[INFO] fetching crate nolock 0.4.1...
[INFO] testing nolock-0.4.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate nolock 0.4.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nolock 0.4.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nolock 0.4.1
[INFO] finished tweaking crates.io crate nolock 0.4.1
[INFO] tweaked toml for crates.io crate nolock 0.4.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate nolock 0.4.1 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inferno v0.10.12
[INFO] [stderr]   Downloaded thiserror v1.0.33
[INFO] [stderr]   Downloaded symbolic-demangle v8.8.0
[INFO] [stderr]   Downloaded tokio v1.21.0
[INFO] [stderr]   Downloaded web-sys v0.3.59
[INFO] [stderr]   Downloaded pprof v0.3.23
[INFO] [stderr]   Downloaded plotters v0.3.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.33
[INFO] [stderr]   Downloaded rgb v0.8.33
[INFO] [stderr]   Downloaded symbolic-common v8.8.0
[INFO] [stderr]   Downloaded generator v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09d817c1f610287568f3be0c7b131195451cf58c01344559921a2d5524b01e2b
[INFO] running `Command { std: "docker" "start" "-a" "09d817c1f610287568f3be0c7b131195451cf58c01344559921a2d5524b01e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d817c1f610287568f3be0c7b131195451cf58c01344559921a2d5524b01e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d817c1f610287568f3be0c7b131195451cf58c01344559921a2d5524b01e2b", kill_on_drop: false }`
[INFO] [stdout] 09d817c1f610287568f3be0c7b131195451cf58c01344559921a2d5524b01e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b7cf90241cbbf3db90c692767a7c4d5a746cb525c388d67fc42b70ec3156ea
[INFO] running `Command { std: "docker" "start" "-a" "92b7cf90241cbbf3db90c692767a7c4d5a746cb525c388d67fc42b70ec3156ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling nolock v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/hazard_ptr/domain.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         return;
[INFO] [stdout]    |         ------ any code following this expression is unreachable
[INFO] [stdout] 99 |         let plist = self.global.get_protections();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/thread_data/storage/trie.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |         unsafe { Box::from_raw(self.initial_ptr) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         unsafe { let _ = Box::from_raw(self.initial_ptr); };
[INFO] [stdout]    |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/thread_data/storage/trie/level.rs:336:30
[INFO] [stdout]     |
[INFO] [stdout] 336 |                     unsafe { Box::from_raw(level_ptr) };
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 336 |                     unsafe { let _ = Box::from_raw(level_ptr); };
[INFO] [stdout]     |                              +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/thread_data/storage/trie/entry.rs:192:26
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 unsafe { Box::from_raw(sub_lvl_ptr) };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 unsafe { let _ = Box::from_raw(sub_lvl_ptr); };
[INFO] [stdout]     |                          +++++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "92b7cf90241cbbf3db90c692767a7c4d5a746cb525c388d67fc42b70ec3156ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b7cf90241cbbf3db90c692767a7c4d5a746cb525c388d67fc42b70ec3156ea", kill_on_drop: false }`
[INFO] [stdout] 92b7cf90241cbbf3db90c692767a7c4d5a746cb525c388d67fc42b70ec3156ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bfeb861f0e8de333d40eee2385fa530ad505877df0aac5ed3b69e4b31c1caeb
[INFO] running `Command { std: "docker" "start" "-a" "0bfeb861f0e8de333d40eee2385fa530ad505877df0aac5ed3b69e4b31c1caeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling debugid v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling symbolic-demangle v8.8.0
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling bytemuck v1.12.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap2 v0.5.7
[INFO] [stderr]    Compiling symbolic-common v8.8.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rgb v0.8.33
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pprof v0.3.23
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling inferno v0.10.12
[INFO] [stderr]    Compiling plotters v0.3.3
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling iai v0.1.1
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/hazard_ptr/domain.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         return;
[INFO] [stdout]    |         ------ any code following this expression is unreachable
[INFO] [stdout] 99 |         let plist = self.global.get_protections();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/thread_data/storage/trie.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |         unsafe { Box::from_raw(self.initial_ptr) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         unsafe { let _ = Box::from_raw(self.initial_ptr); };
[INFO] [stdout]    |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/thread_data/storage/trie/level.rs:336:30
[INFO] [stdout]     |
[INFO] [stdout] 336 |                     unsafe { Box::from_raw(level_ptr) };
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 336 |                     unsafe { let _ = Box::from_raw(level_ptr); };
[INFO] [stdout]     |                              +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/thread_data/storage/trie/entry.rs:192:26
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 unsafe { Box::from_raw(sub_lvl_ptr) };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 unsafe { let _ = Box::from_raw(sub_lvl_ptr); };
[INFO] [stdout]     |                          +++++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling thiserror-impl v1.0.33
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling thiserror v1.0.33
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling nolock v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `sync::Arc`, `thread`, `time::Duration`
[INFO] [stdout]  --> tests/hash_trie.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::Arc, thread, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> tests/hash_trie.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/hazard_ptr.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unsafe {
[INFO] [stdout]    |     ------ because it's nested under this `unsafe` block
[INFO] [stdout] 21 |         global.retire(initial_ptr, |ptr| {
[INFO] [stdout] 22 |             let ref_cell = unsafe { &*ptr };
[INFO] [stdout]    |                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nolock::hash_trie`
[INFO] [stdout]  --> examples/hashtrie.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nolock::hash_trie::HashTrieMap;
[INFO] [stdout]   |             ^^^^^^^^^ could not find `hash_trie` in `nolock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nolock` (example "hashtrie") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/hazard_ptr/domain.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         return;
[INFO] [stdout]    |         ------ any code following this expression is unreachable
[INFO] [stdout] 99 |         let plist = self.global.get_protections();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::boxed::Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/hazard_ptr/record.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 |             unsafe { Box::from_raw(next_record_ptr) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             unsafe { let _ = Box::from_raw(next_record_ptr); };
[INFO] [stdout]    |                      +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::boxed::Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/queues/mpsc/jiffy/bufferlist.rs:278:18
[INFO] [stdout]     |
[INFO] [stdout] 278 |         unsafe { Box::from_raw(first_list_ptr) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 278 |         unsafe { let _ = Box::from_raw(first_list_ptr); };
[INFO] [stdout]     |                  +++++++                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::boxed::Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/queues/mpsc/jiffy/bufferlist.rs:279:18
[INFO] [stdout]     |
[INFO] [stdout] 279 |         unsafe { Box::from_raw(second_list_ptr) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 279 |         unsafe { let _ = Box::from_raw(second_list_ptr); };
[INFO] [stdout]     |                  +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::boxed::Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/queues/mpsc/jiffy/bufferlist.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 |         unsafe { Box::from_raw(third_list_ptr) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 280 |         unsafe { let _ = Box::from_raw(third_list_ptr); };
[INFO] [stdout]     |                  +++++++                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::boxed::Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/queues/mpsc/jiffy/bufferlist.rs:320:18
[INFO] [stdout]     |
[INFO] [stdout] 320 |         unsafe { Box::from_raw(raw_list_ptr) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 320 |         unsafe { let _ = Box::from_raw(raw_list_ptr); };
[INFO] [stdout]     |                  +++++++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::boxed::Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/thread_data/storage/trie.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |         unsafe { Box::from_raw(self.initial_ptr) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         unsafe { let _ = Box::from_raw(self.initial_ptr); };
[INFO] [stdout]    |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::boxed::Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/thread_data/storage/trie/level.rs:336:30
[INFO] [stdout]     |
[INFO] [stdout] 336 |                     unsafe { Box::from_raw(level_ptr) };
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 336 |                     unsafe { let _ = Box::from_raw(level_ptr); };
[INFO] [stdout]     |                              +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::boxed::Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/thread_data/storage/trie/entry.rs:192:26
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 unsafe { Box::from_raw(sub_lvl_ptr) };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 unsafe { let _ = Box::from_raw(sub_lvl_ptr); };
[INFO] [stdout]     |                          +++++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bfeb861f0e8de333d40eee2385fa530ad505877df0aac5ed3b69e4b31c1caeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfeb861f0e8de333d40eee2385fa530ad505877df0aac5ed3b69e4b31c1caeb", kill_on_drop: false }`
[INFO] [stdout] 0bfeb861f0e8de333d40eee2385fa530ad505877df0aac5ed3b69e4b31c1caeb
