[INFO] fetching crate serde-lsp 0.0.1...
[INFO] testing serde-lsp-0.0.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate serde-lsp 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate serde-lsp 0.0.1
[INFO] finished tweaking crates.io crate serde-lsp 0.0.1
[INFO] tweaked toml for crates.io crate serde-lsp 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-lsp 0.0.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b0fedd08f6e3958c0131fd2ee01812b6ff5cede284e635612930f81614a288f
[INFO] running `Command { std: "docker" "start" "-a" "8b0fedd08f6e3958c0131fd2ee01812b6ff5cede284e635612930f81614a288f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b0fedd08f6e3958c0131fd2ee01812b6ff5cede284e635612930f81614a288f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0fedd08f6e3958c0131fd2ee01812b6ff5cede284e635612930f81614a288f", kill_on_drop: false }`
[INFO] [stdout] 8b0fedd08f6e3958c0131fd2ee01812b6ff5cede284e635612930f81614a288f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c44a3ec8c065b0a843d4f500743fc0dc839d47f56ba29472b138a2b9d09d3ab7
[INFO] running `Command { std: "docker" "start" "-a" "c44a3ec8c065b0a843d4f500743fc0dc839d47f56ba29472b138a2b9d09d3ab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde-lsp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `__private` in `serde`
[INFO] [stdout]  --> src/dap/variables_arguments.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     __private::de::Content,
[INFO] [stdout]   |     ^^^^^^^^^ could not find `__private` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde-lsp` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c44a3ec8c065b0a843d4f500743fc0dc839d47f56ba29472b138a2b9d09d3ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44a3ec8c065b0a843d4f500743fc0dc839d47f56ba29472b138a2b9d09d3ab7", kill_on_drop: false }`
[INFO] [stdout] c44a3ec8c065b0a843d4f500743fc0dc839d47f56ba29472b138a2b9d09d3ab7