[INFO] fetching crate redis_regular_expression_module 0.4.1...
[INFO] testing redis_regular_expression_module-0.4.1 against 1.99.0-beta.8 for beta-1.100-4
[INFO] extracting crate redis_regular_expression_module 0.4.1 into /workspace/builds/worker-6-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate redis_regular_expression_module 0.4.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 125 packages to highest compatible versions
[INFO] [stderr]       Adding redis v0.20.2 (available: v1.7.1)
[INFO] [stderr]       Adding redis-module v0.20.0 (available: v2.0.8)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded nom v5.1.3
[INFO] [stderr]   Downloaded redis v0.20.2
[INFO] [stderr]   Downloaded bindgen v0.58.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83
[INFO] running `Command { std: "docker" "start" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling redis_regular_expression_module v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.03s
[INFO] running `Command { std: "docker" "inspect" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling 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 `test` profile [unoptimized + debuginfo] target(s) in 40.64s
[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 6`
[INFO] running `Command { std: "docker" "inspect" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stderr]   --> tests/lib.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |         'outer: for module in result {
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]    |
[INFO] [stderr] 28 -         'outer: for module in result {
[INFO] [stderr] 28 +         while let Ok(module) = result {
[INFO] [stderr]    |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]    |
[INFO] [stderr] 28 -         'outer: for module in result {
[INFO] [stderr] 28 +         if let Ok(module) = result {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `redis_regular_expression_module` (test "lib") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[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 6`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/redis_regular_expression_module-fe4d285de4ce2ccf)
[INFO] [stderr] panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/redis-module-0.20.0/src/alloc.rs:11:32:
[INFO] [stderr] called `Option::unwrap()` on a `None` value
[INFO] [stderr] thread panicked while processing panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/redis_regular_expression_module-fe4d285de4ce2ccf` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83", kill_on_drop: false }`
[INFO] [stdout] 17acc5ff3a6d12af600e26ff0e84b69256f9e8dfb106671d1699a9d20a89ff83