[INFO] fetching crate object-space 0.1.1...
[INFO] testing object-space-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate object-space 0.1.1 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate object-space 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate object-space 0.1.1
[INFO] finished tweaking crates.io crate object-space 0.1.1
[INFO] tweaked toml for crates.io crate object-space 0.1.1 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 120ee7b4c40a7680dba486cf1c3cec4f096d81ece776114beb021865a69f6a3f
[INFO] running `Command { std: "docker" "start" "-a" "120ee7b4c40a7680dba486cf1c3cec4f096d81ece776114beb021865a69f6a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "120ee7b4c40a7680dba486cf1c3cec4f096d81ece776114beb021865a69f6a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120ee7b4c40a7680dba486cf1c3cec4f096d81ece776114beb021865a69f6a3f", kill_on_drop: false }`
[INFO] [stdout] 120ee7b4c40a7680dba486cf1c3cec4f096d81ece776114beb021865a69f6a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90b9dabd66564afcf3fc75437a33fd8d874b445b16404ec1c161318bb78eb441
[INFO] running `Command { std: "docker" "start" "-a" "90b9dabd66564afcf3fc75437a33fd8d874b445b16404ec1c161318bb78eb441", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling object-space v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/object_space.rs:859:9
[INFO] [stdout]     |
[INFO] [stdout] 859 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | #![feature(collections_range)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `collections_range` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | #![feature(collections_range)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/entry/mod.rs:83:68
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn get_all_by_value<'a>(&'a self, field: &str, key: &U) -> Box<Iterator<Item = Value> + 'a>;
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     fn get_all_by_value<'a>(&'a self, field: &str, key: &U) -> Box<Iterator<Item = Value> + 'a>;
[INFO] [stdout] 83 +     fn get_all_by_value<'a>(&'a self, field: &str, key: &U) -> Box<dyn Iterator<Item = Value> + 'a>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/entry/mod.rs:138:72
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn get_all_by_range<'a, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = Value> + 'a>
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 -     fn get_all_by_range<'a, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = Value> + 'a>
[INFO] [stdout] 138 +     fn get_all_by_range<'a, R>(&'a self, field: &str, range: R) -> Box<dyn Iterator<Item = Value> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/entry/mod.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn get_all<'a>(&'a self) -> Box<Iterator<Item = Value> + 'a> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     pub fn get_all<'a>(&'a self) -> Box<Iterator<Item = Value> + 'a> {
[INFO] [stdout] 39 +     pub fn get_all<'a>(&'a self) -> Box<dyn Iterator<Item = Value> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/entry/mod.rs:99:82
[INFO] [stdout]     |
[INFO] [stdout] 99  |                 fn get_all_by_value<'a>(&'a self, field: &str, key: &$ty) -> Box<Iterator<Item = Value> + 'a> {
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 | impl_value_lookup_entry!{i64 String bool f64}
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_value_lookup_entry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 99  -                 fn get_all_by_value<'a>(&'a self, field: &str, key: &$ty) -> Box<Iterator<Item = Value> + 'a> {
[INFO] [stdout] 99  +                 fn get_all_by_value<'a>(&'a self, field: &str, key: &$ty) -> Box<dyn Iterator<Item = Value> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/entry/mod.rs:162:84
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 fn get_all_by_range<'a, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = Value> + 'a> 
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 | impl_range_lookup_entry!{i64 String f64}
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_range_lookup_entry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 162 -                 fn get_all_by_range<'a, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = Value> + 'a> 
[INFO] [stdout] 162 +                 fn get_all_by_range<'a, R>(&'a self, field: &str, range: R) -> Box<dyn Iterator<Item = Value> + 'a> 
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object_space.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn read_all<'a, T>(&'a self) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 -     fn read_all<'a, T>(&'a self) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 78 +     fn read_all<'a, T>(&'a self) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:137:41
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn take_all<'a, T>(&'a self) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 137 -     fn take_all<'a, T>(&'a self) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 137 +     fn take_all<'a, T>(&'a self) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:213:76
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn read_all_by_range<'a, T, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 213 -     fn read_all_by_range<'a, T, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 213 +     fn read_all_by_range<'a, T, R>(&'a self, field: &str, range: R) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:272:76
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn take_all_by_range<'a, T, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 272 -     fn take_all_by_range<'a, T, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 272 +     fn take_all_by_range<'a, T, R>(&'a self, field: &str, range: R) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:350:72
[INFO] [stdout]     |
[INFO] [stdout] 350 |     fn read_all_by_value<'a, T>(&'a self, field: &str, key: &U) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 350 -     fn read_all_by_value<'a, T>(&'a self, field: &str, key: &U) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 350 +     fn read_all_by_value<'a, T>(&'a self, field: &str, key: &U) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:406:72
[INFO] [stdout]     |
[INFO] [stdout] 406 |     fn take_all_by_value<'a, T>(&'a self, field: &str, key: &U) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 406 -     fn take_all_by_value<'a, T>(&'a self, field: &str, key: &U) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 406 +     fn take_all_by_value<'a, T>(&'a self, field: &str, key: &U) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:522:41
[INFO] [stdout]     |
[INFO] [stdout] 522 |     fn read_all<'a, T>(&'a self) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 522 -     fn read_all<'a, T>(&'a self) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 522 +     fn read_all<'a, T>(&'a self) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:576:41
[INFO] [stdout]     |
[INFO] [stdout] 576 |     fn take_all<'a, T>(&'a self) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 576 -     fn take_all<'a, T>(&'a self) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 576 +     fn take_all<'a, T>(&'a self) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:636:88
[INFO] [stdout]     |
[INFO] [stdout] 636 |                 fn read_all_by_range<'a, T, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 855 | object_range!{i64 String f64}
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `object_range` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 636 -                 fn read_all_by_range<'a, T, R>(&'a self, field: &str, range: R) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 636 +                 fn read_all_by_range<'a, T, R>(&'a self, field: &str, range: R) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:693:26
[INFO] [stdout]     |
[INFO] [stdout] 693 |                 ) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 855 | object_range!{i64 String f64}
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `object_range` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 693 -                 ) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 693 +                 ) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:757:86
[INFO] [stdout]     |
[INFO] [stdout] 757 |                 fn read_all_by_value<'a, T>(&'a self, field: &str, key: &$ty) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 856 | object_key!{i64 String bool f64}
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `object_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 757 -                 fn read_all_by_value<'a, T>(&'a self, field: &str, key: &$ty) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 757 +                 fn read_all_by_value<'a, T>(&'a self, field: &str, key: &$ty) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/object_space.rs:811:26
[INFO] [stdout]     |
[INFO] [stdout] 811 |                 ) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 856 | object_key!{i64 String bool f64}
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `object_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 811 -                 ) -> Box<Iterator<Item = T> + 'a>
[INFO] [stdout] 811 +                 ) -> Box<dyn Iterator<Item = T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/entry/indexer.rs:192:14
[INFO] [stdout]     |
[INFO] [stdout] 192 |     ) -> Box<Iterator<Item = u64> + 'a>;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 192 -     ) -> Box<Iterator<Item = u64> + 'a>;
[INFO] [stdout] 192 +     ) -> Box<dyn Iterator<Item = u64> + 'a>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/entry/indexer.rs:264:14
[INFO] [stdout]     |
[INFO] [stdout] 264 |     ) -> Box<Iterator<Item = u64> + 'a>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 264 -     ) -> Box<Iterator<Item = u64> + 'a>
[INFO] [stdout] 264 +     ) -> Box<dyn Iterator<Item = u64> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/entry/indexer.rs:211:28
[INFO] [stdout]     |
[INFO] [stdout] 211 |                     -> Box<Iterator<Item = u64> + 'a> {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 | impl_value_lookup_indexer!{ [IntLeaf, i64] [StringLeaf, String] [BoolLeaf, bool] [FloatLeaf, NotNaN<f64>] }
[INFO] [stdout]     | ----------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_value_lookup_indexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 211 -                     -> Box<Iterator<Item = u64> + 'a> {
[INFO] [stdout] 211 +                     -> Box<dyn Iterator<Item = u64> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/entry/indexer.rs:247:14
[INFO] [stdout]     |
[INFO] [stdout] 247 |     ) -> Box<Iterator<Item = u64> + 'a> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 247 -     ) -> Box<Iterator<Item = u64> + 'a> {
[INFO] [stdout] 247 +     ) -> Box<dyn Iterator<Item = u64> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/entry/indexer.rs:298:26
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 ) -> Box<Iterator<Item = u64> + 'a>
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 321 | impl_range_lookup_indexer!{ [IntLeaf, i64] [StringLeaf, String] [FloatLeaf, NotNaN<f64>] }
[INFO] [stdout]     | ------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_range_lookup_indexer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 298 -                 ) -> Box<Iterator<Item = u64> + 'a>
[INFO] [stdout] 298 +                 ) -> Box<dyn Iterator<Item = u64> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/entry/indexer.rs:335:14
[INFO] [stdout]     |
[INFO] [stdout] 335 |     ) -> Box<Iterator<Item = u64> + 'a>
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 335 -     ) -> Box<Iterator<Item = u64> + 'a>
[INFO] [stdout] 335 +     ) -> Box<dyn Iterator<Item = u64> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `object-space` due to 2 previous errors; 25 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "90b9dabd66564afcf3fc75437a33fd8d874b445b16404ec1c161318bb78eb441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b9dabd66564afcf3fc75437a33fd8d874b445b16404ec1c161318bb78eb441", kill_on_drop: false }`
[INFO] [stdout] 90b9dabd66564afcf3fc75437a33fd8d874b445b16404ec1c161318bb78eb441