[INFO] cloning repository https://github.com/JdVashuu/Chatapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JdVashuu/Chatapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJdVashuu%2FChatapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJdVashuu%2FChatapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84e1a8cbe1707bf73c18d20455c15f06f4bbd9c6
[INFO] checking JdVashuu/Chatapp against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJdVashuu%2FChatapp" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JdVashuu/Chatapp
[INFO] finished tweaking git repo https://github.com/JdVashuu/Chatapp
[INFO] tweaked toml for git repo https://github.com/JdVashuu/Chatapp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JdVashuu/Chatapp on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JdVashuu/Chatapp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d81557c5cd55f70b6d25e18237be6e030873848f1a82a858178afa19453b2ae
[INFO] running `Command { std: "docker" "start" "-a" "3d81557c5cd55f70b6d25e18237be6e030873848f1a82a858178afa19453b2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d81557c5cd55f70b6d25e18237be6e030873848f1a82a858178afa19453b2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d81557c5cd55f70b6d25e18237be6e030873848f1a82a858178afa19453b2ae", kill_on_drop: false }`
[INFO] [stdout] 3d81557c5cd55f70b6d25e18237be6e030873848f1a82a858178afa19453b2ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6b0073b4f38bb00180da66d8d6b43d24c6f7788b22e6e3dcd3273bace4cb4de
[INFO] running `Command { std: "docker" "start" "-a" "e6b0073b4f38bb00180da66d8d6b43d24c6f7788b22e6e3dcd3273bace4cb4de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking ChatApp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `System` is never constructed
[INFO] [stdout]   --> src/bin/server.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum MessageType {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 19 |     Chat,
[INFO] [stdout] 20 |     System,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MessageType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `System` is never constructed
[INFO] [stdout]   --> src/bin/server.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum MessageType {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 19 |     Chat,
[INFO] [stdout] 20 |     System,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MessageType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "e6b0073b4f38bb00180da66d8d6b43d24c6f7788b22e6e3dcd3273bace4cb4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b0073b4f38bb00180da66d8d6b43d24c6f7788b22e6e3dcd3273bace4cb4de", kill_on_drop: false }`
[INFO] [stdout] e6b0073b4f38bb00180da66d8d6b43d24c6f7788b22e6e3dcd3273bace4cb4de