[INFO] fetching crate serde-single-key-map 0.1.0...
[INFO] testing serde-single-key-map-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate serde-single-key-map 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde-single-key-map 0.1.0
[INFO] finished tweaking crates.io crate serde-single-key-map 0.1.0
[INFO] tweaked toml for crates.io crate serde-single-key-map 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-single-key-map 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 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-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] 8b2593eaa11dbb5bdf396d0d69b7ca8e45514c509586a25eeabd2fef04611892
[INFO] running `Command { std: "docker" "start" "-a" "8b2593eaa11dbb5bdf396d0d69b7ca8e45514c509586a25eeabd2fef04611892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2593eaa11dbb5bdf396d0d69b7ca8e45514c509586a25eeabd2fef04611892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2593eaa11dbb5bdf396d0d69b7ca8e45514c509586a25eeabd2fef04611892", kill_on_drop: false }`
[INFO] [stdout] 8b2593eaa11dbb5bdf396d0d69b7ca8e45514c509586a25eeabd2fef04611892
[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] 1ea7d14f83f522f3cefe334ad5776be114ebcb90459b57a19dddaf46e437c0fe
[INFO] running `Command { std: "docker" "start" "-a" "1ea7d14f83f522f3cefe334ad5776be114ebcb90459b57a19dddaf46e437c0fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-single-key-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "1ea7d14f83f522f3cefe334ad5776be114ebcb90459b57a19dddaf46e437c0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea7d14f83f522f3cefe334ad5776be114ebcb90459b57a19dddaf46e437c0fe", kill_on_drop: false }`
[INFO] [stdout] 1ea7d14f83f522f3cefe334ad5776be114ebcb90459b57a19dddaf46e437c0fe
[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] 9df7831e354330c658ce97182644e3ab4a91ef5e6f08aee322398c6cb6878276
[INFO] running `Command { std: "docker" "start" "-a" "9df7831e354330c658ce97182644e3ab4a91ef5e6f08aee322398c6cb6878276", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-single-key-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "9df7831e354330c658ce97182644e3ab4a91ef5e6f08aee322398c6cb6878276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df7831e354330c658ce97182644e3ab4a91ef5e6f08aee322398c6cb6878276", kill_on_drop: false }`
[INFO] [stdout] 9df7831e354330c658ce97182644e3ab4a91ef5e6f08aee322398c6cb6878276
[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] 30afb25551cba258bf6321ea79a0e995b0785bd8b513de33f55131672f70150d
[INFO] running `Command { std: "docker" "start" "-a" "30afb25551cba258bf6321ea79a0e995b0785bd8b513de33f55131672f70150d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_single_key_map-dd16438633b24cb9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_deserialize_with_multiple_keys - should panic ... ok
[INFO] [stdout] test tests::test_deserialize_with_empty_map - should panic ... ok
[INFO] [stdout] test tests::test_deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_single_key_map
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30afb25551cba258bf6321ea79a0e995b0785bd8b513de33f55131672f70150d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30afb25551cba258bf6321ea79a0e995b0785bd8b513de33f55131672f70150d", kill_on_drop: false }`
[INFO] [stdout] 30afb25551cba258bf6321ea79a0e995b0785bd8b513de33f55131672f70150d
