[INFO] fetching crate unicase_serde 0.1.0...
[INFO] testing unicase_serde-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate unicase_serde 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate unicase_serde 0.1.0
[INFO] finished tweaking crates.io crate unicase_serde 0.1.0
[INFO] tweaked toml for crates.io crate unicase_serde 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unicase_serde 0.1.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 9 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 997b466c94b97e973d32e524962d26f1c651285c97a5776b1333a9364dc4f265
[INFO] running `Command { std: "docker" "start" "-a" "997b466c94b97e973d32e524962d26f1c651285c97a5776b1333a9364dc4f265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "997b466c94b97e973d32e524962d26f1c651285c97a5776b1333a9364dc4f265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997b466c94b97e973d32e524962d26f1c651285c97a5776b1333a9364dc4f265", kill_on_drop: false }`
[INFO] [stdout] 997b466c94b97e973d32e524962d26f1c651285c97a5776b1333a9364dc4f265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9e7f13984e95d0d0b560f27a38611c22ef3908957180f05600e10a45f1463690
[INFO] running `Command { std: "docker" "start" "-a" "9e7f13984e95d0d0b560f27a38611c22ef3908957180f05600e10a45f1463690", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling unicase_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "9e7f13984e95d0d0b560f27a38611c22ef3908957180f05600e10a45f1463690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7f13984e95d0d0b560f27a38611c22ef3908957180f05600e10a45f1463690", kill_on_drop: false }`
[INFO] [stdout] 9e7f13984e95d0d0b560f27a38611c22ef3908957180f05600e10a45f1463690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7cfa33a69f405c7c500910dfd423c8f68ed29ff9b2cb68428d8ef2047e02d83e
[INFO] running `Command { std: "docker" "start" "-a" "7cfa33a69f405c7c500910dfd423c8f68ed29ff9b2cb68428d8ef2047e02d83e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling unicase_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CustomStr` is never constructed
[INFO] [stdout]    --> src/lib.rs:445:12
[INFO] [stdout]     |
[INFO] [stdout] 445 |     struct CustomStr<'a>(Cow<'a, str>);
[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 `CustomString` is never constructed
[INFO] [stdout]    --> src/lib.rs:466:12
[INFO] [stdout]     |
[INFO] [stdout] 466 |     struct CustomString<'a>(Cow<'a, String>);
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestCustomStruct` is never constructed
[INFO] [stdout]    --> src/lib.rs:487:12
[INFO] [stdout]     |
[INFO] [stdout] 487 |     struct TestCustomStruct<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "7cfa33a69f405c7c500910dfd423c8f68ed29ff9b2cb68428d8ef2047e02d83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfa33a69f405c7c500910dfd423c8f68ed29ff9b2cb68428d8ef2047e02d83e", kill_on_drop: false }`
[INFO] [stdout] 7cfa33a69f405c7c500910dfd423c8f68ed29ff9b2cb68428d8ef2047e02d83e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] af5a8e82ddb5ad8b8147ca670195afe67e876d8e50c32d9af6270299c88fd777
[INFO] running `Command { std: "docker" "start" "-a" "af5a8e82ddb5ad8b8147ca670195afe67e876d8e50c32d9af6270299c88fd777", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: struct `CustomStr` is never constructed
[INFO] [stderr]    --> src/lib.rs:445:12
[INFO] [stderr]     |
[INFO] [stderr] 445 |     struct CustomStr<'a>(Cow<'a, str>);
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CustomString` is never constructed
[INFO] [stderr]    --> src/lib.rs:466:12
[INFO] [stderr]     |
[INFO] [stderr] 466 |     struct CustomString<'a>(Cow<'a, String>);
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestCustomStruct` is never constructed
[INFO] [stderr]    --> src/lib.rs:487:12
[INFO] [stderr]     |
[INFO] [stderr] 487 |     struct TestCustomStruct<'a> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `unicase_serde` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unicase_serde-a12baed92ca9da81)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_ascii_serde ... ok
[INFO] [stdout] test tests::test_unicase_serde ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unicase_serde
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 113) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af5a8e82ddb5ad8b8147ca670195afe67e876d8e50c32d9af6270299c88fd777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5a8e82ddb5ad8b8147ca670195afe67e876d8e50c32d9af6270299c88fd777", kill_on_drop: false }`
[INFO] [stdout] af5a8e82ddb5ad8b8147ca670195afe67e876d8e50c32d9af6270299c88fd777