[INFO] cloning repository https://github.com/sueken5/chicchaidb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sueken5/chicchaidb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsueken5%2Fchicchaidb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsueken5%2Fchicchaidb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 051722917613fb2ede739be857be5ab3fd09fdf5
[INFO] checking sueken5/chicchaidb against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsueken5%2Fchicchaidb" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sueken5/chicchaidb
[INFO] finished tweaking git repo https://github.com/sueken5/chicchaidb
[INFO] tweaked toml for git repo https://github.com/sueken5/chicchaidb written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sueken5/chicchaidb on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sueken5/chicchaidb 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sueken5/chicchaidb against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsueken5%2Fchicchaidb" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sueken5/chicchaidb
[INFO] finished tweaking git repo https://github.com/sueken5/chicchaidb
[INFO] tweaked toml for git repo https://github.com/sueken5/chicchaidb written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sueken5/chicchaidb on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sueken5/chicchaidb 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sueken5/chicchaidb against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsueken5%2Fchicchaidb" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sueken5/chicchaidb
[INFO] finished tweaking git repo https://github.com/sueken5/chicchaidb
[INFO] tweaked toml for git repo https://github.com/sueken5/chicchaidb written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sueken5/chicchaidb on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sueken5/chicchaidb 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sueken5/chicchaidb against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsueken5%2Fchicchaidb" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sueken5/chicchaidb
[INFO] finished tweaking git repo https://github.com/sueken5/chicchaidb
[INFO] tweaked toml for git repo https://github.com/sueken5/chicchaidb written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sueken5/chicchaidb on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sueken5/chicchaidb 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded serde v1.0.88
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded syn v0.15.26
[INFO] [stderr]   Downloaded bincode v1.1.2
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5216f16c69b63ed4bc7c21869eb975e721947905514429a3e6a42f8aa45cbd7b
[INFO] running `Command { std: "docker" "start" "5216f16c69b63ed4bc7c21869eb975e721947905514429a3e6a42f8aa45cbd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5216f16c69b63ed4bc7c21869eb975e721947905514429a3e6a42f8aa45cbd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5216f16c69b63ed4bc7c21869eb975e721947905514429a3e6a42f8aa45cbd7b" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5216f16c69b63ed4bc7c21869eb975e721947905514429a3e6a42f8aa45cbd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5216f16c69b63ed4bc7c21869eb975e721947905514429a3e6a42f8aa45cbd7b" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking chicchaidb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/btree/key_value.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize, 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 `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 `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/btree/key_value.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:77:23
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Copy, Clone, Serialize, 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 `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 `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/btree/disk_btree.rs:77:34
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Copy, Clone, Serialize, 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 `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 `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/btree/disk_btree.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:203:10
[INFO] [stdout]     |
[INFO] [stdout] 203 | #[derive(Serialize, Deserialize, Copy, Clone)]
[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 `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 `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/btree/disk_btree.rs:203:21
[INFO] [stdout]     |
[INFO] [stdout] 203 | #[derive(Serialize, Deserialize, Copy, Clone)]
[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 `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 `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/btree/disk_btree.rs:209:10
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[derive(Serialize, Deserialize, Clone)]
[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 `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 `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/btree/disk_btree.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[derive(Serialize, Deserialize, Clone)]
[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 `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 `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/btree/disk_btree.rs:256:10
[INFO] [stdout]     |
[INFO] [stdout] 256 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:256:21
[INFO] [stdout]     |
[INFO] [stdout] 256 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:40:62
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn new(file_path: String) -> Result<BTree<'d, K, V>, Box<Error>> {
[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] 40 |     fn new(file_path: String) -> Result<BTree<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/disk_btree.rs:57:62
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn insert(&mut self, key: K, value: V) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn insert(&mut self, key: K, value: V) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/disk_btree.rs:97:111
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn new(file: &mut File, id: NodeID, width: usize, elms: Vec<Elm<'d, K, V>>) -> Result<Node<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn new(file: &mut File, id: NodeID, width: usize, elms: Vec<Elm<'d, K, V>>) -> Result<Node<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:111:119
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn insert(&mut self, file: &mut File, count: &mut usize, elm: Elm<'d, K, V>) -> Result<Option<Elm<'d, K, V>>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn insert(&mut self, file: &mut File, count: &mut usize, elm: Elm<'d, K, V>) -> Result<Option<Elm<'d, K, V>>, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:146:100
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn balance(&mut self, file: &mut File, count: &mut usize) -> Result<Option<Elm<'d, K, V>>, Box<Error>>{
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn balance(&mut self, file: &mut File, count: &mut usize) -> Result<Option<Elm<'d, K, V>>, Box<dyn Error>>{
[INFO] [stdout]     |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:164:71
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn save(file: &mut File, node: &Node<'d, K, V>) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn save(file: &mut File, node: &Node<'d, K, V>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:180:72
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn open(file: &mut File, id: NodeID) -> Result<Node<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn open(file: &mut File, id: NodeID) -> Result<Node<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:267:42
[INFO] [stdout]     |
[INFO] [stdout] 267 |     ) -> Result<DiskBtree<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 267 |     ) -> Result<DiskBtree<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:302:42
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn is_new(&self) -> Result<bool, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn is_new(&self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:311:48
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn initialize(&mut self) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn initialize(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:332:52
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn metadata(&mut self) -> Result<MetaData, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn metadata(&mut self) -> Result<MetaData, Box<dyn Error>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:349:41
[INFO] [stdout]     |
[INFO] [stdout] 349 |     fn mapping(&self) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 349 |     fn mapping(&self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mem_btree.rs:12:52
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Result<MemBtree<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Result<MemBtree<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/wal.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ) -> Result<WAL<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ) -> Result<WAL<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/wal.rs:19:68
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn insert(&mut self, key: &K, value: &V) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn insert(&mut self, key: &K, value: &V) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/record_file.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ) -> Result<RecordFile<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ) -> Result<RecordFile<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/record_file.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn is_new(&self) -> Result<bool, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn is_new(&self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/record_file.rs:47:77
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn insert(&mut self, kv: &KeyValuePair<'d, K, V>) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn insert(&mut self, kv: &KeyValuePair<'d, K, V>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mod.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ) -> Result<Btree<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ) -> Result<Btree<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mod.rs:40:66
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn insert(&mut self, key: K, value: V) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn insert(&mut self, key: K, value: V) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mod.rs:53:43
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn merge(&mut self) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn merge(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mod.rs:57:47
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn close(&mut self) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn close(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/btree/key_value.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize, 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 `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 `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/btree/key_value.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:77:23
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Copy, Clone, Serialize, 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 `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 `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/btree/disk_btree.rs:77:34
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Copy, Clone, Serialize, 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 `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 `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/btree/disk_btree.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:203:10
[INFO] [stdout]     |
[INFO] [stdout] 203 | #[derive(Serialize, Deserialize, Copy, Clone)]
[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 `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 `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/btree/disk_btree.rs:203:21
[INFO] [stdout]     |
[INFO] [stdout] 203 | #[derive(Serialize, Deserialize, Copy, Clone)]
[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 `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 `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/btree/disk_btree.rs:209:10
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[derive(Serialize, Deserialize, Clone)]
[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 `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 `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/btree/disk_btree.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[derive(Serialize, Deserialize, Clone)]
[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 `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 `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/btree/disk_btree.rs:256:10
[INFO] [stdout]     |
[INFO] [stdout] 256 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:256:21
[INFO] [stdout]     |
[INFO] [stdout] 256 | #[derive(Serialize, 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 `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 `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/btree/disk_btree.rs:40:62
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn new(file_path: String) -> Result<BTree<'d, K, V>, Box<Error>> {
[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] 40 |     fn new(file_path: String) -> Result<BTree<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/disk_btree.rs:57:62
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn insert(&mut self, key: K, value: V) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn insert(&mut self, key: K, value: V) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/disk_btree.rs:97:111
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn new(file: &mut File, id: NodeID, width: usize, elms: Vec<Elm<'d, K, V>>) -> Result<Node<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn new(file: &mut File, id: NodeID, width: usize, elms: Vec<Elm<'d, K, V>>) -> Result<Node<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:111:119
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn insert(&mut self, file: &mut File, count: &mut usize, elm: Elm<'d, K, V>) -> Result<Option<Elm<'d, K, V>>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn insert(&mut self, file: &mut File, count: &mut usize, elm: Elm<'d, K, V>) -> Result<Option<Elm<'d, K, V>>, Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:146:100
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn balance(&mut self, file: &mut File, count: &mut usize) -> Result<Option<Elm<'d, K, V>>, Box<Error>>{
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn balance(&mut self, file: &mut File, count: &mut usize) -> Result<Option<Elm<'d, K, V>>, Box<dyn Error>>{
[INFO] [stdout]     |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:164:71
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn save(file: &mut File, node: &Node<'d, K, V>) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn save(file: &mut File, node: &Node<'d, K, V>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:180:72
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn open(file: &mut File, id: NodeID) -> Result<Node<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn open(file: &mut File, id: NodeID) -> Result<Node<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:267:42
[INFO] [stdout]     |
[INFO] [stdout] 267 |     ) -> Result<DiskBtree<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 267 |     ) -> Result<DiskBtree<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:302:42
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn is_new(&self) -> Result<bool, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn is_new(&self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:311:48
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn initialize(&mut self) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn initialize(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:332:52
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn metadata(&mut self) -> Result<MetaData, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn metadata(&mut self) -> Result<MetaData, Box<dyn Error>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/btree/disk_btree.rs:349:41
[INFO] [stdout]     |
[INFO] [stdout] 349 |     fn mapping(&self) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 349 |     fn mapping(&self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mem_btree.rs:12:52
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Result<MemBtree<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Result<MemBtree<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/wal.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ) -> Result<WAL<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ) -> Result<WAL<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/wal.rs:19:68
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn insert(&mut self, key: &K, value: &V) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn insert(&mut self, key: &K, value: &V) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/record_file.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ) -> Result<RecordFile<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ) -> Result<RecordFile<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/record_file.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn is_new(&self) -> Result<bool, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn is_new(&self) -> Result<bool, Box<dyn Error>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/record_file.rs:47:77
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn insert(&mut self, kv: &KeyValuePair<'d, K, V>) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn insert(&mut self, kv: &KeyValuePair<'d, K, V>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mod.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ) -> Result<Btree<'d, K, V>, Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ) -> Result<Btree<'d, K, V>, Box<dyn Error>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mod.rs:40:66
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn insert(&mut self, key: K, value: V) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn insert(&mut self, key: K, value: V) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mod.rs:53:43
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn merge(&mut self) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn merge(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/btree/mod.rs:57:47
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn close(&mut self) -> Result<(), Box<Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn close(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `K: Deserialize<'_>`
[INFO] [stdout]     --> src/btree/key_value.rs:11:21
[INFO] [stdout]      |
[INFO] [stdout]   11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `K: Deserialize<'_>` found
[INFO] [stdout]     --> src/btree/key_value.rs:11:21
[INFO] [stdout]      |
[INFO] [stdout]   11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]   12 | pub struct KeyValuePair<'d, K: KeyType<'d>, V: ValueType<'d>> {
[INFO] [stdout]      |                                ^^^^^^^^^^^
[INFO] [stdout] note: required for `__Visitor<'_, 'd, K, V>` to implement `Visitor<'de>`
[INFO] [stdout]     --> src/btree/key_value.rs:11:21
[INFO] [stdout]      |
[INFO] [stdout]   11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^ type parameter would need to implement `Visitor<'de>`
[INFO] [stdout]      = help: consider manually implementing `Visitor<'de>` to avoid undesired bounds caused by "imperfect derives"
[INFO] [stdout]      = note: to learn more, visit <https://github.com/rust-lang/rust/issues/26925>
[INFO] [stdout] note: required by a bound in `deserialize_struct`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1113:12
[INFO] [stdout]      |
[INFO] [stdout] 1106 |     fn deserialize_struct<V>(
[INFO] [stdout]      |        ------------------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 1113 |         V: Visitor<'de>;
[INFO] [stdout]      |            ^^^^^^^^^^^^ required by this bound in `Deserializer::deserialize_struct`
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/chicchaidb-9383009f2ad913a1.long-type-723967931996831809.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]      = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d K: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/key_value.rs:13:10
[INFO] [stdout]      |
[INFO] [stdout]   13 |     key: &'d K,
[INFO] [stdout]      |          ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d K`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1699:12
[INFO] [stdout]      |
[INFO] [stdout] 1697 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1698 |     where
[INFO] [stdout] 1699 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]   13 -     key: &'d K,
[INFO] [stdout]   13 +     key: K,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d V: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/key_value.rs:14:12
[INFO] [stdout]      |
[INFO] [stdout]   14 |     value: &'d V,
[INFO] [stdout]      |            ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d V`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1699:12
[INFO] [stdout]      |
[INFO] [stdout] 1697 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1698 |     where
[INFO] [stdout] 1699 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]   14 -     value: &'d V,
[INFO] [stdout]   14 +     value: V,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d K: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/key_value.rs:13:10
[INFO] [stdout]      |
[INFO] [stdout]   13 |     key: &'d K,
[INFO] [stdout]      |          ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d K`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1838:12
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout]      |        ---------- required by a bound in this associated function
[INFO] [stdout] 1837 |     where
[INFO] [stdout] 1838 |         V: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]   13 -     key: &'d K,
[INFO] [stdout]   13 +     key: K,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d V: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/key_value.rs:14:12
[INFO] [stdout]      |
[INFO] [stdout]   14 |     value: &'d V,
[INFO] [stdout]      |            ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d V`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1838:12
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout]      |        ---------- required by a bound in this associated function
[INFO] [stdout] 1837 |     where
[INFO] [stdout] 1838 |         V: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]   14 -     value: &'d V,
[INFO] [stdout]   14 +     value: V,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&K: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/btree/key_value.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `&K`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `key_value::serde::private::de::missing_field`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/private/de.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn missing_field<'de, V, E>(field: &'static str) -> Result<V, E>
[INFO] [stdout]    |        ------------- required by a bound in this function
[INFO] [stdout] 18 | where
[INFO] [stdout] 19 |     V: Deserialize<'de>,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ required by this bound in `missing_field`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&V: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/btree/key_value.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `&V`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `key_value::serde::private::de::missing_field`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/private/de.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn missing_field<'de, V, E>(field: &'static str) -> Result<V, E>
[INFO] [stdout]    |        ------------- required by a bound in this function
[INFO] [stdout] 18 | where
[INFO] [stdout] 19 |     V: Deserialize<'de>,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ required by this bound in `missing_field`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `K: Deserialize<'_>`
[INFO] [stdout]     --> src/btree/key_value.rs:11:21
[INFO] [stdout]      |
[INFO] [stdout]   11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `K: Deserialize<'_>` found
[INFO] [stdout]     --> src/btree/key_value.rs:11:21
[INFO] [stdout]      |
[INFO] [stdout]   11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]   12 | pub struct KeyValuePair<'d, K: KeyType<'d>, V: ValueType<'d>> {
[INFO] [stdout]      |                                ^^^^^^^^^^^
[INFO] [stdout] note: required for `__Visitor<'_, 'd, K, V>` to implement `Visitor<'de>`
[INFO] [stdout]     --> src/btree/key_value.rs:11:21
[INFO] [stdout]      |
[INFO] [stdout]   11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^ type parameter would need to implement `Visitor<'de>`
[INFO] [stdout]      = help: consider manually implementing `Visitor<'de>` to avoid undesired bounds caused by "imperfect derives"
[INFO] [stdout]      = note: to learn more, visit <https://github.com/rust-lang/rust/issues/26925>
[INFO] [stdout] note: required by a bound in `deserialize_struct`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1113:12
[INFO] [stdout]      |
[INFO] [stdout] 1106 |     fn deserialize_struct<V>(
[INFO] [stdout]      |        ------------------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 1113 |         V: Visitor<'de>;
[INFO] [stdout]      |            ^^^^^^^^^^^^ required by this bound in `Deserializer::deserialize_struct`
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/chicchaidb-cd789794c1ee67ee.long-type-2914443599714146946.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]      = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d K: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/key_value.rs:13:10
[INFO] [stdout]      |
[INFO] [stdout]   13 |     key: &'d K,
[INFO] [stdout]      |          ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d K`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1699:12
[INFO] [stdout]      |
[INFO] [stdout] 1697 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1698 |     where
[INFO] [stdout] 1699 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]   13 -     key: &'d K,
[INFO] [stdout]   13 +     key: K,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d V: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/key_value.rs:14:12
[INFO] [stdout]      |
[INFO] [stdout]   14 |     value: &'d V,
[INFO] [stdout]      |            ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d V`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1699:12
[INFO] [stdout]      |
[INFO] [stdout] 1697 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1698 |     where
[INFO] [stdout] 1699 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]   14 -     value: &'d V,
[INFO] [stdout]   14 +     value: V,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/btree/key_value.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> KeyValuePair<'d, K, V> {
[INFO] [stdout]    |          - found this type parameter
[INFO] [stdout] 18 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stdout] 19 |         KeyValuePair { key, value }
[INFO] [stdout]    |                        ^^^ expected `&K`, found type parameter `K`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected reference `&_`
[INFO] [stdout]            found type parameter `_`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 19 |         KeyValuePair { key: &key, value }
[INFO] [stdout]    |                        ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/btree/key_value.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> KeyValuePair<'d, K, V> {
[INFO] [stdout]    |                          - found this type parameter
[INFO] [stdout] 18 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stdout] 19 |         KeyValuePair { key, value }
[INFO] [stdout]    |                             ^^^^^ expected `&V`, found type parameter `V`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected reference `&_`
[INFO] [stdout]            found type parameter `_`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 19 |         KeyValuePair { key, value: &value }
[INFO] [stdout]    |                             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' (293) panicked at /rustc-dev/760e1de835e253bf28bbcbfee38b5e8ed9ffe074/compiler/rustc_trait_selection/src/solve/fulfill/derive_errors.rs:121:17:
[INFO] [stdout] error[E0277]: the trait bound `&'d K: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/key_value.rs:13:10
[INFO] [stdout]      |
[INFO] [stdout]   13 |     key: &'d K,
[INFO] [stdout]      |          ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d K`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1838:12
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout]      |        ---------- required by a bound in this associated function
[INFO] [stdout] 1837 |     where
[INFO] [stdout] 1838 |         V: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]   13 -     key: &'d K,
[INFO] [stdout]   13 +     key: K,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Box<dyn Any>
[INFO] [stdout] error[E0277]: the trait bound `&'d V: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/key_value.rs:14:12
[INFO] [stdout]      |
[INFO] [stdout]   14 |     value: &'d V,
[INFO] [stdout]      |            ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d V`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1838:12
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout]      |        ---------- required by a bound in this associated function
[INFO] [stdout] 1837 |     where
[INFO] [stdout] 1838 |         V: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]   14 -     value: &'d V,
[INFO] [stdout]   14 +     value: V,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] stack backtrace:
[INFO] [stdout] error[E0277]: the trait bound `&K: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/btree/key_value.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `&K`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `key_value::serde::private::de::missing_field`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/private/de.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn missing_field<'de, V, E>(field: &'static str) -> Result<V, E>
[INFO] [stdout]    |        ------------- required by a bound in this function
[INFO] [stdout] 18 | where
[INFO] [stdout] 19 |     V: Deserialize<'de>,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ required by this bound in `missing_field`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0277]: the trait bound `&V: Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/btree/key_value.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `&V`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `key_value::serde::private::de::missing_field`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/private/de.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn missing_field<'de, V, E>(field: &'static str) -> Result<V, E>
[INFO] [stdout]    |        ------------- required by a bound in this function
[INFO] [stdout] 18 | where
[INFO] [stdout] 19 |     V: Deserialize<'de>,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ required by this bound in `missing_field`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' (294) panicked at /rustc-dev/760e1de835e253bf28bbcbfee38b5e8ed9ffe074/compiler/rustc_trait_selection/src/solve/fulfill/derive_errors.rs:121:17:
[INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `K: Deserialize<'_>`
[INFO] [stdout]     --> src/btree/disk_btree.rs:87:21
[INFO] [stdout]      |
[INFO] [stdout]   87 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `K: Deserialize<'_>` found
[INFO] [stdout]     --> src/btree/disk_btree.rs:87:21
[INFO] [stdout]      |
[INFO] [stdout]   87 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]   88 | struct Node<'d, K: KeyType<'d>, V: ValueType<'d>> {
[INFO] [stdout]      |                    ^^^^^^^^^^^
[INFO] [stdout] note: required for `__Visitor<'_, 'd, K, V>` to implement `Visitor<'de>`
[INFO] [stdout]     --> src/btree/disk_btree.rs:87:21
[INFO] [stdout]      |
[INFO] [stdout]   87 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^ type parameter would need to implement `Visitor<'de>`
[INFO] [stdout]      = help: consider manually implementing `Visitor<'de>` to avoid undesired bounds caused by "imperfect derives"
[INFO] [stdout]      = note: to learn more, visit <https://github.com/rust-lang/rust/issues/26925>
[INFO] [stdout] note: required by a bound in `deserialize_struct`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1113:12
[INFO] [stdout]      |
[INFO] [stdout] 1106 |     fn deserialize_struct<V>(
[INFO] [stdout]      |        ------------------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 1113 |         V: Visitor<'de>;
[INFO] [stdout]      |            ^^^^^^^^^^^^ required by this bound in `Deserializer::deserialize_struct`
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/chicchaidb-9383009f2ad913a1.long-type-4326566422058440398.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]      = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Box<dyn Any>
[INFO] [stdout] error: internal compiler error: /rustc-dev/760e1de835e253bf28bbcbfee38b5e8ed9ffe074/compiler/rustc_trait_selection/src/solve/fulfill/derive_errors.rs:121:17: did not expect successful goal when collecting ambiguity errors for `Binder { value: TraitPredicate(<std::vec::Vec<btree::disk_btree::Elm<'d, K, V>> as btree::key_value::serde::Deserialize<'_>>, polarity:Positive), bound_vars: [] }`
[INFO] [stdout]   --> src/btree/disk_btree.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error: internal compiler error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] stack backtrace:
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/btree/key_value.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> KeyValuePair<'d, K, V> {
[INFO] [stdout]    |          - found this type parameter
[INFO] [stdout] 18 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stdout] 19 |         KeyValuePair { key, value }
[INFO] [stdout]    |                        ^^^ expected `&K`, found type parameter `K`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected reference `&_`
[INFO] [stdout]            found type parameter `_`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 19 |         KeyValuePair { key: &key, value }
[INFO] [stdout]    |                        ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    0:     0x760c12d01266 - <<std[e661cfe796188cfd]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7f2cb237a7e3b66e]::fmt::Display>::fmt
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/btree/key_value.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> KeyValuePair<'d, K, V> {
[INFO] [stdout]    |                          - found this type parameter
[INFO] [stdout] 18 |     pub fn new(key: K, value: V) -> Self {
[INFO] [stdout] 19 |         KeyValuePair { key, value }
[INFO] [stdout]    |                             ^^^^^ expected `&V`, found type parameter `V`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected reference `&_`
[INFO] [stdout]            found type parameter `_`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 19 |         KeyValuePair { key, value: &value }
[INFO] [stdout]    |                             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    1:     0x760c13415ad2 - core[7f2cb237a7e3b66e]::fmt::write
[INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `K: Deserialize<'_>`
[INFO] [stdout]     --> src/btree/disk_btree.rs:87:21
[INFO] [stdout]      |
[INFO] [stdout]   87 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `K: Deserialize<'_>` found
[INFO] [stdout]     --> src/btree/disk_btree.rs:87:21
[INFO] [stdout]      |
[INFO] [stdout]   87 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]   88 | struct Node<'d, K: KeyType<'d>, V: ValueType<'d>> {
[INFO] [stdout]      |                    ^^^^^^^^^^^
[INFO] [stdout] note: required for `__Visitor<'_, 'd, K, V>` to implement `Visitor<'de>`
[INFO] [stdout]     --> src/btree/disk_btree.rs:87:21
[INFO] [stdout]      |
[INFO] [stdout]   87 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]      |                     ^^^^^^^^^^^ type parameter would need to implement `Visitor<'de>`
[INFO] [stdout]      = help: consider manually implementing `Visitor<'de>` to avoid undesired bounds caused by "imperfect derives"
[INFO] [stdout]      = note: to learn more, visit <https://github.com/rust-lang/rust/issues/26925>
[INFO] [stdout] note: required by a bound in `deserialize_struct`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1113:12
[INFO] [stdout]      |
[INFO] [stdout] 1106 |     fn deserialize_struct<V>(
[INFO] [stdout]      |        ------------------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 1113 |         V: Visitor<'de>;
[INFO] [stdout]      |            ^^^^^^^^^^^^ required by this bound in `Deserializer::deserialize_struct`
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/chicchaidb-cd789794c1ee67ee.long-type-17064476954067109682.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]      = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    2:     0x760c12d163bc - <std[e661cfe796188cfd]::sys::stdio::unix::Stderr as core[7f2cb237a7e3b66e]::io::write::Write>::write_fmt
[INFO] [stdout] error: internal compiler error: /rustc-dev/760e1de835e253bf28bbcbfee38b5e8ed9ffe074/compiler/rustc_trait_selection/src/solve/fulfill/derive_errors.rs:121:17: did not expect successful goal when collecting ambiguity errors for `Binder { value: TraitPredicate(<std::vec::Vec<btree::disk_btree::Elm<'d, K, V>> as btree::key_value::serde::Deserialize<'_>>, polarity:Positive), bound_vars: [] }`
[INFO] [stdout]   --> src/btree/disk_btree.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error: internal compiler error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    3:     0x760c12cd2f5a - std[e661cfe796188cfd]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x760c12cf39c3 - std[e661cfe796188cfd]::panicking::default_hook
[INFO] [stderr]    5:     0x760c11c3221b - std[e661cfe796188cfd]::panicking::update_hook::<alloc[c2f28060de380903]::boxed::Box<rustc_driver_impl[def15c3bf0656866]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x760c12cf3e62 - std[e661cfe796188cfd]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x760c11c5f774 - std[e661cfe796188cfd]::panicking::begin_panic::<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>::{closure#0}
[INFO] [stderr]    8:     0x760c11c58776 - std[e661cfe796188cfd]::sys::backtrace::__rust_end_short_backtrace::<std[e661cfe796188cfd]::panicking::begin_panic<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]    9:     0x760c11c584ab - std[e661cfe796188cfd]::panicking::begin_panic::<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>
[INFO] [stderr]   10:     0x760c11c6b491 - <rustc_errors[a9f80a8f44d00f79]::diagnostic::BugAbort as rustc_errors[a9f80a8f44d00f79]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   11:     0x760c121ce7cc - <rustc_errors[a9f80a8f44d00f79]::DiagCtxtHandle>::span_bug::<rustc_span[463a76bbfb2b972b]::span_encoding::Span, alloc[c2f28060de380903]::string::String>
[INFO] [stderr]   12:     0x760c121fcbb6 - rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt::<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x760c121fcd42 - rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_opt::<rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x760c121e89bb - rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_context_opt::<rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_opt<rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x760c0ff2d588 - rustc_middle[947f43eaa8c1e30a]::util::bug::span_bug_fmt::<rustc_span[463a76bbfb2b972b]::span_encoding::Span>
[INFO] [stderr]    0:     0x7fe891501266 - <<std[e661cfe796188cfd]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7f2cb237a7e3b66e]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7fe891c15ad2 - core[7f2cb237a7e3b66e]::fmt::write
[INFO] [stderr]    2:     0x7fe8915163bc - <std[e661cfe796188cfd]::sys::stdio::unix::Stderr as core[7f2cb237a7e3b66e]::io::write::Write>::write_fmt
[INFO] [stderr]    3:     0x7fe8914d2f5a - std[e661cfe796188cfd]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7fe8914f39c3 - std[e661cfe796188cfd]::panicking::default_hook
[INFO] [stderr]    5:     0x7fe89043221b - std[e661cfe796188cfd]::panicking::update_hook::<alloc[c2f28060de380903]::boxed::Box<rustc_driver_impl[def15c3bf0656866]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7fe8914f3e62 - std[e661cfe796188cfd]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x7fe89045f774 - std[e661cfe796188cfd]::panicking::begin_panic::<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>::{closure#0}
[INFO] [stderr]    8:     0x7fe890458776 - std[e661cfe796188cfd]::sys::backtrace::__rust_end_short_backtrace::<std[e661cfe796188cfd]::panicking::begin_panic<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]    9:     0x7fe8904584ab - std[e661cfe796188cfd]::panicking::begin_panic::<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>
[INFO] [stderr]   10:     0x7fe89046b491 - <rustc_errors[a9f80a8f44d00f79]::diagnostic::BugAbort as rustc_errors[a9f80a8f44d00f79]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   11:     0x7fe8909ce7cc - <rustc_errors[a9f80a8f44d00f79]::DiagCtxtHandle>::span_bug::<rustc_span[463a76bbfb2b972b]::span_encoding::Span, alloc[c2f28060de380903]::string::String>
[INFO] [stderr]   12:     0x7fe8909fcbb6 - rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt::<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x7fe8909fcd42 - rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_opt::<rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x7fe8909e89bb - rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_context_opt::<rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_opt<rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x7fe88e72d588 - rustc_middle[947f43eaa8c1e30a]::util::bug::span_bug_fmt::<rustc_span[463a76bbfb2b972b]::span_encoding::Span>
[INFO] [stderr]   16:     0x760c141e8abf - <rustc_trait_selection[b9b008eaa9600003]::traits::FulfillmentError as rustc_infer[2e473f8269fa7852]::traits::engine::FromSolverError<rustc_trait_selection[b9b008eaa9600003]::solve::fulfill::NextSolverError>>::from_solver_error
[INFO] [stderr]   16:     0x7fe8929e8abf - <rustc_trait_selection[b9b008eaa9600003]::traits::FulfillmentError as rustc_infer[2e473f8269fa7852]::traits::engine::FromSolverError<rustc_trait_selection[b9b008eaa9600003]::solve::fulfill::NextSolverError>>::from_solver_error
[INFO] [stderr]   17:     0x760c13f6b5a1 - rustc_hir_typeck[92922629b34e72b0]::typeck_with_inspect::{closure#0}
[INFO] [stderr]   17:     0x7fe89276b5a1 - rustc_hir_typeck[92922629b34e72b0]::typeck_with_inspect::{closure#0}
[INFO] [stderr]   18:     0x760c13f5ef00 - rustc_query_impl[8cf316b7c6490eda]::query_impl::typeck_root::invoke_provider_fn::__rust_begin_short_backtrace
[INFO] [stderr]   18:     0x7fe89275ef00 - rustc_query_impl[8cf316b7c6490eda]::query_impl::typeck_root::invoke_provider_fn::__rust_begin_short_backtrace
[INFO] [stderr]   19:     0x7fe892737be2 - rustc_query_impl[8cf316b7c6490eda]::execution::try_execute_query::<rustc_data_structures[a81dfe2bda413950]::vec_cache::VecCache<rustc_span[463a76bbfb2b972b]::def_id::LocalDefId, rustc_middle[947f43eaa8c1e30a]::query::erase::ErasedData<[u8; 8usize]>, rustc_middle[947f43eaa8c1e30a]::dep_graph::graph::DepNodeIndex>, false>
[INFO] [stderr]   20:     0x7fe892737583 - rustc_query_impl[8cf316b7c6490eda]::query_impl::typeck_root::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   19:     0x760c13f37be2 - rustc_query_impl[8cf316b7c6490eda]::execution::try_execute_query::<rustc_data_structures[a81dfe2bda413950]::vec_cache::VecCache<rustc_span[463a76bbfb2b972b]::def_id::LocalDefId, rustc_middle[947f43eaa8c1e30a]::query::erase::ErasedData<[u8; 8usize]>, rustc_middle[947f43eaa8c1e30a]::dep_graph::graph::DepNodeIndex>, false>
[INFO] [stderr]   20:     0x760c13f37583 - rustc_query_impl[8cf316b7c6490eda]::query_impl::typeck_root::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   21:     0x7fe89273a99e - <rustc_middle[947f43eaa8c1e30a]::ty::context::TyCtxt>::par_hir_body_owners::<rustc_hir_analysis[27e240fe474a05f4]::check_crate::{closure#1}>::{closure#0}
[INFO] [stderr]   22:     0x7fe89273a2a6 - rustc_hir_analysis[27e240fe474a05f4]::check_crate
[INFO] [stderr]   21:     0x760c13f3a99e - <rustc_middle[947f43eaa8c1e30a]::ty::context::TyCtxt>::par_hir_body_owners::<rustc_hir_analysis[27e240fe474a05f4]::check_crate::{closure#1}>::{closure#0}
[INFO] [stderr]   22:     0x760c13f3a2a6 - rustc_hir_analysis[27e240fe474a05f4]::check_crate
[INFO] [stderr]   23:     0x760c13f34f35 - rustc_interface[a1acd9ef5ab190e]::passes::analysis
[INFO] [stderr]   24:     0x760c1469d607 - rustc_query_impl[8cf316b7c6490eda]::execution::try_execute_query::<rustc_middle[947f43eaa8c1e30a]::query::caches::SingleCache<rustc_middle[947f43eaa8c1e30a]::query::erase::ErasedData<[u8; 0usize]>>, false>
[INFO] [stderr]   25:     0x760c1469d2ff - rustc_query_impl[8cf316b7c6490eda]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   26:     0x760c145b3f55 - rustc_interface[a1acd9ef5ab190e]::interface::run_compiler::<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}
[INFO] [stderr]   27:     0x760c14466a64 - std[e661cfe796188cfd]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_with_globals<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_pool_with_globals<rustc_interface[a1acd9ef5ab190e]::interface::run_compiler<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   28:     0x760c14466833 - <std[e661cfe796188cfd]::thread::lifecycle::spawn_unchecked<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_with_globals<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_pool_with_globals<rustc_interface[a1acd9ef5ab190e]::interface::run_compiler<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[7f2cb237a7e3b66e]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   29:     0x760c1447163a - <std[e661cfe796188cfd]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   30:     0x760c0de830da - <unknown>
[INFO] [stderr]   31:     0x760c0df165b4 - clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-07-29T21_39_29-289.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.99.0-nightly (760e1de83 2026-07-27) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr]   23:     0x7fe892734f35 - rustc_interface[a1acd9ef5ab190e]::passes::analysis
[INFO] [stderr]   24:     0x7fe892e9d607 - rustc_query_impl[8cf316b7c6490eda]::execution::try_execute_query::<rustc_middle[947f43eaa8c1e30a]::query::caches::SingleCache<rustc_middle[947f43eaa8c1e30a]::query::erase::ErasedData<[u8; 0usize]>>, false>
[INFO] [stderr]   25:     0x7fe892e9d2ff - rustc_query_impl[8cf316b7c6490eda]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   26:     0x7fe892db3f55 - rustc_interface[a1acd9ef5ab190e]::interface::run_compiler::<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}
[INFO] [stderr]   27:     0x7fe892c66a64 - std[e661cfe796188cfd]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_with_globals<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_pool_with_globals<rustc_interface[a1acd9ef5ab190e]::interface::run_compiler<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   28:     0x7fe892c66833 - <std[e661cfe796188cfd]::thread::lifecycle::spawn_unchecked<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_with_globals<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_pool_with_globals<rustc_interface[a1acd9ef5ab190e]::interface::run_compiler<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[7f2cb237a7e3b66e]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   29:     0x7fe892c7163a - <std[e661cfe796188cfd]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   30:     0x7fe88c6530da - <unknown>
[INFO] [stderr]   31:     0x7fe88c6e65b4 - clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-07-29T21_39_29-290.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.99.0-nightly (760e1de83 2026-07-27) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] #0 [typeck_root] type-checking `btree::disk_btree::_IMPL_DESERIALIZE_FOR_Node::<impl at src/btree/disk_btree.rs:87:21: 87:32>::deserialize::<impl at src/btree/disk_btree.rs:87:21: 87:32>::visit_seq`
[INFO] [stderr] #0 [typeck_root] type-checking `btree::disk_btree::_IMPL_DESERIALIZE_FOR_Node::<impl at src/btree/disk_btree.rs:87:21: 87:32>::deserialize::<impl at src/btree/disk_btree.rs:87:21: 87:32>::visit_seq`
[INFO] [stderr] #1 [analysis] running analysis passes on crate `chicchaidb`
[INFO] [stderr] end of query stack
[INFO] [stderr] #1 [analysis] running analysis passes on crate `chicchaidb`
[INFO] [stderr] end of query stack
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (293) panicked at /rustc-dev/760e1de835e253bf28bbcbfee38b5e8ed9ffe074/compiler/rustc_trait_selection/src/solve/fulfill/derive_errors.rs:121:17:
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (294) panicked at /rustc-dev/760e1de835e253bf28bbcbfee38b5e8ed9ffe074/compiler/rustc_trait_selection/src/solve/fulfill/derive_errors.rs:121:17:
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7fe891501266 - <<std[e661cfe796188cfd]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7f2cb237a7e3b66e]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7fe891c15ad2 - core[7f2cb237a7e3b66e]::fmt::write
[INFO] [stderr]    2:     0x7fe8915163bc - <std[e661cfe796188cfd]::sys::stdio::unix::Stderr as core[7f2cb237a7e3b66e]::io::write::Write>::write_fmt
[INFO] [stderr]    3:     0x7fe8914d2f5a - std[e661cfe796188cfd]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7fe8914f39c3 - std[e661cfe796188cfd]::panicking::default_hook
[INFO] [stderr]    5:     0x7fe89043221b - std[e661cfe796188cfd]::panicking::update_hook::<alloc[c2f28060de380903]::boxed::Box<rustc_driver_impl[def15c3bf0656866]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7fe8914f3e62 - std[e661cfe796188cfd]::panicking::panic_with_hook
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x760c12d01266 - <<std[e661cfe796188cfd]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7f2cb237a7e3b66e]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x760c13415ad2 - core[7f2cb237a7e3b66e]::fmt::write
[INFO] [stderr]    2:     0x760c12d163bc - <std[e661cfe796188cfd]::sys::stdio::unix::Stderr as core[7f2cb237a7e3b66e]::io::write::Write>::write_fmt
[INFO] [stderr]    3:     0x760c12cd2f5a - std[e661cfe796188cfd]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x760c12cf39c3 - std[e661cfe796188cfd]::panicking::default_hook
[INFO] [stderr]    5:     0x760c11c3221b - std[e661cfe796188cfd]::panicking::update_hook::<alloc[c2f28060de380903]::boxed::Box<rustc_driver_impl[def15c3bf0656866]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x760c12cf3e62 - std[e661cfe796188cfd]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x760c11c5f774 - std[e661cfe796188cfd]::panicking::begin_panic::<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>::{closure#0}
[INFO] [stderr]    8:     0x760c11c58776 - std[e661cfe796188cfd]::sys::backtrace::__rust_end_short_backtrace::<std[e661cfe796188cfd]::panicking::begin_panic<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]    9:     0x760c11c584ab - std[e661cfe796188cfd]::panicking::begin_panic::<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>
[INFO] [stderr]   10:     0x760c11c6b491 - <rustc_errors[a9f80a8f44d00f79]::diagnostic::BugAbort as rustc_errors[a9f80a8f44d00f79]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   11:     0x760c121ce7cc - <rustc_errors[a9f80a8f44d00f79]::DiagCtxtHandle>::span_bug::<rustc_span[463a76bbfb2b972b]::span_encoding::Span, alloc[c2f28060de380903]::string::String>
[INFO] [stderr]   12:     0x760c121fcbb6 - rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt::<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x760c121fcd42 - rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_opt::<rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x760c121e89bb - rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_context_opt::<rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_opt<rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x760c0ff2d588 - rustc_middle[947f43eaa8c1e30a]::util::bug::span_bug_fmt::<rustc_span[463a76bbfb2b972b]::span_encoding::Span>
[INFO] [stderr]   16:     0x760c141e8abf - <rustc_trait_selection[b9b008eaa9600003]::traits::FulfillmentError as rustc_infer[2e473f8269fa7852]::traits::engine::FromSolverError<rustc_trait_selection[b9b008eaa9600003]::solve::fulfill::NextSolverError>>::from_solver_error
[INFO] [stderr]   17:     0x760c13f6b5a1 - rustc_hir_typeck[92922629b34e72b0]::typeck_with_inspect::{closure#0}
[INFO] [stderr]    7:     0x7fe89045f774 - std[e661cfe796188cfd]::panicking::begin_panic::<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>::{closure#0}
[INFO] [stderr]    8:     0x7fe890458776 - std[e661cfe796188cfd]::sys::backtrace::__rust_end_short_backtrace::<std[e661cfe796188cfd]::panicking::begin_panic<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]    9:     0x7fe8904584ab - std[e661cfe796188cfd]::panicking::begin_panic::<rustc_errors[a9f80a8f44d00f79]::ExplicitBug>
[INFO] [stderr]   10:     0x7fe89046b491 - <rustc_errors[a9f80a8f44d00f79]::diagnostic::BugAbort as rustc_errors[a9f80a8f44d00f79]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   11:     0x7fe8909ce7cc - <rustc_errors[a9f80a8f44d00f79]::DiagCtxtHandle>::span_bug::<rustc_span[463a76bbfb2b972b]::span_encoding::Span, alloc[c2f28060de380903]::string::String>
[INFO] [stderr]   12:     0x7fe8909fcbb6 - rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt::<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x7fe8909fcd42 - rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_opt::<rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x7fe8909e89bb - rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_context_opt::<rustc_middle[947f43eaa8c1e30a]::ty::context::tls::with_opt<rustc_middle[947f43eaa8c1e30a]::util::bug::opt_span_bug_fmt<rustc_span[463a76bbfb2b972b]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x7fe88e72d588 - rustc_middle[947f43eaa8c1e30a]::util::bug::span_bug_fmt::<rustc_span[463a76bbfb2b972b]::span_encoding::Span>
[INFO] [stderr]   18:     0x760c13f5ef00 - rustc_query_impl[8cf316b7c6490eda]::query_impl::typeck_root::invoke_provider_fn::__rust_begin_short_backtrace
[INFO] [stderr]   16:     0x7fe8929e8abf - <rustc_trait_selection[b9b008eaa9600003]::traits::FulfillmentError as rustc_infer[2e473f8269fa7852]::traits::engine::FromSolverError<rustc_trait_selection[b9b008eaa9600003]::solve::fulfill::NextSolverError>>::from_solver_error
[INFO] [stderr]   17:     0x7fe89276b5a1 - rustc_hir_typeck[92922629b34e72b0]::typeck_with_inspect::{closure#0}
[INFO] [stderr]   18:     0x7fe89275ef00 - rustc_query_impl[8cf316b7c6490eda]::query_impl::typeck_root::invoke_provider_fn::__rust_begin_short_backtrace
[INFO] [stderr]   19:     0x7fe892737be2 - rustc_query_impl[8cf316b7c6490eda]::execution::try_execute_query::<rustc_data_structures[a81dfe2bda413950]::vec_cache::VecCache<rustc_span[463a76bbfb2b972b]::def_id::LocalDefId, rustc_middle[947f43eaa8c1e30a]::query::erase::ErasedData<[u8; 8usize]>, rustc_middle[947f43eaa8c1e30a]::dep_graph::graph::DepNodeIndex>, false>
[INFO] [stderr]   20:     0x7fe892737583 - rustc_query_impl[8cf316b7c6490eda]::query_impl::typeck_root::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   21:     0x7fe89273a99e - <rustc_middle[947f43eaa8c1e30a]::ty::context::TyCtxt>::par_hir_body_owners::<rustc_hir_analysis[27e240fe474a05f4]::check_crate::{closure#1}>::{closure#0}
[INFO] [stderr]   22:     0x7fe89273a2a6 - rustc_hir_analysis[27e240fe474a05f4]::check_crate
[INFO] [stderr]   19:     0x760c13f37be2 - rustc_query_impl[8cf316b7c6490eda]::execution::try_execute_query::<rustc_data_structures[a81dfe2bda413950]::vec_cache::VecCache<rustc_span[463a76bbfb2b972b]::def_id::LocalDefId, rustc_middle[947f43eaa8c1e30a]::query::erase::ErasedData<[u8; 8usize]>, rustc_middle[947f43eaa8c1e30a]::dep_graph::graph::DepNodeIndex>, false>
[INFO] [stderr]   23:     0x7fe892734f35 - rustc_interface[a1acd9ef5ab190e]::passes::analysis
[INFO] [stderr]   24:     0x7fe892e9d607 - rustc_query_impl[8cf316b7c6490eda]::execution::try_execute_query::<rustc_middle[947f43eaa8c1e30a]::query::caches::SingleCache<rustc_middle[947f43eaa8c1e30a]::query::erase::ErasedData<[u8; 0usize]>>, false>
[INFO] [stderr]   25:     0x7fe892e9d2ff - rustc_query_impl[8cf316b7c6490eda]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   26:     0x7fe892db3f55 - rustc_interface[a1acd9ef5ab190e]::interface::run_compiler::<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}
[INFO] [stderr]   27:     0x7fe892c66a64 - std[e661cfe796188cfd]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_with_globals<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_pool_with_globals<rustc_interface[a1acd9ef5ab190e]::interface::run_compiler<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   28:     0x7fe892c66833 - <std[e661cfe796188cfd]::thread::lifecycle::spawn_unchecked<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_with_globals<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_pool_with_globals<rustc_interface[a1acd9ef5ab190e]::interface::run_compiler<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[7f2cb237a7e3b66e]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   20:     0x760c13f37583 - rustc_query_impl[8cf316b7c6490eda]::query_impl::typeck_root::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   21:     0x760c13f3a99e - <rustc_middle[947f43eaa8c1e30a]::ty::context::TyCtxt>::par_hir_body_owners::<rustc_hir_analysis[27e240fe474a05f4]::check_crate::{closure#1}>::{closure#0}
[INFO] [stderr]   22:     0x760c13f3a2a6 - rustc_hir_analysis[27e240fe474a05f4]::check_crate
[INFO] [stderr]   23:     0x760c13f34f35 - rustc_interface[a1acd9ef5ab190e]::passes::analysis
[INFO] [stderr]   24:     0x760c1469d607 - rustc_query_impl[8cf316b7c6490eda]::execution::try_execute_query::<rustc_middle[947f43eaa8c1e30a]::query::caches::SingleCache<rustc_middle[947f43eaa8c1e30a]::query::erase::ErasedData<[u8; 0usize]>>, false>
[INFO] [stderr]   25:     0x760c1469d2ff - rustc_query_impl[8cf316b7c6490eda]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   26:     0x760c145b3f55 - rustc_interface[a1acd9ef5ab190e]::interface::run_compiler::<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}
[INFO] [stderr]   27:     0x760c14466a64 - std[e661cfe796188cfd]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_with_globals<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_pool_with_globals<rustc_interface[a1acd9ef5ab190e]::interface::run_compiler<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   28:     0x760c14466833 - <std[e661cfe796188cfd]::thread::lifecycle::spawn_unchecked<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_with_globals<rustc_interface[a1acd9ef5ab190e]::util::run_in_thread_pool_with_globals<rustc_interface[a1acd9ef5ab190e]::interface::run_compiler<(), rustc_driver_impl[def15c3bf0656866]::run_compiler::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[7f2cb237a7e3b66e]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   29:     0x760c1447163a - <std[e661cfe796188cfd]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   30:     0x760c0de830da - <unknown>
[INFO] [stderr]   31:     0x760c0df165b4 - clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-07-29T21_39_29-289.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.99.0-nightly (760e1de83 2026-07-27) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] #0 [typeck_root] type-checking `btree::disk_btree::_IMPL_DESERIALIZE_FOR_Node::<impl at src/btree/disk_btree.rs:87:21: 87:32>::deserialize::<impl at src/btree/disk_btree.rs:87:21: 87:32>::visit_map`
[INFO] [stderr] #1 [analysis] running analysis passes on crate `chicchaidb`
[INFO] [stderr] end of query stack
[INFO] [stderr]   29:     0x7fe892c7163a - <std[e661cfe796188cfd]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   30:     0x7fe88c6530da - <unknown>
[INFO] [stderr]   31:     0x7fe88c6e65b4 - clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-07-29T21_39_29-290.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.99.0-nightly (760e1de83 2026-07-27) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] #0 [typeck_root] type-checking `btree::disk_btree::_IMPL_DESERIALIZE_FOR_Node::<impl at src/btree/disk_btree.rs:87:21: 87:32>::deserialize::<impl at src/btree/disk_btree.rs:87:21: 87:32>::visit_map`
[INFO] [stderr] #1 [analysis] running analysis passes on crate `chicchaidb`
[INFO] [stderr] end of query stack
[INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `K: Deserialize<'_>`
[INFO] [stdout]     --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]      |
[INFO] [stdout]  209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `K: Deserialize<'_>` found
[INFO] [stdout]     --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]      |
[INFO] [stdout]  209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]  210 | struct Elm<'d, K: KeyType<'d>, V: ValueType<'d>> {
[INFO] [stdout]      |                   ^^^^^^^^^^^
[INFO] [stdout] note: required for `__Visitor<'_, 'd, K, V>` to implement `Visitor<'de>`
[INFO] [stdout]     --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]      |
[INFO] [stdout]  209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]      |                     ^^^^^^^^^^^ type parameter would need to implement `Visitor<'de>`
[INFO] [stdout]      = help: consider manually implementing `Visitor<'de>` to avoid undesired bounds caused by "imperfect derives"
[INFO] [stdout]      = note: to learn more, visit <https://github.com/rust-lang/rust/issues/26925>
[INFO] [stdout] note: required by a bound in `deserialize_struct`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1113:12
[INFO] [stdout]      |
[INFO] [stdout] 1106 |     fn deserialize_struct<V>(
[INFO] [stdout]      |        ------------------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 1113 |         V: Visitor<'de>;
[INFO] [stdout]      |            ^^^^^^^^^^^^ required by this bound in `Deserializer::deserialize_struct`
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/chicchaidb-9383009f2ad913a1.long-type-4637882852078166073.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]      = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d K: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/disk_btree.rs:211:10
[INFO] [stdout]      |
[INFO] [stdout]  211 |     key: &'d K,
[INFO] [stdout]      |          ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d K`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1699:12
[INFO] [stdout]      |
[INFO] [stdout] 1697 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1698 |     where
[INFO] [stdout] 1699 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]  211 -     key: &'d K,
[INFO] [stdout]  211 +     key: K,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `K: Deserialize<'_>`
[INFO] [stdout]     --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]      |
[INFO] [stdout]  209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `K: Deserialize<'_>` found
[INFO] [stdout]     --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]      |
[INFO] [stdout]  209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]      |                     ^^^^^^^^^^^
[INFO] [stdout]  210 | struct Elm<'d, K: KeyType<'d>, V: ValueType<'d>> {
[INFO] [stdout]      |                   ^^^^^^^^^^^
[INFO] [stdout] note: required for `__Visitor<'_, 'd, K, V>` to implement `Visitor<'de>`
[INFO] [stdout]     --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]      |
[INFO] [stdout]  209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]      |                     ^^^^^^^^^^^ type parameter would need to implement `Visitor<'de>`
[INFO] [stdout]      = help: consider manually implementing `Visitor<'de>` to avoid undesired bounds caused by "imperfect derives"
[INFO] [stdout]      = note: to learn more, visit <https://github.com/rust-lang/rust/issues/26925>
[INFO] [stdout] note: required by a bound in `deserialize_struct`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1113:12
[INFO] [stdout]      |
[INFO] [stdout] 1106 |     fn deserialize_struct<V>(
[INFO] [stdout]      |        ------------------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 1113 |         V: Visitor<'de>;
[INFO] [stdout]      |            ^^^^^^^^^^^^ required by this bound in `Deserializer::deserialize_struct`
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/chicchaidb-cd789794c1ee67ee.long-type-8763404118828960409.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]      = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d V: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/disk_btree.rs:212:12
[INFO] [stdout]      |
[INFO] [stdout]  212 |     value: &'d V,
[INFO] [stdout]      |            ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d V`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1699:12
[INFO] [stdout]      |
[INFO] [stdout] 1697 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1698 |     where
[INFO] [stdout] 1699 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]  212 -     value: &'d V,
[INFO] [stdout]  212 +     value: V,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d K: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/disk_btree.rs:211:10
[INFO] [stdout]      |
[INFO] [stdout]  211 |     key: &'d K,
[INFO] [stdout]      |          ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d K`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1699:12
[INFO] [stdout]      |
[INFO] [stdout] 1697 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1698 |     where
[INFO] [stdout] 1699 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]  211 -     key: &'d K,
[INFO] [stdout]  211 +     key: K,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d V: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/disk_btree.rs:212:12
[INFO] [stdout]      |
[INFO] [stdout]  212 |     value: &'d V,
[INFO] [stdout]      |            ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d V`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1699:12
[INFO] [stdout]      |
[INFO] [stdout] 1697 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1698 |     where
[INFO] [stdout] 1699 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]  212 -     value: &'d V,
[INFO] [stdout]  212 +     value: V,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d K: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/disk_btree.rs:211:10
[INFO] [stdout]      |
[INFO] [stdout]  211 |     key: &'d K,
[INFO] [stdout]      |          ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d K`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1838:12
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout]      |        ---------- required by a bound in this associated function
[INFO] [stdout] 1837 |     where
[INFO] [stdout] 1838 |         V: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]  211 -     key: &'d K,
[INFO] [stdout]  211 +     key: K,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d V: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/disk_btree.rs:212:12
[INFO] [stdout]      |
[INFO] [stdout]  212 |     value: &'d V,
[INFO] [stdout]      |            ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d V`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1838:12
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout]      |        ---------- required by a bound in this associated function
[INFO] [stdout] 1837 |     where
[INFO] [stdout] 1838 |         V: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]  212 -     value: &'d V,
[INFO] [stdout]  212 +     value: V,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d K: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/disk_btree.rs:211:10
[INFO] [stdout]      |
[INFO] [stdout]  211 |     key: &'d K,
[INFO] [stdout]      |          ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d K`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1838:12
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout]      |        ---------- required by a bound in this associated function
[INFO] [stdout] 1837 |     where
[INFO] [stdout] 1838 |         V: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]  211 -     key: &'d K,
[INFO] [stdout]  211 +     key: K,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&'d V: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/btree/disk_btree.rs:212:12
[INFO] [stdout]      |
[INFO] [stdout]  212 |     value: &'d V,
[INFO] [stdout]      |            ^^^^^ the trait `Deserialize<'_>` is not implemented for `&'d V`
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/de/mod.rs:1838:12
[INFO] [stdout]      |
[INFO] [stdout] 1836 |     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout]      |        ---------- required by a bound in this associated function
[INFO] [stdout] 1837 |     where
[INFO] [stdout] 1838 |         V: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]      |
[INFO] [stdout]  212 -     value: &'d V,
[INFO] [stdout]  212 +     value: V,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&K: Deserialize<'_>` is not satisfied
[INFO] [stdout]    --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                     ^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `&K`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `key_value::serde::private::de::missing_field`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/private/de.rs:19:8
[INFO] [stdout]     |
[INFO] [stdout]  17 | pub fn missing_field<'de, V, E>(field: &'static str) -> Result<V, E>
[INFO] [stdout]     |        ------------- required by a bound in this function
[INFO] [stdout]  18 | where
[INFO] [stdout]  19 |     V: Deserialize<'de>,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ required by this bound in `missing_field`
[INFO] [stdout]     = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&V: Deserialize<'_>` is not satisfied
[INFO] [stdout]    --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                     ^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `&V`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `key_value::serde::private::de::missing_field`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/private/de.rs:19:8
[INFO] [stdout]     |
[INFO] [stdout]  17 | pub fn missing_field<'de, V, E>(field: &'static str) -> Result<V, E>
[INFO] [stdout]     |        ------------- required by a bound in this function
[INFO] [stdout]  18 | where
[INFO] [stdout]  19 |     V: Deserialize<'de>,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ required by this bound in `missing_field`
[INFO] [stdout]     = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&K: Deserialize<'_>` is not satisfied
[INFO] [stdout]    --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                     ^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `&K`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `key_value::serde::private::de::missing_field`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/private/de.rs:19:8
[INFO] [stdout]     |
[INFO] [stdout]  17 | pub fn missing_field<'de, V, E>(field: &'static str) -> Result<V, E>
[INFO] [stdout]     |        ------------- required by a bound in this function
[INFO] [stdout]  18 | where
[INFO] [stdout]  19 |     V: Deserialize<'de>,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ required by this bound in `missing_field`
[INFO] [stdout]     = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&V: Deserialize<'_>` is not satisfied
[INFO] [stdout]    --> src/btree/disk_btree.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[derive(Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                     ^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `&V`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `key_value::serde::private::de::missing_field`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.88/src/private/de.rs:19:8
[INFO] [stdout]     |
[INFO] [stdout]  17 | pub fn missing_field<'de, V, E>(field: &'static str) -> Result<V, E>
[INFO] [stdout]     |        ------------- required by a bound in this function
[INFO] [stdout]  18 | where
[INFO] [stdout]  19 |     V: Deserialize<'de>,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ required by this bound in `missing_field`
[INFO] [stdout]     = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/btree/disk_btree.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 217 | impl <'d, K: KeyType<'d>, V: ValueType<'d>> Elm<'d, K, V> {
[INFO] [stdout]     |           - found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 220 |             key,
[INFO] [stdout]     |             ^^^ expected `&K`, found type parameter `K`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected reference `&_`
[INFO] [stdout]             found type parameter `_`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 220 |             key: &key,
[INFO] [stdout]     |             ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/btree/disk_btree.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 217 | impl <'d, K: KeyType<'d>, V: ValueType<'d>> Elm<'d, K, V> {
[INFO] [stdout]     |                           - found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 221 |             value,
[INFO] [stdout]     |             ^^^^^ expected `&V`, found type parameter `V`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected reference `&_`
[INFO] [stdout]             found type parameter `_`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 221 |             value: &value,
[INFO] [stdout]     |             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/btree/disk_btree.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 217 | impl <'d, K: KeyType<'d>, V: ValueType<'d>> Elm<'d, K, V> {
[INFO] [stdout]     |           - found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 220 |             key,
[INFO] [stdout]     |             ^^^ expected `&K`, found type parameter `K`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected reference `&_`
[INFO] [stdout]             found type parameter `_`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 220 |             key: &key,
[INFO] [stdout]     |             ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/btree/disk_btree.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 217 | impl <'d, K: KeyType<'d>, V: ValueType<'d>> Elm<'d, K, V> {
[INFO] [stdout]     |                           - found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 221 |             value,
[INFO] [stdout]     |             ^^^^^ expected `&V`, found type parameter `V`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected reference `&_`
[INFO] [stdout]             found type parameter `_`
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 221 |             value: &value,
[INFO] [stdout]     |             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/btree/mem_btree.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> MemBtree<'d, K, V> {
[INFO] [stdout]    |          - found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 14 |             map: BTreeMap::<K, V>::new(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^ expected `BTreeMap<&K, &V>`, found `BTreeMap<K, V>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `BTreeMap<&_, &_>`
[INFO] [stdout]               found struct `BTreeMap<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/btree/mem_btree.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> MemBtree<'d, K, V> {
[INFO] [stdout]    |          - found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 14 |             map: BTreeMap::<K, V>::new(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^ expected `BTreeMap<&K, &V>`, found `BTreeMap<K, V>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `BTreeMap<&_, &_>`
[INFO] [stdout]               found struct `BTreeMap<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this method are incorrect
[INFO] [stdout]   --> src/btree/mem_btree.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> MemBtree<'d, K, V> {
[INFO] [stdout]    |          -               - found this type parameter
[INFO] [stdout]    |          |
[INFO] [stdout]    |          found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 21 |         self.map.insert(key, value);
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: expected `&K`, found type parameter `K`
[INFO] [stdout]   --> src/btree/mem_btree.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(key, value);
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    = note:   expected reference `&'d _`
[INFO] [stdout]            found type parameter `_`
[INFO] [stdout] note: expected `&V`, found type parameter `V`
[INFO] [stdout]   --> src/btree/mem_btree.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(key, value);
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    = note:   expected reference `&'d _`
[INFO] [stdout]            found type parameter `_`
[INFO] [stdout] help: the return type of this call is `V` due to the type of the argument passed
[INFO] [stdout]   --> src/btree/mem_btree.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(key, value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^-----^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this argument influences the return type of `insert`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/760e1de835e253bf28bbcbfee38b5e8ed9ffe074/library/alloc/src/collections/btree/map.rs:1045:11
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(&key, value);
[INFO] [stdout]    |                         +
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(key, &value);
[INFO] [stdout]    |                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this method are incorrect
[INFO] [stdout]   --> src/btree/mem_btree.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> MemBtree<'d, K, V> {
[INFO] [stdout]    |          -               - found this type parameter
[INFO] [stdout]    |          |
[INFO] [stdout]    |          found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 21 |         self.map.insert(key, value);
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: expected `&K`, found type parameter `K`
[INFO] [stdout]   --> src/btree/mem_btree.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(key, value);
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    = note:   expected reference `&'d _`
[INFO] [stdout]            found type parameter `_`
[INFO] [stdout] note: expected `&V`, found type parameter `V`
[INFO] [stdout]   --> src/btree/mem_btree.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(key, value);
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout]    = note:   expected reference `&'d _`
[INFO] [stdout]            found type parameter `_`
[INFO] [stdout] help: the return type of this call is `V` due to the type of the argument passed
[INFO] [stdout]   --> src/btree/mem_btree.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(key, value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^-----^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this argument influences the return type of `insert`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/760e1de835e253bf28bbcbfee38b5e8ed9ffe074/library/alloc/src/collections/btree/map.rs:1045:11
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(&key, value);
[INFO] [stdout]    |                         +
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.map.insert(key, &value);
[INFO] [stdout]    |                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/btree/mem_btree.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> MemBtree<'d, K, V> {
[INFO] [stdout]    |                          - expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn get(&self, key: K) -> Option<&V> {
[INFO] [stdout]    |                                  ---------- expected `std::option::Option<&V>` because of return type
[INFO] [stdout] 25 |         self.map.get(&key)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ expected `Option<&V>`, found `Option<&&V>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<&_>`
[INFO] [stdout]               found enum `Option<&&_>`
[INFO] [stdout] help: try using `.map(|v| &**v)` to convert `std::option::Option<&&V>` to `std::option::Option<&V>`
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.map.get(&key).map(|v| &**v)
[INFO] [stdout]    |                           ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/btree/mem_btree.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'d, K: KeyType<'d>, V: ValueType<'d>> MemBtree<'d, K, V> {
[INFO] [stdout]    |                          - expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn get(&self, key: K) -> Option<&V> {
[INFO] [stdout]    |                                  ---------- expected `std::option::Option<&V>` because of return type
[INFO] [stdout] 25 |         self.map.get(&key)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ expected `Option<&V>`, found `Option<&&V>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<&_>`
[INFO] [stdout]               found enum `Option<&&_>`
[INFO] [stdout] help: try using `.map(|v| &**v)` to convert `std::option::Option<&&V>` to `std::option::Option<&V>`
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.map.get(&key).map(|v| &**v)
[INFO] [stdout]    |                           ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |             println!("err {}", e.description());
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 |             println!("err {}", e.description());
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |         println!("err {}", e.description());
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |         println!("err {}", e.description());
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0283, E0308.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0283, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chicchaidb` (bin "chicchaidb") due to 22 previous errors; 36 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `chicchaidb` (bin "chicchaidb" test) due to 22 previous errors; 36 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5216f16c69b63ed4bc7c21869eb975e721947905514429a3e6a42f8aa45cbd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5216f16c69b63ed4bc7c21869eb975e721947905514429a3e6a42f8aa45cbd7b", kill_on_drop: false }`
[INFO] [stdout] 5216f16c69b63ed4bc7c21869eb975e721947905514429a3e6a42f8aa45cbd7b
