[INFO] crate r2d2 0.8.8 is already in cache
[INFO] testing r2d2-0.8.8 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate r2d2 0.8.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate r2d2 0.8.8 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate r2d2 0.8.8
[INFO] finished tweaking crates.io crate r2d2 0.8.8
[INFO] tweaked toml for crates.io crate r2d2 0.8.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5fbb6bf6ebb860356063bf14ea516a6c1985abdb0bc3823cb16623f02164a9e7
[INFO] running `"docker" "start" "-a" "5fbb6bf6ebb860356063bf14ea516a6c1985abdb0bc3823cb16623f02164a9e7"`
[INFO] [stderr]    Compiling r2d2 v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:559:23
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "5fbb6bf6ebb860356063bf14ea516a6c1985abdb0bc3823cb16623f02164a9e7"`
[INFO] running `"docker" "rm" "-f" "5fbb6bf6ebb860356063bf14ea516a6c1985abdb0bc3823cb16623f02164a9e7"`
[INFO] [stdout] 5fbb6bf6ebb860356063bf14ea516a6c1985abdb0bc3823cb16623f02164a9e7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a04229144a4b5ebdeefe03e2eaae8f34243c2a5fb3710a3322ff6a8daf4243ac
[INFO] running `"docker" "start" "-a" "a04229144a4b5ebdeefe03e2eaae8f34243c2a5fb3710a3322ff6a8daf4243ac"`
[INFO] [stderr]    Compiling r2d2 v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:559:23
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:559:23
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `"docker" "inspect" "a04229144a4b5ebdeefe03e2eaae8f34243c2a5fb3710a3322ff6a8daf4243ac"`
[INFO] running `"docker" "rm" "-f" "a04229144a4b5ebdeefe03e2eaae8f34243c2a5fb3710a3322ff6a8daf4243ac"`
[INFO] [stdout] a04229144a4b5ebdeefe03e2eaae8f34243c2a5fb3710a3322ff6a8daf4243ac
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b99cb26770b57162c18b427d45eb1d5665cf86a4df87481eaa9c565d4795c3c
[INFO] running `"docker" "start" "-a" "4b99cb26770b57162c18b427d45eb1d5665cf86a4df87481eaa9c565d4795c3c"`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:559:23
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:559:23
[INFO] [stdout] running 18 tests
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r2d2-077dcac7b170ea94
[INFO] [stdout] test test::extensions ... ok
[INFO] [stdout] test test::test_acquire_release ... ok
[INFO] [stdout] test test::conns_drop_on_pool_drop ... 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_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
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4b99cb26770b57162c18b427d45eb1d5665cf86a4df87481eaa9c565d4795c3c"`
[INFO] running `"docker" "rm" "-f" "4b99cb26770b57162c18b427d45eb1d5665cf86a4df87481eaa9c565d4795c3c"`
[INFO] [stdout] 4b99cb26770b57162c18b427d45eb1d5665cf86a4df87481eaa9c565d4795c3c