[INFO] fetching crate deserter 0.1.4...
[INFO] checking deserter-0.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate deserter 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate deserter 0.1.4 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 deserter 0.1.4
[INFO] finished tweaking crates.io crate deserter 0.1.4
[INFO] tweaked toml for crates.io crate deserter 0.1.4 written to /workspace/builds/worker-3-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 }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8fbd87ea033994f1a406dc80c52c279ab9c0ac24aee90b31ce4cab129919a29d
[INFO] running `Command { std: "docker" "start" "-a" "8fbd87ea033994f1a406dc80c52c279ab9c0ac24aee90b31ce4cab129919a29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fbd87ea033994f1a406dc80c52c279ab9c0ac24aee90b31ce4cab129919a29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbd87ea033994f1a406dc80c52c279ab9c0ac24aee90b31ce4cab129919a29d", kill_on_drop: false }`
[INFO] [stdout] 8fbd87ea033994f1a406dc80c52c279ab9c0ac24aee90b31ce4cab129919a29d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 94ce9a7be0df2cf322fe08a5105f5c0db0b1c4450128cf475203a9764bb1029e
[INFO] running `Command { std: "docker" "start" "-a" "94ce9a7be0df2cf322fe08a5105f5c0db0b1c4450128cf475203a9764bb1029e", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking send_wrapper v0.6.0
[INFO] [stderr]     Checking deserter v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `john`
[INFO] [stdout]   --> tests/tests.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let john = load!(
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_john`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `digits` is never read
[INFO] [stdout]  --> tests/tests.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     struct ZipCode {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 7 |         digits: u32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `house`, `street`, `city`, and `zip_code` are never read
[INFO] [stdout]   --> tests/tests.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     struct Address {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 12 |         house: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 13 |         street: &'static str,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |         city: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 15 |         zip_code: ZipCode,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `address` are never read
[INFO] [stdout]   --> tests/tests.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     struct Person {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 20 |         name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |         age: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 22 |         address: Address,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "94ce9a7be0df2cf322fe08a5105f5c0db0b1c4450128cf475203a9764bb1029e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ce9a7be0df2cf322fe08a5105f5c0db0b1c4450128cf475203a9764bb1029e", kill_on_drop: false }`
[INFO] [stdout] 94ce9a7be0df2cf322fe08a5105f5c0db0b1c4450128cf475203a9764bb1029e