[INFO] cloning repository https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabclmnoxyz%2Finheritance_using_rc_refcell_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabclmnoxyz%2Finheritance_using_rc_refcell_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51c9e028391d4fd25c3f450c800642dc8d83c806
[INFO] checking abclmnoxyz/inheritance_using_rc_refcell_in_rust against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabclmnoxyz%2Finheritance_using_rc_refcell_in_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust
[INFO] finished tweaking git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust
[INFO] tweaked toml for git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking abclmnoxyz/inheritance_using_rc_refcell_in_rust against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabclmnoxyz%2Finheritance_using_rc_refcell_in_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust
[INFO] finished tweaking git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust
[INFO] tweaked toml for git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abclmnoxyz/inheritance_using_rc_refcell_in_rust 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 266629efce526ad9280cb1852e85eb7438928762da5b45ca6e65a123c45b1b6b
[INFO] running `Command { std: "docker" "start" "-a" "266629efce526ad9280cb1852e85eb7438928762da5b45ca6e65a123c45b1b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "266629efce526ad9280cb1852e85eb7438928762da5b45ca6e65a123c45b1b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266629efce526ad9280cb1852e85eb7438928762da5b45ca6e65a123c45b1b6b", kill_on_drop: false }`
[INFO] [stdout] 266629efce526ad9280cb1852e85eb7438928762da5b45ca6e65a123c45b1b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca70b87e1c45768a582390985419f3fb4641897103e3988c035081fedbfbcc4
[INFO] running `Command { std: "docker" "start" "-a" "fca70b87e1c45768a582390985419f3fb4641897103e3988c035081fedbfbcc4", kill_on_drop: false }`
[INFO] [stderr]     Checking inheritance_using_rc_refcell_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::t_inheritance::IntoBaseRef`
[INFO] [stdout]  --> src/node/i_node.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::t_inheritance::IntoBaseRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/derived/element/inheritance_impl.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn borrow_as_object_ref(&self) -> Ref<Element> {
[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] 62 |     fn borrow_as_object_ref(&self) -> Ref<'_, Element> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/derived/element/inheritance_impl.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn borrow_as_object_mut(&mut self) -> RefMut<Element> {
[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] 66 |     fn borrow_as_object_mut(&mut self) -> RefMut<'_, Element> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/derived/element/inheritance_impl.rs:73:35
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn borrowed_concrete_type_ref(&self) -> ElementBorrowedConcreteTypeRef {
[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] 73 |     fn borrowed_concrete_type_ref(&self) -> ElementBorrowedConcreteTypeRef<'_> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/derived/element/inheritance_impl.rs:80:35
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn borrowed_concrete_type_mut(&self) -> ElementBorrowedConcreteTypeMut {
[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] 80 |     fn borrowed_concrete_type_mut(&self) -> ElementBorrowedConcreteTypeMut<'_> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn borrow_as_object_ref(&self) -> Ref<Node> {
[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] 55 |     fn borrow_as_object_ref(&self) -> Ref<'_, Node> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn borrow_as_object_mut(&mut self) -> RefMut<Node> {
[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] 59 |     fn borrow_as_object_mut(&mut self) -> RefMut<'_, Node> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:65:33
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn try_borrow_as_object_ref(&self) -> Option<Ref<Element>> {
[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] 65 |     fn try_borrow_as_object_ref(&self) -> Option<Ref<'_, Element>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn try_borrow_as_object_mut(&mut self) -> Option<RefMut<Element>> {
[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] 72 |     fn try_borrow_as_object_mut(&mut self) -> Option<RefMut<'_, Element>> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:81:39
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn borrowed_concrete_type_ref(&self) -> NodeBorrowedConcreteTypeRef {
[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] 81 |     pub fn borrowed_concrete_type_ref(&self) -> NodeBorrowedConcreteTypeRef<'_> {
[INFO] [stdout]    |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:91:39
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn borrowed_concrete_type_mut(&self) -> NodeBorrowedConcreteTypeMut {
[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] 91 |     pub fn borrowed_concrete_type_mut(&self) -> NodeBorrowedConcreteTypeMut<'_> {
[INFO] [stdout]    |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/t_inheritance.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn try_borrow_as_object_ref(&self) -> Option<Ref<T>>;
[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] 4 |     fn try_borrow_as_object_ref(&self) -> Option<Ref<'_, T>>;
[INFO] [stdout]   |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/t_inheritance.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn try_borrow_as_object_mut(&mut self) -> Option<RefMut<T>>;
[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] 5 |     fn try_borrow_as_object_mut(&mut self) -> Option<RefMut<'_, T>>;
[INFO] [stdout]   |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/t_inheritance.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn borrow_as_object_ref(&self) -> Ref<T>;
[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] 9 |     fn borrow_as_object_ref(&self) -> Ref<'_, T>;
[INFO] [stdout]   |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/t_inheritance.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn borrow_as_object_mut(&mut self) -> RefMut<T>;
[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] 10 |     fn borrow_as_object_mut(&mut self) -> RefMut<'_, T>;
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/derived/element/inheritance_impl.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn borrow_as_object_ref(&self) -> Ref<Element> {
[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] 62 |     fn borrow_as_object_ref(&self) -> Ref<'_, Element> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/derived/element/inheritance_impl.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn borrow_as_object_mut(&mut self) -> RefMut<Element> {
[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] 66 |     fn borrow_as_object_mut(&mut self) -> RefMut<'_, Element> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/derived/element/inheritance_impl.rs:73:35
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn borrowed_concrete_type_ref(&self) -> ElementBorrowedConcreteTypeRef {
[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] 73 |     fn borrowed_concrete_type_ref(&self) -> ElementBorrowedConcreteTypeRef<'_> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/derived/element/inheritance_impl.rs:80:35
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn borrowed_concrete_type_mut(&self) -> ElementBorrowedConcreteTypeMut {
[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] 80 |     fn borrowed_concrete_type_mut(&self) -> ElementBorrowedConcreteTypeMut<'_> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn borrow_as_object_ref(&self) -> Ref<Node> {
[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] 55 |     fn borrow_as_object_ref(&self) -> Ref<'_, Node> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn borrow_as_object_mut(&mut self) -> RefMut<Node> {
[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] 59 |     fn borrow_as_object_mut(&mut self) -> RefMut<'_, Node> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:65:33
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn try_borrow_as_object_ref(&self) -> Option<Ref<Element>> {
[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] 65 |     fn try_borrow_as_object_ref(&self) -> Option<Ref<'_, Element>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn try_borrow_as_object_mut(&mut self) -> Option<RefMut<Element>> {
[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] 72 |     fn try_borrow_as_object_mut(&mut self) -> Option<RefMut<'_, Element>> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:81:39
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn borrowed_concrete_type_ref(&self) -> NodeBorrowedConcreteTypeRef {
[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] 81 |     pub fn borrowed_concrete_type_ref(&self) -> NodeBorrowedConcreteTypeRef<'_> {
[INFO] [stdout]    |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node/inheritance_impl.rs:91:39
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn borrowed_concrete_type_mut(&self) -> NodeBorrowedConcreteTypeMut {
[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] 91 |     pub fn borrowed_concrete_type_mut(&self) -> NodeBorrowedConcreteTypeMut<'_> {
[INFO] [stdout]    |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/t_inheritance.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn try_borrow_as_object_ref(&self) -> Option<Ref<T>>;
[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] 4 |     fn try_borrow_as_object_ref(&self) -> Option<Ref<'_, T>>;
[INFO] [stdout]   |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/t_inheritance.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn try_borrow_as_object_mut(&mut self) -> Option<RefMut<T>>;
[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] 5 |     fn try_borrow_as_object_mut(&mut self) -> Option<RefMut<'_, T>>;
[INFO] [stdout]   |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/t_inheritance.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn borrow_as_object_ref(&self) -> Ref<T>;
[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] 9 |     fn borrow_as_object_ref(&self) -> Ref<'_, T>;
[INFO] [stdout]   |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/t_inheritance.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn borrow_as_object_mut(&mut self) -> RefMut<T>;
[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] 10 |     fn borrow_as_object_mut(&mut self) -> RefMut<'_, T>;
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "fca70b87e1c45768a582390985419f3fb4641897103e3988c035081fedbfbcc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca70b87e1c45768a582390985419f3fb4641897103e3988c035081fedbfbcc4", kill_on_drop: false }`
[INFO] [stdout] fca70b87e1c45768a582390985419f3fb4641897103e3988c035081fedbfbcc4