[INFO] fetching crate rl-tokio 0.1.0...
[INFO] checking rl-tokio-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate rl-tokio 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rl-tokio 0.1.0
[INFO] finished tweaking crates.io crate rl-tokio 0.1.0
[INFO] tweaked toml for crates.io crate rl-tokio 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rl-tokio 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] 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 27 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] 9c1e52b1c76e6e1a412d2a875454d9ce873d15a03bdb5214ff10abafc212193a
[INFO] running `Command { std: "docker" "start" "-a" "9c1e52b1c76e6e1a412d2a875454d9ce873d15a03bdb5214ff10abafc212193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c1e52b1c76e6e1a412d2a875454d9ce873d15a03bdb5214ff10abafc212193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1e52b1c76e6e1a412d2a875454d9ce873d15a03bdb5214ff10abafc212193a", kill_on_drop: false }`
[INFO] [stdout] 9c1e52b1c76e6e1a412d2a875454d9ce873d15a03bdb5214ff10abafc212193a
[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] f3a10d532cf425ae4a308efb03ea08563f8e3199180ba015724062d908ac0b48
[INFO] running `Command { std: "docker" "start" "-a" "f3a10d532cf425ae4a308efb03ea08563f8e3199180ba015724062d908ac0b48", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking rl-core v1.16.0
[INFO] [stderr]     Checking rl-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tracker.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 |         &'a self,
[INFO] [stdout]    |          ^^ these lifetimes flow to the output
[INFO] [stdout] 30 |         config: &'a crate::Config,
[INFO] [stdout]    |                  ^^ these lifetimes flow to the output
[INFO] [stdout] 31 |         request: std::ops::RangeInclusive<u32>,
[INFO] [stdout] 32 |     ) -> crate::Acquire {
[INFO] [stdout]    |          -------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ) -> crate::Acquire<'a> {
[INFO] [stdout]    |                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tracker.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 |         &'a self,
[INFO] [stdout]    |          ^^ these lifetimes flow to the output
[INFO] [stdout] 30 |         config: &'a crate::Config,
[INFO] [stdout]    |                  ^^ these lifetimes flow to the output
[INFO] [stdout] 31 |         request: std::ops::RangeInclusive<u32>,
[INFO] [stdout] 32 |     ) -> crate::Acquire {
[INFO] [stdout]    |          -------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ) -> crate::Acquire<'a> {
[INFO] [stdout]    |                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `Command { std: "docker" "inspect" "f3a10d532cf425ae4a308efb03ea08563f8e3199180ba015724062d908ac0b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a10d532cf425ae4a308efb03ea08563f8e3199180ba015724062d908ac0b48", kill_on_drop: false }`
[INFO] [stdout] f3a10d532cf425ae4a308efb03ea08563f8e3199180ba015724062d908ac0b48