[INFO] fetching crate target-gen 0.12.0...
[INFO] checking target-gen-0.12.0 against master#9cf699d2ff4ff23a6d6862a35727f4d5d3567dae for pr-98456-1
[INFO] extracting crate target-gen 0.12.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate target-gen 0.12.0 on toolchain 9cf699d2ff4ff23a6d6862a35727f4d5d3567dae
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate target-gen 0.12.0
[INFO] finished tweaking crates.io crate target-gen 0.12.0
[INFO] tweaked toml for crates.io crate target-gen 0.12.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate target-gen 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb252f2e4c147ae9d7be50ef05ecd7b49d0ba8c361060f94cb4a8b4591ec3f98
[INFO] running `Command { std: "docker" "start" "-a" "fb252f2e4c147ae9d7be50ef05ecd7b49d0ba8c361060f94cb4a8b4591ec3f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb252f2e4c147ae9d7be50ef05ecd7b49d0ba8c361060f94cb4a8b4591ec3f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb252f2e4c147ae9d7be50ef05ecd7b49d0ba8c361060f94cb4a8b4591ec3f98", kill_on_drop: false }`
[INFO] [stdout] fb252f2e4c147ae9d7be50ef05ecd7b49d0ba8c361060f94cb4a8b4591ec3f98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9cf699d2ff4ff23a6d6862a35727f4d5d3567dae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8a7e98dfa9ea589cf2485d63f4933ab8b59e4ffdbe8dc331faf31543b3f35b7f", kill_on_drop: false }`
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[INFO] [stderr]     Checking target-gen v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `driver_version` and `typ` are never read
[INFO] [stdout]   --> src/flash_device.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub(crate) struct FlashDevice {
[INFO] [stdout]    |                   ----------- fields in this struct
[INFO] [stdout] 37 |     /// The flash algorithm version.
[INFO] [stdout] 38 |     pub(crate) driver_version: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub(crate) typ: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `FlashDevice` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `driver_version` and `typ` are never read
[INFO] [stdout]   --> src/flash_device.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub(crate) struct FlashDevice {
[INFO] [stdout]    |                   ----------- fields in this struct
[INFO] [stdout] 37 |     /// The flash algorithm version.
[INFO] [stdout] 38 |     pub(crate) driver_version: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub(crate) typ: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `FlashDevice` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "8a7e98dfa9ea589cf2485d63f4933ab8b59e4ffdbe8dc331faf31543b3f35b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7e98dfa9ea589cf2485d63f4933ab8b59e4ffdbe8dc331faf31543b3f35b7f", kill_on_drop: false }`
[INFO] [stdout] 8a7e98dfa9ea589cf2485d63f4933ab8b59e4ffdbe8dc331faf31543b3f35b7f