[INFO] fetching crate yyjson-rs 0.1.0... [INFO] testing yyjson-rs-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate yyjson-rs 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate yyjson-rs 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate yyjson-rs 0.1.0 [INFO] tweaked toml for crates.io crate yyjson-rs 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate yyjson-rs 0.1.0 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] crate crates.io crate yyjson-rs 0.1.0 already has a lockfile, it will not be regenerated [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] 0ed4e68911ead20604662ab49a719fd3551223a5a280a2769850ddef0b211eea [INFO] running `Command { std: "docker" "start" "-a" "0ed4e68911ead20604662ab49a719fd3551223a5a280a2769850ddef0b211eea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ed4e68911ead20604662ab49a719fd3551223a5a280a2769850ddef0b211eea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ed4e68911ead20604662ab49a719fd3551223a5a280a2769850ddef0b211eea", kill_on_drop: false }` [INFO] [stdout] 0ed4e68911ead20604662ab49a719fd3551223a5a280a2769850ddef0b211eea [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] 465af425bb99ad4f7afa8ac1e7d03f51f27d7e4eb0828d3c7627d819731a4ac1 [INFO] running `Command { std: "docker" "start" "-a" "465af425bb99ad4f7afa8ac1e7d03f51f27d7e4eb0828d3c7627d819731a4ac1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling cc v1.2.15 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling yyjson-sys v0.1.0 [INFO] [stderr] Compiling num-derive v0.4.2 [INFO] [stderr] Compiling yyjson-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/doc.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result { [INFO] [stdout] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result, ReadError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.20s [INFO] running `Command { std: "docker" "inspect" "465af425bb99ad4f7afa8ac1e7d03f51f27d7e4eb0828d3c7627d819731a4ac1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "465af425bb99ad4f7afa8ac1e7d03f51f27d7e4eb0828d3c7627d819731a4ac1", kill_on_drop: false }` [INFO] [stdout] 465af425bb99ad4f7afa8ac1e7d03f51f27d7e4eb0828d3c7627d819731a4ac1 [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] 18011060560b54e985508c5c80698fd49ad7a9fdc7d130b14211e01e8b2de737 [INFO] running `Command { std: "docker" "start" "-a" "18011060560b54e985508c5c80698fd49ad7a9fdc7d130b14211e01e8b2de737", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.96 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/doc.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result { [INFO] [stdout] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result, ReadError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling yyjson-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> examples/basic_usage.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let name: Option<&str> = root.at_key("name").and_then(|v| v.str()); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `age` [INFO] [stdout] --> examples/basic_usage.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let age: Option = root.at_key("age").and_then(|v| v.u64()); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_age` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_score` [INFO] [stdout] --> examples/basic_usage.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let first_score = scores.get(0).and_then(|v| v.f64()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `active` [INFO] [stdout] --> examples/basic_usage.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let active: Option = root [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_active` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/doc.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result { [INFO] [stdout] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result, ReadError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `Command { std: "docker" "inspect" "18011060560b54e985508c5c80698fd49ad7a9fdc7d130b14211e01e8b2de737", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18011060560b54e985508c5c80698fd49ad7a9fdc7d130b14211e01e8b2de737", kill_on_drop: false }` [INFO] [stdout] 18011060560b54e985508c5c80698fd49ad7a9fdc7d130b14211e01e8b2de737 [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] 9876f82067add882266c9e24f6e4314cafdc5ec0f922fd1cac14f03d28379952 [INFO] running `Command { std: "docker" "start" "-a" "9876f82067add882266c9e24f6e4314cafdc5ec0f922fd1cac14f03d28379952", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/doc.rs:30:18 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn parse(&self, buf: &[u8]) -> Result { [INFO] [stderr] | ^^^^^ ^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 30 | pub fn parse(&self, buf: &[u8]) -> Result, ReadError> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `yyjson-rs` (lib) generated 1 warning (run `cargo fix --lib -p yyjson-rs` to apply 1 suggestion) [INFO] [stderr] warning: `yyjson-rs` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> examples/basic_usage.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let name: Option<&str> = root.at_key("name").and_then(|v| v.str()); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `age` [INFO] [stderr] --> examples/basic_usage.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let age: Option = root.at_key("age").and_then(|v| v.u64()); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_age` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `first_score` [INFO] [stderr] --> examples/basic_usage.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let first_score = scores.get(0).and_then(|v| v.f64()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_score` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `active` [INFO] [stderr] --> examples/basic_usage.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let active: Option = root [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_active` [INFO] [stderr] [INFO] [stderr] warning: `yyjson-rs` (example "basic_usage") generated 4 warnings (run `cargo fix --example "basic_usage" -p yyjson-rs` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yyjson_rs-8f25eb53a2d53819) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test val::tests::empty_list_access ... ok [INFO] [stdout] test val::tests::list_access ... ok [INFO] [stdout] test val::tests::obj_access ... ok [INFO] [stdout] test val::tests::is_correct_val_type ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests yyjson_rs [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" "9876f82067add882266c9e24f6e4314cafdc5ec0f922fd1cac14f03d28379952", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9876f82067add882266c9e24f6e4314cafdc5ec0f922fd1cac14f03d28379952", kill_on_drop: false }` [INFO] [stdout] 9876f82067add882266c9e24f6e4314cafdc5ec0f922fd1cac14f03d28379952