[INFO] fetching crate deserter 0.1.4...
[INFO] checking deserter-0.1.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate deserter 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate deserter 0.1.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 140a63defba27dceef1e190e3e8a49feb863070dc8f79c5df0638848e06d911d
[INFO] running `Command { std: "docker" "start" "-a" "140a63defba27dceef1e190e3e8a49feb863070dc8f79c5df0638848e06d911d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "140a63defba27dceef1e190e3e8a49feb863070dc8f79c5df0638848e06d911d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140a63defba27dceef1e190e3e8a49feb863070dc8f79c5df0638848e06d911d", kill_on_drop: false }`
[INFO] [stdout] 140a63defba27dceef1e190e3e8a49feb863070dc8f79c5df0638848e06d911d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1ef2b25fe8b525d58c6a781ac0965c66d69f808db683e7b9e46b43f0ecff3ff
[INFO] running `Command { std: "docker" "start" "-a" "b1ef2b25fe8b525d58c6a781ac0965c66d69f808db683e7b9e46b43f0ecff3ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]     Checking send_wrapper v0.6.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.79
[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 3.47s
[INFO] running `Command { std: "docker" "inspect" "b1ef2b25fe8b525d58c6a781ac0965c66d69f808db683e7b9e46b43f0ecff3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ef2b25fe8b525d58c6a781ac0965c66d69f808db683e7b9e46b43f0ecff3ff", kill_on_drop: false }`
[INFO] [stdout] b1ef2b25fe8b525d58c6a781ac0965c66d69f808db683e7b9e46b43f0ecff3ff