[INFO] fetching crate mapped_futures 0.2.1...
[INFO] testing mapped_futures-0.2.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mapped_futures 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mapped_futures 0.2.1
[INFO] finished tweaking crates.io crate mapped_futures 0.2.1
[INFO] tweaked toml for crates.io crate mapped_futures 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mapped_futures 0.2.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mapped_futures 0.2.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bisetmap v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95c703e6666b6f79001e91275dced48551886a486686b3e862aa19ed86d69840
[INFO] running `Command { std: "docker" "start" "-a" "95c703e6666b6f79001e91275dced48551886a486686b3e862aa19ed86d69840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95c703e6666b6f79001e91275dced48551886a486686b3e862aa19ed86d69840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c703e6666b6f79001e91275dced48551886a486686b3e862aa19ed86d69840", kill_on_drop: false }`
[INFO] [stdout] 95c703e6666b6f79001e91275dced48551886a486686b3e862aa19ed86d69840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 220a8479048b4f6c133ce698ca1c4152849d5747bf2d7f96a56f269227628887
[INFO] running `Command { std: "docker" "start" "-a" "220a8479048b4f6c133ce698ca1c4152849d5747bf2d7f96a56f269227628887", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling bisetmap v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling mapped_futures v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:346:24
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn get_mut<'a>(&mut self, key: &K) -> Option<FutMut<K, Fut>>
[INFO] [stdout]     |                        ^^^^^^^^^                     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn get_mut<'a>(&mut self, key: &K) -> Option<FutMut<'_, K, Fut>>
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_futures.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<FutMut<(L, R), Fut>>
[INFO] [stdout]    |                    ^^^^^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<FutMut<'_, (L, R), Fut>>
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_futures.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option<Pin<FutMut<(L, R), Fut>>> {
[INFO] [stdout]    |                        ^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option<Pin<FutMut<'_, (L, R), Fut>>> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_futures.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<L, R, Fut>
[INFO] [stdout]    |                          ^^^^^^^^^               ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<'_, L, R, Fut>
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bi_multi_map_futures.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<L, R, Fut>
[INFO] [stdout]     |                         ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<'_, L, R, Fut>
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bi_multi_map_futures.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<L, R, Fut> {
[INFO] [stdout]     |                              ^^^^^^^^^               ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<'_, L, R, Fut> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bi_multi_map_futures.rs:119:29
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<L, R, Fut> {
[INFO] [stdout]     |                             ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<'_, L, R, Fut> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_streams.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<StMut<(L, R), St>>
[INFO] [stdout]    |                    ^^^^^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<StMut<'_, (L, R), St>>
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "220a8479048b4f6c133ce698ca1c4152849d5747bf2d7f96a56f269227628887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220a8479048b4f6c133ce698ca1c4152849d5747bf2d7f96a56f269227628887", kill_on_drop: false }`
[INFO] [stdout] 220a8479048b4f6c133ce698ca1c4152849d5747bf2d7f96a56f269227628887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79d0e4afac645349a7ac5bfaf4f48c061d7eb35581147841db5749d55614c8b5
[INFO] running `Command { std: "docker" "start" "-a" "79d0e4afac645349a7ac5bfaf4f48c061d7eb35581147841db5749d55614c8b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling mapped_futures v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:346:24
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn get_mut<'a>(&mut self, key: &K) -> Option<FutMut<K, Fut>>
[INFO] [stdout]     |                        ^^^^^^^^^                     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn get_mut<'a>(&mut self, key: &K) -> Option<FutMut<'_, K, Fut>>
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_futures.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<FutMut<(L, R), Fut>>
[INFO] [stdout]    |                    ^^^^^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<FutMut<'_, (L, R), Fut>>
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_futures.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option<Pin<FutMut<(L, R), Fut>>> {
[INFO] [stdout]    |                        ^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option<Pin<FutMut<'_, (L, R), Fut>>> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_futures.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<L, R, Fut>
[INFO] [stdout]    |                          ^^^^^^^^^               ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<'_, L, R, Fut>
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bi_multi_map_futures.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<L, R, Fut>
[INFO] [stdout]     |                         ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<'_, L, R, Fut>
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bi_multi_map_futures.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<L, R, Fut> {
[INFO] [stdout]     |                              ^^^^^^^^^               ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<'_, L, R, Fut> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bi_multi_map_futures.rs:119:29
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<L, R, Fut> {
[INFO] [stdout]     |                             ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<'_, L, R, Fut> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_streams.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<StMut<(L, R), St>>
[INFO] [stdout]    |                    ^^^^^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<StMut<'_, (L, R), St>>
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:346:24
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn get_mut<'a>(&mut self, key: &K) -> Option<FutMut<K, Fut>>
[INFO] [stdout]     |                        ^^^^^^^^^                     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn get_mut<'a>(&mut self, key: &K) -> Option<FutMut<'_, K, Fut>>
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_futures.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<FutMut<(L, R), Fut>>
[INFO] [stdout]    |                    ^^^^^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<FutMut<'_, (L, R), Fut>>
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_futures.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option<Pin<FutMut<(L, R), Fut>>> {
[INFO] [stdout]    |                        ^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option<Pin<FutMut<'_, (L, R), Fut>>> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_futures.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<L, R, Fut>
[INFO] [stdout]    |                          ^^^^^^^^^               ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<'_, L, R, Fut>
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bi_multi_map_futures.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<L, R, Fut>
[INFO] [stdout]     |                         ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<'_, L, R, Fut>
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bi_multi_map_futures.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<L, R, Fut> {
[INFO] [stdout]     |                              ^^^^^^^^^               ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<'_, L, R, Fut> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bi_multi_map_futures.rs:119:29
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<L, R, Fut> {
[INFO] [stdout]     |                             ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<'_, L, R, Fut> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bi_multi_map_streams.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<StMut<(L, R), St>>
[INFO] [stdout]    |                    ^^^^^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<StMut<'_, (L, R), St>>
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "79d0e4afac645349a7ac5bfaf4f48c061d7eb35581147841db5749d55614c8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d0e4afac645349a7ac5bfaf4f48c061d7eb35581147841db5749d55614c8b5", kill_on_drop: false }`
[INFO] [stdout] 79d0e4afac645349a7ac5bfaf4f48c061d7eb35581147841db5749d55614c8b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 448ec9cd83378facd053e46d30caf92212fe1b91f31c3a6cac17518b63904efd
[INFO] running `Command { std: "docker" "start" "-a" "448ec9cd83378facd053e46d30caf92212fe1b91f31c3a6cac17518b63904efd", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:346:24
[INFO] [stderr]     |
[INFO] [stderr] 346 |     pub fn get_mut<'a>(&mut self, key: &K) -> Option<FutMut<K, Fut>>
[INFO] [stderr]     |                        ^^^^^^^^^                     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 346 |     pub fn get_mut<'a>(&mut self, key: &K) -> Option<FutMut<'_, K, Fut>>
[INFO] [stderr]     |                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/bi_multi_map_futures.rs:81:20
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<FutMut<(L, R), Fut>>
[INFO] [stderr]    |                    ^^^^^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<FutMut<'_, (L, R), Fut>>
[INFO] [stderr]    |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/bi_multi_map_futures.rs:89:24
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option<Pin<FutMut<(L, R), Fut>>> {
[INFO] [stderr]    |                        ^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn get_pin_mut(&mut self, left: &L, right: &R) -> Option<Pin<FutMut<'_, (L, R), Fut>>> {
[INFO] [stderr]    |                                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/bi_multi_map_futures.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<L, R, Fut>
[INFO] [stderr]    |                          ^^^^^^^^^               ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn get_right_mut(&mut self, left: &L) -> RightIterMut<'_, L, R, Fut>
[INFO] [stderr]    |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/bi_multi_map_futures.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<L, R, Fut>
[INFO] [stderr]     |                         ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn get_left_mut(&mut self, right: &R) -> LeftIterMut<'_, L, R, Fut>
[INFO] [stderr]     |                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/bi_multi_map_futures.rs:113:30
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<L, R, Fut> {
[INFO] [stderr]     |                              ^^^^^^^^^               ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn get_right_pin_mut(&mut self, left: &L) -> RightIterPinMut<'_, L, R, Fut> {
[INFO] [stderr]     |                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/bi_multi_map_futures.rs:119:29
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<L, R, Fut> {
[INFO] [stderr]     |                             ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn get_left_pin_mut(&mut self, right: &R) -> LeftIterPinMut<'_, L, R, Fut> {
[INFO] [stderr]     |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/bi_multi_map_streams.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<StMut<(L, R), St>>
[INFO] [stderr]    |                    ^^^^^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn get_mut(&mut self, left: &L, right: &R) -> Option<StMut<'_, (L, R), St>>
[INFO] [stderr]    |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mapped_futures` (lib) generated 8 warnings (run `cargo fix --lib -p mapped_futures` to apply 8 suggestions)
[INFO] [stderr] warning: `mapped_futures` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mapped_futures-5ca182db9e8cd82d)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test bi_multi_map_streams::tests::map_streams ... ok
[INFO] [stdout] test tests::add_duplicate ... ok
[INFO] [stdout] test tests::wake_mutate ... ok
[INFO] [stdout] test mapped_streams::tests::map_streams ... ok
[INFO] [stdout] test tests::remove_unpinned ... ok
[INFO] [stdout] test bi_multi_map_streams::tests::remove_streams ... ok
[INFO] [stdout] test mapped_streams::tests::remove_streams ... ok
[INFO] [stdout] test bi_multi_map_futures::tests::bi_multi_map_futures ... ok
[INFO] [stdout] test tests::map_futures ... ok
[INFO] [stdout] test tests::remove_pinned ... ok
[INFO] [stdout] test bi_multi_map_futures::tests::iter ... ok
[INFO] [stdout] test bi_multi_map_streams::tests::mutate_streams ... ok
[INFO] [stdout] test mapped_streams::tests::mutate_streams ... ok
[INFO] [stdout] test tests::mutate ... ok
[INFO] [stderr]    Doc-tests mapped_futures
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "448ec9cd83378facd053e46d30caf92212fe1b91f31c3a6cac17518b63904efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448ec9cd83378facd053e46d30caf92212fe1b91f31c3a6cac17518b63904efd", kill_on_drop: false }`
[INFO] [stdout] 448ec9cd83378facd053e46d30caf92212fe1b91f31c3a6cac17518b63904efd
