[INFO] fetching crate threatpool 0.3.0...
[INFO] testing threatpool-0.3.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate threatpool 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate threatpool 0.3.0
[INFO] finished tweaking crates.io crate threatpool 0.3.0
[INFO] tweaked toml for crates.io crate threatpool 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate threatpool 0.3.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c867118387a7d8b7eede3431ca3665ab92d5da8aedf5da86edcb3880ad3e196
[INFO] running `Command { std: "docker" "start" "-a" "4c867118387a7d8b7eede3431ca3665ab92d5da8aedf5da86edcb3880ad3e196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c867118387a7d8b7eede3431ca3665ab92d5da8aedf5da86edcb3880ad3e196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c867118387a7d8b7eede3431ca3665ab92d5da8aedf5da86edcb3880ad3e196", kill_on_drop: false }`
[INFO] [stdout] 4c867118387a7d8b7eede3431ca3665ab92d5da8aedf5da86edcb3880ad3e196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe655dde3dfb9097ca2f4568a318205eb7b2afc47c77f79fb9e7c6d4ab452599
[INFO] running `Command { std: "docker" "start" "-a" "fe655dde3dfb9097ca2f4568a318205eb7b2afc47c77f79fb9e7c6d4ab452599", kill_on_drop: false }`
[INFO] [stderr]    Compiling threatpool v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stdout]    |                       ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stdout] 27 + type Job = Option<Box<dyn FnOnce() + Send + 'static>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "fe655dde3dfb9097ca2f4568a318205eb7b2afc47c77f79fb9e7c6d4ab452599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe655dde3dfb9097ca2f4568a318205eb7b2afc47c77f79fb9e7c6d4ab452599", kill_on_drop: false }`
[INFO] [stdout] fe655dde3dfb9097ca2f4568a318205eb7b2afc47c77f79fb9e7c6d4ab452599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b6446219a1189eb1d3a3860e8899faafad4a75a38c95b3cc29c17ac732f6a62
[INFO] running `Command { std: "docker" "start" "-a" "7b6446219a1189eb1d3a3860e8899faafad4a75a38c95b3cc29c17ac732f6a62", kill_on_drop: false }`
[INFO] [stderr]    Compiling threatpool v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stdout]    |                       ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stdout] 27 + type Job = Option<Box<dyn FnOnce() + Send + 'static>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stdout]    |                       ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stdout] 27 + type Job = Option<Box<dyn FnOnce() + Send + 'static>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "7b6446219a1189eb1d3a3860e8899faafad4a75a38c95b3cc29c17ac732f6a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6446219a1189eb1d3a3860e8899faafad4a75a38c95b3cc29c17ac732f6a62", kill_on_drop: false }`
[INFO] [stdout] 7b6446219a1189eb1d3a3860e8899faafad4a75a38c95b3cc29c17ac732f6a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb14c71195ca24a40ea3f1a902c06a5133d29e080650e84fcec6cc9babc21a6f
[INFO] running `Command { std: "docker" "start" "-a" "bb14c71195ca24a40ea3f1a902c06a5133d29e080650e84fcec6cc9babc21a6f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 | type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stderr]    |                       ^                             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 - type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stderr] 27 + type Job = Option<Box<dyn FnOnce() + Send + 'static>>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `threatpool` (lib) generated 1 warning (run `cargo fix --lib -p threatpool` to apply 1 suggestion)
[INFO] [stderr] warning: `threatpool` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/threatpool-8e3aae57a46efdb6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests threatpool
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 | type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stderr]    |                       ^                             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 - type Job = Option<Box<(dyn FnOnce() + Send + 'static)>>;
[INFO] [stderr] 27 + type Job = Option<Box<dyn FnOnce() + Send + 'static>>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::execute (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb14c71195ca24a40ea3f1a902c06a5133d29e080650e84fcec6cc9babc21a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb14c71195ca24a40ea3f1a902c06a5133d29e080650e84fcec6cc9babc21a6f", kill_on_drop: false }`
[INFO] [stdout] bb14c71195ca24a40ea3f1a902c06a5133d29e080650e84fcec6cc9babc21a6f