[INFO] fetching crate serde_spaniel 0.4.0...
[INFO] testing serde_spaniel-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate serde_spaniel 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serde_spaniel 0.4.0
[INFO] finished tweaking crates.io crate serde_spaniel 0.4.0
[INFO] tweaked toml for crates.io crate serde_spaniel 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_spaniel 0.4.0 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 serde_spaniel 0.4.0 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-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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 500f03cd07a2c7f7eb302077727ba1e11cf97d8affc3526210e024e24d70dc88
[INFO] running `Command { std: "docker" "start" "-a" "500f03cd07a2c7f7eb302077727ba1e11cf97d8affc3526210e024e24d70dc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "500f03cd07a2c7f7eb302077727ba1e11cf97d8affc3526210e024e24d70dc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500f03cd07a2c7f7eb302077727ba1e11cf97d8affc3526210e024e24d70dc88", kill_on_drop: false }`
[INFO] [stdout] 500f03cd07a2c7f7eb302077727ba1e11cf97d8affc3526210e024e24d70dc88
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e115963f3ce42e60eb54bc12ecd393f0c9a60f7107f4f8c4dc09720909eef6
[INFO] running `Command { std: "docker" "start" "-a" "f3e115963f3ce42e60eb54bc12ecd393f0c9a60f7107f4f8c4dc09720909eef6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling io-lifetimes v0.7.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling rustix v0.35.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.24.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling fd-lock v3.0.6
[INFO] [stderr]    Compiling rustyline v10.0.0
[INFO] [stderr]    Compiling serde_spaniel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.15s
[INFO] running `Command { std: "docker" "inspect" "f3e115963f3ce42e60eb54bc12ecd393f0c9a60f7107f4f8c4dc09720909eef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e115963f3ce42e60eb54bc12ecd393f0c9a60f7107f4f8c4dc09720909eef6", kill_on_drop: false }`
[INFO] [stdout] f3e115963f3ce42e60eb54bc12ecd393f0c9a60f7107f4f8c4dc09720909eef6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226260ef429a64d0d992ac91e7e549bf89e846c77eaca098a99a304d3a05f178
[INFO] running `Command { std: "docker" "start" "-a" "226260ef429a64d0d992ac91e7e549bf89e846c77eaca098a99a304d3a05f178", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_spaniel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "226260ef429a64d0d992ac91e7e549bf89e846c77eaca098a99a304d3a05f178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226260ef429a64d0d992ac91e7e549bf89e846c77eaca098a99a304d3a05f178", kill_on_drop: false }`
[INFO] [stdout] 226260ef429a64d0d992ac91e7e549bf89e846c77eaca098a99a304d3a05f178
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6eeabcff1275621b5b7dcd9c8f34d99ef29d7a4e272eecbf53d97636c4b1d31c
[INFO] running `Command { std: "docker" "start" "-a" "6eeabcff1275621b5b7dcd9c8f34d99ef29d7a4e272eecbf53d97636c4b1d31c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_spaniel-8d8f01d3bc7f9b51)
[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]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-26cc7bf989323db8)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test::de::bad_u32 ... ok
[INFO] [stdout] test test::de::bad_u32_interactive ... ok
[INFO] [stdout] test test::de::bytes ... ok
[INFO] [stdout] test test::de::map_of_enums_and_newtypes ... ok
[INFO] [stdout] test test::de::seq_of_seqs ... ok
[INFO] [stdout] test test::de::tuple_of_options ... ok
[INFO] [stdout] test test::de::struct_of_prims ... ok
[INFO] [stdout] test test::de::tuple_of_units ... ok
[INFO] [stdout] test test::de::struct_of_seqs ... ok
[INFO] [stdout] test test::prompt::compact_request ... ok
[INFO] [stdout] test test::ser::bytes ... ok
[INFO] [stdout] test test::prompt::compact_scope ... ok
[INFO] [stdout] test test::ser::map_of_enums_and_newtypes ... ok
[INFO] [stdout] test test::ser::struct_of_seqs ... ok
[INFO] [stdout] test test::ser::struct_of_prims ... ok
[INFO] [stdout] test test::ser::tuple_of_units ... ok
[INFO] [stdout] test test::ser::seq_of_seqs ... ok
[INFO] [stdout] test test::ser::tuple_of_options ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_spaniel
[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" "6eeabcff1275621b5b7dcd9c8f34d99ef29d7a4e272eecbf53d97636c4b1d31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eeabcff1275621b5b7dcd9c8f34d99ef29d7a4e272eecbf53d97636c4b1d31c", kill_on_drop: false }`
[INFO] [stdout] 6eeabcff1275621b5b7dcd9c8f34d99ef29d7a4e272eecbf53d97636c4b1d31c
