[INFO] fetching crate rust-flatten-json 0.2.0... [INFO] testing rust-flatten-json-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate rust-flatten-json 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate rust-flatten-json 0.2.0 [INFO] finished tweaking crates.io crate rust-flatten-json 0.2.0 [INFO] tweaked toml for crates.io crate rust-flatten-json 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rust-flatten-json 0.2.0 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 rust-flatten-json 0.2.0 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a367e864bba94e87eb684d7ce7d875127c137c74eabab2e827ee7e9743dff172 [INFO] running `Command { std: "docker" "start" "-a" "a367e864bba94e87eb684d7ce7d875127c137c74eabab2e827ee7e9743dff172", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a367e864bba94e87eb684d7ce7d875127c137c74eabab2e827ee7e9743dff172", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a367e864bba94e87eb684d7ce7d875127c137c74eabab2e827ee7e9743dff172", kill_on_drop: false }` [INFO] [stdout] a367e864bba94e87eb684d7ce7d875127c137c74eabab2e827ee7e9743dff172 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4db5b14a359c299aa169d2e150986795e96a04aca1bb934d9b213d46f4757ff3 [INFO] running `Command { std: "docker" "start" "-a" "4db5b14a359c299aa169d2e150986795e96a04aca1bb934d9b213d46f4757ff3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling backtrace v0.3.42 [INFO] [stderr] Compiling serde_json v1.0.45 [INFO] [stderr] Compiling rust-flatten-json v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | / error_chain! { [INFO] [stdout] 12 | | foreign_links { [INFO] [stdout] 13 | | Json(::serde_json::Error); [INFO] [stdout] 14 | | } [INFO] [stdout] 15 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/bin/from_stdin.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | / error_chain! { [INFO] [stdout] 15 | | foreign_links { [INFO] [stdout] 16 | | Json(::serde_json::Error); [INFO] [stdout] 17 | | Io(::std::io::Error); [INFO] [stdout] ... | [INFO] [stdout] 20 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.22s [INFO] running `Command { std: "docker" "inspect" "4db5b14a359c299aa169d2e150986795e96a04aca1bb934d9b213d46f4757ff3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4db5b14a359c299aa169d2e150986795e96a04aca1bb934d9b213d46f4757ff3", kill_on_drop: false }` [INFO] [stdout] 4db5b14a359c299aa169d2e150986795e96a04aca1bb934d9b213d46f4757ff3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a7c105d570cb177f7d0f09f76deeb696fd3beca8454b0f329bcc4830dce1a7c2 [INFO] running `Command { std: "docker" "start" "-a" "a7c105d570cb177f7d0f09f76deeb696fd3beca8454b0f329bcc4830dce1a7c2", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling rust-flatten-json v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | / error_chain! { [INFO] [stdout] 12 | | foreign_links { [INFO] [stdout] 13 | | Json(::serde_json::Error); [INFO] [stdout] 14 | | } [INFO] [stdout] 15 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | / error_chain! { [INFO] [stdout] 12 | | foreign_links { [INFO] [stdout] 13 | | Json(::serde_json::Error); [INFO] [stdout] 14 | | } [INFO] [stdout] 15 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/bin/from_stdin.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | / error_chain! { [INFO] [stdout] 15 | | foreign_links { [INFO] [stdout] 16 | | Json(::serde_json::Error); [INFO] [stdout] 17 | | Io(::std::io::Error); [INFO] [stdout] ... | [INFO] [stdout] 20 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "a7c105d570cb177f7d0f09f76deeb696fd3beca8454b0f329bcc4830dce1a7c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7c105d570cb177f7d0f09f76deeb696fd3beca8454b0f329bcc4830dce1a7c2", kill_on_drop: false }` [INFO] [stdout] a7c105d570cb177f7d0f09f76deeb696fd3beca8454b0f329bcc4830dce1a7c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 20384c4196a2a71a1149f7960542002f67e0f350291762d4dc5ce2c6a248da42 [INFO] running `Command { std: "docker" "start" "-a" "20384c4196a2a71a1149f7960542002f67e0f350291762d4dc5ce2c6a248da42", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | / error_chain! { [INFO] [stderr] 12 | | foreign_links { [INFO] [stderr] 13 | | Json(::serde_json::Error); [INFO] [stderr] 14 | | } [INFO] [stderr] 15 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `rust-flatten-json` (lib) generated 1 warning [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/bin/from_stdin.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | / error_chain! { [INFO] [stderr] 15 | | foreign_links { [INFO] [stderr] 16 | | Json(::serde_json::Error); [INFO] [stderr] 17 | | Io(::std::io::Error); [INFO] [stderr] ... | [INFO] [stderr] 20 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `rust-flatten-json` (bin "from_stdin" test) generated 1 warning [INFO] [stderr] warning: `rust-flatten-json` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flatten_json-d2923c54e10fee5b) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test tests::nested_multiple_key_value ... ok [INFO] [stdout] test tests::complex_nested_struct ... ok [INFO] [stdout] test tests::nested_array ... ok [INFO] [stdout] test tests::multi_key_value ... ok [INFO] [stdout] test tests::nested_obj_array ... ok [INFO] [stdout] test tests::single_float_as_str_value ... ok [INFO] [stdout] test tests::single_int_as_str_no_infer_type_value ... ok [INFO] [stdout] test tests::nested_single_key_value ... ok [INFO] [stdout] test tests::single_int_as_str_value ... ok [INFO] [stdout] test tests::single_int_value ... ok [INFO] [stdout] test tests::single_key_value ... ok [INFO] [stdout] test tests::top_level_array ... ok [INFO] [stderr] Running unittests src/bin/from_stdin.rs (/opt/rustwide/target/debug/deps/from_stdin-eb6e88667d56a4a1) [INFO] [stdout] test tests::single_bool_as_str_value ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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] [stderr] Doc-tests flatten_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" "20384c4196a2a71a1149f7960542002f67e0f350291762d4dc5ce2c6a248da42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20384c4196a2a71a1149f7960542002f67e0f350291762d4dc5ce2c6a248da42", kill_on_drop: false }` [INFO] [stdout] 20384c4196a2a71a1149f7960542002f67e0f350291762d4dc5ce2c6a248da42