[INFO] fetching crate r2d2 0.8.9...
[INFO] testing r2d2-0.8.9 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate r2d2 0.8.9 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate r2d2 0.8.9 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r2d2 0.8.9
[INFO] finished tweaking crates.io crate r2d2 0.8.9
[INFO] tweaked toml for crates.io crate r2d2 0.8.9 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c022d62b236ce12c2b1262ceb2d03a222ca9c9edf8ad647b740631454f429fa
[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" "5c022d62b236ce12c2b1262ceb2d03a222ca9c9edf8ad647b740631454f429fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c022d62b236ce12c2b1262ceb2d03a222ca9c9edf8ad647b740631454f429fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c022d62b236ce12c2b1262ceb2d03a222ca9c9edf8ad647b740631454f429fa", kill_on_drop: false }`
[INFO] [stdout] 5c022d62b236ce12c2b1262ceb2d03a222ca9c9edf8ad647b740631454f429fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--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] 62c9e31ad703ab86d4694ef726482b7858c337eada768457ca973ee43a1379f1
[INFO] running `Command { std: "docker" "start" "-a" "62c9e31ad703ab86d4694ef726482b7858c337eada768457ca973ee43a1379f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling r2d2 v0.8.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:559:37
[INFO] [stdout]     |
[INFO] [stdout] 559 |         fmt.write_str(error::Error::description(self))?;
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "62c9e31ad703ab86d4694ef726482b7858c337eada768457ca973ee43a1379f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c9e31ad703ab86d4694ef726482b7858c337eada768457ca973ee43a1379f1", kill_on_drop: false }`
[INFO] [stdout] 62c9e31ad703ab86d4694ef726482b7858c337eada768457ca973ee43a1379f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9085b49e112b621a6b3041e9bc7526b478606c92be4808164bde0094795ae754
[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" "9085b49e112b621a6b3041e9bc7526b478606c92be4808164bde0094795ae754", kill_on_drop: false }`
[INFO] [stderr]    Compiling r2d2 v0.8.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:559:37
[INFO] [stdout]     |
[INFO] [stdout] 559 |         fmt.write_str(error::Error::description(self))?;
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:559:37
[INFO] [stdout]     |
[INFO] [stdout] 559 |         fmt.write_str(error::Error::description(self))?;
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/test.rs:167:27
[INFO] [stdout]     |
[INFO] [stdout] 167 |             if self.first.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "9085b49e112b621a6b3041e9bc7526b478606c92be4808164bde0094795ae754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9085b49e112b621a6b3041e9bc7526b478606c92be4808164bde0094795ae754", kill_on_drop: false }`
[INFO] [stdout] 9085b49e112b621a6b3041e9bc7526b478606c92be4808164bde0094795ae754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 6061eb3cf35262e54526d777759e0f5f9b8fa03b28048226bb0f083f83d7d88f
[INFO] running `Command { std: "docker" "start" "-a" "6061eb3cf35262e54526d777759e0f5f9b8fa03b28048226bb0f083f83d7d88f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] running 18 tests
[INFO] [stderr]    --> src/lib.rs:559:37
[INFO] [stderr]     |
[INFO] [stderr] 559 |         fmt.write_str(error::Error::description(self))?;
[INFO] [stderr]     |                                     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/test.rs:167:27
[INFO] [stderr]     |
[INFO] [stderr] 167 |             if self.first.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `r2d2` (lib) generated 1 warning
[INFO] [stderr] warning: `r2d2` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r2d2-8a5074d1238d4a25)
[INFO] [stdout] test test::extensions ... ok
[INFO] [stdout] test test::test_is_send_sync ... ok
[INFO] [stdout] test test::conns_drop_on_pool_drop ... ok
[INFO] [stdout] test test::test_drop_on_broken ... ok
[INFO] [stdout] test test::test_acquire_release ... ok
[INFO] [stdout] test test::test_max_size_ok ... ok
[INFO] [stdout] test test::test_issue_2_unlocked_during_is_valid ... ok
[INFO] [stdout] test test::try_get ... ok
[INFO] [stdout] test test::events ... ok
[INFO] [stdout] test test::get_timeout ... ok
[INFO] [stdout] test test::test_connection_customizer ... ok
[INFO] [stdout] test test::test_initialization_failure ... ok
[INFO] [stdout] test test::test_get_global_timeout ... ok
[INFO] [stdout] test test::test_lazy_initialization_failure ... ok
[INFO] [stdout] test test::idle_timeout_partial_use ... ok
[INFO] [stdout] test test::min_idle ... ok
[INFO] [stdout] test test::test_idle_timeout ... ok
[INFO] [stdout] test test::test_max_lifetime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r2d2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6061eb3cf35262e54526d777759e0f5f9b8fa03b28048226bb0f083f83d7d88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6061eb3cf35262e54526d777759e0f5f9b8fa03b28048226bb0f083f83d7d88f", kill_on_drop: false }`
[INFO] [stdout] 6061eb3cf35262e54526d777759e0f5f9b8fa03b28048226bb0f083f83d7d88f