[INFO] fetching crate flv-util 0.5.2... [INFO] checking flv-util-0.5.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate flv-util 0.5.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate flv-util 0.5.2 [INFO] finished tweaking crates.io crate flv-util 0.5.2 [INFO] tweaked toml for crates.io crate flv-util 0.5.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flv-util 0.5.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 61bc20a5213768f820bbf45e68bc0655f113a3ac781902b3effeecb07902daab [INFO] running `Command { std: "docker" "start" "-a" "61bc20a5213768f820bbf45e68bc0655f113a3ac781902b3effeecb07902daab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61bc20a5213768f820bbf45e68bc0655f113a3ac781902b3effeecb07902daab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61bc20a5213768f820bbf45e68bc0655f113a3ac781902b3effeecb07902daab", kill_on_drop: false }` [INFO] [stdout] 61bc20a5213768f820bbf45e68bc0655f113a3ac781902b3effeecb07902daab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d4ecb64f0ed0bd3b3ac749e2616ce8bc71c1dd3a0c03dc3a7e3854b696f40f35 [INFO] running `Command { std: "docker" "start" "-a" "d4ecb64f0ed0bd3b3ac749e2616ce8bc71c1dd3a0c03dc3a7e3854b696f40f35", kill_on_drop: false }` [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking flv-util v0.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/concurrent.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn read(&self) -> RwLockReadGuard> { [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] 27 | pub fn read(&self) -> RwLockReadGuard<'_, HashMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/concurrent.rs:31:18 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn write(&self) -> RwLockWriteGuard> { [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] 31 | pub fn write(&self) -> RwLockWriteGuard<'_, HashMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/concurrent.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn read(&self) -> RwLockReadGuard> { [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] 58 | pub fn read(&self) -> RwLockReadGuard<'_, BTreeMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/concurrent.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn write(&self) -> RwLockWriteGuard> { [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] 62 | pub fn write(&self) -> RwLockWriteGuard<'_, BTreeMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/concurrent.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn read(&self) -> RwLockReadGuard> { [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] 27 | pub fn read(&self) -> RwLockReadGuard<'_, HashMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/concurrent.rs:31:18 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn write(&self) -> RwLockWriteGuard> { [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] 31 | pub fn write(&self) -> RwLockWriteGuard<'_, HashMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/concurrent.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn read(&self) -> RwLockReadGuard> { [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] 58 | pub fn read(&self) -> RwLockReadGuard<'_, BTreeMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/concurrent.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn write(&self) -> RwLockWriteGuard> { [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] 62 | pub fn write(&self) -> RwLockWriteGuard<'_, BTreeMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.39s [INFO] running `Command { std: "docker" "inspect" "d4ecb64f0ed0bd3b3ac749e2616ce8bc71c1dd3a0c03dc3a7e3854b696f40f35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4ecb64f0ed0bd3b3ac749e2616ce8bc71c1dd3a0c03dc3a7e3854b696f40f35", kill_on_drop: false }` [INFO] [stdout] d4ecb64f0ed0bd3b3ac749e2616ce8bc71c1dd3a0c03dc3a7e3854b696f40f35