[INFO] fetching crate streaming_serde_json 0.1.2...
[INFO] testing streaming_serde_json-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate streaming_serde_json 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate streaming_serde_json 0.1.2
[INFO] finished tweaking crates.io crate streaming_serde_json 0.1.2
[INFO] tweaked toml for crates.io crate streaming_serde_json 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate streaming_serde_json 0.1.2 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 13 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b91f8e5528c7e3bbf64e92e9bad162c42c45cfe99946a0e69bbb3210edf2ab54
[INFO] running `Command { std: "docker" "start" "-a" "b91f8e5528c7e3bbf64e92e9bad162c42c45cfe99946a0e69bbb3210edf2ab54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b91f8e5528c7e3bbf64e92e9bad162c42c45cfe99946a0e69bbb3210edf2ab54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91f8e5528c7e3bbf64e92e9bad162c42c45cfe99946a0e69bbb3210edf2ab54", kill_on_drop: false }`
[INFO] [stdout] b91f8e5528c7e3bbf64e92e9bad162c42c45cfe99946a0e69bbb3210edf2ab54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e939df0b9d89b62462e44f2cf5beda5bdea0c90b405346dff19f75cf702afcf0
[INFO] running `Command { std: "docker" "start" "-a" "e939df0b9d89b62462e44f2cf5beda5bdea0c90b405346dff19f75cf702afcf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling streaming_serde_json v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "e939df0b9d89b62462e44f2cf5beda5bdea0c90b405346dff19f75cf702afcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e939df0b9d89b62462e44f2cf5beda5bdea0c90b405346dff19f75cf702afcf0", kill_on_drop: false }`
[INFO] [stdout] e939df0b9d89b62462e44f2cf5beda5bdea0c90b405346dff19f75cf702afcf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c7865f42370eb3c6864942eaa9fc93a6f81a107b284c12ae3d64b0ac841b0513
[INFO] running `Command { std: "docker" "start" "-a" "c7865f42370eb3c6864942eaa9fc93a6f81a107b284c12ae3d64b0ac841b0513", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-chars v3.0.5
[INFO] [stderr]    Compiling streaming_serde_json v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `json_fuzzer`
[INFO] [stdout]   --> src/tests.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let fuzz = json_fuzzer::fuzz();
[INFO] [stdout]    |                    ^^^^^^^^^^^ use of unresolved module or unlinked crate `json_fuzzer`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `json_fuzzer`, use `cargo add json_fuzzer` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/tests.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 item.chars().map(|ch| Ok::<_, Infallible>(ch)),
[INFO] [stdout]    |                 ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `json_fuzzer`
[INFO] [stdout]    --> src/tests.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let fuzz = json_fuzzer::fuzz();
[INFO] [stdout]     |                    ^^^^^^^^^^^ use of unresolved module or unlinked crate `json_fuzzer`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `json_fuzzer`, use `cargo add json_fuzzer` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/tests.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 item.chars().map(|ch| Ok::<_, Infallible>(ch)),
[INFO] [stdout]     |                 ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `streaming_serde_json` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c7865f42370eb3c6864942eaa9fc93a6f81a107b284c12ae3d64b0ac841b0513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7865f42370eb3c6864942eaa9fc93a6f81a107b284c12ae3d64b0ac841b0513", kill_on_drop: false }`
[INFO] [stdout] c7865f42370eb3c6864942eaa9fc93a6f81a107b284c12ae3d64b0ac841b0513