[INFO] fetching crate segmap 0.1.0...
[INFO] testing segmap-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate segmap 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate segmap 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-10/source/Cargo.toml
[INFO] crate crates.io crate segmap 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rangemap v0.1.11
[INFO] [stderr]   Downloaded permutator v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4b6f16a0dd346dbe09db79d1e79fa7266da695cc38119d4ac281ca0de980b57
[INFO] running `Command { std: "docker" "start" "-a" "c4b6f16a0dd346dbe09db79d1e79fa7266da695cc38119d4ac281ca0de980b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4b6f16a0dd346dbe09db79d1e79fa7266da695cc38119d4ac281ca0de980b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b6f16a0dd346dbe09db79d1e79fa7266da695cc38119d4ac281ca0de980b57", kill_on_drop: false }`
[INFO] [stdout] c4b6f16a0dd346dbe09db79d1e79fa7266da695cc38119d4ac281ca0de980b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c1d321dda40838318b1eac6a35f4cb3564c8e49e3d8ca255a252e1ad76ddae9
[INFO] running `Command { std: "docker" "start" "-a" "2c1d321dda40838318b1eac6a35f4cb3564c8e49e3d8ca255a252e1ad76ddae9", 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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "2c1d321dda40838318b1eac6a35f4cb3564c8e49e3d8ca255a252e1ad76ddae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1d321dda40838318b1eac6a35f4cb3564c8e49e3d8ca255a252e1ad76ddae9", kill_on_drop: false }`
[INFO] [stdout] 2c1d321dda40838318b1eac6a35f4cb3564c8e49e3d8ca255a252e1ad76ddae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95d8bfb3b5651f193ad3a726f84094f9be733c9e68dc186868af59ba02143eb2
[INFO] running `Command { std: "docker" "start" "-a" "95d8bfb3b5651f193ad3a726f84094f9be733c9e68dc186868af59ba02143eb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling rangemap v0.1.11
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling permutator v0.4.0
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.56s
[INFO] running `Command { std: "docker" "inspect" "95d8bfb3b5651f193ad3a726f84094f9be733c9e68dc186868af59ba02143eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d8bfb3b5651f193ad3a726f84094f9be733c9e68dc186868af59ba02143eb2", kill_on_drop: false }`
[INFO] [stdout] 95d8bfb3b5651f193ad3a726f84094f9be733c9e68dc186868af59ba02143eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45ba5e1616c5c9510772c900bd2b984ab1cd038ea01b777457fcc6ecd88f3cdd
[INFO] running `Command { std: "docker" "start" "-a" "45ba5e1616c5c9510772c900bd2b984ab1cd038ea01b777457fcc6ecd88f3cdd", 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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you intended to set a value, consider assignment instead
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stderr] warning: `segmap` (lib) generated 26 warnings
[INFO] [stderr] warning: `segmap` (lib test) generated 26 warnings (26 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/segmap-16f12c58119f19eb)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test map::tests::empty_map_is_empty ... ok
[INFO] [stdout] test map::tests::get ... ok
[INFO] [stdout] test map::tests::get_key_value ... ok
[INFO] [stdout] test map::tests::insert_into_empty_map ... ok
[INFO] [stdout] test map::tests::remove_from_empty_map ... ok
[INFO] [stdout] test map::tests::new_same_value_wholly_inside_stored ... ok
[INFO] [stdout] test map::tests::remove_exactly_stored ... ok
[INFO] [stdout] test map::tests::remove_overlapping_start_of_stored ... ok
[INFO] [stdout] test map::tests::new_same_value_overlapping_end_of_stored ... ok
[INFO] [stdout] test map::tests::remove_overlapping_end_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 map::tests::new_different_value_immediately_preceding_stored ... ok
[INFO] [stdout] test map::tests::remove_non_covered_range_before_stored ... ok
[INFO] [stdout] test map::tests::remove_non_covered_range_after_stored ... ok
[INFO] [stdout] test set::tests::set_debug_repr_looks_right ... ok
[INFO] [stdout] test map::tests::remove_middle_of_stored ... ok
[INFO] [stdout] test map::tests::new_same_value_immediately_preceding_stored ... ok
[INFO] [stdout] test map::tests::new_different_value_immediately_following_stored ... ok
[INFO] [stdout] test map::tests::new_same_value_immediately_following_stored ... ok
[INFO] [stdout] test map::tests::new_different_value_overlapping_end_of_stored ... ok
[INFO] [stdout] test set::tests::empty_set_is_empty ... ok
[INFO] [stdout] test set::tests::remove_partially_overlapping ... ok
[INFO] [stdout] test map::tests::map_debug_repr_looks_right ... ok
[INFO] [stdout] test set::tests::insert_into_empty_map ... ok
[INFO] [stdout] test map::tests::new_different_value_wholly_inside_stored ... ok
[INFO] [stderr]    Doc-tests segmap
[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 0.68s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::retain (line 265) ... FAILED
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::insert (line 334) ... FAILED
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::overlaps (line 206) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::remove (line 635) ... FAILED
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::get_range_for (line 132) ... FAILED
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::point (line 140) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::start_value (line 160) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::insert (line 349) ... FAILED
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::set (line 417) ... FAILED
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::lower_bound (line 228) ... FAILED
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::full (line 123) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::end_value (line 176) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::new (line 69) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment<T>::touches (line 253) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::is_empty (line 42) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::len (line 24) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet (line 25) ... FAILED
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::iter (line 65) ... FAILED
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::set (line 403) ... FAILED
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::bounds (line 199) ... FAILED
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::append (line 704) ... FAILED
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::with_value (line 79) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::split_off (line 313) ... FAILED
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::iter_mut (line 102) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::retain (line 242) ... FAILED
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::insert (line 321) ... FAILED
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::get_range_value (line 151) ... FAILED
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::ranges (line 127) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::insert (line 155) ... 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>::split_off (line 788) ... ok
[INFO] [stdout] test src/set/ops/union.rs - set::ops::union::&'_SegmentSet<T>::bitor (line 39) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::upper_bound (line 245) ... ok
[INFO] [stdout] test src/set/ops/intersection.rs - set::ops::intersection::&'aSegmentSet<T>::bitand (line 47) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::contains (line 180) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::clear (line 100) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::append (line 279) ... 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>::clear_range (line 672) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::take (line 210) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::split_off (line 766) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::full (line 73) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::contains (line 115) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::remove (line 180) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::insert_in_gaps (line 503) ... ok
[INFO] [stdout] test src/set/ops/symmetric_difference.rs - set::ops::symmetric_difference::&'aSegmentSet<T>::bitxor (line 47) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::values_mut (line 171) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::clear (line 108) ... ok
[INFO] [stdout] test src/map/iterators.rs - map::iterators::SegmentMap<K,V>::values (line 150) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::get (line 132) ... ok
[INFO] [stdout] test src/set.rs - set::SegmentSet<T>::split_off (line 335) ... ok
[INFO] [stdout] test src/map.rs - map::SegmentMap<K,V>::new (line 56) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::retain (line 265) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::insert (line 334) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::remove (line 635) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/set.rs - set::SegmentSet<T>::get_range_for (line 132) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::insert (line 349) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::set (line 417) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::lower_bound (line 228) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/set.rs - set::SegmentSet (line 25) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map/iterators.rs - map::iterators::SegmentMap<K,V>::iter (line 65) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::set (line 403) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::bounds (line 199) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::append (line 704) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/set.rs - set::SegmentSet<T>::split_off (line 313) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/set.rs - set::SegmentSet<T>::retain (line 242) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::insert (line 321) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/map.rs - map::SegmentMap<K,V>::get_range_value (line 151) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::append (line 704)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::bounds (line 199)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::get_range_value (line 151)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::insert (line 321)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::insert (line 334)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::insert (line 349)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::lower_bound (line 228)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::remove (line 635)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::retain (line 265)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::set (line 403)
[INFO] [stdout]     src/map.rs - map::SegmentMap<K,V>::set (line 417)
[INFO] [stdout]     src/map/iterators.rs - map::iterators::SegmentMap<K,V>::iter (line 65)
[INFO] [stdout]     src/set.rs - set::SegmentSet (line 25)
[INFO] [stdout]     src/set.rs - set::SegmentSet<T>::get_range_for (line 132)
[INFO] [stdout]     src/set.rs - set::SegmentSet<T>::retain (line 242)
[INFO] [stdout]     src/set.rs - set::SegmentSet<T>::split_off (line 313)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 37 passed; 16 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.88s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "45ba5e1616c5c9510772c900bd2b984ab1cd038ea01b777457fcc6ecd88f3cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ba5e1616c5c9510772c900bd2b984ab1cd038ea01b777457fcc6ecd88f3cdd", kill_on_drop: false }`
[INFO] [stdout] 45ba5e1616c5c9510772c900bd2b984ab1cd038ea01b777457fcc6ecd88f3cdd