[INFO] fetching crate yyjson-rs 0.1.0... [INFO] checking yyjson-rs-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [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 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d11b2169a367c7f15f2f0da7e5eeda8c1ba30753e190da084ff152b6a94a8be [INFO] running `Command { std: "docker" "start" "-a" "1d11b2169a367c7f15f2f0da7e5eeda8c1ba30753e190da084ff152b6a94a8be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d11b2169a367c7f15f2f0da7e5eeda8c1ba30753e190da084ff152b6a94a8be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d11b2169a367c7f15f2f0da7e5eeda8c1ba30753e190da084ff152b6a94a8be", kill_on_drop: false }` [INFO] [stdout] 1d11b2169a367c7f15f2f0da7e5eeda8c1ba30753e190da084ff152b6a94a8be [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd1548f1fffa988c2e6192b5b5b26dd2609e69d9f0a5b9d393e19fa48421b7a9 [INFO] running `Command { std: "docker" "start" "-a" "dd1548f1fffa988c2e6192b5b5b26dd2609e69d9f0a5b9d393e19fa48421b7a9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Compiling anyhow v1.0.96 [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] Checking yyjson-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/doc.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result { [INFO] [stdout] | ^^^^^ --- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result, ReadError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/doc.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result { [INFO] [stdout] | ^^^^^ --- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 30 | pub fn parse(&self, buf: &[u8]) -> Result, ReadError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [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)]` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.35s [INFO] running `Command { std: "docker" "inspect" "dd1548f1fffa988c2e6192b5b5b26dd2609e69d9f0a5b9d393e19fa48421b7a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd1548f1fffa988c2e6192b5b5b26dd2609e69d9f0a5b9d393e19fa48421b7a9", kill_on_drop: false }` [INFO] [stdout] dd1548f1fffa988c2e6192b5b5b26dd2609e69d9f0a5b9d393e19fa48421b7a9