[INFO] fetching crate poolter 0.1.0...
[INFO] testing poolter-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate poolter 0.1.0 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate poolter 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poolter 0.1.0
[INFO] finished tweaking crates.io crate poolter 0.1.0
[INFO] tweaked toml for crates.io crate poolter 0.1.0 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39ed8fef7c8ed286e3bf49694ef14003ca17ac8b35931e5c36f6e0575206b8a0
[INFO] running `Command { std: "docker" "start" "-a" "39ed8fef7c8ed286e3bf49694ef14003ca17ac8b35931e5c36f6e0575206b8a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39ed8fef7c8ed286e3bf49694ef14003ca17ac8b35931e5c36f6e0575206b8a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ed8fef7c8ed286e3bf49694ef14003ca17ac8b35931e5c36f6e0575206b8a0", kill_on_drop: false }`
[INFO] [stdout] 39ed8fef7c8ed286e3bf49694ef14003ca17ac8b35931e5c36f6e0575206b8a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d430c0968ad4457a6b8f30184fa762b690c38f5fcdd214d390393fce4c66b87
[INFO] running `Command { std: "docker" "start" "-a" "3d430c0968ad4457a6b8f30184fa762b690c38f5fcdd214d390393fce4c66b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling poolter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/service.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Callback = Box<Fn() + Send>;
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub type Callback = Box<Fn() + Send>;
[INFO] [stdout] 4 + pub type Callback = Box<dyn Fn() + Send>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "3d430c0968ad4457a6b8f30184fa762b690c38f5fcdd214d390393fce4c66b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d430c0968ad4457a6b8f30184fa762b690c38f5fcdd214d390393fce4c66b87", kill_on_drop: false }`
[INFO] [stdout] 3d430c0968ad4457a6b8f30184fa762b690c38f5fcdd214d390393fce4c66b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47ab03e236f39e2b6a4e0069ad16258b0e4dcfcad7b3ab3b47868b7027564570
[INFO] running `Command { std: "docker" "start" "-a" "47ab03e236f39e2b6a4e0069ad16258b0e4dcfcad7b3ab3b47868b7027564570", kill_on_drop: false }`
[INFO] [stderr]    Compiling poolter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/service.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Callback = Box<Fn() + Send>;
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub type Callback = Box<Fn() + Send>;
[INFO] [stdout] 4 + pub type Callback = Box<dyn Fn() + Send>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/service.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Callback = Box<Fn() + Send>;
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub type Callback = Box<Fn() + Send>;
[INFO] [stdout] 4 + pub type Callback = Box<dyn Fn() + Send>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "47ab03e236f39e2b6a4e0069ad16258b0e4dcfcad7b3ab3b47868b7027564570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ab03e236f39e2b6a4e0069ad16258b0e4dcfcad7b3ab3b47868b7027564570", kill_on_drop: false }`
[INFO] [stdout] 47ab03e236f39e2b6a4e0069ad16258b0e4dcfcad7b3ab3b47868b7027564570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24d72ffc87f64135f4b311660e033ba51aafb900774b8dce244a81e8755ab138
[INFO] running `Command { std: "docker" "start" "-a" "24d72ffc87f64135f4b311660e033ba51aafb900774b8dce244a81e8755ab138", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/service.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type Callback = Box<Fn() + Send>;
[INFO] [stderr]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 1 test
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 4 - pub type Callback = Box<Fn() + Send>;
[INFO] [stderr] 4 + pub type Callback = Box<dyn Fn() + Send>;
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: `poolter` (lib) generated 1 warning
[INFO] [stderr] warning: `poolter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/poolter-6f35896b803a89f3)
[INFO] [stdout] test concurrent_tasks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests poolter
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24d72ffc87f64135f4b311660e033ba51aafb900774b8dce244a81e8755ab138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d72ffc87f64135f4b311660e033ba51aafb900774b8dce244a81e8755ab138", kill_on_drop: false }`
[INFO] [stdout] 24d72ffc87f64135f4b311660e033ba51aafb900774b8dce244a81e8755ab138