[INFO] fetching crate redis_regular_expression_module 0.4.1...
[INFO] checking redis_regular_expression_module-0.4.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate redis_regular_expression_module 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate redis_regular_expression_module 0.4.1 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 redis_regular_expression_module 0.4.1
[INFO] finished tweaking crates.io crate redis_regular_expression_module 0.4.1
[INFO] tweaked toml for crates.io crate redis_regular_expression_module 0.4.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 99 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.58.1 (available: v0.70.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding cexpr v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding dtoa v0.4.8 (available: v1.0.9)
[INFO] [stderr]       Adding enum-primitive-derive v0.1.2 (available: v0.3.0)
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[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
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[INFO] [stderr]       Adding itoa v0.4.8 (available: v1.0.11)
[INFO] [stderr]       Adding nom v5.1.3 (available: v7.1.3)
[INFO] [stderr]       Adding num-traits v0.1.43 (available: v0.2.19)
[INFO] [stderr]       Adding peeking_take_while v0.1.2 (available: v1.0.0)
[INFO] [stderr]       Adding quote v0.3.15 (available: v1.0.37)
[INFO] [stderr]       Adding redis v0.20.2 (available: v0.27.2)
[INFO] [stderr]       Adding redis-module v0.20.0 (available: v2.0.7)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding sha1 v0.6.1 (available: v0.10.6)
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[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
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[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.10.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding which v3.1.1 (available: v6.0.3)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 43dcbcba230d2331907039fcbf5b59134d04ab9ae9b4c10182d5b1ab4c37cf0b
[INFO] running `Command { std: "docker" "start" "-a" "43dcbcba230d2331907039fcbf5b59134d04ab9ae9b4c10182d5b1ab4c37cf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43dcbcba230d2331907039fcbf5b59134d04ab9ae9b4c10182d5b1ab4c37cf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43dcbcba230d2331907039fcbf5b59134d04ab9ae9b4c10182d5b1ab4c37cf0b", kill_on_drop: false }`
[INFO] [stdout] 43dcbcba230d2331907039fcbf5b59134d04ab9ae9b4c10182d5b1ab4c37cf0b
[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] 1835af13f1f2a41f185ab89e9bc812d7b55a2440266afd9e6b554d300b872c7f
[INFO] running `Command { std: "docker" "start" "-a" "1835af13f1f2a41f185ab89e9bc812d7b55a2440266afd9e6b554d300b872c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling memchr v2.7.4
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[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking redis v0.20.2
[INFO] [stderr]    Compiling redis-module v0.20.0
[INFO] [stderr]     Checking redis_regular_expression_module v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> tests/lib.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |         'outer: for module in result {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 28 |         while let Ok(module) = result {
[INFO] [stdout]    |         ~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 28 |         if let Ok(module) = result {
[INFO] [stdout]    |         ~~~~~~~~~~      ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.20.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1835af13f1f2a41f185ab89e9bc812d7b55a2440266afd9e6b554d300b872c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1835af13f1f2a41f185ab89e9bc812d7b55a2440266afd9e6b554d300b872c7f", kill_on_drop: false }`
[INFO] [stdout] 1835af13f1f2a41f185ab89e9bc812d7b55a2440266afd9e6b554d300b872c7f