[INFO] fetching crate redis_regular_expression_module 0.4.1...
[INFO] checking redis_regular_expression_module-0.4.1 against try#6cbf54b1453b438241487f195740266bb9d8c8ba for pr-139587-2
[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 6cbf54b1453b438241487f195740266bb9d8c8ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "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" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 127 packages to latest compatible versions
[INFO] [stderr]       Adding redis v0.20.2 (available: v0.30.0)
[INFO] [stderr]       Adding redis-module v0.20.0 (available: v2.0.7)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.16.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 559fdcc2f9068d9c983f596d3c48ea5e400b0896dd9147e9a99ff25fc4e76fab
[INFO] running `Command { std: "docker" "start" "-a" "559fdcc2f9068d9c983f596d3c48ea5e400b0896dd9147e9a99ff25fc4e76fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "559fdcc2f9068d9c983f596d3c48ea5e400b0896dd9147e9a99ff25fc4e76fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559fdcc2f9068d9c983f596d3c48ea5e400b0896dd9147e9a99ff25fc4e76fab", kill_on_drop: false }`
[INFO] [stdout] 559fdcc2f9068d9c983f596d3c48ea5e400b0896dd9147e9a99ff25fc4e76fab
[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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0ecb99e062f30c9f2ee6ad6d5f3ea057e7fe1263dab526296196aae7fa59667
[INFO] running `Command { std: "docker" "start" "-a" "f0ecb99e062f30c9f2ee6ad6d5f3ea057e7fe1263dab526296196aae7fa59667", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
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[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking combine v4.6.7
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[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking zerofrom v0.1.6
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[INFO] [stderr]    Compiling redis-module v0.20.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking redis v0.20.2
[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 -         'outer: for module in result {
[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 -         'outer: for module in result {
[INFO] [stdout] 28 +         if let Ok(module) = result {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.54s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "f0ecb99e062f30c9f2ee6ad6d5f3ea057e7fe1263dab526296196aae7fa59667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ecb99e062f30c9f2ee6ad6d5f3ea057e7fe1263dab526296196aae7fa59667", kill_on_drop: false }`
[INFO] [stdout] f0ecb99e062f30c9f2ee6ad6d5f3ea057e7fe1263dab526296196aae7fa59667