[INFO] fetching crate serde-lwjson 0.2.1...
[INFO] testing serde-lwjson-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serde-lwjson 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde-lwjson 0.2.1
[INFO] finished tweaking crates.io crate serde-lwjson 0.2.1
[INFO] tweaked toml for crates.io crate serde-lwjson 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-lwjson 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding prettyplease v0.1.25 (available: v0.2.37)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.108)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2be8447dfbe0fd4bcbeafbf596c9c445699048df2cb8a4330a0c838fb1c721a6
[INFO] running `Command { std: "docker" "start" "-a" "2be8447dfbe0fd4bcbeafbf596c9c445699048df2cb8a4330a0c838fb1c721a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2be8447dfbe0fd4bcbeafbf596c9c445699048df2cb8a4330a0c838fb1c721a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be8447dfbe0fd4bcbeafbf596c9c445699048df2cb8a4330a0c838fb1c721a6", kill_on_drop: false }`
[INFO] [stdout] 2be8447dfbe0fd4bcbeafbf596c9c445699048df2cb8a4330a0c838fb1c721a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdc70d1b24ea1828810f416e13dc5c39c370a5310a9715aa307aa6b18db16b55
[INFO] running `Command { std: "docker" "start" "-a" "bdc70d1b24ea1828810f416e13dc5c39c370a5310a9715aa307aa6b18db16b55", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling uriparse v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling schemafy_core v0.6.0
[INFO] [stderr]    Compiling schemafy_lib v0.6.0
[INFO] [stderr]    Compiling serde-lwjson v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lwjson.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |         for repositories in &self.repositories {
[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] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         while let Some(repositories) = &self.repositories {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         if let Some(repositories) = &self.repositories {
[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/lwjson.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for artifacts in &self.artifacts {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         while let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         if let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.91s
[INFO] running `Command { std: "docker" "inspect" "bdc70d1b24ea1828810f416e13dc5c39c370a5310a9715aa307aa6b18db16b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc70d1b24ea1828810f416e13dc5c39c370a5310a9715aa307aa6b18db16b55", kill_on_drop: false }`
[INFO] [stdout] bdc70d1b24ea1828810f416e13dc5c39c370a5310a9715aa307aa6b18db16b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06f37a8e33325ab929df4101df0b143c84415c8569ffece5eba6a5f653616c59
[INFO] running `Command { std: "docker" "start" "-a" "06f37a8e33325ab929df4101df0b143c84415c8569ffece5eba6a5f653616c59", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-lwjson v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lwjson.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |         for repositories in &self.repositories {
[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] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         while let Some(repositories) = &self.repositories {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         if let Some(repositories) = &self.repositories {
[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/lwjson.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for artifacts in &self.artifacts {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         while let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         if let Some(artifacts) = &self.artifacts {
[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/lwjson.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |         for repositories in &self.repositories {
[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] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         while let Some(repositories) = &self.repositories {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         if let Some(repositories) = &self.repositories {
[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/lwjson.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for artifacts in &self.artifacts {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         while let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         if let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "06f37a8e33325ab929df4101df0b143c84415c8569ffece5eba6a5f653616c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f37a8e33325ab929df4101df0b143c84415c8569ffece5eba6a5f653616c59", kill_on_drop: false }`
[INFO] [stdout] 06f37a8e33325ab929df4101df0b143c84415c8569ffece5eba6a5f653616c59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 696b774e823a96265c60ba706b9a3186a3a71e11b4575e496753b19572513005
[INFO] running `Command { std: "docker" "start" "-a" "696b774e823a96265c60ba706b9a3186a3a71e11b4575e496753b19572513005", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]   --> src/lwjson.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |         for repositories in &self.repositories {
[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] 13 -         for repositories in &self.repositories {
[INFO] [stderr] 13 +         while let Some(repositories) = &self.repositories {
[INFO] [stderr]    |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]    |
[INFO] [stderr] 13 -         for repositories in &self.repositories {
[INFO] [stderr] 13 +         if let Some(repositories) = &self.repositories {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]   --> src/lwjson.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |         for artifacts in &self.artifacts {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]    |
[INFO] [stderr] 23 -         for artifacts in &self.artifacts {
[INFO] [stderr] 23 +         while let Some(artifacts) = &self.artifacts {
[INFO] [stderr]    |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]    |
[INFO] [stderr] 23 -         for artifacts in &self.artifacts {
[INFO] [stderr] 23 +         if let Some(artifacts) = &self.artifacts {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-lwjson` (lib) generated 2 warnings
[INFO] [stderr] warning: `serde-lwjson` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_lwjson-f48db5864620352c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lwjson.rs (/opt/rustwide/target/debug/deps/lwjson-27475c953f5a6a9d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_deserialize_simple ... ok
[INFO] [stdout] test test_deserialize_full ... ok
[INFO] [stderr]    Doc-tests serde_lwjson
[INFO] [stdout] test test_serialize_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "696b774e823a96265c60ba706b9a3186a3a71e11b4575e496753b19572513005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696b774e823a96265c60ba706b9a3186a3a71e11b4575e496753b19572513005", kill_on_drop: false }`
[INFO] [stdout] 696b774e823a96265c60ba706b9a3186a3a71e11b4575e496753b19572513005