[INFO] fetching crate cor-args 0.2.0...
[INFO] testing cor-args-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cor-args 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cor-args 0.2.0
[INFO] finished tweaking crates.io crate cor-args 0.2.0
[INFO] tweaked toml for crates.io crate cor-args 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cor-args 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 cor-args 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 35e4457f7554a412883e3b89e33dc91fe8a60ddad3d44572970d55a181038e03
[INFO] running `Command { std: "docker" "start" "-a" "35e4457f7554a412883e3b89e33dc91fe8a60ddad3d44572970d55a181038e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e4457f7554a412883e3b89e33dc91fe8a60ddad3d44572970d55a181038e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e4457f7554a412883e3b89e33dc91fe8a60ddad3d44572970d55a181038e03", kill_on_drop: false }`
[INFO] [stdout] 35e4457f7554a412883e3b89e33dc91fe8a60ddad3d44572970d55a181038e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3819ddc1fe942c25d876355aaf46009845e8f1e5f3138beb0906d392ac92f5c6
[INFO] running `Command { std: "docker" "start" "-a" "3819ddc1fe942c25d876355aaf46009845e8f1e5f3138beb0906d392ac92f5c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling cor-args v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "3819ddc1fe942c25d876355aaf46009845e8f1e5f3138beb0906d392ac92f5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3819ddc1fe942c25d876355aaf46009845e8f1e5f3138beb0906d392ac92f5c6", kill_on_drop: false }`
[INFO] [stdout] 3819ddc1fe942c25d876355aaf46009845e8f1e5f3138beb0906d392ac92f5c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 809f03afd5153d592a395028a04de5edc1902f609125944f1fad78f412cb66d0
[INFO] running `Command { std: "docker" "start" "-a" "809f03afd5153d592a395028a04de5edc1902f609125944f1fad78f412cb66d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling unindent v0.2.3
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling cor-args v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "809f03afd5153d592a395028a04de5edc1902f609125944f1fad78f412cb66d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809f03afd5153d592a395028a04de5edc1902f609125944f1fad78f412cb66d0", kill_on_drop: false }`
[INFO] [stdout] 809f03afd5153d592a395028a04de5edc1902f609125944f1fad78f412cb66d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eebc685cbda601f33a4e9297b14dbece3cd31ce130d9060320b895aa0a8d992e
[INFO] running `Command { std: "docker" "start" "-a" "eebc685cbda601f33a4e9297b14dbece3cd31ce130d9060320b895aa0a8d992e", 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/cor_args-96a1a85e33f5a6bb)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::default_handler::test_retrieves_set_value ... ok
[INFO] [stdout] test tests::env_handler::test_retrieves_set_value_with_prefix ... ok
[INFO] [stdout] test tests::env_handler::test_next_handler_called ... ok
[INFO] [stdout] test tests::env_handler::test_returns_none_for_unset_value ... ok
[INFO] [stdout] test tests::env_handler::test_retrieves_set_value_without_prefix ... ok
[INFO] [stdout] test tests::file_handler::test_returns_none_for_nonexistent_file ... ok
[INFO] [stdout] test tests::json_file_handler::test_returns_none_for_nonexistent_file ... ok
[INFO] [stdout] test tests::file_handler::test_retrieves_set_value ... ok
[INFO] [stdout] test tests::json_file_handler::test_retrieves_set_value_nested_object ... ok
[INFO] [stdout] test tests::json_file_handler::test_next_handler_called ... ok
[INFO] [stdout] test tests::test_default_features_chain_of_responsibility ... ok
[INFO] [stdout] test tests::json_file_handler::test_retrieves_set_value_string ... ok
[INFO] [stdout] test tests::file_handler::test_next_handler_called ... ok
[INFO] [stdout] test tests::json_file_handler::test_retrieves_set_value_in_array ... ok
[INFO] [stdout] test tests::json_file_handler::test_retrieves_set_value_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cor_args
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - JSONFileHandler::new (line 420) ... ok
[INFO] [stdout] test src/lib.rs - JSONFileHandler (line 394) ... ok
[INFO] [stdout] test src/lib.rs - EnvHandler<'a>::new (line 228) ... ok
[INFO] [stdout] test src/lib.rs - FileHandler (line 301) ... ok
[INFO] [stdout] test src/lib.rs - DefaultHandler (line 38) ... ok
[INFO] [stdout] test src/lib.rs - EnvHandler (line 200) ... ok
[INFO] [stdout] test src/lib.rs - FileHandler::new (line 329) ... ok
[INFO] [stdout] test src/lib.rs - DefaultHandler::new (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eebc685cbda601f33a4e9297b14dbece3cd31ce130d9060320b895aa0a8d992e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebc685cbda601f33a4e9297b14dbece3cd31ce130d9060320b895aa0a8d992e", kill_on_drop: false }`
[INFO] [stdout] eebc685cbda601f33a4e9297b14dbece3cd31ce130d9060320b895aa0a8d992e