[INFO] fetching crate exocore-store 0.1.9...
[INFO] checking exocore-store-0.1.9 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate exocore-store 0.1.9 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate exocore-store 0.1.9 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 exocore-store 0.1.9
[INFO] finished tweaking crates.io crate exocore-store 0.1.9
[INFO] tweaked toml for crates.io crate exocore-store 0.1.9 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 30917e7e094cc82f43b617c83d0e189084d183f86df81d876f696f4e7b491c89
[INFO] running `Command { std: "docker" "start" "-a" "30917e7e094cc82f43b617c83d0e189084d183f86df81d876f696f4e7b491c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30917e7e094cc82f43b617c83d0e189084d183f86df81d876f696f4e7b491c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30917e7e094cc82f43b617c83d0e189084d183f86df81d876f696f4e7b491c89", kill_on_drop: false }`
[INFO] [stdout] 30917e7e094cc82f43b617c83d0e189084d183f86df81d876f696f4e7b491c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 82281aa6f0cbd43c13ed1bb57ea6d0e828e31ab64c76d3bf457a58446bfda62a
[INFO] running `Command { std: "docker" "start" "-a" "82281aa6f0cbd43c13ed1bb57ea6d0e828e31ab64c76d3bf457a58446bfda62a", kill_on_drop: false }`
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[INFO] [stderr]     Checking exocore-store v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]   --> src/local/mutation_index/schema.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub config: MutationIndexConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]   --> src/local/mutation_index/schema.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub config: MutationIndexConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "82281aa6f0cbd43c13ed1bb57ea6d0e828e31ab64c76d3bf457a58446bfda62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82281aa6f0cbd43c13ed1bb57ea6d0e828e31ab64c76d3bf457a58446bfda62a", kill_on_drop: false }`
[INFO] [stdout] 82281aa6f0cbd43c13ed1bb57ea6d0e828e31ab64c76d3bf457a58446bfda62a