[INFO] fetching crate idkthings_core 0.1.1...
[INFO] checking idkthings_core-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate idkthings_core 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate idkthings_core 0.1.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate idkthings_core 0.1.1
[INFO] finished tweaking crates.io crate idkthings_core 0.1.1
[INFO] tweaked toml for crates.io crate idkthings_core 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f25a166253b56823404783747c20581e3a7cc646798e76e7eb02919fe7a33ce8
[INFO] running `Command { std: "docker" "start" "-a" "f25a166253b56823404783747c20581e3a7cc646798e76e7eb02919fe7a33ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f25a166253b56823404783747c20581e3a7cc646798e76e7eb02919fe7a33ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25a166253b56823404783747c20581e3a7cc646798e76e7eb02919fe7a33ce8", kill_on_drop: false }`
[INFO] [stdout] f25a166253b56823404783747c20581e3a7cc646798e76e7eb02919fe7a33ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28cbc918ce271015682b2676ce67f571589c9011618f0c2abc491668e734ca6d
[INFO] running `Command { std: "docker" "start" "-a" "28cbc918ce271015682b2676ce67f571589c9011618f0c2abc491668e734ca6d", kill_on_drop: false }`
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[INFO] [stdout] warning: field `pg_pool` is never read
[INFO] [stdout]   --> src/auth/maybe_current_user_middleware.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MaybeCurrentUserMiddlewareImpl<E> {
[INFO] [stdout]    |            ------------------------------ field in this struct
[INFO] [stdout] 23 |     ep: E,
[INFO] [stdout] 24 |     pg_pool: PgPool,
[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 `pg_pool` is never read
[INFO] [stdout]   --> src/auth/maybe_current_user_middleware.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MaybeCurrentUserMiddlewareImpl<E> {
[INFO] [stdout]    |            ------------------------------ field in this struct
[INFO] [stdout] 23 |     ep: E,
[INFO] [stdout] 24 |     pg_pool: PgPool,
[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` profile [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "28cbc918ce271015682b2676ce67f571589c9011618f0c2abc491668e734ca6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cbc918ce271015682b2676ce67f571589c9011618f0c2abc491668e734ca6d", kill_on_drop: false }`
[INFO] [stdout] 28cbc918ce271015682b2676ce67f571589c9011618f0c2abc491668e734ca6d