[INFO] fetching crate pepper 0.10.6...
[INFO] checking pepper-0.10.6 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate pepper 0.10.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pepper 0.10.6 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-0/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc16b5600236365ea64894d0fad7845e6122fb694fe0e2bf6ef032318c8081d1
[INFO] running `Command { std: "docker" "start" "-a" "fc16b5600236365ea64894d0fad7845e6122fb694fe0e2bf6ef032318c8081d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc16b5600236365ea64894d0fad7845e6122fb694fe0e2bf6ef032318c8081d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc16b5600236365ea64894d0fad7845e6122fb694fe0e2bf6ef032318c8081d1", kill_on_drop: false }`
[INFO] [stdout] fc16b5600236365ea64894d0fad7845e6122fb694fe0e2bf6ef032318c8081d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f62ef9673986f9feaf2025f4ff9ba7c6ceda3011dbf2ba12b40062d08de22a14
[INFO] running `Command { std: "docker" "start" "-a" "f62ef9673986f9feaf2025f4ff9ba7c6ceda3011dbf2ba12b40062d08de22a14", 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 6.43s
[INFO] running `Command { std: "docker" "inspect" "f62ef9673986f9feaf2025f4ff9ba7c6ceda3011dbf2ba12b40062d08de22a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62ef9673986f9feaf2025f4ff9ba7c6ceda3011dbf2ba12b40062d08de22a14", kill_on_drop: false }`
[INFO] [stdout] f62ef9673986f9feaf2025f4ff9ba7c6ceda3011dbf2ba12b40062d08de22a14