[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 try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgasuketsu%2Frust-pingpong" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gasuketsu/rust-pingpong on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 363705ee0f9428e06f280c68e0b478600fe77e5d8108dfe520c0b2cc71a99bff
[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" "363705ee0f9428e06f280c68e0b478600fe77e5d8108dfe520c0b2cc71a99bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "363705ee0f9428e06f280c68e0b478600fe77e5d8108dfe520c0b2cc71a99bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363705ee0f9428e06f280c68e0b478600fe77e5d8108dfe520c0b2cc71a99bff", kill_on_drop: false }`
[INFO] [stdout] 363705ee0f9428e06f280c68e0b478600fe77e5d8108dfe520c0b2cc71a99bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae23bf2fdaaf25e719e4426b4dbd09f55e5c9a5247aad9860d1ba2e5a35b1547
[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" "ae23bf2fdaaf25e719e4426b4dbd09f55e5c9a5247aad9860d1ba2e5a35b1547", 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 0.42s
[INFO] running `Command { std: "docker" "inspect" "ae23bf2fdaaf25e719e4426b4dbd09f55e5c9a5247aad9860d1ba2e5a35b1547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae23bf2fdaaf25e719e4426b4dbd09f55e5c9a5247aad9860d1ba2e5a35b1547", kill_on_drop: false }`
[INFO] [stdout] ae23bf2fdaaf25e719e4426b4dbd09f55e5c9a5247aad9860d1ba2e5a35b1547