[INFO] fetching crate cmd_wrk_parser 0.0.1...
[INFO] testing cmd_wrk_parser-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cmd_wrk_parser 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cmd_wrk_parser 0.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmd_wrk_parser 0.0.1
[INFO] finished tweaking crates.io crate cmd_wrk_parser 0.0.1
[INFO] tweaked toml for crates.io crate cmd_wrk_parser 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08d6a2585da97d1eef4d33d94737045d1fe657515af61f301e1116e02ab1d933
[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" "08d6a2585da97d1eef4d33d94737045d1fe657515af61f301e1116e02ab1d933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08d6a2585da97d1eef4d33d94737045d1fe657515af61f301e1116e02ab1d933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d6a2585da97d1eef4d33d94737045d1fe657515af61f301e1116e02ab1d933", kill_on_drop: false }`
[INFO] [stdout] 08d6a2585da97d1eef4d33d94737045d1fe657515af61f301e1116e02ab1d933
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5413dde0cdc0698e0a1b8ddd403355e489d89ccb41078b6ba74bd47ed72cb435
[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" "5413dde0cdc0698e0a1b8ddd403355e489d89ccb41078b6ba74bd47ed72cb435", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling cmd_wrk_parser v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:97:45
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn from_clap_app(app: clap::App) -> Parser {
[INFO] [stdout]    |            -------------                    ^^^^^^ expected struct `Parser`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cmd_wrk_parser`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5413dde0cdc0698e0a1b8ddd403355e489d89ccb41078b6ba74bd47ed72cb435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5413dde0cdc0698e0a1b8ddd403355e489d89ccb41078b6ba74bd47ed72cb435", kill_on_drop: false }`
[INFO] [stdout] 5413dde0cdc0698e0a1b8ddd403355e489d89ccb41078b6ba74bd47ed72cb435