[INFO] fetching crate protobuf-json-mapping 3.7.2...
[INFO] testing protobuf-json-mapping-3.7.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate protobuf-json-mapping 3.7.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate protobuf-json-mapping 3.7.2
[INFO] finished tweaking crates.io crate protobuf-json-mapping 3.7.2
[INFO] tweaked toml for crates.io crate protobuf-json-mapping 3.7.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate protobuf-json-mapping 3.7.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate protobuf-json-mapping 3.7.2 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2044a286d8694ff4bb8af8ff56b5f954ac8d4b4a1b6903e8c715ce2fb9f6dda
[INFO] running `Command { std: "docker" "start" "-a" "e2044a286d8694ff4bb8af8ff56b5f954ac8d4b4a1b6903e8c715ce2fb9f6dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2044a286d8694ff4bb8af8ff56b5f954ac8d4b4a1b6903e8c715ce2fb9f6dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2044a286d8694ff4bb8af8ff56b5f954ac8d4b4a1b6903e8c715ce2fb9f6dda", kill_on_drop: false }`
[INFO] [stdout] e2044a286d8694ff4bb8af8ff56b5f954ac8d4b4a1b6903e8c715ce2fb9f6dda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a66f46f00519715ad578004f691c8e4092910b9050eacc2430e3c6cbfd3f464
[INFO] running `Command { std: "docker" "start" "-a" "2a66f46f00519715ad578004f691c8e4092910b9050eacc2430e3c6cbfd3f464", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]    Compiling protobuf-json-mapping v3.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `subsec_digits` is never read
[INFO] [stdout]    --> src/rfc_3339.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 subsec_digits -= 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.29s
[INFO] running `Command { std: "docker" "inspect" "2a66f46f00519715ad578004f691c8e4092910b9050eacc2430e3c6cbfd3f464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a66f46f00519715ad578004f691c8e4092910b9050eacc2430e3c6cbfd3f464", kill_on_drop: false }`
[INFO] [stdout] 2a66f46f00519715ad578004f691c8e4092910b9050eacc2430e3c6cbfd3f464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9be8d39268c8173505212cafb17103fcc5a873ae1cb92ec196024db13eac0c92
[INFO] running `Command { std: "docker" "start" "-a" "9be8d39268c8173505212cafb17103fcc5a873ae1cb92ec196024db13eac0c92", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf-json-mapping v3.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `subsec_digits` is never read
[INFO] [stdout]    --> src/rfc_3339.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 subsec_digits -= 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `subsec_digits` is never read
[INFO] [stdout]    --> src/rfc_3339.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 subsec_digits -= 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "9be8d39268c8173505212cafb17103fcc5a873ae1cb92ec196024db13eac0c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be8d39268c8173505212cafb17103fcc5a873ae1cb92ec196024db13eac0c92", kill_on_drop: false }`
[INFO] [stdout] 9be8d39268c8173505212cafb17103fcc5a873ae1cb92ec196024db13eac0c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fef5417567d52a8e97847c6b958386ab18b292968dd97ba9f3a8261bf266c8b2
[INFO] running `Command { std: "docker" "start" "-a" "fef5417567d52a8e97847c6b958386ab18b292968dd97ba9f3a8261bf266c8b2", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `subsec_digits` is never read
[INFO] [stdout] 
[INFO] [stderr]    --> src/rfc_3339.rs:461:17
[INFO] [stdout] running 13 tests
[INFO] [stderr]     |
[INFO] [stdout] test base64::tests::test_decode ... ok
[INFO] [stderr] 461 |                 subsec_digits -= 1;
[INFO] [stdout] test base64::tests::test_decode_invalid_padding ... ok
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test base64::tests::test_decode_newlines ... ok
[INFO] [stderr]     |
[INFO] [stdout] test base64::tests::test_decode_basic ... ok
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stdout] test base64::tests::test_from_base64_invalid_char ... ok
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test rfc_3339::test::test_fmt ... ok
[INFO] [stderr] 
[INFO] [stdout] test rfc_3339::test::test_fmt_max_duration ... ok
[INFO] [stderr] warning: `protobuf-json-mapping` (lib) generated 1 warning
[INFO] [stdout] test rfc_3339::test::test_parse_alt ... ok
[INFO] [stderr] warning: `protobuf-json-mapping` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test base64::tests::test_decode_urlsafe ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] test rfc_3339::test::test_parse_incorrect_inputs ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/protobuf_json_mapping-7e9daaee1e0947f7)
[INFO] [stdout] test base64::tests::test_encode_basic ... ok
[INFO] [stdout] test base64::tests::test_encode_standard_safe ... ok
[INFO] [stdout] test rfc_3339::test::test_parse_fmt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests protobuf_json_mapping
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/parse.rs - parse::ParseOptions (line 845) ... ok
[INFO] [stdout] test src/print.rs - print::PrintOptions (line 549) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fef5417567d52a8e97847c6b958386ab18b292968dd97ba9f3a8261bf266c8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef5417567d52a8e97847c6b958386ab18b292968dd97ba9f3a8261bf266c8b2", kill_on_drop: false }`
[INFO] [stdout] fef5417567d52a8e97847c6b958386ab18b292968dd97ba9f3a8261bf266c8b2
