[INFO] fetching crate homoglyph-core 0.1.0...
[INFO] checking homoglyph-core-0.1.0 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate homoglyph-core 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate homoglyph-core 0.1.0 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate homoglyph-core 0.1.0
[INFO] finished tweaking crates.io crate homoglyph-core 0.1.0
[INFO] tweaked toml for crates.io crate homoglyph-core 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding num v0.2.1 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.2.4 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutator v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecbe620916598679e6ca75eae57f158d5d94ec2568faadb47eddbe8077d66bda
[INFO] running `Command { std: "docker" "start" "-a" "ecbe620916598679e6ca75eae57f158d5d94ec2568faadb47eddbe8077d66bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecbe620916598679e6ca75eae57f158d5d94ec2568faadb47eddbe8077d66bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbe620916598679e6ca75eae57f158d5d94ec2568faadb47eddbe8077d66bda", kill_on_drop: false }`
[INFO] [stdout] ecbe620916598679e6ca75eae57f158d5d94ec2568faadb47eddbe8077d66bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da963ea0124f216a2d1d38a2d577234b80f1301115a8be8577deb78f97998e21
[INFO] running `Command { std: "docker" "start" "-a" "da963ea0124f216a2d1d38a2d577234b80f1301115a8be8577deb78f97998e21", kill_on_drop: false }`
[INFO] [stderr]     Checking permutator v0.4.3
[INFO] [stderr]     Checking homoglyph-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/domain.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |             for permutation in cart_take.next() {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to iterate over `cart_take` remove the call to `next`
[INFO] [stdout]    |
[INFO] [stdout] 61 |             for permutation in cart_take.by_ref() {
[INFO] [stdout]    |                                         ~~~~~~~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 61 |             if let Some(permutation) = cart_take.next() {
[INFO] [stdout]    |             ~~~~~~~~~~~~           ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/domain.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |             for permutation in cart_take.next() {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to iterate over `cart_take` remove the call to `next`
[INFO] [stdout]    |
[INFO] [stdout] 61 |             for permutation in cart_take.by_ref() {
[INFO] [stdout]    |                                         ~~~~~~~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 61 |             if let Some(permutation) = cart_take.next() {
[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 0.62s
[INFO] running `Command { std: "docker" "inspect" "da963ea0124f216a2d1d38a2d577234b80f1301115a8be8577deb78f97998e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da963ea0124f216a2d1d38a2d577234b80f1301115a8be8577deb78f97998e21", kill_on_drop: false }`
[INFO] [stdout] da963ea0124f216a2d1d38a2d577234b80f1301115a8be8577deb78f97998e21