[INFO] fetching crate webscale_plugin 0.1.0...
[INFO] checking webscale_plugin-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate webscale_plugin 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate webscale_plugin 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webscale_plugin 0.1.0
[INFO] finished tweaking crates.io crate webscale_plugin 0.1.0
[INFO] tweaked toml for crates.io crate webscale_plugin 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9691022c046bfd593525412c8558daf3b5ae94134f872335cc53768d7fb9ee24
[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" "9691022c046bfd593525412c8558daf3b5ae94134f872335cc53768d7fb9ee24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9691022c046bfd593525412c8558daf3b5ae94134f872335cc53768d7fb9ee24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9691022c046bfd593525412c8558daf3b5ae94134f872335cc53768d7fb9ee24", kill_on_drop: false }`
[INFO] [stdout] 9691022c046bfd593525412c8558daf3b5ae94134f872335cc53768d7fb9ee24
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e24ead6145a3bc419808d12c8e51d4ecb10750c247f89503070e94981fc23ef
[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" "9e24ead6145a3bc419808d12c8e51d4ecb10750c247f89503070e94981fc23ef", kill_on_drop: false }`
[INFO] [stderr]     Checking webscale_plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn on_connect(&self, &Link);
[INFO] [stdout]    |                           ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn on_disconnect(&self, &Link);
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn on_message(&self, &Link, &str, &str);
[INFO] [stdout]    |                           ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn on_action(&self, &Link, &str, &str);
[INFO] [stdout]    |                          ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn on_join(&self, &Link, &str);
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn on_leave(&self, &Link, &str);
[INFO] [stdout]    |                         ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn on_connect(&self, &Link);
[INFO] [stdout]    |                           ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn on_disconnect(&self, &Link);
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn on_message(&self, &Link, &str, &str);
[INFO] [stdout]    |                           ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn on_action(&self, &Link, &str, &str);
[INFO] [stdout]    |                          ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn on_join(&self, &Link, &str);
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn on_leave(&self, &Link, &str);
[INFO] [stdout]    |                         ^^^^ help: use `dyn`: `dyn Link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9e24ead6145a3bc419808d12c8e51d4ecb10750c247f89503070e94981fc23ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e24ead6145a3bc419808d12c8e51d4ecb10750c247f89503070e94981fc23ef", kill_on_drop: false }`
[INFO] [stdout] 9e24ead6145a3bc419808d12c8e51d4ecb10750c247f89503070e94981fc23ef