[INFO] fetching crate hicollections 0.1.0...
[INFO] checking hicollections-0.1.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate hicollections 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate hicollections 0.1.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hicollections 0.1.0
[INFO] finished tweaking crates.io crate hicollections 0.1.0
[INFO] tweaked toml for crates.io crate hicollections 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] [stderr]   Downloaded hipool v0.1.0
[INFO] [stderr]   Downloaded hierr v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db81ef08526538ba34521100bee962c59e0f8d26560b0296e671bcea11bb5b6d
[INFO] running `Command { std: "docker" "start" "-a" "db81ef08526538ba34521100bee962c59e0f8d26560b0296e671bcea11bb5b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db81ef08526538ba34521100bee962c59e0f8d26560b0296e671bcea11bb5b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db81ef08526538ba34521100bee962c59e0f8d26560b0296e671bcea11bb5b6d", kill_on_drop: false }`
[INFO] [stdout] db81ef08526538ba34521100bee962c59e0f8d26560b0296e671bcea11bb5b6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d55df0c8d247206b55fbb6620a662a75466d1d2d292e4d3dca17858cb5bc565
[INFO] running `Command { std: "docker" "start" "-a" "9d55df0c8d247206b55fbb6620a662a75466d1d2d292e4d3dca17858cb5bc565", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking hierr v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking hipool v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking iai v0.1.1
[INFO] [stderr]     Checking hicollections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/search.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion::{black_box, criterion_group, criterion_main, BatchSize, BenchmarkId, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ptr`
[INFO] [stdout]  --> benches/search.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::ptr;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/tree_benchmark.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, BatchSize, BenchmarkId, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `size_of`
[INFO] [stdout]  --> benches/tree_benchmark.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::mem::{MaybeUninit, size_of};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NonNull`
[INFO] [stdout]   --> benches/tree_benchmark.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ptr::{self, NonNull};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice`
[INFO] [stdout]   --> benches/tree_benchmark.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::slice;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> benches/tree_benchmark.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/search.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn std_binary<K>(mut pkey: *const K, len: usize, key: &K) -> Result<usize, usize>
[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: variable does not need to be mutable
[INFO] [stdout]   --> benches/search.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn slice_linear<K, Q>(mut pkey: *const K, len: usize, key: &Q) -> Result<usize, usize>
[INFO] [stdout]    |                       ----^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/search.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn idx_linear<K, Q>(mut pkey: *const K, len: usize, key: &Q) -> Result<usize, usize>
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/search.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn slice_binary<K, Q>(mut pkey: *const K, mut len: usize, key: &Q) -> Result<usize, usize>
[INFO] [stdout]    |                       ----^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/search.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn idx_binary<K, Q>(mut pkey: *const K, mut len: usize, key: &Q) -> Result<usize, usize>
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/search.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn ptr_binary<K, Q>(mut pkey: *const K, mut len: usize, key: &Q) -> Result<usize, usize>
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> benches/search.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             f(self.data.as_ptr(), self.data.len(), &key);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 191 |             let _ = f(self.data.as_ptr(), self.data.len(), &key);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/tree_benchmark.rs:306:25
[INFO] [stdout]     |
[INFO] [stdout] 306 |                     let mut ctx = AvlCtx::new(cnts[i], |foo| unsafe { ptr::addr_of!((*foo).node) });
[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: variable does not need to be mutable
[INFO] [stdout]    --> benches/tree_benchmark.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     let mut ctx = RbCtx::new(cnts[i], |foo| unsafe { ptr::addr_of!((*foo).node) });
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/tree_benchmark.rs:334:25
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     let mut ctx = BTreeCtx::new(cnts[i]);
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/tree_benchmark.rs:349:25
[INFO] [stdout]     |
[INFO] [stdout] 349 |                     let mut ctx = SetCtx::new(cnts[i]);
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/tree_benchmark.rs:524:25
[INFO] [stdout]     |
[INFO] [stdout] 524 |                     let mut ctx =
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/tree_benchmark.rs:539:25
[INFO] [stdout]     |
[INFO] [stdout] 539 |                     let mut ctx =
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/tree_benchmark.rs:554:25
[INFO] [stdout]     |
[INFO] [stdout] 554 |                     let mut ctx = BTreeCtx::new_ord(cnts[i]);
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/tree_benchmark.rs:568:25
[INFO] [stdout]     |
[INFO] [stdout] 568 |                     let mut ctx = SetCtx::new_ord(cnts[i]);
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:311:25
[INFO] [stdout]     |
[INFO] [stdout] 311 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:325:25
[INFO] [stdout]     |
[INFO] [stdout] 325 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:373:25
[INFO] [stdout]     |
[INFO] [stdout] 373 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:390:25
[INFO] [stdout]     |
[INFO] [stdout] 390 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:450:25
[INFO] [stdout]     |
[INFO] [stdout] 450 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:467:25
[INFO] [stdout]     |
[INFO] [stdout] 467 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:530:25
[INFO] [stdout]     |
[INFO] [stdout] 530 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:545:25
[INFO] [stdout]     |
[INFO] [stdout] 545 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:593:25
[INFO] [stdout]     |
[INFO] [stdout] 593 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:611:25
[INFO] [stdout]     |
[INFO] [stdout] 611 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:671:25
[INFO] [stdout]     |
[INFO] [stdout] 671 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]    --> benches/tree_benchmark.rs:689:25
[INFO] [stdout]     |
[INFO] [stdout] 689 |                         ctx.tree.insert(foo, false);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hicollections` (bench "tree_benchmark") due to 13 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9d55df0c8d247206b55fbb6620a662a75466d1d2d292e4d3dca17858cb5bc565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d55df0c8d247206b55fbb6620a662a75466d1d2d292e4d3dca17858cb5bc565", kill_on_drop: false }`
[INFO] [stdout] 9d55df0c8d247206b55fbb6620a662a75466d1d2d292e4d3dca17858cb5bc565
