[INFO] fetching crate freeswitchrs 0.1.1...
[INFO] checking freeswitchrs-0.1.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate freeswitchrs 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate freeswitchrs 0.1.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freeswitchrs 0.1.1
[INFO] finished tweaking crates.io crate freeswitchrs 0.1.1
[INFO] tweaked toml for crates.io crate freeswitchrs 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7cb5a55c34c5e4dacf395a04fd2d607cfa3c2e8709879d4efeed08a9ab337bd
[INFO] running `Command { std: "docker" "start" "-a" "a7cb5a55c34c5e4dacf395a04fd2d607cfa3c2e8709879d4efeed08a9ab337bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7cb5a55c34c5e4dacf395a04fd2d607cfa3c2e8709879d4efeed08a9ab337bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cb5a55c34c5e4dacf395a04fd2d607cfa3c2e8709879d4efeed08a9ab337bd", kill_on_drop: false }`
[INFO] [stdout] a7cb5a55c34c5e4dacf395a04fd2d607cfa3c2e8709879d4efeed08a9ab337bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 486d9401e0b998016ba5a9f30abac92f8c38ee67e4bcde96ec7b629179bf50c6
[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" "486d9401e0b998016ba5a9f30abac92f8c38ee67e4bcde96ec7b629179bf50c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking freeswitchrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `mod_skelr`
[INFO] [stdout]   --> examples/mod_skelr.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #[macro_use]
[INFO] [stdout] 2  | | extern crate freeswitchrs;
[INFO] [stdout] 3  | |
[INFO] [stdout] 4  | | use freeswitchrs::raw as fsr;
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     fsr::status::SUCCESS
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/mod_skelr.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `freeswitchrs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "486d9401e0b998016ba5a9f30abac92f8c38ee67e4bcde96ec7b629179bf50c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486d9401e0b998016ba5a9f30abac92f8c38ee67e4bcde96ec7b629179bf50c6", kill_on_drop: false }`
[INFO] [stdout] 486d9401e0b998016ba5a9f30abac92f8c38ee67e4bcde96ec7b629179bf50c6