[INFO] cloning repository https://github.com/axion014/json-trait
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axion014/json-trait" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxion014%2Fjson-trait", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxion014%2Fjson-trait'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33114dc0f97f6835627d65c65b81fe161a6b44de
[INFO] checking axion014/json-trait against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxion014%2Fjson-trait" "/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/axion014/json-trait
[INFO] finished tweaking git repo https://github.com/axion014/json-trait
[INFO] tweaked toml for git repo https://github.com/axion014/json-trait written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/axion014/json-trait on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/axion014/cc-traits`
[INFO] [stderr]     Updating git repository `https://github.com/axion014/inline-json`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bbd2924bb200a3c35bd346ab32a3df4b1920462e09f9bfc4a3ac1d5f8db9567
[INFO] running `Command { std: "docker" "start" "-a" "6bbd2924bb200a3c35bd346ab32a3df4b1920462e09f9bfc4a3ac1d5f8db9567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bbd2924bb200a3c35bd346ab32a3df4b1920462e09f9bfc4a3ac1d5f8db9567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbd2924bb200a3c35bd346ab32a3df4b1920462e09f9bfc4a3ac1d5f8db9567", kill_on_drop: false }`
[INFO] [stdout] 6bbd2924bb200a3c35bd346ab32a3df4b1920462e09f9bfc4a3ac1d5f8db9567
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09c37929d7262231942f8849532b737b6bbd337ed3a1b2f67cadfcef844e4345
[INFO] running `Command { std: "docker" "start" "-a" "09c37929d7262231942f8849532b737b6bbd337ed3a1b2f67cadfcef844e4345", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cc-traits v0.4.0 (https://github.com/axion014/cc-traits?branch=serde-json-map#52b16363)
[INFO] [stderr]    Compiling inline-json v0.1.0 (https://github.com/axion014/inline-json#62c1a59f)
[INFO] [stderr]     Checking json-trait v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/array.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     where
[INFO] [stdout] 39 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout]    = note: `#[warn(deprecated_where_clause_location)]` on by default
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 37 ~     type Iter<'a>
[INFO] [stdout] 38 ~     = std::slice::Iter<'a, T> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/array.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     where
[INFO] [stdout] 50 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 48 ~     type IterMut<'a>
[INFO] [stdout] 49 ~     = std::slice::IterMut<'a, T> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/object.rs:41:2
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     where
[INFO] [stdout] 42 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 40 ~     type Iter<'a>
[INFO] [stdout] 41 ~     = std::iter::Map<std::collections::hash_map::Iter<'a, String, T>, fn((&'a String, &'a T)) -> (&'a str, &'a T)> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/object.rs:52:2
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     where
[INFO] [stdout] 53 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 51 ~     type IterMut<'a>
[INFO] [stdout] 52 ~     = std::iter::Map<std::collections::hash_map::IterMut<'a, String, T>, fn((&'a String, &'a mut T)) -> (&'a str, &'a mut T)> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/object.rs:63:2
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     where
[INFO] [stdout] 64 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 62 ~     type Iter<'a>
[INFO] [stdout] 63 ~     = std::iter::Map<std::collections::btree_map::Iter<'a, String, T>, fn((&'a String, &'a T)) -> (&'a str, &'a T)> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/object.rs:74:2
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     where
[INFO] [stdout] 75 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 73 ~     type IterMut<'a>
[INFO] [stdout] 74 ~     = std::iter::Map<std::collections::btree_map::IterMut<'a, String, T>, fn((&'a String, &'a mut T)) -> (&'a str, &'a mut T)> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types, associated_type_bounds)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types, associated_type_bounds)]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/array.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     where
[INFO] [stdout] 39 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout]    = note: `#[warn(deprecated_where_clause_location)]` on by default
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 37 ~     type Iter<'a>
[INFO] [stdout] 38 ~     = std::slice::Iter<'a, T> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/array.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     where
[INFO] [stdout] 50 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 48 ~     type IterMut<'a>
[INFO] [stdout] 49 ~     = std::slice::IterMut<'a, T> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/object.rs:41:2
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     where
[INFO] [stdout] 42 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 40 ~     type Iter<'a>
[INFO] [stdout] 41 ~     = std::iter::Map<std::collections::hash_map::Iter<'a, String, T>, fn((&'a String, &'a T)) -> (&'a str, &'a T)> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/object.rs:52:2
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     where
[INFO] [stdout] 53 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 51 ~     type IterMut<'a>
[INFO] [stdout] 52 ~     = std::iter::Map<std::collections::hash_map::IterMut<'a, String, T>, fn((&'a String, &'a mut T)) -> (&'a str, &'a mut T)> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/object.rs:63:2
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     where
[INFO] [stdout] 64 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 62 ~     type Iter<'a>
[INFO] [stdout] 63 ~     = std::iter::Map<std::collections::btree_map::Iter<'a, String, T>, fn((&'a String, &'a T)) -> (&'a str, &'a T)> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/object.rs:74:2
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     where
[INFO] [stdout] 75 | |         T: 'a
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 73 ~     type IterMut<'a>
[INFO] [stdout] 74 ~     = std::iter::Map<std::collections::btree_map::IterMut<'a, String, T>, fn((&'a String, &'a mut T)) -> (&'a str, &'a mut T)> where T: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types, associated_type_bounds)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types, associated_type_bounds)]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:20:47
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_attr<'a>(&'a self, k: &str) -> Option<&Self> {
[INFO] [stdout]    |                      --                          ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_attr<'a>(&'a self, k: &str) -> Option<&'a Self> {
[INFO] [stdout]    |                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn get_index<'a>(&'a self, i: usize) -> Option<&Self> {
[INFO] [stdout]    |                       --                           ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn get_index<'a>(&'a self, i: usize) -> Option<&'a Self> {
[INFO] [stdout]    |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:40:55
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get_attr_mut<'a>(&'a mut self, k: &str) -> Option<&mut Self> {
[INFO] [stdout]    |                          -- the lifetime is named here   ^^^^^^^^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get_attr_mut<'a>(&'a mut self, k: &str) -> Option<&'a mut Self> {
[INFO] [stdout]    |                                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:44:57
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_index_mut<'a>(&'a mut self, i: usize) -> Option<&mut Self> {
[INFO] [stdout]    |                           -- the lifetime is named here    ^^^^^^^^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_index_mut<'a>(&'a mut self, i: usize) -> Option<&'a mut Self> {
[INFO] [stdout]    |                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:20:47
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_attr<'a>(&'a self, k: &str) -> Option<&Self> {
[INFO] [stdout]    |                      --                          ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_attr<'a>(&'a self, k: &str) -> Option<&'a Self> {
[INFO] [stdout]    |                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn get_index<'a>(&'a self, i: usize) -> Option<&Self> {
[INFO] [stdout]    |                       --                           ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn get_index<'a>(&'a self, i: usize) -> Option<&'a Self> {
[INFO] [stdout]    |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:40:55
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get_attr_mut<'a>(&'a mut self, k: &str) -> Option<&mut Self> {
[INFO] [stdout]    |                          -- the lifetime is named here   ^^^^^^^^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get_attr_mut<'a>(&'a mut self, k: &str) -> Option<&'a mut Self> {
[INFO] [stdout]    |                                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:44:57
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_index_mut<'a>(&'a mut self, i: usize) -> Option<&mut Self> {
[INFO] [stdout]    |                           -- the lifetime is named here    ^^^^^^^^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_index_mut<'a>(&'a mut self, i: usize) -> Option<&'a mut Self> {
[INFO] [stdout]    |                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "09c37929d7262231942f8849532b737b6bbd337ed3a1b2f67cadfcef844e4345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c37929d7262231942f8849532b737b6bbd337ed3a1b2f67cadfcef844e4345", kill_on_drop: false }`
[INFO] [stdout] 09c37929d7262231942f8849532b737b6bbd337ed3a1b2f67cadfcef844e4345
