[INFO] fetching crate display_json 0.2.1...
[INFO] testing display_json-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate display_json 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate display_json 0.2.1
[INFO] finished tweaking crates.io crate display_json 0.2.1
[INFO] tweaked toml for crates.io crate display_json 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate display_json 0.2.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c8c1478faf12113f0aa1e796371e847ed9ac4db050ca2f6cf57317eafb869929
[INFO] running `Command { std: "docker" "start" "-a" "c8c1478faf12113f0aa1e796371e847ed9ac4db050ca2f6cf57317eafb869929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c1478faf12113f0aa1e796371e847ed9ac4db050ca2f6cf57317eafb869929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c1478faf12113f0aa1e796371e847ed9ac4db050ca2f6cf57317eafb869929", kill_on_drop: false }`
[INFO] [stdout] c8c1478faf12113f0aa1e796371e847ed9ac4db050ca2f6cf57317eafb869929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 014e607636708a95b95274cef56f5dc42cc044a6c3bbb73a27e17f077e437ed1
[INFO] running `Command { std: "docker" "start" "-a" "014e607636708a95b95274cef56f5dc42cc044a6c3bbb73a27e17f077e437ed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling display_json v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.34s
[INFO] running `Command { std: "docker" "inspect" "014e607636708a95b95274cef56f5dc42cc044a6c3bbb73a27e17f077e437ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014e607636708a95b95274cef56f5dc42cc044a6c3bbb73a27e17f077e437ed1", kill_on_drop: false }`
[INFO] [stdout] 014e607636708a95b95274cef56f5dc42cc044a6c3bbb73a27e17f077e437ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9e4c77e92d37c3c36f3c3e645fa3bee62521fe44c9b8997f9124bf11f31d989e
[INFO] running `Command { std: "docker" "start" "-a" "9e4c77e92d37c3c36f3c3e645fa3bee62521fe44c9b8997f9124bf11f31d989e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling display_json v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "9e4c77e92d37c3c36f3c3e645fa3bee62521fe44c9b8997f9124bf11f31d989e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4c77e92d37c3c36f3c3e645fa3bee62521fe44c9b8997f9124bf11f31d989e", kill_on_drop: false }`
[INFO] [stdout] 9e4c77e92d37c3c36f3c3e645fa3bee62521fe44c9b8997f9124bf11f31d989e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 92fde0d0085ce38e36c51385f1aac4c77bda1464b8d9184bbfd6ef4f99c7b7c3
[INFO] running `Command { std: "docker" "start" "-a" "92fde0d0085ce38e36c51385f1aac4c77bda1464b8d9184bbfd6ef4f99c7b7c3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/display_json-33d32869c8389594)
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-42c57bf880e02994)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test example ... ok
[INFO] [stdout] test example_from_str ... ok
[INFO] [stdout] test example_generic_debug ... ok
[INFO] [stdout] test example_generic_from_str ... ok
[INFO] [stdout] test example_pretty_debug ... ok
[INFO] [stdout] test example_pretty ... ok
[INFO] [stdout] test example_debug ... ok
[INFO] [stderr]    Doc-tests display_json
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - (line 164) ... ok
[INFO] [stdout] test src/lib.rs - (line 138) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 237) ... ok
[INFO] [stdout] test src/lib.rs - derive_display_as_json_pretty (line 129) ... ok
[INFO] [stdout] test src/lib.rs - derive_display_as_json (line 80) ... ok
[INFO] [stdout] test src/lib.rs - derive_debug_as_json (line 187) ... ok
[INFO] [stdout] test src/lib.rs - derive_debug_as_json_pretty (line 236) ... ok
[INFO] [stdout] test src/lib.rs - derive_from_str_as_json (line 294) ... ok
[INFO] [stdout] test src/lib.rs - (line 111) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92fde0d0085ce38e36c51385f1aac4c77bda1464b8d9184bbfd6ef4f99c7b7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92fde0d0085ce38e36c51385f1aac4c77bda1464b8d9184bbfd6ef4f99c7b7c3", kill_on_drop: false }`
[INFO] [stdout] 92fde0d0085ce38e36c51385f1aac4c77bda1464b8d9184bbfd6ef4f99c7b7c3