[INFO] fetching crate pi_async_macro 0.2.3...
[INFO] building pi_async_macro-0.2.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate pi_async_macro 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pi_async_macro 0.2.3
[INFO] finished tweaking crates.io crate pi_async_macro 0.2.3
[INFO] tweaked toml for crates.io crate pi_async_macro 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_async_macro 0.2.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pi_async_macro 0.2.3 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 318ac6a914957c625ddf954a40f0e3b763af75fa49d18d91404131887f605923
[INFO] running `Command { std: "docker" "start" "-a" "318ac6a914957c625ddf954a40f0e3b763af75fa49d18d91404131887f605923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "318ac6a914957c625ddf954a40f0e3b763af75fa49d18d91404131887f605923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318ac6a914957c625ddf954a40f0e3b763af75fa49d18d91404131887f605923", kill_on_drop: false }`
[INFO] [stdout] 318ac6a914957c625ddf954a40f0e3b763af75fa49d18d91404131887f605923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9825df54c9f59a6a37169878e776a41262e668ae478ad1d85d6389d44d1abda2
[INFO] running `Command { std: "docker" "start" "-a" "9825df54c9f59a6a37169878e776a41262e668ae478ad1d85d6389d44d1abda2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling pi_async_macro v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pool_type`
[INFO] [stdout]    --> src/lib.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |             if let Some(pool_type) = pool_type {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool_type`
[INFO] [stdout]    --> src/lib.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |             if let Some(pool_type) = pool_type {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `Command { std: "docker" "inspect" "9825df54c9f59a6a37169878e776a41262e668ae478ad1d85d6389d44d1abda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9825df54c9f59a6a37169878e776a41262e668ae478ad1d85d6389d44d1abda2", kill_on_drop: false }`
[INFO] [stdout] 9825df54c9f59a6a37169878e776a41262e668ae478ad1d85d6389d44d1abda2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0bb1739ddaaee4336e7671eb49b5e7dfe4f3bb8c7116a08dd2b4cd6f5a2c4d3
[INFO] running `Command { std: "docker" "start" "-a" "f0bb1739ddaaee4336e7671eb49b5e7dfe4f3bb8c7116a08dd2b4cd6f5a2c4d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_async_macro v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pool_type`
[INFO] [stdout]    --> src/lib.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |             if let Some(pool_type) = pool_type {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool_type`
[INFO] [stdout]    --> src/lib.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |             if let Some(pool_type) = pool_type {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool_type`
[INFO] [stdout]    --> src/lib.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |             if let Some(pool_type) = pool_type {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool_type`
[INFO] [stdout]    --> src/lib.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |             if let Some(pool_type) = pool_type {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "f0bb1739ddaaee4336e7671eb49b5e7dfe4f3bb8c7116a08dd2b4cd6f5a2c4d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bb1739ddaaee4336e7671eb49b5e7dfe4f3bb8c7116a08dd2b4cd6f5a2c4d3", kill_on_drop: false }`
[INFO] [stdout] f0bb1739ddaaee4336e7671eb49b5e7dfe4f3bb8c7116a08dd2b4cd6f5a2c4d3