[INFO] fetching crate captcha_oxide_derive 5.0.0...
[INFO] checking captcha_oxide_derive-5.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate captcha_oxide_derive 5.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate captcha_oxide_derive 5.0.0 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 captcha_oxide_derive 5.0.0
[INFO] finished tweaking crates.io crate captcha_oxide_derive 5.0.0
[INFO] tweaked toml for crates.io crate captcha_oxide_derive 5.0.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (available: v3.2.0)
[INFO] [stderr]       Adding strsim v0.10.0 (available: v0.11.1)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71188cdbe3041b6de9a736e524778639231b8e2d0cc0ad59ba39ad03728c9cec
[INFO] running `Command { std: "docker" "start" "-a" "71188cdbe3041b6de9a736e524778639231b8e2d0cc0ad59ba39ad03728c9cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71188cdbe3041b6de9a736e524778639231b8e2d0cc0ad59ba39ad03728c9cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71188cdbe3041b6de9a736e524778639231b8e2d0cc0ad59ba39ad03728c9cec", kill_on_drop: false }`
[INFO] [stdout] 71188cdbe3041b6de9a736e524778639231b8e2d0cc0ad59ba39ad03728c9cec
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b28a59ff8cf8814fe283225b5af4c9e2682377dd4e57aea138c2d92e3006ddb
[INFO] running `Command { std: "docker" "start" "-a" "7b28a59ff8cf8814fe283225b5af4c9e2682377dd4e57aea138c2d92e3006ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking deluxe-core v0.5.0
[INFO] [stderr]     Checking darling_core v0.20.10
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling deluxe-macros v0.5.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking darling v0.20.10
[INFO] [stderr]     Checking deluxe v0.5.0
[INFO] [stderr]     Checking captcha_oxide_derive v5.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `attr` is never read
[INFO] [stdout]   --> src/expansion/derive_captcha_task/mod.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct FieldAttr {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub attr: TaskFieldAttribute,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FieldAttr` has a derived impl for the trait `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attr` is never read
[INFO] [stdout]   --> src/expansion/derive_captcha_task/mod.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct FieldAttr {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub attr: TaskFieldAttribute,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FieldAttr` has a derived impl for the trait `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.87s
[INFO] running `Command { std: "docker" "inspect" "7b28a59ff8cf8814fe283225b5af4c9e2682377dd4e57aea138c2d92e3006ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b28a59ff8cf8814fe283225b5af4c9e2682377dd4e57aea138c2d92e3006ddb", kill_on_drop: false }`
[INFO] [stdout] 7b28a59ff8cf8814fe283225b5af4c9e2682377dd4e57aea138c2d92e3006ddb