[INFO] fetching crate flexbuffers 25.2.10... [INFO] checking flexbuffers-25.2.10 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate flexbuffers 25.2.10 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate flexbuffers 25.2.10 [INFO] finished tweaking crates.io crate flexbuffers 25.2.10 [INFO] tweaked toml for crates.io crate flexbuffers 25.2.10 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flexbuffers 25.2.10 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 flexbuffers 25.2.10 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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3af7cbaf86476b66ce2084ae28f97ec382cc47c60c690d5f7f1d52797236b0a4 [INFO] running `Command { std: "docker" "start" "-a" "3af7cbaf86476b66ce2084ae28f97ec382cc47c60c690d5f7f1d52797236b0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3af7cbaf86476b66ce2084ae28f97ec382cc47c60c690d5f7f1d52797236b0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3af7cbaf86476b66ce2084ae28f97ec382cc47c60c690d5f7f1d52797236b0a4", kill_on_drop: false }` [INFO] [stdout] 3af7cbaf86476b66ce2084ae28f97ec382cc47c60c690d5f7f1d52797236b0a4 [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=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] 59f2b9441de3986d1a93a2af6a23b10d7d0c528f52c497f9bf9f9354157c1aa0 [INFO] running `Command { std: "docker" "start" "-a" "59f2b9441de3986d1a93a2af6a23b10d7d0c528f52c497f9bf9f9354157c1aa0", kill_on_drop: false }` [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.15.2 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling once_cell v1.20.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling indexmap v2.7.1 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Checking num_enum v0.5.11 [INFO] [stderr] Checking flexbuffers v25.2.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `serialize_human_readable` [INFO] [stdout] --> src/builder/ser.rs:225:14 [INFO] [stdout] | [INFO] [stdout] 225 | cfg!(serialize_human_readable) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: found config with similar value: `feature = "serialize_human_readable"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serialize_human_readable)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serialize_human_readable)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `serialize_human_readable` [INFO] [stdout] --> src/builder/ser.rs:225:14 [INFO] [stdout] | [INFO] [stdout] 225 | cfg!(serialize_human_readable) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: found config with similar value: `feature = "serialize_human_readable"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(serialize_human_readable)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(serialize_human_readable)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `deserialize_human_readable` [INFO] [stdout] --> src/reader/de.rs:166:14 [INFO] [stdout] | [INFO] [stdout] 166 | cfg!(deserialize_human_readable) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: found config with similar value: `feature = "deserialize_human_readable"` [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(deserialize_human_readable)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(deserialize_human_readable)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `deserialize_human_readable` [INFO] [stdout] --> src/reader/de.rs:166:14 [INFO] [stdout] | [INFO] [stdout] 166 | cfg!(deserialize_human_readable) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: found config with similar value: `feature = "deserialize_human_readable"` [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(deserialize_human_readable)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(deserialize_human_readable)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `MapReaderIndexer` [INFO] [stdout] --> src/reader/mod.rs:29:26 [INFO] [stdout] | [INFO] [stdout] 29 | pub use map::{MapReader, MapReaderIndexer}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `MapReaderIndexer` [INFO] [stdout] --> src/reader/mod.rs:29:26 [INFO] [stdout] | [INFO] [stdout] 29 | pub use map::{MapReader, MapReaderIndexer}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/builder/map.rs:46:25 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn start_vector(&mut self, key: &str) -> VectorBuilder { [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] 46 | pub fn start_vector(&mut self, key: &str) -> VectorBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/builder/map.rs:61:22 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn start_map(&mut self, key: &str) -> MapBuilder { [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 61 | pub fn start_map(&mut self, key: &str) -> MapBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/builder/vector.rs:39:25 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn start_vector(&mut self) -> VectorBuilder { [INFO] [stdout] | ^^^^^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 39 | pub fn start_vector(&mut self) -> VectorBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/builder/vector.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn start_map(&mut self) -> MapBuilder { [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 48 | pub fn start_map(&mut self) -> MapBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/builder/map.rs:46:25 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn start_vector(&mut self, key: &str) -> VectorBuilder { [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] 46 | pub fn start_vector(&mut self, key: &str) -> VectorBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/builder/map.rs:61:22 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn start_map(&mut self, key: &str) -> MapBuilder { [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 61 | pub fn start_map(&mut self, key: &str) -> MapBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/builder/vector.rs:39:25 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn start_vector(&mut self) -> VectorBuilder { [INFO] [stdout] | ^^^^^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 39 | pub fn start_vector(&mut self) -> VectorBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/builder/vector.rs:48:22 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn start_map(&mut self) -> MapBuilder { [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 48 | pub fn start_map(&mut self) -> MapBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.06s [INFO] running `Command { std: "docker" "inspect" "59f2b9441de3986d1a93a2af6a23b10d7d0c528f52c497f9bf9f9354157c1aa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59f2b9441de3986d1a93a2af6a23b10d7d0c528f52c497f9bf9f9354157c1aa0", kill_on_drop: false }` [INFO] [stdout] 59f2b9441de3986d1a93a2af6a23b10d7d0c528f52c497f9bf9f9354157c1aa0