[INFO] cloning repository https://github.com/PaulGrandperrin/playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PaulGrandperrin/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 572ff41ccdfa72771a37fd9ab89f37e9b5451041
[INFO] checking PaulGrandperrin/playground against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fplayground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PaulGrandperrin/playground
[INFO] finished tweaking git repo https://github.com/PaulGrandperrin/playground
[INFO] tweaked toml for git repo https://github.com/PaulGrandperrin/playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PaulGrandperrin/playground 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] crate git repo https://github.com/PaulGrandperrin/playground 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f78d28a9c2abcbee8db6432a23900d5b55751cde29d8f07363c006133ac6222c
[INFO] running `Command { std: "docker" "start" "-a" "f78d28a9c2abcbee8db6432a23900d5b55751cde29d8f07363c006133ac6222c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f78d28a9c2abcbee8db6432a23900d5b55751cde29d8f07363c006133ac6222c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78d28a9c2abcbee8db6432a23900d5b55751cde29d8f07363c006133ac6222c", kill_on_drop: false }`
[INFO] [stdout] f78d28a9c2abcbee8db6432a23900d5b55751cde29d8f07363c006133ac6222c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8bbf2a2a18cbe3b78cd9ce43d909fa0359eee2061abaee16ee3b1d17fe83a989
[INFO] running `Command { std: "docker" "start" "-a" "8bbf2a2a18cbe3b78cd9ce43d909fa0359eee2061abaee16ee3b1d17fe83a989", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking color-backtrace v0.1.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/algorithm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Insert`
[INFO] [stdout]   --> src/algorithm.rs:12:62
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::non_volatile::object::tree::{BufferNode, Message, Insert};
[INFO] [stdout]    |                                                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::ConstObjType`
[INFO] [stdout]   --> src/algorithm.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use crate::common::ConstObjType;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/algorithm.rs:302:20
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 if (num_of_candidates_for_cur_child > BUF_SIZE) { // BIG TODO find a better heuristic
[INFO] [stdout]     |                    ^                                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 302 -                 if (num_of_candidates_for_cur_child > BUF_SIZE) { // BIG TODO find a better heuristic
[INFO] [stdout] 302 +                 if num_of_candidates_for_cur_child > BUF_SIZE  { // BIG TODO find a better heuristic
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::ConstObjType`
[INFO] [stdout]  --> src/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::common::ConstObjType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::non_volatile::object::object_type::ObjectType`
[INFO] [stdout]  --> src/context.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::non_volatile::object::object_type::ObjectType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LeafNode`, `LeafType`, and `NodeEntry`
[INFO] [stdout]  --> src/context.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::non_volatile::object::tree::{LeafNode, LeafType, NodeEntry, Message, Insert};
[INFO] [stdout]   |                                         ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/context.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/context.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/non_volatile/object/any_rc_object.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryInto`
[INFO] [stdout]  --> src/non_volatile/object/any_rc_object.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `Buf`
[INFO] [stdout]  --> src/non_volatile/object/object_pointer.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bytes::{Buf, BufMut};
[INFO] [stdout]   |             ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/non_volatile/object/object_pointer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/non_volatile/object/object_pointer.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]   = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/non_volatile/object/object_pointer.rs:9:42
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]   = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/non_volatile/object/tree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Deserializer`, `SeqAccess`, `Visitor`, and `self`
[INFO] [stdout]  --> src/non_volatile/object/tree.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, Deserializer, SeqAccess, Visitor};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SerializeStruct`, `Serialize`, and `Serializer`
[INFO] [stdout]  --> src/non_volatile/object/tree.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::ser::{Serialize, SerializeStruct, Serializer};
[INFO] [stdout]   |                  ^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/non_volatile/object/tree/internal_node.rs:45:42
[INFO] [stdout]    |
[INFO] [stdout] 45 |             _p: std::marker::PhantomData<(K)>,
[INFO] [stdout]    |                                          ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             _p: std::marker::PhantomData<(K)>,
[INFO] [stdout] 45 +             _p: std::marker::PhantomData<K >,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/non_volatile/object/tree/buffer_node.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `any_node::AnyNode`
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use any_node::AnyNode;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `Buf`
[INFO] [stdout]  --> src/non_volatile/object/uberblock.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{Buf, BufMut};
[INFO] [stdout]   |             ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::format_err`
[INFO] [stdout]  --> src/non_volatile/object/uberblock.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use failure::format_err;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/non_volatile/object/uberblock.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/non_volatile/object/uberblock.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     non_exhaustive,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     uniform_paths,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `dbg_macro` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     dbg_macro,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     try_from,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/algorithm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Insert`
[INFO] [stdout]   --> src/algorithm.rs:12:62
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::non_volatile::object::tree::{BufferNode, Message, Insert};
[INFO] [stdout]    |                                                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::ConstObjType`
[INFO] [stdout]   --> src/algorithm.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use crate::common::ConstObjType;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/algorithm.rs:302:20
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 if (num_of_candidates_for_cur_child > BUF_SIZE) { // BIG TODO find a better heuristic
[INFO] [stdout]     |                    ^                                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 302 -                 if (num_of_candidates_for_cur_child > BUF_SIZE) { // BIG TODO find a better heuristic
[INFO] [stdout] 302 +                 if num_of_candidates_for_cur_child > BUF_SIZE  { // BIG TODO find a better heuristic
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::ConstObjType`
[INFO] [stdout]  --> src/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::common::ConstObjType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::non_volatile::object::object_type::ObjectType`
[INFO] [stdout]  --> src/context.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::non_volatile::object::object_type::ObjectType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LeafNode`, `LeafType`, and `NodeEntry`
[INFO] [stdout]  --> src/context.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::non_volatile::object::tree::{LeafNode, LeafType, NodeEntry, Message, Insert};
[INFO] [stdout]   |                                         ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/context.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/context.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/non_volatile/object/any_rc_object.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryInto`
[INFO] [stdout]  --> src/non_volatile/object/any_rc_object.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `Buf`
[INFO] [stdout]  --> src/non_volatile/object/object_pointer.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bytes::{Buf, BufMut};
[INFO] [stdout]   |             ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/non_volatile/object/object_pointer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/non_volatile/object/object_pointer.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]   = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/non_volatile/object/object_pointer.rs:9:42
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]   = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn process_sortedmap(sm: &mut SortedMap<&str, &str>) {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn process_sortedmap(sm: &mut dyn SortedMap<&str, &str>) {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/non_volatile/object/tree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Deserializer`, `SeqAccess`, `Visitor`, and `self`
[INFO] [stdout]  --> src/non_volatile/object/tree.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, Deserializer, SeqAccess, Visitor};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SerializeStruct`, `Serialize`, and `Serializer`
[INFO] [stdout]  --> src/non_volatile/object/tree.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::ser::{Serialize, SerializeStruct, Serializer};
[INFO] [stdout]   |                  ^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/non_volatile/object/tree/internal_node.rs:45:42
[INFO] [stdout]    |
[INFO] [stdout] 45 |             _p: std::marker::PhantomData<(K)>,
[INFO] [stdout]    |                                          ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             _p: std::marker::PhantomData<(K)>,
[INFO] [stdout] 45 +             _p: std::marker::PhantomData<K >,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/non_volatile/object/tree/buffer_node.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `any_node::AnyNode`
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use any_node::AnyNode;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `Buf`
[INFO] [stdout]  --> src/non_volatile/object/uberblock.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{Buf, BufMut};
[INFO] [stdout]   |             ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::format_err`
[INFO] [stdout]  --> src/non_volatile/object/uberblock.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use failure::format_err;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/non_volatile/object/uberblock.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/non_volatile/object/uberblock.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     non_exhaustive,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     uniform_paths,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `dbg_macro` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     dbg_macro,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     try_from,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn process_sortedmap(sm: &mut SortedMap<&str, &str>) {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn process_sortedmap(sm: &mut dyn SortedMap<&str, &str>) {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return Ok(());
[INFO] [stdout]    |     ------------- any code following this expression is unreachable
[INFO] [stdout] 31 |     ctx.commit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::ConstObjType`
[INFO] [stdout]  --> src/non_volatile/manager.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::common::ConstObjType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return Ok(());
[INFO] [stdout]    |     ------------- any code following this expression is unreachable
[INFO] [stdout] 31 |     ctx.commit();
[INFO] [stdout]    |     ^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::ConstObjType`
[INFO] [stdout]  --> src/non_volatile/manager.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::common::ConstObjType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `FileBackend::write` that must be used
[INFO] [stdout]   --> src/non_volatile/manager.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             nv_blk_dev.write(i * Uberblock::RAW_SIZE as u64, &ub_raw);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let _ = nv_blk_dev.write(i * Uberblock::RAW_SIZE as u64, &ub_raw);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `FileBackend::write` that must be used
[INFO] [stdout]    --> src/non_volatile/manager.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self.nv_blk_dev.write(ub_offset, &ub_raw);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let _ = self.nv_blk_dev.write(ub_offset, &ub_raw);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `FileBackend::write` that must be used
[INFO] [stdout]    --> src/non_volatile/manager.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         nv_blk_dev.write(offset, &obj_raw);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let _ = nv_blk_dev.write(offset, &obj_raw);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/object_pointer.rs:9:24
[INFO] [stdout]    |
[INFO] [stdout]  9 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^---------------
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Serialize` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_ObjectPointer`
[INFO] [stdout] 10 | pub struct ObjectPointer {
[INFO] [stdout]    |            ------------- `ObjectPointer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/object_pointer.rs:9:42
[INFO] [stdout]    |
[INFO] [stdout]  9 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^-----------------
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          `Deserialize` is not local
[INFO] [stdout]    |                                          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_ObjectPointer`
[INFO] [stdout] 10 | pub struct ObjectPointer {
[INFO] [stdout]    |            ------------- `ObjectPointer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^---------------
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Serialize` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_NodeEntry`
[INFO] [stdout] 26 | pub struct NodeEntry<K, V> {
[INFO] [stdout]    |            --------- `NodeEntry` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^-----------------
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          `Deserialize` is not local
[INFO] [stdout]    |                                          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_NodeEntry`
[INFO] [stdout] 26 | pub struct NodeEntry<K, V> {
[INFO] [stdout]    |            --------- `NodeEntry` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^---------------
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Serialize` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Insert`
[INFO] [stdout] 11 | pub struct Insert<V> {
[INFO] [stdout]    |            ------ `Insert` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^-----------------
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          `Deserialize` is not local
[INFO] [stdout]    |                                          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Insert`
[INFO] [stdout] 11 | pub struct Insert<V> {
[INFO] [stdout]    |            ------ `Insert` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^---------------
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Serialize` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Message`
[INFO] [stdout] 16 | pub enum Message<V> {
[INFO] [stdout]    |          ------- `Message` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^-----------------
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          `Deserialize` is not local
[INFO] [stdout]    |                                          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Message`
[INFO] [stdout] 16 | pub enum Message<V> {
[INFO] [stdout]    |          ------- `Message` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `never_type` is declared but not used
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     never_type
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `FileBackend::write` that must be used
[INFO] [stdout]   --> src/non_volatile/manager.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             nv_blk_dev.write(i * Uberblock::RAW_SIZE as u64, &ub_raw);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let _ = nv_blk_dev.write(i * Uberblock::RAW_SIZE as u64, &ub_raw);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `FileBackend::write` that must be used
[INFO] [stdout]    --> src/non_volatile/manager.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self.nv_blk_dev.write(ub_offset, &ub_raw);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let _ = self.nv_blk_dev.write(ub_offset, &ub_raw);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `FileBackend::write` that must be used
[INFO] [stdout]    --> src/non_volatile/manager.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         nv_blk_dev.write(offset, &obj_raw);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let _ = nv_blk_dev.write(offset, &obj_raw);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/object_pointer.rs:9:24
[INFO] [stdout]    |
[INFO] [stdout]  9 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^---------------
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Serialize` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_ObjectPointer`
[INFO] [stdout] 10 | pub struct ObjectPointer {
[INFO] [stdout]    |            ------------- `ObjectPointer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/object_pointer.rs:9:42
[INFO] [stdout]    |
[INFO] [stdout]  9 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^-----------------
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          `Deserialize` is not local
[INFO] [stdout]    |                                          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_ObjectPointer`
[INFO] [stdout] 10 | pub struct ObjectPointer {
[INFO] [stdout]    |            ------------- `ObjectPointer` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^---------------
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Serialize` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_NodeEntry`
[INFO] [stdout] 26 | pub struct NodeEntry<K, V> {
[INFO] [stdout]    |            --------- `NodeEntry` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^-----------------
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          `Deserialize` is not local
[INFO] [stdout]    |                                          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_NodeEntry`
[INFO] [stdout] 26 | pub struct NodeEntry<K, V> {
[INFO] [stdout]    |            --------- `NodeEntry` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^---------------
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Serialize` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Insert`
[INFO] [stdout] 11 | pub struct Insert<V> {
[INFO] [stdout]    |            ------ `Insert` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^-----------------
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          `Deserialize` is not local
[INFO] [stdout]    |                                          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Insert`
[INFO] [stdout] 11 | pub struct Insert<V> {
[INFO] [stdout]    |            ------ `Insert` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                        ^---------------
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Serialize` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Message`
[INFO] [stdout] 16 | pub enum Message<V> {
[INFO] [stdout]    |          ------- `Message` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/non_volatile/object/tree/buffer_node.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                          ^-----------------
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          `Deserialize` is not local
[INFO] [stdout]    |                                          move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Message`
[INFO] [stdout] 16 | pub enum Message<V> {
[INFO] [stdout]    |          ------- `Message` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `never_type` is declared but not used
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     never_type
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.05s
[INFO] running `Command { std: "docker" "inspect" "8bbf2a2a18cbe3b78cd9ce43d909fa0359eee2061abaee16ee3b1d17fe83a989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bbf2a2a18cbe3b78cd9ce43d909fa0359eee2061abaee16ee3b1d17fe83a989", kill_on_drop: false }`
[INFO] [stdout] 8bbf2a2a18cbe3b78cd9ce43d909fa0359eee2061abaee16ee3b1d17fe83a989
