[INFO] fetching crate sched-callback 0.1.2...
[INFO] checking sched-callback-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate sched-callback 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sched-callback 0.1.2
[INFO] finished tweaking crates.io crate sched-callback 0.1.2
[INFO] tweaked toml for crates.io crate sched-callback 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sched-callback 0.1.2 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 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b46cc4208e693aae5a91b38a93fb5d2e48ce40c5f006f0c614c1e8e183b0b4b9
[INFO] running `Command { std: "docker" "start" "-a" "b46cc4208e693aae5a91b38a93fb5d2e48ce40c5f006f0c614c1e8e183b0b4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b46cc4208e693aae5a91b38a93fb5d2e48ce40c5f006f0c614c1e8e183b0b4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46cc4208e693aae5a91b38a93fb5d2e48ce40c5f006f0c614c1e8e183b0b4b9", kill_on_drop: false }`
[INFO] [stdout] b46cc4208e693aae5a91b38a93fb5d2e48ce40c5f006f0c614c1e8e183b0b4b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a6bc69908d05bb5e43ad5e7ddd74965ba65a03c6261feb2fe48e8eac966168df
[INFO] running `Command { std: "docker" "start" "-a" "a6bc69908d05bb5e43ad5e7ddd74965ba65a03c6261feb2fe48e8eac966168df", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking sched-callback v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/queue.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     async fn lock_tasks(&self) -> MutexGuard<Vec<Task>> {
[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] 33 |     async fn lock_tasks(&self) -> MutexGuard<'_, Vec<Task>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/queue.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |     async fn lock_running(&self) -> MutexGuard<Option<TaskHandle>> {
[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] 36 |     async fn lock_running(&self) -> MutexGuard<'_, Option<TaskHandle>> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/queue.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     async fn lock_tasks_cancelled(&self) -> MutexGuard<BTreeSet<usize>>{
[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 |     async fn lock_tasks_cancelled(&self) -> MutexGuard<'_, BTreeSet<usize>>{
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/queue.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     async fn lock_tasks(&self) -> MutexGuard<Vec<Task>> {
[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] 33 |     async fn lock_tasks(&self) -> MutexGuard<'_, Vec<Task>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/queue.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |     async fn lock_running(&self) -> MutexGuard<Option<TaskHandle>> {
[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] 36 |     async fn lock_running(&self) -> MutexGuard<'_, Option<TaskHandle>> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/queue.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     async fn lock_tasks_cancelled(&self) -> MutexGuard<BTreeSet<usize>>{
[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 |     async fn lock_tasks_cancelled(&self) -> MutexGuard<'_, BTreeSet<usize>>{
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.47s
[INFO] running `Command { std: "docker" "inspect" "a6bc69908d05bb5e43ad5e7ddd74965ba65a03c6261feb2fe48e8eac966168df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bc69908d05bb5e43ad5e7ddd74965ba65a03c6261feb2fe48e8eac966168df", kill_on_drop: false }`
[INFO] [stdout] a6bc69908d05bb5e43ad5e7ddd74965ba65a03c6261feb2fe48e8eac966168df