[INFO] cloning repository https://github.com/mthvedt/hitchhiker-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mthvedt/hitchhiker-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthvedt%2Fhitchhiker-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthvedt%2Fhitchhiker-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5922b3e860dd7207b23f9db523c38388a9ce624b
[INFO] checking mthvedt/hitchhiker-rust/5922b3e860dd7207b23f9db523c38388a9ce624b against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthvedt%2Fhitchhiker-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mthvedt/hitchhiker-rust on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mthvedt/hitchhiker-rust
[INFO] finished tweaking git repo https://github.com/mthvedt/hitchhiker-rust
[INFO] tweaked toml for git repo https://github.com/mthvedt/hitchhiker-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mthvedt/hitchhiker-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.3.13
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded futures v0.1.11
[INFO] [stderr]   Downloaded bytebuffer v0.2.1
[INFO] [stderr]   Downloaded typed-arena v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4d56e42b91020fd30bc1c5f40151a38a3312a5bf451011a5a946b3c5a25515c
[INFO] running `Command { std: "docker" "start" "-a" "a4d56e42b91020fd30bc1c5f40151a38a3312a5bf451011a5a946b3c5a25515c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4d56e42b91020fd30bc1c5f40151a38a3312a5bf451011a5a946b3c5a25515c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d56e42b91020fd30bc1c5f40151a38a3312a5bf451011a5a946b3c5a25515c", kill_on_drop: false }`
[INFO] [stdout] a4d56e42b91020fd30bc1c5f40151a38a3312a5bf451011a5a946b3c5a25515c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a1b27a084d50387ecd81db72393040bd6559d1d21ff8fbd5c982c76b64397ab
[INFO] running `Command { std: "docker" "start" "-a" "1a1b27a084d50387ecd81db72393040bd6559d1d21ff8fbd5c982c76b64397ab", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking typed-arena v1.2.0
[INFO] [stderr]     Checking futures v0.1.11
[INFO] [stderr]     Checking bytebuffer v0.2.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking htree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `bench`
[INFO] [stdout]   --> src/lib.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[cfg(bench)]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bench)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(bench)");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::stack::*`
[INFO] [stdout]  --> src/alloc/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::stack::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/traits.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/tree/btree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data::*`
[INFO] [stdout]    --> src/tree/btree.rs:209:6
[INFO] [stdout]     |
[INFO] [stdout] 209 |     use data::*;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/tree/btree.rs:531:61
[INFO] [stdout]     |
[INFO] [stdout] 531 |     fn cursor<'b, K: AsRef<[u8]>>(&'b self, k: K) -> Result<BTreeCursor, TreeError> {
[INFO] [stdout]     |               -- lifetime `'b` declared here                ^^^^^^^^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/tree/btree.rs:574:75
[INFO] [stdout]     |
[INFO] [stdout] 574 |     fn entry_mut<'b, K: AsRef<[u8]>>(&'b mut self, k: K) -> Result<Option<BTreeCursor>, TreeError> {
[INFO] [stdout]     |                  -- lifetime `'b` declared here                           ^^^^^^^^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/tree/btree.rs:578:69
[INFO] [stdout]     |
[INFO] [stdout] 578 |     fn cursor_mut<'b, K: AsRef<[u8]>>(&'b mut self, k: K) -> Result<BTreeCursor, TreeError> {
[INFO] [stdout]     |                   -- lifetime `'b` declared here                    ^^^^^^^^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `bench`
[INFO] [stdout]   --> src/lib.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[cfg(bench)]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bench)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(bench)");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::stack::*`
[INFO] [stdout]  --> src/alloc/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::stack::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/traits.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/tree/btree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data::*`
[INFO] [stdout]    --> src/tree/btree.rs:209:6
[INFO] [stdout]     |
[INFO] [stdout] 209 |     use data::*;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/tree/btree.rs:531:61
[INFO] [stdout]     |
[INFO] [stdout] 531 |     fn cursor<'b, K: AsRef<[u8]>>(&'b self, k: K) -> Result<BTreeCursor, TreeError> {
[INFO] [stdout]     |               -- lifetime `'b` declared here                ^^^^^^^^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/tree/btree.rs:574:75
[INFO] [stdout]     |
[INFO] [stdout] 574 |     fn entry_mut<'b, K: AsRef<[u8]>>(&'b mut self, k: K) -> Result<Option<BTreeCursor>, TreeError> {
[INFO] [stdout]     |                  -- lifetime `'b` declared here                           ^^^^^^^^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/tdfuture/future.rs:187:42
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let mut self_tmp = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/tree/btree.rs:578:69
[INFO] [stdout]     |
[INFO] [stdout] 578 |     fn cursor_mut<'b, K: AsRef<[u8]>>(&'b mut self, k: K) -> Result<BTreeCursor, TreeError> {
[INFO] [stdout]     |                   -- lifetime `'b` declared here                    ^^^^^^^^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/data/util.rs:13:43
[INFO] [stdout]     |
[INFO] [stdout] 13  |             let mut items: [_; $n] = mem::uninitialized();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tree/memnode.rs:107:23
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 buckets: make_array!(|_| MemPtr::empty(), (NODE_CAPACITY - 1) as usize),
[INFO] [stdout]     |                          -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/data/util.rs:13:43
[INFO] [stdout]     |
[INFO] [stdout] 13  |             let mut items: [_; $n] = mem::uninitialized();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tree/memnode.rs:108:24
[INFO] [stdout]     |
[INFO] [stdout] 108 |                    children: make_array!(|_| MemPtr::empty(), NODE_CAPACITY as usize),
[INFO] [stdout]     |                              -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/tree/noderef.rs:171:41
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut oldself = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/tree/util.rs:50:40
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut dummy: [T; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bench/mod.rs:216:44
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub fn run_benchmark<W: Write>(benchmark: &Benchable, out: &mut W) {
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub fn run_benchmark<W: Write>(benchmark: &dyn Benchable, out: &mut W) {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bench/mod.rs:240:54
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn run_benchmarks<W: Write>(benchmarks: &Vec<Box<Benchable>>, out: &mut W) {
[INFO] [stdout]     |                                                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn run_benchmarks<W: Write>(benchmarks: &Vec<Box<dyn Benchable>>, out: &mut W) {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tdfuture/future.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub type BoxFuture<T, E> = Box<Future<Item = T, Error = E>>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub type BoxFuture<T, E> = Box<dyn Future<Item = T, Error = E>>;
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/tdfuture/future.rs:187:42
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let mut self_tmp = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/data/util.rs:13:43
[INFO] [stdout]     |
[INFO] [stdout] 13  |             let mut items: [_; $n] = mem::uninitialized();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tree/memnode.rs:107:23
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 buckets: make_array!(|_| MemPtr::empty(), (NODE_CAPACITY - 1) as usize),
[INFO] [stdout]     |                          -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/data/util.rs:13:43
[INFO] [stdout]     |
[INFO] [stdout] 13  |             let mut items: [_; $n] = mem::uninitialized();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tree/memnode.rs:108:24
[INFO] [stdout]     |
[INFO] [stdout] 108 |                    children: make_array!(|_| MemPtr::empty(), NODE_CAPACITY as usize),
[INFO] [stdout]     |                              -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/tree/noderef.rs:171:41
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut oldself = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/tree/util.rs:50:40
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut dummy: [T; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bench/mod.rs:216:44
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub fn run_benchmark<W: Write>(benchmark: &Benchable, out: &mut W) {
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub fn run_benchmark<W: Write>(benchmark: &dyn Benchable, out: &mut W) {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bench/mod.rs:240:54
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn run_benchmarks<W: Write>(benchmarks: &Vec<Box<Benchable>>, out: &mut W) {
[INFO] [stdout]     |                                                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn run_benchmarks<W: Write>(benchmarks: &Vec<Box<dyn Benchable>>, out: &mut W) {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tdfuture/future.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub type BoxFuture<T, E> = Box<Future<Item = T, Error = E>>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub type BoxFuture<T, E> = Box<dyn Future<Item = T, Error = E>>;
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0195]: lifetime parameters or bounds on method `subrange` do not match the trait declaration
[INFO] [stdout]    --> src/tree/btree.rs:540:16
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn subrange<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&self, start: K1, end: K2) -> PersistentBTree {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetimes do not match method in trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/traits.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn subrange<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&self, start: K1, end: K2) -> <Spec as TreeSpec<'b>>::SubrangeImpl;
[INFO] [stdout]     |                -------------------------------------- lifetimes in impl do not match this method in trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0195]: lifetime parameters or bounds on method `subrange` do not match the trait declaration
[INFO] [stdout]    --> src/tree/btree.rs:540:16
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn subrange<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&self, start: K1, end: K2) -> PersistentBTree {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetimes do not match method in trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/traits.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn subrange<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&self, start: K1, end: K2) -> <Spec as TreeSpec<'b>>::SubrangeImpl;
[INFO] [stdout]     |                -------------------------------------- lifetimes in impl do not match this method in trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tree/btree.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut cursorref = self.peek_mut().unwrap();
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/tree/btree.rs:536:45
[INFO] [stdout]     |
[INFO] [stdout] 536 |     fn suffix<'b, K: AsRef<[u8]>>(&'b self, prefix: K) -> PersistentBTree {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/tree/btree.rs:540:62
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn subrange<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&self, start: K1, end: K2) -> PersistentBTree {
[INFO] [stdout]     |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> src/tree/btree.rs:540:73
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn subrange<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&self, start: K1, end: K2) -> PersistentBTree {
[INFO] [stdout]     |                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/tree/btree.rs:564:39
[INFO] [stdout]     |
[INFO] [stdout] 564 |     fn set<V: AsRef<[u8]>>(&mut self, v: V) {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/tree/btree.rs:599:49
[INFO] [stdout]     |
[INFO] [stdout] 599 |     fn suffix_mut<'b, K: AsRef<[u8]>>(&'b self, prefix: K) -> Self {
[INFO] [stdout]     |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/tree/btree.rs:603:69
[INFO] [stdout]     |
[INFO] [stdout] 603 |     fn subrange_mut<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&'b self, start: K1, end: K2) -> Self {
[INFO] [stdout]     |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> src/tree/btree.rs:603:80
[INFO] [stdout]     |
[INFO] [stdout] 603 |     fn subrange_mut<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&'b self, start: K1, end: K2) -> Self {
[INFO] [stdout]     |                                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0195`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `htree` (lib) due to 1 previous error; 26 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tree/btree.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let mut cursorref = self.peek_mut().unwrap();
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/tree/btree.rs:536:45
[INFO] [stdout]     |
[INFO] [stdout] 536 |     fn suffix<'b, K: AsRef<[u8]>>(&'b self, prefix: K) -> PersistentBTree {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/tree/btree.rs:540:62
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn subrange<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&self, start: K1, end: K2) -> PersistentBTree {
[INFO] [stdout]     |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> src/tree/btree.rs:540:73
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn subrange<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&self, start: K1, end: K2) -> PersistentBTree {
[INFO] [stdout]     |                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/tree/btree.rs:564:39
[INFO] [stdout]     |
[INFO] [stdout] 564 |     fn set<V: AsRef<[u8]>>(&mut self, v: V) {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/tree/btree.rs:599:49
[INFO] [stdout]     |
[INFO] [stdout] 599 |     fn suffix_mut<'b, K: AsRef<[u8]>>(&'b self, prefix: K) -> Self {
[INFO] [stdout]     |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/tree/btree.rs:603:69
[INFO] [stdout]     |
[INFO] [stdout] 603 |     fn subrange_mut<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&'b self, start: K1, end: K2) -> Self {
[INFO] [stdout]     |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> src/tree/btree.rs:603:80
[INFO] [stdout]     |
[INFO] [stdout] 603 |     fn subrange_mut<'b, K1: AsRef<[u8]>, K2: AsRef<[u8]>>(&'b self, start: K1, end: K2) -> Self {
[INFO] [stdout]     |                                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0195`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `htree` (lib test) due to 1 previous error; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1a1b27a084d50387ecd81db72393040bd6559d1d21ff8fbd5c982c76b64397ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1b27a084d50387ecd81db72393040bd6559d1d21ff8fbd5c982c76b64397ab", kill_on_drop: false }`
[INFO] [stdout] 1a1b27a084d50387ecd81db72393040bd6559d1d21ff8fbd5c982c76b64397ab
