other);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:203:33
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   prev_other.insert(other);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 203 |                                 let _ = prev_other.insert(other);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:225:33
[INFO] [stdout]     |
[INFO] [stdout] 225 | / ...                   prev_self.insert(Segment {
[INFO] [stdout] 226 | | ...                       start: other.borrow_bound_after().unwrap(),
[INFO] [stdout] 227 | | ...                       end: core::mem::replace(
[INFO] [stdout] 228 | | ...                           &mut range.end,
[INFO] [stdout] 229 | | ...                           other.borrow_bound_before().unwrap(),
[INFO] [stdout] 230 | | ...                       ),
[INFO] [stdout] 231 | | ...                   });
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 225 |                                 let _ = prev_self.insert(Segment {
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 self.prev_b.insert(next_b);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 self.prev_a.insert(next_a);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 | /                     self.prev_a.insert(Segment {
[INFO] [stdout] 166 | |                         start: next_b.borrow_bound_after().unwrap(),
[INFO] [stdout] 167 | |                         end: next_a.end,
[INFO] [stdout] 168 | |                     });
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let _ = self.prev_a.insert(Segment {
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 | /                     self.prev_b.insert(Segment {
[INFO] [stdout] 221 | |                         start: next_a.borrow_bound_after().unwrap(),
[INFO] [stdout] 222 | |                         end: next_b.end,
[INFO] [stdout] 223 | |                     });
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     let _ = self.prev_b.insert(Segment {
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/set/ops/union.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             self.prev_b.insert(next_b);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let _ = self.prev_b.insert(next_b);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/union.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             self.prev_a.insert(next_a);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/union.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     self.prev_a.insert(r);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let _ = self.prev_a.insert(r);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/union.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     self.prev_b.insert(r);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     let _ = self.prev_b.insert(r);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling segmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:701:21
[INFO] [stdout]     |
[INFO] [stdout] 701 |                     self.0.insert(IterSubsetInner::Full(iter));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 701 |                     let _ = self.0.insert(IterSubsetInner::Full(iter));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:723:25
[INFO] [stdout]     |
[INFO] [stdout] 723 | /                         self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout] 724 | |                             before: None,
[INFO] [stdout] 725 | |                             iter,
[INFO] [stdout] 726 | |                             range,
[INFO] [stdout] 727 | |                         });
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 723 |                         let _ = self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:746:25
[INFO] [stdout]     |
[INFO] [stdout] 746 | /                         self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout] 747 | |                             before: None,
[INFO] [stdout] 748 | |                             iter,
[INFO] [stdout] 749 | |                             range,
[INFO] [stdout] 750 | |                         });
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 746 |                         let _ = self.0.insert(IterSubsetInner::Partial {
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:781:13
[INFO] [stdout]     |
[INFO] [stdout] 781 |             self.prev.insert(next);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 781 |             let _ = self.prev.insert(next);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:834:21
[INFO] [stdout]     |
[INFO] [stdout] 834 |                     self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 834 |                     let _ = self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/map/iterators.rs:845:21
[INFO] [stdout]     |
[INFO] [stdout] 845 |                     self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 845 |                     let _ = self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:168:29
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   prev_other.insert(other);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 168 |                             let _ = prev_other.insert(other);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:188:33
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   prev_other.insert(other);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |                                 let _ = prev_other.insert(other);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:203:33
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   prev_other.insert(other);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 203 |                                 let _ = prev_other.insert(other);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/difference.rs:225:33
[INFO] [stdout]     |
[INFO] [stdout] 225 | / ...                   prev_self.insert(Segment {
[INFO] [stdout] 226 | | ...                       start: other.borrow_bound_after().unwrap(),
[INFO] [stdout] 227 | | ...                       end: core::mem::replace(
[INFO] [stdout] 228 | | ...                           &mut range.end,
[INFO] [stdout] 229 | | ...                           other.borrow_bound_before().unwrap(),
[INFO] [stdout] 230 | | ...                       ),
[INFO] [stdout] 231 | | ...                   });
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 225 |                                 let _ = prev_self.insert(Segment {
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/intersection.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 self.prev_b.insert(next_b);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 self.prev_a.insert(next_a);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     self.prev_b.insert(next_b);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 | /                     self.prev_a.insert(Segment {
[INFO] [stdout] 166 | |                         start: next_b.borrow_bound_after().unwrap(),
[INFO] [stdout] 167 | |                         end: next_a.end,
[INFO] [stdout] 168 | |                     });
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let _ = self.prev_a.insert(Segment {
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 | /                     self.prev_b.insert(Segment {
[INFO] [stdout] 221 | |                         start: next_a.borrow_bound_after().unwrap(),
[INFO] [stdout] 222 | |                         end: next_b.end,
[INFO] [stdout] 223 | |                     });
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     let _ = self.prev_b.insert(Segment {
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/symmetric_difference.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     self.prev_a.insert(next_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/set/ops/union.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             self.prev_b.insert(next_b);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let _ = self.prev_b.insert(next_b);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/union.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             self.prev_a.insert(next_a);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let _ = self.prev_a.insert(next_a);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/union.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     self.prev_a.insert(r);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let _ = self.prev_a.insert(r);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/set/ops/union.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     self.prev_b.insert(r);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     let _ = self.prev_b.insert(r);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 56.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "1be63c1b54bdd8671152b19ae1272300bad4ec771817fc99b477768857fd4aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be63c1b54bdd8671152b19ae1272300bad4ec771817fc99b477768857fd4aad", kill_on_drop: false }`
[INFO] [stdout] 1be63c1b54bdd8671152b19ae1272300bad4ec771817fc99b477768857fd4aad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5deb1b852243231a08e89a59a0fae3ff217c20355db440df1be86ee62e4d51f1
[INFO] running `Command { std: "docker" "start" "-a" "5deb1b852243231a08e89a59a0fae3ff217c20355db440df1be86ee62e4d51f1", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/map/iterators.rs:701:21
[INFO] [stderr]     |
[INFO] [stderr] 701 |                     self.0.insert(IterSubsetInner::Full(iter));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 701 |                     let _ = self.0.insert(IterSubsetInner::Full(iter));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/map/iterators.rs:723:25
[INFO] [stderr]     |
[INFO] [stderr] 723 | /                         self.0.insert(IterSubsetInner::Partial {
[INFO] [stderr] 724 | |                             before: None,
[INFO] [stderr] 725 | |                             iter,
[INFO] [stderr] 726 | |                             range,
[INFO] [stderr] 727 | |                         });
[INFO] [stderr]     | |__________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 723 |                         let _ = self.0.insert(IterSubsetInner::Partial {
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/map/iterators.rs:746:25
[INFO] [stderr]     |
[INFO] [stderr] 746 | /                         self.0.insert(IterSubsetInner::Partial {
[INFO] [stderr] 747 | |                             before: None,
[INFO] [stderr] 748 | |                             iter,
[INFO] [stderr] 749 | |                             range,
[INFO] [stderr] 750 | |                         });
[INFO] [stderr]     | |__________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 746 |                         let _ = self.0.insert(IterSubsetInner::Partial {
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/map/iterators.rs:781:13
[INFO] [stderr]     |
[INFO] [stderr] 781 |             self.prev.insert(next);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 781 |             let _ = self.prev.insert(next);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/map/iterators.rs:834:21
[INFO] [stderr]     |
[INFO] [stderr] 834 |                     self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 834 |                     let _ = self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/map/iterators.rs:845:21
[INFO] [stderr]     |
[INFO] [stderr] 845 |                     self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 845 |                     let _ = self.0.insert(ComplementInner::Gaps(gaps));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/difference.rs:168:29
[INFO] [stderr]     |
[INFO] [stderr] 168 | ...                   prev_other.insert(other);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 168 |                             let _ = prev_other.insert(other);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/difference.rs:188:33
[INFO] [stderr]     |
[INFO] [stderr] 188 | ...                   prev_other.insert(other);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 188 |                                 let _ = prev_other.insert(other);
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/difference.rs:203:33
[INFO] [stderr]     |
[INFO] [stderr] 203 | ...                   prev_other.insert(other);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 203 |                                 let _ = prev_other.insert(other);
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/difference.rs:225:33
[INFO] [stderr]     |
[INFO] [stderr] 225 | / ...                   prev_self.insert(Segment {
[INFO] [stderr] 226 | | ...                       start: other.borrow_bound_after().unwrap(),
[INFO] [stderr] 227 | | ...                       end: core::mem::replace(
[INFO] [stderr] 228 | | ...                           &mut range.end,
[INFO] [stderr] 229 | | ...                           other.borrow_bound_before().unwrap(),
[INFO] [stderr] 230 | | ...                       ),
[INFO] [stderr] 231 | | ...                   });
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 225 |                                 let _ = prev_self.insert(Segment {
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/intersection.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     self.prev_b.insert(next_b);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/intersection.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     self.prev_a.insert(next_a);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/intersection.rs:146:21
[INFO] [stderr]     |
[INFO] [stderr] 146 |                     self.prev_b.insert(next_b);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 146 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/intersection.rs:157:21
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     self.prev_a.insert(next_a);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/intersection.rs:165:21
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     self.prev_b.insert(next_b);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/intersection.rs:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     self.prev_a.insert(next_a);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/symmetric_difference.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 self.prev_b.insert(next_b);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 let _ = self.prev_b.insert(next_b);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/symmetric_difference.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 self.prev_a.insert(next_a);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 let _ = self.prev_a.insert(next_a);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/symmetric_difference.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |                     self.prev_b.insert(next_b);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 150 |                     let _ = self.prev_b.insert(next_b);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/symmetric_difference.rs:165:21
[INFO] [stderr]     |
[INFO] [stderr] 165 | /                     self.prev_a.insert(Segment {
[INFO] [stderr] 166 | |                         start: next_b.borrow_bound_after().unwrap(),
[INFO] [stderr] 167 | |                         end: next_a.end,
[INFO] [stderr] 168 | |                     });
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     let _ = self.prev_a.insert(Segment {
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/symmetric_difference.rs:220:21
[INFO] [stderr]     |
[INFO] [stderr] 220 | /                     self.prev_b.insert(Segment {
[INFO] [stderr] 221 | |                         start: next_a.borrow_bound_after().unwrap(),
[INFO] [stderr] 222 | |                         end: next_b.end,
[INFO] [stderr] 223 | |                     });
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 220 |                     let _ = self.prev_b.insert(Segment {
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/symmetric_difference.rs:245:21
[INFO] [stderr]     |
[INFO] [stderr] 245 |                     self.prev_a.insert(next_a);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 245 |                     let _ = self.prev_a.insert(next_a);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]   --> src/set/ops/union.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             self.prev_b.insert(next_b);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let _ = self.prev_b.insert(next_b);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/union.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             self.prev_a.insert(next_a);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let _ = self.prev_a.insert(next_a);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/union.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     self.prev_a.insert(r);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     let _ = self.prev_a.insert(r);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]    --> src/set/ops/union.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                     self.prev_b.insert(r);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 142 |                     let _ = self.prev_b.insert(r);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `segmap` (lib) generated 26 warnings
[INFO] [stderr] warning: `segmap` (lib test) generated 26 warnings (26 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/segmap-dcb98e2526c29f86)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test map::tests::empty_map_is_empty ... ok
[INFO] [stdout] test map::tests::get_key_value ... ok
[INFO] [stdout] test map::tests::get ... ok
[INFO] [stdout] test map::tests::insert_into_empty_map ... ok
[INFO] [stdout] test map::tests::map_debug_repr_looks_right ... ok
[INFO] [stdout] test map::tests::new_different_value_wholly_inside_stored ... ok
[INFO] [stdout] test map::tests::new_same_value_immediately_following_stored ... ok
[INFO] [stdout] test map::tests::new_same_value_overlapping_end_of_stored ... ok
[INFO] [stdout] test map::tests::new_different_value_immediately_following_stored ... ok
[INFO] [stdout] test map::tests::new_same_value_wholly_inside_stored ... ok
[INFO] [stdout] test map::tests::remove_middle_of_stored ... ok
[INFO] [stdout] test map::tests::remove_non_covered_range_after_stored ... ok
[INFO] [stdout] test map::tests::remove_exactly_stored ... ok
[INFO] [stdout] test map::tests::remove_overlapping_end_of_stored ... ok
[INFO] [stdout] test map::tests::remove_non_covered_range_before_stored ... ok
[INFO] [stdout] test map::tests::remove_overlapping_start_of_stored ... ok
[INFO] [stdout] test map::tests::remove_superset_of_stored ... ok
[INFO] [stdout] test map::tests::replace_at_end_of_existing_range_should_coalesce ... ok
[INFO] [stdout] test set::tests::empty_set_is_empty ... ok
[INFO] [stdout] test set::tests::insert_into_empty_map ... ok
[INFO] [stdout] test set::tests::remove_partially_overlapping ... ok
[INFO] [stdout] test map::tests::new_different_value_immediately_preceding_stored ... ok
[INFO] [stdout] test set::tests::set_debug_repr_looks_right ... ok
[INFO] [stdout] test map::tests::remove_from_empty_map ... ok
[INFO] [stdout] test map::tests::new_different_value_overlapping_end_of_stored ... ok
[INFO] [stdout] test map::tests::new_same_value_immediately_preceding_stored ... ok
[INFO] [stdout] test map::tests::lots_of_interesting_ranges ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests segmap
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::contains (line 180) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::clear (line 108) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::clear_range (line 672) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::append (line 704) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::bounds (line 199) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::get_range_value (line 151) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::get (line 132) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::insert (line 321) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::insert_in_gaps (line 503) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::insert (line 349) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::lower_bound (line 228) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::insert (line 334) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::insert_if_empty (line 451) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::new (line 56) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::remove (line 635) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::set (line 390) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::retain (line 265) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::split_off (line 788) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::with_value (line 79) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::set (line 417) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::upper_bound (line 245) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::set (line 403) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::split_off (line 766) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::len (line 24) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::iter (line 65) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::iter_mut (line 102) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::is_empty (line 42) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::end_value (line 176) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::ranges (line 127) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::full (line 123) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::point (line 140) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::new (line 69) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::values (line 150) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::overlaps (line 206) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::touches (line 253) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::start_value (line 160) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::values_mut (line 171) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::append (line 279) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::remove (line 180) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet (line 25) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::contains (line 115) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::get_range_for (line 132) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::insert (line 155) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::full (line 73) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::clear (line 100) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::retain (line 242) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::split_off (line 335) ... ok
[INFO] [stdout] test src/set/ops/union.rs - set::ops::union::&'_SegmentSet<T>::bitor (line 39) ... ok
[INFO] [stdout] test src/set/ops/symmetric_difference.rs - set::ops::symmetric_difference::&'aSegmentSet<T>::bitxor (line 47) ... ok
[INFO] [stdout] test src/set/ops/intersection.rs - set::ops::intersection::&'aSegmentSet<T>::bitand (line 47) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::take (line 210) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::split_off (line 313) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5deb1b852243231a08e89a59a0fae3ff217c20355db440df1be86ee62e4d51f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5deb1b852243231a08e89a59a0fae3ff217c20355db440df1be86ee62e4d51f1", kill_on_drop: false }`
[INFO] [stdout] 5deb1b852243231a08e89a59a0fae3ff217c20355db440df1be86ee62e4d51f1
