[INFO] fetching crate detexify-c 0.4.0... [INFO] testing detexify-c-0.4.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate detexify-c 0.4.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate detexify-c 0.4.0 [INFO] finished tweaking crates.io crate detexify-c 0.4.0 [INFO] tweaked toml for crates.io crate detexify-c 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate detexify-c 0.4.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 73 packages to latest compatible versions [INFO] [stderr] Adding cbindgen v0.18.0 (available: v0.29.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 41243159a39d614a13a430354bf1bfd7f6966986fa11d5edf1b47a5361599179 [INFO] running `Command { std: "docker" "start" "-a" "41243159a39d614a13a430354bf1bfd7f6966986fa11d5edf1b47a5361599179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "41243159a39d614a13a430354bf1bfd7f6966986fa11d5edf1b47a5361599179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41243159a39d614a13a430354bf1bfd7f6966986fa11d5edf1b47a5361599179", kill_on_drop: false }` [INFO] [stdout] 41243159a39d614a13a430354bf1bfd7f6966986fa11d5edf1b47a5361599179 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d0d242ebb9196661b2e5d9cd3c43932296ab108c7c8ed652a6ebe9c52819a199 [INFO] running `Command { std: "docker" "start" "-a" "d0d242ebb9196661b2e5d9cd3c43932296ab108c7c8ed652a6ebe9c52819a199", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling linked-hash-map v0.5.6 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling base32 v0.4.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling detexify v0.4.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling tuple v0.4.2 [INFO] [stderr] Compiling detexify-c v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | Box::from_raw(classifier); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = Box::from_raw(classifier); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | (*scores).scores.get_unchecked(i).score [INFO] [stdout] | ^^------^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut Scores` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[Score]` [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | (*scores).scores.get_unchecked(i).score [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] note: method calls to `get_unchecked` require a reference [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:637:5 [INFO] [stdout] = note: `#[warn(dangerous_implicit_autorefs)]` on by default [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 100 | (&(*scores).scores).get_unchecked(i).score [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | match Symbol::from_id(&(*scores).scores[i].id) { [INFO] [stdout] | ^^------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut Scores` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec` [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | match Symbol::from_id(&(*scores).scores[i].id) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 106 | match Symbol::from_id(&(&(*scores).scores)[i].id) { [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 115 | Box::from_raw(scores); [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] 115 | let _ = Box::from_raw(scores); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | Box::from_raw(symbol); [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] 181 | let _ = Box::from_raw(symbol); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.92s [INFO] running `Command { std: "docker" "inspect" "d0d242ebb9196661b2e5d9cd3c43932296ab108c7c8ed652a6ebe9c52819a199", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0d242ebb9196661b2e5d9cd3c43932296ab108c7c8ed652a6ebe9c52819a199", kill_on_drop: false }` [INFO] [stdout] d0d242ebb9196661b2e5d9cd3c43932296ab108c7c8ed652a6ebe9c52819a199 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86e9160b98fca19dfff97be3c9bbc0d3a7b18433218225105a9348e4d24910ca [INFO] running `Command { std: "docker" "start" "-a" "86e9160b98fca19dfff97be3c9bbc0d3a7b18433218225105a9348e4d24910ca", kill_on_drop: false }` [INFO] [stderr] Compiling detexify-c v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | Box::from_raw(classifier); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = Box::from_raw(classifier); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | (*scores).scores.get_unchecked(i).score [INFO] [stdout] | ^^------^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut Scores` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[Score]` [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | (*scores).scores.get_unchecked(i).score [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] note: method calls to `get_unchecked` require a reference [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:637:5 [INFO] [stdout] = note: `#[warn(dangerous_implicit_autorefs)]` on by default [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 100 | (&(*scores).scores).get_unchecked(i).score [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | match Symbol::from_id(&(*scores).scores[i].id) { [INFO] [stdout] | ^^------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut Scores` [INFO] [stdout] | [INFO] [stdout] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec` [INFO] [stdout] --> src/lib.rs:106:28 [INFO] [stdout] | [INFO] [stdout] 106 | match Symbol::from_id(&(*scores).scores[i].id) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stdout] | [INFO] [stdout] 106 | match Symbol::from_id(&(&(*scores).scores)[i].id) { [INFO] [stdout] | ++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 115 | Box::from_raw(scores); [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] 115 | let _ = Box::from_raw(scores); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | Box::from_raw(symbol); [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] 181 | let _ = Box::from_raw(symbol); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "86e9160b98fca19dfff97be3c9bbc0d3a7b18433218225105a9348e4d24910ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86e9160b98fca19dfff97be3c9bbc0d3a7b18433218225105a9348e4d24910ca", kill_on_drop: false }` [INFO] [stdout] 86e9160b98fca19dfff97be3c9bbc0d3a7b18433218225105a9348e4d24910ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9f522c8600a7701abb00be0afd2638e653ffdd9f3b3851f5a32ad3ff9a6cfcc3 [INFO] running `Command { std: "docker" "start" "-a" "9f522c8600a7701abb00be0afd2638e653ffdd9f3b3851f5a32ad3ff9a6cfcc3", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/lib.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | Box::from_raw(classifier); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 72 | let _ = Box::from_raw(classifier); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stderr] --> src/lib.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | (*scores).scores.get_unchecked(i).score [INFO] [stderr] | ^^------^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this raw pointer has type `*mut Scores` [INFO] [stderr] | [INFO] [stderr] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&[Score]` [INFO] [stderr] --> src/lib.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | (*scores).scores.get_unchecked(i).score [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] note: method calls to `get_unchecked` require a reference [INFO] [stderr] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:637:5 [INFO] [stderr] = note: `#[warn(dangerous_implicit_autorefs)]` on by default [INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stderr] | [INFO] [stderr] 100 | (&(*scores).scores).get_unchecked(i).score [INFO] [stderr] | ++ + [INFO] [stderr] [INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stderr] --> src/lib.rs:106:28 [INFO] [stderr] | [INFO] [stderr] 106 | match Symbol::from_id(&(*scores).scores[i].id) { [INFO] [stderr] | ^^------^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this raw pointer has type `*mut Scores` [INFO] [stderr] | [INFO] [stderr] = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements [INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&Vec` [INFO] [stderr] --> src/lib.rs:106:28 [INFO] [stderr] | [INFO] [stderr] 106 | match Symbol::from_id(&(*scores).scores[i].id) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit [INFO] [stderr] | [INFO] [stderr] 106 | match Symbol::from_id(&(&(*scores).scores)[i].id) { [INFO] [stderr] | ++ + [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/lib.rs:115:5 [INFO] [stderr] | [INFO] [stderr] 115 | Box::from_raw(scores); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 115 | let _ = Box::from_raw(scores); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/lib.rs:181:5 [INFO] [stderr] | [INFO] [stderr] 181 | Box::from_raw(symbol); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 181 | let _ = Box::from_raw(symbol); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `detexify-c` (lib test) generated 5 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/detexify-601d5021184f00d2) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9f522c8600a7701abb00be0afd2638e653ffdd9f3b3851f5a32ad3ff9a6cfcc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f522c8600a7701abb00be0afd2638e653ffdd9f3b3851f5a32ad3ff9a6cfcc3", kill_on_drop: false }` [INFO] [stdout] 9f522c8600a7701abb00be0afd2638e653ffdd9f3b3851f5a32ad3ff9a6cfcc3