[INFO] fetching crate merde_json 10.0.6...
[INFO] testing merde_json-10.0.6 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate merde_json 10.0.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate merde_json 10.0.6
[INFO] finished tweaking crates.io crate merde_json 10.0.6
[INFO] tweaked toml for crates.io crate merde_json 10.0.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merde_json 10.0.6 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding lexical-parse-float v0.8.5 (available: v1.0.6)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d1df6314722c60a6a31d7a57a6c44215263d9250ade427b61ba817aa0f0ec55c
[INFO] running `Command { std: "docker" "start" "-a" "d1df6314722c60a6a31d7a57a6c44215263d9250ade427b61ba817aa0f0ec55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1df6314722c60a6a31d7a57a6c44215263d9250ade427b61ba817aa0f0ec55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1df6314722c60a6a31d7a57a6c44215263d9250ade427b61ba817aa0f0ec55c", kill_on_drop: false }`
[INFO] [stdout] d1df6314722c60a6a31d7a57a6c44215263d9250ade427b61ba817aa0f0ec55c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a0bc8a12f1cce44bc893014ea3f70e7207f20872cfd3b19ecfd4dcbc2857470c
[INFO] running `Command { std: "docker" "start" "-a" "a0bc8a12f1cce44bc893014ea3f70e7207f20872cfd3b19ecfd4dcbc2857470c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling compact_bytes v0.1.4
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling ordered-float v5.1.0
[INFO] [stderr]    Compiling merde_core v10.0.6
[INFO] [stderr]    Compiling merde_json v10.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StringDecoderRange` is never constructed
[INFO] [stdout]    --> src/jiter_lite/string_decoder.rs:368:12
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub struct StringDecoderRange;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "a0bc8a12f1cce44bc893014ea3f70e7207f20872cfd3b19ecfd4dcbc2857470c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0bc8a12f1cce44bc893014ea3f70e7207f20872cfd3b19ecfd4dcbc2857470c", kill_on_drop: false }`
[INFO] [stdout] a0bc8a12f1cce44bc893014ea3f70e7207f20872cfd3b19ecfd4dcbc2857470c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f68b958f4d7a8a4b99982a6dfe9011d1a92bbbf7b616bde83ce4e8341c154e86
[INFO] running `Command { std: "docker" "start" "-a" "f68b958f4d7a8a4b99982a6dfe9011d1a92bbbf7b616bde83ce4e8341c154e86", kill_on_drop: false }`
[INFO] [stderr]    Compiling merde_json v10.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StringDecoderRange` is never constructed
[INFO] [stdout]    --> src/jiter_lite/string_decoder.rs:368:12
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub struct StringDecoderRange;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `merde_loggingserializer`
[INFO] [stdout]    --> src/deserialize.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     use merde_loggingserializer::LoggingDeserializer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `merde_loggingserializer`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `merde_loggingserializer`, use `cargo add merde_loggingserializer` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merde_json` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f68b958f4d7a8a4b99982a6dfe9011d1a92bbbf7b616bde83ce4e8341c154e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68b958f4d7a8a4b99982a6dfe9011d1a92bbbf7b616bde83ce4e8341c154e86", kill_on_drop: false }`
[INFO] [stdout] f68b958f4d7a8a4b99982a6dfe9011d1a92bbbf7b616bde83ce4e8341c154e86