[INFO] fetching crate string_art 0.1.0-alpha.1... [INFO] testing string_art-0.1.0-alpha.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate string_art 0.1.0-alpha.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate string_art 0.1.0-alpha.1 [INFO] finished tweaking crates.io crate string_art 0.1.0-alpha.1 [INFO] tweaked toml for crates.io crate string_art 0.1.0-alpha.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate string_art 0.1.0-alpha.1 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] Locking 140 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d65d4f8773fa2acbc1b34f159ed0de0dc6b27dab54864ddcb3aad18f398c7f9b [INFO] running `Command { std: "docker" "start" "-a" "d65d4f8773fa2acbc1b34f159ed0de0dc6b27dab54864ddcb3aad18f398c7f9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d65d4f8773fa2acbc1b34f159ed0de0dc6b27dab54864ddcb3aad18f398c7f9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d65d4f8773fa2acbc1b34f159ed0de0dc6b27dab54864ddcb3aad18f398c7f9b", kill_on_drop: false }` [INFO] [stdout] d65d4f8773fa2acbc1b34f159ed0de0dc6b27dab54864ddcb3aad18f398c7f9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 404be2923c17aae2db65c36334e959d575f6479b42685cea4446d03bf081fb4e [INFO] running `Command { std: "docker" "start" "-a" "404be2923c17aae2db65c36334e959d575f6479b42685cea4446d03bf081fb4e", kill_on_drop: false }` [INFO] [stderr] Compiling simd-adler32 v0.3.7 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] Compiling built v0.7.7 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling quick-error v2.0.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling phf_shared v0.11.3 [INFO] [stderr] Compiling simd_helpers v0.1.0 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Compiling half v2.6.0 [INFO] [stderr] Compiling imgref v1.12.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling maybe-rayon v0.1.1 [INFO] [stderr] Compiling weezl v0.1.10 [INFO] [stderr] Compiling zune-core v0.4.12 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling noop_proc_macro v0.3.0 [INFO] [stderr] Compiling bitstream-io v2.6.0 [INFO] [stderr] Compiling loop9 v0.1.5 [INFO] [stderr] Compiling zune-inflate v0.2.54 [INFO] [stderr] Compiling zune-jpeg v0.4.21 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling avif-serialize v0.8.6 [INFO] [stderr] Compiling fdeflate v0.3.7 [INFO] [stderr] Compiling pxfm v0.1.24 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling rav1e v0.7.1 [INFO] [stderr] Compiling bytemuck v1.23.2 [INFO] [stderr] Compiling byteorder-lite v0.1.0 [INFO] [stderr] Compiling lebe v0.5.3 [INFO] [stderr] Compiling by_address v1.2.1 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling rgb v0.8.52 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling palette v0.7.6 [INFO] [stderr] Compiling bit_field v0.10.3 [INFO] [stderr] Compiling image-webp v0.2.4 [INFO] [stderr] Compiling gif v0.13.3 [INFO] [stderr] Compiling exr v1.73.0 [INFO] [stderr] Compiling qoi v0.4.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling fast-srgb8 v1.0.0 [INFO] [stderr] Compiling png v0.18.0 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling bresenham v0.1.1 [INFO] [stderr] Compiling svg v0.18.0 [INFO] [stderr] Compiling moxcms v0.7.5 [INFO] [stderr] Compiling equator-macro v0.4.2 [INFO] [stderr] Compiling profiling-procmacros v1.0.17 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling fax_derive v0.2.0 [INFO] [stderr] Compiling num-derive v0.4.2 [INFO] [stderr] Compiling arg_enum_proc_macro v0.3.4 [INFO] [stderr] Compiling phf_macros v0.11.3 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling palette_derive v0.7.6 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling profiling v1.0.17 [INFO] [stderr] Compiling phf v0.11.3 [INFO] [stderr] Compiling fax v0.2.6 [INFO] [stderr] Compiling tiff v0.10.3 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling equator v0.4.2 [INFO] [stderr] Compiling aligned-vec v0.6.4 [INFO] [stderr] Compiling v_frame v0.3.9 [INFO] [stderr] Compiling av1-grain v0.2.4 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling ravif v0.11.20 [INFO] [stderr] Compiling image v0.25.8 [INFO] [stderr] Compiling string_art v0.1.0-alpha.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/algorithm.rs:286:17 [INFO] [stdout] | [INFO] [stdout] 286 | (*self.0).get_unchecked_mut(idx) [INFO] [stdout] | ^^------^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut [BakedSegment]` [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: `&mut [BakedSegment]` [INFO] [stdout] --> src/algorithm.rs:286:17 [INFO] [stdout] | [INFO] [stdout] 286 | (*self.0).get_unchecked_mut(idx) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] note: method calls to `get_unchecked_mut` require a reference [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:682:5 [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] 286 | (&mut (*self.0)).get_unchecked_mut(idx) [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.04s [INFO] running `Command { std: "docker" "inspect" "404be2923c17aae2db65c36334e959d575f6479b42685cea4446d03bf081fb4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "404be2923c17aae2db65c36334e959d575f6479b42685cea4446d03bf081fb4e", kill_on_drop: false }` [INFO] [stdout] 404be2923c17aae2db65c36334e959d575f6479b42685cea4446d03bf081fb4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c169647808edf19ecc89ae3bcb11540476e38287cb6cb3c6c99548d789c4a375 [INFO] running `Command { std: "docker" "start" "-a" "c169647808edf19ecc89ae3bcb11540476e38287cb6cb3c6c99548d789c4a375", kill_on_drop: false }` [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/algorithm.rs:286:17 [INFO] [stdout] | [INFO] [stdout] 286 | (*self.0).get_unchecked_mut(idx) [INFO] [stdout] | ^^------^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut [BakedSegment]` [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: `&mut [BakedSegment]` [INFO] [stdout] --> src/algorithm.rs:286:17 [INFO] [stdout] | [INFO] [stdout] 286 | (*self.0).get_unchecked_mut(idx) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] note: method calls to `get_unchecked_mut` require a reference [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:682:5 [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] 286 | (&mut (*self.0)).get_unchecked_mut(idx) [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling string_art v0.1.0-alpha.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stdout] --> src/algorithm.rs:286:17 [INFO] [stdout] | [INFO] [stdout] 286 | (*self.0).get_unchecked_mut(idx) [INFO] [stdout] | ^^------^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this raw pointer has type `*mut [BakedSegment]` [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: `&mut [BakedSegment]` [INFO] [stdout] --> src/algorithm.rs:286:17 [INFO] [stdout] | [INFO] [stdout] 286 | (*self.0).get_unchecked_mut(idx) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] note: method calls to `get_unchecked_mut` require a reference [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:682:5 [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] 286 | (&mut (*self.0)).get_unchecked_mut(idx) [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "c169647808edf19ecc89ae3bcb11540476e38287cb6cb3c6c99548d789c4a375", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c169647808edf19ecc89ae3bcb11540476e38287cb6cb3c6c99548d789c4a375", kill_on_drop: false }` [INFO] [stdout] c169647808edf19ecc89ae3bcb11540476e38287cb6cb3c6c99548d789c4a375 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 22ad8902e0213fc0783e462438b626725e8ad39768e4d9b15396b35908e4076f [INFO] running `Command { std: "docker" "start" "-a" "22ad8902e0213fc0783e462438b626725e8ad39768e4d9b15396b35908e4076f", kill_on_drop: false }` [INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer [INFO] [stderr] --> src/algorithm.rs:286:17 [INFO] [stderr] | [INFO] [stderr] 286 | (*self.0).get_unchecked_mut(idx) [INFO] [stderr] | ^^------^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this raw pointer has type `*mut [BakedSegment]` [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: `&mut [BakedSegment]` [INFO] [stderr] --> src/algorithm.rs:286:17 [INFO] [stderr] | [INFO] [stderr] 286 | (*self.0).get_unchecked_mut(idx) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] note: method calls to `get_unchecked_mut` require a reference [INFO] [stderr] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:682:5 [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] 286 | (&mut (*self.0)).get_unchecked_mut(idx) [INFO] [stderr] | +++++ + [INFO] [stderr] [INFO] [stderr] warning: `string_art` (lib) generated 1 warning [INFO] [stderr] warning: `string_art` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_art-cb05a67bf1a55d5e) [INFO] [stdout] [INFO] [stderr] Doc-tests string_art [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] [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" "22ad8902e0213fc0783e462438b626725e8ad39768e4d9b15396b35908e4076f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22ad8902e0213fc0783e462438b626725e8ad39768e4d9b15396b35908e4076f", kill_on_drop: false }` [INFO] [stdout] 22ad8902e0213fc0783e462438b626725e8ad39768e4d9b15396b35908e4076f