[INFO] fetching crate r2d2 0.8.10...
[INFO] testing r2d2-0.8.10 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate r2d2 0.8.10 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate r2d2 0.8.10
[INFO] finished tweaking crates.io crate r2d2 0.8.10
[INFO] tweaked toml for crates.io crate r2d2 0.8.10 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r2d2 0.8.10 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f67ea39e1366662a53bf971353fa932855393293da3aa82f86027607f1efb3f
[INFO] running `Command { std: "docker" "start" "-a" "2f67ea39e1366662a53bf971353fa932855393293da3aa82f86027607f1efb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f67ea39e1366662a53bf971353fa932855393293da3aa82f86027607f1efb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f67ea39e1366662a53bf971353fa932855393293da3aa82f86027607f1efb3f", kill_on_drop: false }`
[INFO] [stdout] 2f67ea39e1366662a53bf971353fa932855393293da3aa82f86027607f1efb3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f1327b0cf957a1c70931bc4c3021ffe66272a575b3e7e924b2e621350924db5
[INFO] running `Command { std: "docker" "start" "-a" "5f1327b0cf957a1c70931bc4c3021ffe66272a575b3e7e924b2e621350924db5", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.7
[INFO] [stderr]    Compiling r2d2 v0.8.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `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 `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stdout]    --> src/config.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |             None => Arc::new(ScheduledThreadPool::with_name("r2d2-worker-{}", 3)),
[INFO] [stdout]     |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "5f1327b0cf957a1c70931bc4c3021ffe66272a575b3e7e924b2e621350924db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1327b0cf957a1c70931bc4c3021ffe66272a575b3e7e924b2e621350924db5", kill_on_drop: false }`
[INFO] [stdout] 5f1327b0cf957a1c70931bc4c3021ffe66272a575b3e7e924b2e621350924db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d01ad6a0fafd8a6458880112fb43441c73f69f98ec92d9f59b7d1ceab11becb7
[INFO] running `Command { std: "docker" "start" "-a" "d01ad6a0fafd8a6458880112fb43441c73f69f98ec92d9f59b7d1ceab11becb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling r2d2 v0.8.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `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 `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stdout]    --> src/config.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |             None => Arc::new(ScheduledThreadPool::with_name("r2d2-worker-{}", 3)),
[INFO] [stdout]     |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `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 `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stdout]    --> src/config.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |             None => Arc::new(ScheduledThreadPool::with_name("r2d2-worker-{}", 3)),
[INFO] [stdout]     |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.91s
[INFO] running `Command { std: "docker" "inspect" "d01ad6a0fafd8a6458880112fb43441c73f69f98ec92d9f59b7d1ceab11becb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01ad6a0fafd8a6458880112fb43441c73f69f98ec92d9f59b7d1ceab11becb7", kill_on_drop: false }`
[INFO] [stdout] d01ad6a0fafd8a6458880112fb43441c73f69f98ec92d9f59b7d1ceab11becb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c5d6b7a0dfacb57f3ad41c346f98b9f21f28ea293d8a1a092621d2d68b0269c
[INFO] running `Command { std: "docker" "start" "-a" "2c5d6b7a0dfacb57f3ad41c346f98b9f21f28ea293d8a1a092621d2d68b0269c", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[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 `scheduled_thread_pool::ScheduledThreadPool::with_name`: use ScheduledThreadPool::builder
[INFO] [stderr]    --> src/config.rs:250:51
[INFO] [stderr]     |
[INFO] [stderr] 250 |             None => Arc::new(ScheduledThreadPool::with_name("r2d2-worker-{}", 3)),
[INFO] [stderr]     |                                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `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 2 warnings
[INFO] [stderr] warning: `r2d2` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r2d2-83c270cf9e2185f9)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test::test_acquire_release ... ok
[INFO] [stdout] test test::conns_drop_on_pool_drop ... ok
[INFO] [stdout] test test::extensions ... ok
[INFO] [stdout] test test::test_drop_on_broken ... ok
[INFO] [stdout] test test::events ... ok
[INFO] [stdout] test test::test_is_send_sync ... ok
[INFO] [stdout] test test::test_issue_2_unlocked_during_is_valid ... ok
[INFO] [stdout] test test::get_timeout ... ok
[INFO] [stdout] test test::test_connection_customizer ... ok
[INFO] [stdout] test test::test_max_size_ok ... ok
[INFO] [stdout] test test::try_get ... ok
[INFO] [stdout] test test::test_get_global_timeout ... ok
[INFO] [stdout] test test::test_initialization_failure ... 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 5.19s
[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" "2c5d6b7a0dfacb57f3ad41c346f98b9f21f28ea293d8a1a092621d2d68b0269c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5d6b7a0dfacb57f3ad41c346f98b9f21f28ea293d8a1a092621d2d68b0269c", kill_on_drop: false }`
[INFO] [stdout] 2c5d6b7a0dfacb57f3ad41c346f98b9f21f28ea293d8a1a092621d2d68b0269c