[INFO] fetching crate dynpool 0.0.2...
[INFO] testing dynpool-0.0.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate dynpool 0.0.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate dynpool 0.0.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynpool 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dynpool 0.0.2
[INFO] tweaked toml for crates.io crate dynpool 0.0.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate dynpool 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backoff v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cdb9c72bfad81aafbbdae130c648efba6974b8e4b08f32075b2edfdec077b6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6cdb9c72bfad81aafbbdae130c648efba6974b8e4b08f32075b2edfdec077b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cdb9c72bfad81aafbbdae130c648efba6974b8e4b08f32075b2edfdec077b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cdb9c72bfad81aafbbdae130c648efba6974b8e4b08f32075b2edfdec077b6f", kill_on_drop: false }`
[INFO] [stdout] 6cdb9c72bfad81aafbbdae130c648efba6974b8e4b08f32075b2edfdec077b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69f3f0a186dfc44155d7589a483a7fb04246f0c5a70761556ab73272de0ce3ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "69f3f0a186dfc44155d7589a483a7fb04246f0c5a70761556ab73272de0ce3ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling backoff v0.1.2
[INFO] [stderr]    Compiling dynpool v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/builtins.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn close(&self, Self::Data) {}
[INFO] [stdout]    |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:336:21
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn close(&self, Self::Data) { }
[INFO] [stdout]     |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Data`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/internal.rs:302:54
[INFO] [stdout]     |
[INFO] [stdout] 302 |                     let previous_count = share.count.compare_and_swap(required_count, count_after, Relaxed);
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "69f3f0a186dfc44155d7589a483a7fb04246f0c5a70761556ab73272de0ce3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f3f0a186dfc44155d7589a483a7fb04246f0c5a70761556ab73272de0ce3ec", kill_on_drop: false }`
[INFO] [stdout] 69f3f0a186dfc44155d7589a483a7fb04246f0c5a70761556ab73272de0ce3ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2c78081873053ac93ad82232869ddaffff4b29f1adf2068db37fceed517f136
[INFO] running `Command { std: "docker" "start" "-a" "a2c78081873053ac93ad82232869ddaffff4b29f1adf2068db37fceed517f136", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/builtins.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn close(&self, Self::Data) {}
[INFO] [stdout]    |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:336:21
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn close(&self, Self::Data) { }
[INFO] [stdout]     |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Data`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/internal.rs:302:54
[INFO] [stdout]     |
[INFO] [stdout] 302 |                     let previous_count = share.count.compare_and_swap(required_count, count_after, Relaxed);
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling dynpool v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/builtins.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn close(&self, Self::Data) {}
[INFO] [stdout]    |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:336:21
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn close(&self, Self::Data) { }
[INFO] [stdout]     |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Data`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/internal.rs:302:54
[INFO] [stdout]     |
[INFO] [stdout] 302 |                     let previous_count = share.count.compare_and_swap(required_count, count_after, Relaxed);
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "a2c78081873053ac93ad82232869ddaffff4b29f1adf2068db37fceed517f136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c78081873053ac93ad82232869ddaffff4b29f1adf2068db37fceed517f136", kill_on_drop: false }`
[INFO] [stdout] a2c78081873053ac93ad82232869ddaffff4b29f1adf2068db37fceed517f136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d55e1f169c0f8f380159203829f4d3a3897ae8fc70ea05d1dc67d4bbe0aa1e7
[INFO] running `Command { std: "docker" "start" "-a" "1d55e1f169c0f8f380159203829f4d3a3897ae8fc70ea05d1dc67d4bbe0aa1e7", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/builtins.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn close(&self, Self::Data) {}
[INFO] [stderr]    |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/lib.rs:336:21
[INFO] [stderr]     |
[INFO] [stderr] 336 |     fn close(&self, Self::Data) { }
[INFO] [stderr]     |                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Data`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/internal.rs:302:54
[INFO] [stderr]     |
[INFO] [stderr] 302 |                     let previous_count = share.count.compare_and_swap(required_count, count_after, Relaxed);
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dynpool` (lib) generated 3 warnings
[INFO] [stderr] warning: `dynpool` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dynpool-60477f35c13c3e7b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests dynpool
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/builtins.rs - builtins::simple_func_worker (line 99) ... ok
[INFO] [stdout] test src/builtins.rs - builtins::cache_scale (line 222) ... ok
[INFO] [stdout] test src/builtins.rs - builtins::with_threads (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/builtins.rs - builtins::shutdown_after (line 173) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d55e1f169c0f8f380159203829f4d3a3897ae8fc70ea05d1dc67d4bbe0aa1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d55e1f169c0f8f380159203829f4d3a3897ae8fc70ea05d1dc67d4bbe0aa1e7", kill_on_drop: false }`
[INFO] [stdout] 1d55e1f169c0f8f380159203829f4d3a3897ae8fc70ea05d1dc67d4bbe0aa1e7
