[INFO] fetching crate serialr 0.2.1...
[INFO] testing serialr-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serialr 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate serialr 0.2.1
[INFO] finished tweaking crates.io crate serialr 0.2.1
[INFO] tweaked toml for crates.io crate serialr 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialr 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 156af63a050d3c181c40552aa60585c30b68c5e493f50684366b009b92007b73
[INFO] running `Command { std: "docker" "start" "-a" "156af63a050d3c181c40552aa60585c30b68c5e493f50684366b009b92007b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "156af63a050d3c181c40552aa60585c30b68c5e493f50684366b009b92007b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156af63a050d3c181c40552aa60585c30b68c5e493f50684366b009b92007b73", kill_on_drop: false }`
[INFO] [stdout] 156af63a050d3c181c40552aa60585c30b68c5e493f50684366b009b92007b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f7741baf235bed164f0c75fb47bec04311334e961d8f5cdb259c427e33022d3
[INFO] running `Command { std: "docker" "start" "-a" "0f7741baf235bed164f0c75fb47bec04311334e961d8f5cdb259c427e33022d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling serialize_derive v0.1.5
[INFO] [stderr]    Compiling serialr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "0f7741baf235bed164f0c75fb47bec04311334e961d8f5cdb259c427e33022d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7741baf235bed164f0c75fb47bec04311334e961d8f5cdb259c427e33022d3", kill_on_drop: false }`
[INFO] [stdout] 0f7741baf235bed164f0c75fb47bec04311334e961d8f5cdb259c427e33022d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 379ef7bf802354dc21a18d22ce4f98314c23f786c4d930d04d2cb06e45ba18f8
[INFO] running `Command { std: "docker" "start" "-a" "379ef7bf802354dc21a18d22ce4f98314c23f786c4d930d04d2cb06e45ba18f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Test1` is never constructed
[INFO] [stdout]   --> src/test.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Test1 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dict` is never constructed
[INFO] [stdout]   --> src/test.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Dict<K, V> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TestEnum` is never used
[INFO] [stdout]   --> src/test.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub enum TestEnum {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec2` is never constructed
[INFO] [stdout]    --> src/test.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct Vec2<N: Any> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "379ef7bf802354dc21a18d22ce4f98314c23f786c4d930d04d2cb06e45ba18f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379ef7bf802354dc21a18d22ce4f98314c23f786c4d930d04d2cb06e45ba18f8", kill_on_drop: false }`
[INFO] [stdout] 379ef7bf802354dc21a18d22ce4f98314c23f786c4d930d04d2cb06e45ba18f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 892e77f1d2ea932e19762dcca259fe935217f838b255b5882e50a6e41eeccb77
[INFO] running `Command { std: "docker" "start" "-a" "892e77f1d2ea932e19762dcca259fe935217f838b255b5882e50a6e41eeccb77", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Test1` is never constructed
[INFO] [stdout] 
[INFO] [stderr]   --> src/test.rs:19:12
[INFO] [stdout] running 11 tests
[INFO] [stderr]    |
[INFO] [stdout] test test::float_test ... ok
[INFO] [stderr] 19 | pub struct Test1 {
[INFO] [stdout] test test::array_test ... ok
[INFO] [stderr]    |            ^^^^^
[INFO] [stdout] test test::tuple_test ... ok
[INFO] [stderr]    |
[INFO] [stdout] test test::generics_test ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test test::hash_map_test ... ok
[INFO] [stderr] 
[INFO] [stdout] test test::invalid_test ... ok
[INFO] [stderr] warning: struct `Dict` is never constructed
[INFO] [stdout] test test::string_test ... ok
[INFO] [stderr]   --> src/test.rs:25:12
[INFO] [stdout] test test::usize_test ... ok
[INFO] [stderr]    |
[INFO] [stdout] test test::vec_test ... ok
[INFO] [stderr] 25 | pub struct Dict<K, V> {
[INFO] [stdout] test test::derive_test ... ok
[INFO] [stderr]    |            ^^^^
[INFO] [stdout] test test::enum_derive_test ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: enum `TestEnum` is never used
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   --> src/test.rs:46:10
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub enum TestEnum {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Vec2` is never constructed
[INFO] [stderr]    --> src/test.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub struct Vec2<N: Any> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serialr` (lib test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serialr-593500960da61770)
[INFO] [stderr]    Doc-tests serialr
[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" "892e77f1d2ea932e19762dcca259fe935217f838b255b5882e50a6e41eeccb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892e77f1d2ea932e19762dcca259fe935217f838b255b5882e50a6e41eeccb77", kill_on_drop: false }`
[INFO] [stdout] 892e77f1d2ea932e19762dcca259fe935217f838b255b5882e50a6e41eeccb77