[INFO] fetching crate flatten-serde-json 0.1.0...
[INFO] testing flatten-serde-json-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate flatten-serde-json 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate flatten-serde-json 0.1.0
[INFO] finished tweaking crates.io crate flatten-serde-json 0.1.0
[INFO] tweaked toml for crates.io crate flatten-serde-json 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatten-serde-json 0.1.0 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] crate crates.io crate flatten-serde-json 0.1.0 already has a lockfile, it will not be regenerated
[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-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] f8e648a7b6643d4545a47f4406b61ec2e478653103ebcd7d81c027103ead2cca
[INFO] running `Command { std: "docker" "start" "-a" "f8e648a7b6643d4545a47f4406b61ec2e478653103ebcd7d81c027103ead2cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e648a7b6643d4545a47f4406b61ec2e478653103ebcd7d81c027103ead2cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e648a7b6643d4545a47f4406b61ec2e478653103ebcd7d81c027103ead2cca", kill_on_drop: false }`
[INFO] [stdout] f8e648a7b6643d4545a47f4406b61ec2e478653103ebcd7d81c027103ead2cca
[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] e70d232d609554cca4e9611088d0fa3b638954d5bf12239aa857e2dffef3e6cf
[INFO] running `Command { std: "docker" "start" "-a" "e70d232d609554cca4e9611088d0fa3b638954d5bf12239aa857e2dffef3e6cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling flatten-serde-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "e70d232d609554cca4e9611088d0fa3b638954d5bf12239aa857e2dffef3e6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70d232d609554cca4e9611088d0fa3b638954d5bf12239aa857e2dffef3e6cf", kill_on_drop: false }`
[INFO] [stdout] e70d232d609554cca4e9611088d0fa3b638954d5bf12239aa857e2dffef3e6cf
[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] 048c12d4f859ea18297f6f6bfe716ddd33c81b1eaf902544cd43d62a8800b8d2
[INFO] running `Command { std: "docker" "start" "-a" "048c12d4f859ea18297f6f6bfe716ddd33c81b1eaf902544cd43d62a8800b8d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatten-serde-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "048c12d4f859ea18297f6f6bfe716ddd33c81b1eaf902544cd43d62a8800b8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048c12d4f859ea18297f6f6bfe716ddd33c81b1eaf902544cd43d62a8800b8d2", kill_on_drop: false }`
[INFO] [stdout] 048c12d4f859ea18297f6f6bfe716ddd33c81b1eaf902544cd43d62a8800b8d2
[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] b3d1f4e6fceaa3b8eedcbf3ad9e2a04fa3dc6143d53d2ae1550f09351b9369ef
[INFO] running `Command { std: "docker" "start" "-a" "b3d1f4e6fceaa3b8eedcbf3ad9e2a04fa3dc6143d53d2ae1550f09351b9369ef", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flatten_serde_json-03c8a34e46d50fc4)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::collision_with_object ... ok
[INFO] [stdout] test tests::collision_with_array ... ok
[INFO] [stdout] test tests::flatten_nested_arrays ... ok
[INFO] [stdout] test tests::flatten_nested_arrays_and_objects ... ok
[INFO] [stdout] test tests::flatten_object ... ok
[INFO] [stdout] test tests::no_flattening ... ok
[INFO] [stdout] test tests::flatten_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flatten_serde_json-0c46f558221582c3)
[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]    Doc-tests flatten_serde_json
[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" "b3d1f4e6fceaa3b8eedcbf3ad9e2a04fa3dc6143d53d2ae1550f09351b9369ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d1f4e6fceaa3b8eedcbf3ad9e2a04fa3dc6143d53d2ae1550f09351b9369ef", kill_on_drop: false }`
[INFO] [stdout] b3d1f4e6fceaa3b8eedcbf3ad9e2a04fa3dc6143d53d2ae1550f09351b9369ef