[INFO] fetching crate vibha 0.1.1...
[INFO] testing vibha-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate vibha 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate vibha 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ole32-sys v0.2.0
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded nix v0.7.0
[INFO] [stderr]   Downloaded shell32-sys v0.1.2
[INFO] [stderr]   Downloaded trivial_colours v0.3.0
[INFO] [stderr]   Downloaded linefeed v0.4.0
[INFO] [stderr]   Downloaded randomize v0.890.0
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 517e6320f92336bd9dca3ac80bf3cdede4d720ead1c21a5457223cda9541fb15
[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" "517e6320f92336bd9dca3ac80bf3cdede4d720ead1c21a5457223cda9541fb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "517e6320f92336bd9dca3ac80bf3cdede4d720ead1c21a5457223cda9541fb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517e6320f92336bd9dca3ac80bf3cdede4d720ead1c21a5457223cda9541fb15", kill_on_drop: false }`
[INFO] [stdout] 517e6320f92336bd9dca3ac80bf3cdede4d720ead1c21a5457223cda9541fb15
[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=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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a94e89c5c31b14b1291ef83802b721b2e5e9c448c8eee19fb1faad88161306b6
[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" "a94e89c5c31b14b1291ef83802b721b2e5e9c448c8eee19fb1faad88161306b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling vibha v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "a94e89c5c31b14b1291ef83802b721b2e5e9c448c8eee19fb1faad88161306b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94e89c5c31b14b1291ef83802b721b2e5e9c448c8eee19fb1faad88161306b6", kill_on_drop: false }`
[INFO] [stdout] a94e89c5c31b14b1291ef83802b721b2e5e9c448c8eee19fb1faad88161306b6
[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=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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde6a40dbea9f87851b895f496b415ea87e0a63005e7d019dd07e626c0fb895a
[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" "fde6a40dbea9f87851b895f496b415ea87e0a63005e7d019dd07e626c0fb895a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling randomize v0.890.0
[INFO] [stderr]    Compiling trivial_colours v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling linefeed v0.4.0
[INFO] [stderr]    Compiling vibha v0.1.1 (/opt/rustwide/workdir)
[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" "fde6a40dbea9f87851b895f496b415ea87e0a63005e7d019dd07e626c0fb895a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde6a40dbea9f87851b895f496b415ea87e0a63005e7d019dd07e626c0fb895a", kill_on_drop: false }`
[INFO] [stdout] fde6a40dbea9f87851b895f496b415ea87e0a63005e7d019dd07e626c0fb895a