[INFO] fetching crate derive-visitor 0.4.0...
[INFO] testing derive-visitor-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate derive-visitor 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate derive-visitor 0.4.0
[INFO] finished tweaking crates.io crate derive-visitor 0.4.0
[INFO] tweaked toml for crates.io crate derive-visitor 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive-visitor 0.4.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2caa5c51d1e37d3b8f3af514a0b1b4d083c5328cc346ca0ad787358f2e6563a6
[INFO] running `Command { std: "docker" "start" "-a" "2caa5c51d1e37d3b8f3af514a0b1b4d083c5328cc346ca0ad787358f2e6563a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2caa5c51d1e37d3b8f3af514a0b1b4d083c5328cc346ca0ad787358f2e6563a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2caa5c51d1e37d3b8f3af514a0b1b4d083c5328cc346ca0ad787358f2e6563a6", kill_on_drop: false }`
[INFO] [stdout] 2caa5c51d1e37d3b8f3af514a0b1b4d083c5328cc346ca0ad787358f2e6563a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6086a84066a1b7532a4ebfe3074a0786ef40939a0de6a9e5198aaeb6e358fe7f
[INFO] running `Command { std: "docker" "start" "-a" "6086a84066a1b7532a4ebfe3074a0786ef40939a0de6a9e5198aaeb6e358fe7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling derive-visitor-macros v0.4.0
[INFO] [stderr]    Compiling derive-visitor v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:572:1
[INFO] [stdout]     |
[INFO] [stdout] 572 | impl_drive_for_into_iterator! { Option<T> ; T }
[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] 544 -                 for item in self {
[INFO] [stdout] 544 +                 while let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 544 -                 for item in self {
[INFO] [stdout] 544 +                 if let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:572:1
[INFO] [stdout]     |
[INFO] [stdout] 572 | impl_drive_for_into_iterator! { Option<T> ; T }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 while let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 if let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:573:1
[INFO] [stdout]     |
[INFO] [stdout] 573 | impl_drive_for_into_iterator! { Result<T, U> ; T, U }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 544 -                 for item in self {
[INFO] [stdout] 544 +                 while let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 544 -                 for item in self {
[INFO] [stdout] 544 +                 if let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:573:1
[INFO] [stdout]     |
[INFO] [stdout] 573 | impl_drive_for_into_iterator! { Result<T, U> ; T, U }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 while let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 if let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "6086a84066a1b7532a4ebfe3074a0786ef40939a0de6a9e5198aaeb6e358fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6086a84066a1b7532a4ebfe3074a0786ef40939a0de6a9e5198aaeb6e358fe7f", kill_on_drop: false }`
[INFO] [stdout] 6086a84066a1b7532a4ebfe3074a0786ef40939a0de6a9e5198aaeb6e358fe7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e79bd8f97af007b512191682b279d021d8004302ea08e80fac7be5cf2cdbb591
[INFO] running `Command { std: "docker" "start" "-a" "e79bd8f97af007b512191682b279d021d8004302ea08e80fac7be5cf2cdbb591", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive-visitor v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:572:1
[INFO] [stdout]     |
[INFO] [stdout] 572 | impl_drive_for_into_iterator! { Option<T> ; T }
[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] 544 -                 for item in self {
[INFO] [stdout] 544 +                 while let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 544 -                 for item in self {
[INFO] [stdout] 544 +                 if let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:572:1
[INFO] [stdout]     |
[INFO] [stdout] 572 | impl_drive_for_into_iterator! { Option<T> ; T }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 while let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 if let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:573:1
[INFO] [stdout]     |
[INFO] [stdout] 573 | impl_drive_for_into_iterator! { Result<T, U> ; T, U }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 544 -                 for item in self {
[INFO] [stdout] 544 +                 while let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 544 -                 for item in self {
[INFO] [stdout] 544 +                 if let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:573:1
[INFO] [stdout]     |
[INFO] [stdout] 573 | impl_drive_for_into_iterator! { Result<T, U> ; T, U }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 while let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 if let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:572:1
[INFO] [stdout]     |
[INFO] [stdout] 572 | impl_drive_for_into_iterator! { Option<T> ; T }
[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] 544 -                 for item in self {
[INFO] [stdout] 544 +                 while let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 544 -                 for item in self {
[INFO] [stdout] 544 +                 if let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:572:1
[INFO] [stdout]     |
[INFO] [stdout] 572 | impl_drive_for_into_iterator! { Option<T> ; T }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 while let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 if let Some() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:573:1
[INFO] [stdout]     |
[INFO] [stdout] 573 | impl_drive_for_into_iterator! { Result<T, U> ; T, U }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 544 -                 for item in self {
[INFO] [stdout] 544 +                 while let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 544 -                 for item in self {
[INFO] [stdout] 544 +                 if let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:573:1
[INFO] [stdout]     |
[INFO] [stdout] 573 | impl_drive_for_into_iterator! { Result<T, U> ; T, U }
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 while let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 557 -                 for item in self {
[INFO] [stdout] 557 +                 if let Ok() =  in self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "e79bd8f97af007b512191682b279d021d8004302ea08e80fac7be5cf2cdbb591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79bd8f97af007b512191682b279d021d8004302ea08e80fac7be5cf2cdbb591", kill_on_drop: false }`
[INFO] [stdout] e79bd8f97af007b512191682b279d021d8004302ea08e80fac7be5cf2cdbb591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6969e57cdda22caf7b0069214a450be79ae844a2a64873d0a2a92f0ba7dfc6e
[INFO] running `Command { std: "docker" "start" "-a" "f6969e57cdda22caf7b0069214a450be79ae844a2a64873d0a2a92f0ba7dfc6e", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:572:1
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 572 | impl_drive_for_into_iterator! { Option<T> ; T }
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] running 2 tests
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stdout] test test_containers ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test_containers_mut ... ok
[INFO] [stderr] 544 -                 for item in self {
[INFO] [stdout] 
[INFO] [stderr] 544 +                 while let Some() =  in self {
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 0 tests
[INFO] [stderr] 544 -                 for item in self {
[INFO] [stdout] 
[INFO] [stderr] 544 +                 if let Some() =  in self {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/lib.rs:572:1
[INFO] [stderr]     |
[INFO] [stderr] 572 | impl_drive_for_into_iterator! { Option<T> ; T }
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 557 -                 for item in self {
[INFO] [stderr] 557 +                 while let Some() =  in self {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 557 -                 for item in self {
[INFO] [stderr] 557 +                 if let Some() =  in self {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Result`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/lib.rs:573:1
[INFO] [stderr]     |
[INFO] [stderr] 573 | impl_drive_for_into_iterator! { Result<T, U> ; T, U }
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 544 -                 for item in self {
[INFO] [stderr] 544 +                 while let Ok() =  in self {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 544 -                 for item in self {
[INFO] [stderr] 544 +                 if let Ok() =  in self {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&mut Result`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/lib.rs:573:1
[INFO] [stderr]     |
[INFO] [stderr] 573 | impl_drive_for_into_iterator! { Result<T, U> ; T, U }
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 557 -                 for item in self {
[INFO] [stderr] 557 +                 while let Ok() =  in self {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 557 -                 for item in self {
[INFO] [stderr] 557 +                 if let Ok() =  in self {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `derive-visitor` (lib) generated 4 warnings
[INFO] [stderr] warning: `derive-visitor` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/derive_visitor-c8de51f1ffca1491)
[INFO] [stderr]      Running tests/test_containers.rs (/opt/rustwide/target/debug/deps/test_containers-fd4d12a7ee996fd5)
[INFO] [stderr]      Running tests/test_std_types.rs (/opt/rustwide/target/debug/deps/test_std_types-a2ef6afda8d687d0)
[INFO] [stderr]      Running tests/test_visitor_mut.rs (/opt/rustwide/target/debug/deps/test_visitor_mut-8e189a106ac5b300)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stderr]    Doc-tests derive_visitor
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - Drive (line 368) ... ignored
[INFO] [stdout] test src/lib.rs - Drive (line 394) ... ignored
[INFO] [stdout] test src/lib.rs - Drive (line 446) ... ignored
[INFO] [stdout] test src/lib.rs - Visitor (line 159) ... ignored
[INFO] [stdout] test src/lib.rs - Visitor (line 186) ... ignored
[INFO] [stdout] test src/lib.rs - Visitor (line 200) ... ignored
[INFO] [stdout] test src/lib.rs - Visitor (line 219) ... ignored
[INFO] [stdout] test src/lib.rs - VisitorMut (line 249) ... ok
[INFO] [stdout] test src/lib.rs - DriveMut (line 470) ... ok
[INFO] [stdout] test src/lib.rs - visitor_fn (line 273) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 83) ... ok
[INFO] [stdout] test src/lib.rs - visitor_fn_mut (line 290) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 7 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6969e57cdda22caf7b0069214a450be79ae844a2a64873d0a2a92f0ba7dfc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6969e57cdda22caf7b0069214a450be79ae844a2a64873d0a2a92f0ba7dfc6e", kill_on_drop: false }`
[INFO] [stdout] f6969e57cdda22caf7b0069214a450be79ae844a2a64873d0a2a92f0ba7dfc6e