[INFO] cloning repository https://github.com/gasuketsu/rust-pingpong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gasuketsu/rust-pingpong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgasuketsu%2Frust-pingpong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgasuketsu%2Frust-pingpong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a16c2b95dadff2661d64b40133993643d97a4e5
[INFO] checking gasuketsu/rust-pingpong against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgasuketsu%2Frust-pingpong" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gasuketsu/rust-pingpong on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gasuketsu/rust-pingpong
[INFO] finished tweaking git repo https://github.com/gasuketsu/rust-pingpong
[INFO] tweaked toml for git repo https://github.com/gasuketsu/rust-pingpong written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/gasuketsu/rust-pingpong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8808dc2dce03cbb704f9f2dff3258020d6430275cacc6a72f914da2bc28f4b4c
[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" "8808dc2dce03cbb704f9f2dff3258020d6430275cacc6a72f914da2bc28f4b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8808dc2dce03cbb704f9f2dff3258020d6430275cacc6a72f914da2bc28f4b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8808dc2dce03cbb704f9f2dff3258020d6430275cacc6a72f914da2bc28f4b4c", kill_on_drop: false }`
[INFO] [stdout] 8808dc2dce03cbb704f9f2dff3258020d6430275cacc6a72f914da2bc28f4b4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3ffac0f287b25981a5321947bb51a656ed60db0a3b98bbc7b45c48bf99a73bc
[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" "e3ffac0f287b25981a5321947bb51a656ed60db0a3b98bbc7b45c48bf99a73bc", kill_on_drop: false }`
[INFO] [stderr]     Checking pingpong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/pingpong.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next_state(self: Box<Self>) -> Box<State>;
[INFO] [stdout]   |                                           ^^^^^ help: use `dyn`: `dyn State`
[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/pingpong.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn next_state(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                           ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pingpong.rs:20:36
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Box::new(PongState) as Box<State>
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pingpong.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn next_state(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                           ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pingpong.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Box::new(PingState) as Box<State>
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:4:54
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut s = Box::new(pingpong::PingState) as Box<pingpong::State>;
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn pingpong::State`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/pingpong.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next_state(self: Box<Self>) -> Box<State>;
[INFO] [stdout]   |                                           ^^^^^ help: use `dyn`: `dyn State`
[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/pingpong.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn next_state(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                           ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pingpong.rs:20:36
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Box::new(PongState) as Box<State>
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pingpong.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn next_state(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                           ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pingpong.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Box::new(PingState) as Box<State>
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:4:54
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut s = Box::new(pingpong::PingState) as Box<pingpong::State>;
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn pingpong::State`
[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 1.00s
[INFO] running `Command { std: "docker" "inspect" "e3ffac0f287b25981a5321947bb51a656ed60db0a3b98bbc7b45c48bf99a73bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ffac0f287b25981a5321947bb51a656ed60db0a3b98bbc7b45c48bf99a73bc", kill_on_drop: false }`
[INFO] [stdout] e3ffac0f287b25981a5321947bb51a656ed60db0a3b98bbc7b45c48bf99a73bc