[INFO] fetching crate serde-lsp 0.0.1...
[INFO] testing serde-lsp-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate serde-lsp 0.0.1 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-lsp 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d578d0e3408f2dbde9984211d0da32514ae1f701ebc4312bf8e5b53bc561549
[INFO] running `Command { std: "docker" "start" "-a" "2d578d0e3408f2dbde9984211d0da32514ae1f701ebc4312bf8e5b53bc561549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d578d0e3408f2dbde9984211d0da32514ae1f701ebc4312bf8e5b53bc561549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d578d0e3408f2dbde9984211d0da32514ae1f701ebc4312bf8e5b53bc561549", kill_on_drop: false }`
[INFO] [stdout] 2d578d0e3408f2dbde9984211d0da32514ae1f701ebc4312bf8e5b53bc561549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cbb4c4c3f0cd12eb9b51b50f1fa399108b9f3c86ace81dcd59b5fbabc6a96a5
[INFO] running `Command { std: "docker" "start" "-a" "3cbb4c4c3f0cd12eb9b51b50f1fa399108b9f3c86ace81dcd59b5fbabc6a96a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde_json v1.0.149
[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-lsp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot 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" "3cbb4c4c3f0cd12eb9b51b50f1fa399108b9f3c86ace81dcd59b5fbabc6a96a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbb4c4c3f0cd12eb9b51b50f1fa399108b9f3c86ace81dcd59b5fbabc6a96a5", kill_on_drop: false }`
[INFO] [stdout] 3cbb4c4c3f0cd12eb9b51b50f1fa399108b9f3c86ace81dcd59b5fbabc6a96a5