[INFO] fetching crate r2d2-memcache 0.4.0...
[INFO] checking r2d2-memcache-0.4.0 against try#d9c49acb7b15e0b6e1b797982100ad6c5d1424a2 for pr-63809
[INFO] extracting crate r2d2-memcache 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate r2d2-memcache 0.4.0 on toolchain d9c49acb7b15e0b6e1b797982100ad6c5d1424a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d9c49acb7b15e0b6e1b797982100ad6c5d1424a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate r2d2-memcache 0.4.0
[INFO] finished tweaking crates.io crate r2d2-memcache 0.4.0
[INFO] tweaked toml for crates.io crate r2d2-memcache 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d9c49acb7b15e0b6e1b797982100ad6c5d1424a2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d9c49acb7b15e0b6e1b797982100ad6c5d1424a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memcache v0.13.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d9c49acb7b15e0b6e1b797982100ad6c5d1424a2" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb3a8e0e247fab38a303645a4c5727831684fb47bea22c7006785d1ecef901e5
[INFO] running `"docker" "start" "-a" "eb3a8e0e247fab38a303645a4c5727831684fb47bea22c7006785d1ecef901e5"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling once_cell v1.2.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.2
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]    Compiling enum_dispatch v0.1.5
[INFO] [stderr]     Checking memcache v0.13.1
[INFO] [stderr]     Checking r2d2-memcache v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |         match self.cause() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:32:42
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Error::Other(ref err) => err.cause(),
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |         match self.cause() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:32:42
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Error::Other(ref err) => err.cause(),
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.15s
[INFO] running `"docker" "inspect" "eb3a8e0e247fab38a303645a4c5727831684fb47bea22c7006785d1ecef901e5"`
[INFO] running `"docker" "rm" "-f" "eb3a8e0e247fab38a303645a4c5727831684fb47bea22c7006785d1ecef901e5"`
[INFO] [stdout] eb3a8e0e247fab38a303645a4c5727831684fb47bea22c7006785d1ecef901e5