[INFO] fetching crate assemble-build 0.2.0...
[INFO] checking assemble-build-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate assemble-build 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate assemble-build 0.2.0 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 assemble-build 0.2.0
[INFO] finished tweaking crates.io crate assemble-build 0.2.0
[INFO] tweaked toml for crates.io crate assemble-build 0.2.0 written to /workspace/builds/worker-1-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 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94f9c0c0332ee64ac492dda2d9b487bd554131f953049b0c749822d77a228d7c
[INFO] running `Command { std: "docker" "start" "-a" "94f9c0c0332ee64ac492dda2d9b487bd554131f953049b0c749822d77a228d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94f9c0c0332ee64ac492dda2d9b487bd554131f953049b0c749822d77a228d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f9c0c0332ee64ac492dda2d9b487bd554131f953049b0c749822d77a228d7c", kill_on_drop: false }`
[INFO] [stdout] 94f9c0c0332ee64ac492dda2d9b487bd554131f953049b0c749822d77a228d7c
[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 -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] 80c5aec0631a2e63ab4e58ddf690da75def17e6d8ca619109beb57897fce4e1d
[INFO] running `Command { std: "docker" "start" "-a" "80c5aec0631a2e63ab4e58ddf690da75def17e6d8ca619109beb57897fce4e1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking assemble-build v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `module`, `identifier`, `sig`, and `meta` are never read
[INFO] [stdout]   --> src/plugin_function.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct PluginFunction {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 9  |     module: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     identifier: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     sig: Signature,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     meta: PluginFunctionMetadata,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PluginFunction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `module`, `identifier`, `sig`, and `meta` are never read
[INFO] [stdout]   --> src/plugin_function.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct PluginFunction {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 9  |     module: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     identifier: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     sig: Signature,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     meta: PluginFunctionMetadata,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PluginFunction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/plugin_function.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Assignment {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 27 |     id: Ident,
[INFO] [stdout] 28 |     eq: Token![=],
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/plugin_function.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Assignment {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 27 |     id: Ident,
[INFO] [stdout] 28 |     eq: Token![=],
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "80c5aec0631a2e63ab4e58ddf690da75def17e6d8ca619109beb57897fce4e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c5aec0631a2e63ab4e58ddf690da75def17e6d8ca619109beb57897fce4e1d", kill_on_drop: false }`
[INFO] [stdout] 80c5aec0631a2e63ab4e58ddf690da75def17e6d8ca619109beb57897fce4e1d