[INFO] fetching crate yyjson-rs 0.1.0...
[INFO] testing yyjson-rs-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate yyjson-rs 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate yyjson-rs 0.1.0 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] 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.96
[INFO] [stderr]   Downloaded yyjson-sys v0.1.0
[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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7
[INFO] running `Command { std: "docker" "start" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7", 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" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7" "/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" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7", 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" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling cc v1.2.15
[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<Doc, ReadError> {
[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<Doc<'_>, ReadError> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7", 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" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", 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<Doc, ReadError> {
[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<Doc<'_>, 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<u64> = 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<bool> = 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<Doc, ReadError> {
[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<Doc<'_>, ReadError> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7", 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" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", 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<Doc, ReadError> {
[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<Doc<'_>, 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: 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<u64> = 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<bool> = 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] warning: `yyjson-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yyjson_rs-0f98b5cad5846317)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test val::tests::obj_access ... ok
[INFO] [stdout] test val::tests::list_access ... ok
[INFO] [stdout] test val::tests::empty_list_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 0.01s
[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" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7", kill_on_drop: false }`
[INFO] [stdout] ac1e2c6d907868b2f2a84d978f4570860222d3d1b4efd46a15b3d2a531898ce7
