[INFO] fetching crate pepper 0.10.6...
[INFO] checking pepper-0.10.6 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate pepper 0.10.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pepper 0.10.6 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pepper 0.10.6
[INFO] finished tweaking crates.io crate pepper 0.10.6
[INFO] tweaked toml for crates.io crate pepper 0.10.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate pepper 0.10.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 368a25ba7c18afbe3fa55bb220660395edd502fe68de8bd3c603b50536d212f0
[INFO] running `Command { std: "docker" "start" "-a" "368a25ba7c18afbe3fa55bb220660395edd502fe68de8bd3c603b50536d212f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "368a25ba7c18afbe3fa55bb220660395edd502fe68de8bd3c603b50536d212f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368a25ba7c18afbe3fa55bb220660395edd502fe68de8bd3c603b50536d212f0", kill_on_drop: false }`
[INFO] [stdout] 368a25ba7c18afbe3fa55bb220660395edd502fe68de8bd3c603b50536d212f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a64bfd7a3d6fe7f971767e96a5b75d7427e9e8af6190fe242674fe0c75af43a0
[INFO] running `Command { std: "docker" "start" "-a" "a64bfd7a3d6fe7f971767e96a5b75d7427e9e8af6190fe242674fe0c75af43a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking pepper v0.10.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `declaration_provider`
[INFO] [stdout]    --> src/lsp/client.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     declaration_provider: GenericCapability,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `implementation_provider`
[INFO] [stdout]    --> src/lsp/client.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     implementation_provider: GenericCapability,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `word_database`
[INFO] [stdout]    --> src/buffer_view.rs:592:9
[INFO] [stdout]     |
[INFO] [stdout] 592 |         pub word_database: WordDatabase,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `events`
[INFO] [stdout]    --> src/buffer_view.rs:593:9
[INFO] [stdout]     |
[INFO] [stdout] 593 |         pub events: EditorEventQueue,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `declaration_provider`
[INFO] [stdout]    --> src/lsp/client.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     declaration_provider: GenericCapability,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `implementation_provider`
[INFO] [stdout]    --> src/lsp/client.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     implementation_provider: GenericCapability,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "a64bfd7a3d6fe7f971767e96a5b75d7427e9e8af6190fe242674fe0c75af43a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64bfd7a3d6fe7f971767e96a5b75d7427e9e8af6190fe242674fe0c75af43a0", kill_on_drop: false }`
[INFO] [stdout] a64bfd7a3d6fe7f971767e96a5b75d7427e9e8af6190fe242674fe0c75af43a0