[INFO] fetching crate configuru 0.1.1...
[INFO] checking configuru-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate configuru 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate configuru 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 configuru 0.1.1
[INFO] finished tweaking crates.io crate configuru 0.1.1
[INFO] tweaked toml for crates.io crate configuru 0.1.1 written to /workspace/builds/worker-7-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 15 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7537e81dd7744da9945fbf07fe9f911b13e284cc3eb6a0df48f21d7457278ac4
[INFO] running `Command { std: "docker" "start" "-a" "7537e81dd7744da9945fbf07fe9f911b13e284cc3eb6a0df48f21d7457278ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7537e81dd7744da9945fbf07fe9f911b13e284cc3eb6a0df48f21d7457278ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7537e81dd7744da9945fbf07fe9f911b13e284cc3eb6a0df48f21d7457278ac4", kill_on_drop: false }`
[INFO] [stdout] 7537e81dd7744da9945fbf07fe9f911b13e284cc3eb6a0df48f21d7457278ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d487b2b3d9c7b11a8b27e20cd7d6ff993f600335510a111e871325ea67b0b1e7
[INFO] running `Command { std: "docker" "start" "-a" "d487b2b3d9c7b11a8b27e20cd7d6ff993f600335510a111e871325ea67b0b1e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking configuru v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `email` and `age` are never read
[INFO] [stdout]   --> tests/test.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 8  |     struct Customer {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 9  |         email: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |         age: i64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Customer` 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 `port`, `host`, and `customer` are never read
[INFO] [stdout]   --> tests/test.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 15 |         port: i64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |         host: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 17 |         password: Hidden<String>,
[INFO] [stdout] 18 |         customer: Customer,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `url` is never read
[INFO] [stdout]   --> tests/test.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |       struct WrongConfig {
[INFO] [stdout]    |              ----------- field in this struct
[INFO] [stdout] 60 |         url: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WrongConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "d487b2b3d9c7b11a8b27e20cd7d6ff993f600335510a111e871325ea67b0b1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d487b2b3d9c7b11a8b27e20cd7d6ff993f600335510a111e871325ea67b0b1e7", kill_on_drop: false }`
[INFO] [stdout] d487b2b3d9c7b11a8b27e20cd7d6ff993f600335510a111e871325ea67b0b1e7