[INFO] fetching crate vibha 0.1.1...
[INFO] checking vibha-0.1.1 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate vibha 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vibha 0.1.1 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vibha 0.1.1
[INFO] finished tweaking crates.io crate vibha 0.1.1
[INFO] tweaked toml for crates.io crate vibha 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5c62a98646d0deea1424a8d71d03c68c0868fd8dc10c3f7516033bc69c97c93
[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" "f5c62a98646d0deea1424a8d71d03c68c0868fd8dc10c3f7516033bc69c97c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c62a98646d0deea1424a8d71d03c68c0868fd8dc10c3f7516033bc69c97c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c62a98646d0deea1424a8d71d03c68c0868fd8dc10c3f7516033bc69c97c93", kill_on_drop: false }`
[INFO] [stdout] f5c62a98646d0deea1424a8d71d03c68c0868fd8dc10c3f7516033bc69c97c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 063f7c9febf2264af120af82f99a4f0e24daf55fd312e12efab2ed34ab7b820f
[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" "063f7c9febf2264af120af82f99a4f0e24daf55fd312e12efab2ed34ab7b820f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking randomize v0.890.0
[INFO] [stderr]     Checking trivial_colours v0.3.0
[INFO] [stderr]     Checking vibha v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking linefeed v0.4.0
[INFO] [stdout] error[E0601]: `main` function not found in crate `vibha_dev_runner`
[INFO] [stdout]    --> examples/vibha-dev-runner.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![cfg(windows)]
[INFO] [stdout] 2   | | #![forbid(missing_debug_implementations)]
[INFO] [stdout] 3   | | #![allow(non_upper_case_globals)]
[INFO] [stdout] 4   | |
[INFO] [stdout] ...   |
[INFO] [stdout] 328 | |   println!("\nExiting...");
[INFO] [stdout] 329 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `examples/vibha-dev-runner.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 `vibha`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "063f7c9febf2264af120af82f99a4f0e24daf55fd312e12efab2ed34ab7b820f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063f7c9febf2264af120af82f99a4f0e24daf55fd312e12efab2ed34ab7b820f", kill_on_drop: false }`
[INFO] [stdout] 063f7c9febf2264af120af82f99a4f0e24daf55fd312e12efab2ed34ab7b820f