[INFO] fetching crate json-ext 0.3.0...
[INFO] testing json-ext-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate json-ext 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate json-ext 0.3.0
[INFO] finished tweaking crates.io crate json-ext 0.3.0
[INFO] tweaked toml for crates.io crate json-ext 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-ext 0.3.0 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]      Locking 11 packages to latest compatible versions
[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] 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] 0c0d12d97bd0bc8e26c929344bdc31ebef34afc5b1d6fb460d6d72945b0141d4
[INFO] running `Command { std: "docker" "start" "-a" "0c0d12d97bd0bc8e26c929344bdc31ebef34afc5b1d6fb460d6d72945b0141d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c0d12d97bd0bc8e26c929344bdc31ebef34afc5b1d6fb460d6d72945b0141d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0d12d97bd0bc8e26c929344bdc31ebef34afc5b1d6fb460d6d72945b0141d4", kill_on_drop: false }`
[INFO] [stdout] 0c0d12d97bd0bc8e26c929344bdc31ebef34afc5b1d6fb460d6d72945b0141d4
[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] 1990bdd3b245eee5a07e90e4adf1501e43006ab0de4497fafa59291dc314c547
[INFO] running `Command { std: "docker" "start" "-a" "1990bdd3b245eee5a07e90e4adf1501e43006ab0de4497fafa59291dc314c547", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling json-ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "1990bdd3b245eee5a07e90e4adf1501e43006ab0de4497fafa59291dc314c547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1990bdd3b245eee5a07e90e4adf1501e43006ab0de4497fafa59291dc314c547", kill_on_drop: false }`
[INFO] [stdout] 1990bdd3b245eee5a07e90e4adf1501e43006ab0de4497fafa59291dc314c547
[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] fd558f4cde4b0e2dd078e150d392cb7b199972b9ac61955a3a51aef80a622ad5
[INFO] running `Command { std: "docker" "start" "-a" "fd558f4cde4b0e2dd078e150d392cb7b199972b9ac61955a3a51aef80a622ad5", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "fd558f4cde4b0e2dd078e150d392cb7b199972b9ac61955a3a51aef80a622ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd558f4cde4b0e2dd078e150d392cb7b199972b9ac61955a3a51aef80a622ad5", kill_on_drop: false }`
[INFO] [stdout] fd558f4cde4b0e2dd078e150d392cb7b199972b9ac61955a3a51aef80a622ad5
[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", kill_on_drop: false }`
[INFO] [stdout] 49eb5377de2376f54c48523eb533cb1e6dbf53c4c9098979d7978541e0fb531c
[INFO] running `Command { std: "docker" "start" "-a" "49eb5377de2376f54c48523eb533cb1e6dbf53c4c9098979d7978541e0fb531c", 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/json_ext-10aa21b0dbeb2742)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test object::test::json ... ok
[INFO] [stdout] test object::test::try_from_and_try_into ... ok
[INFO] [stderr]    Doc-tests json_ext
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "49eb5377de2376f54c48523eb533cb1e6dbf53c4c9098979d7978541e0fb531c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49eb5377de2376f54c48523eb533cb1e6dbf53c4c9098979d7978541e0fb531c", kill_on_drop: false }`
[INFO] [stdout] 49eb5377de2376f54c48523eb533cb1e6dbf53c4c9098979d7978541e0fb531c