[INFO] fetching crate let-engine 0.10.0...
[INFO] checking let-engine-0.10.0 against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] extracting crate let-engine 0.10.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate let-engine 0.10.0 on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate let-engine 0.10.0
[INFO] finished tweaking crates.io crate let-engine 0.10.0
[INFO] tweaked toml for crates.io crate let-engine 0.10.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate let-engine 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aad54709cd0a91490ebe48cf3632780335f2ade3c689d48b25fe923cbac5c93
[INFO] running `Command { std: "docker" "start" "-a" "1aad54709cd0a91490ebe48cf3632780335f2ade3c689d48b25fe923cbac5c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aad54709cd0a91490ebe48cf3632780335f2ade3c689d48b25fe923cbac5c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aad54709cd0a91490ebe48cf3632780335f2ade3c689d48b25fe923cbac5c93", kill_on_drop: false }`
[INFO] [stdout] 1aad54709cd0a91490ebe48cf3632780335f2ade3c689d48b25fe923cbac5c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1ad02492620f1609e0f3c3b1a0ef4632d12820c18dd97da3bf5e89b2a274fc
[INFO] running `Command { std: "docker" "start" "-a" "5c1ad02492620f1609e0f3c3b1a0ef4632d12820c18dd97da3bf5e89b2a274fc", kill_on_drop: false }`
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[INFO] [stderr]     Checking let-engine v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `surface` is never read
[INFO] [stdout]   --> src/draw.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Draw {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 33 |     pub surface: Arc<Surface>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `surface` is never read
[INFO] [stdout]   --> src/draw.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Draw {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 33 |     pub surface: Arc<Surface>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.27s
[INFO] running `Command { std: "docker" "inspect" "5c1ad02492620f1609e0f3c3b1a0ef4632d12820c18dd97da3bf5e89b2a274fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1ad02492620f1609e0f3c3b1a0ef4632d12820c18dd97da3bf5e89b2a274fc", kill_on_drop: false }`
[INFO] [stdout] 5c1ad02492620f1609e0f3c3b1a0ef4632d12820c18dd97da3bf5e89b2a274fc