[INFO] crate tower-grpc 0.1.1 is already in cache
[INFO] checking tower-grpc-0.1.1 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate tower-grpc 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tower-grpc 0.1.1 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tower-grpc 0.1.1
[INFO] finished tweaking crates.io crate tower-grpc 0.1.1
[INFO] tweaked toml for crates.io crate tower-grpc 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] c2b77999c815abf8b6780c60df63f63cfb00035c1ea95aab8310432924d4cb7a
[INFO] running `"docker" "start" "-a" "c2b77999c815abf8b6780c60df63f63cfb00035c1ea95aab8310432924d4cb7a"`
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tower-grpc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/metadata/encoding.rs:180:14
[INFO] [stderr]     |
[INFO] [stderr] 180 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/metadata/encoding.rs:211:16
[INFO] [stderr]     |
[INFO] [stderr] 211 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/metadata/key.rs:270:14
[INFO] [stderr]     |
[INFO] [stderr] 270 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/metadata/encoding.rs:180:14
[INFO] [stderr]     |
[INFO] [stderr] 180 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:5:24
[INFO] [stderr]     |
[INFO] [stderr] 5   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/metadata/encoding.rs:211:16
[INFO] [stderr]     |
[INFO] [stderr] 211 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/metadata/key.rs:270:14
[INFO] [stderr]     |
[INFO] [stderr] 270 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/metadata/value.rs:531:14
[INFO] [stderr]     |
[INFO] [stderr] 531 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/metadata/value.rs:531:14
[INFO] [stderr]     |
[INFO] [stderr] 531 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tower-grpc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c2b77999c815abf8b6780c60df63f63cfb00035c1ea95aab8310432924d4cb7a"`
[INFO] running `"docker" "rm" "-f" "c2b77999c815abf8b6780c60df63f63cfb00035c1ea95aab8310432924d4cb7a"`
[INFO] [stdout] c2b77999c815abf8b6780c60df63f63cfb00035c1ea95aab8310432924d4cb7a