[INFO] fetching crate gypsy 0.0.0...
[INFO] testing gypsy-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate gypsy 0.0.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate gypsy 0.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gypsy 0.0.0
[INFO] finished tweaking crates.io crate gypsy 0.0.0
[INFO] tweaked toml for crates.io crate gypsy 0.0.0 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94f6aacd5e22bfce7aac74a22fabafba5f202e0c880bf4bb8dacde1c216a7e93
[INFO] running `Command { std: "docker" "start" "-a" "94f6aacd5e22bfce7aac74a22fabafba5f202e0c880bf4bb8dacde1c216a7e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94f6aacd5e22bfce7aac74a22fabafba5f202e0c880bf4bb8dacde1c216a7e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f6aacd5e22bfce7aac74a22fabafba5f202e0c880bf4bb8dacde1c216a7e93", kill_on_drop: false }`
[INFO] [stdout] 94f6aacd5e22bfce7aac74a22fabafba5f202e0c880bf4bb8dacde1c216a7e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0ba16bfc730068b6ffc2ab1806cb87e2facbf706096319d3e4650bc1b78a351
[INFO] running `Command { std: "docker" "start" "-a" "f0ba16bfc730068b6ffc2ab1806cb87e2facbf706096319d3e4650bc1b78a351", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gypsy v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "f0ba16bfc730068b6ffc2ab1806cb87e2facbf706096319d3e4650bc1b78a351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ba16bfc730068b6ffc2ab1806cb87e2facbf706096319d3e4650bc1b78a351", kill_on_drop: false }`
[INFO] [stdout] f0ba16bfc730068b6ffc2ab1806cb87e2facbf706096319d3e4650bc1b78a351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad81ad9d70c39f2cce7a6eeb640550db49a92335544113544b781ff62b52b47d
[INFO] running `Command { std: "docker" "start" "-a" "ad81ad9d70c39f2cce7a6eeb640550db49a92335544113544b781ff62b52b47d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gypsy v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `greeter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `examples/greeter.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gypsy` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad81ad9d70c39f2cce7a6eeb640550db49a92335544113544b781ff62b52b47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad81ad9d70c39f2cce7a6eeb640550db49a92335544113544b781ff62b52b47d", kill_on_drop: false }`
[INFO] [stdout] ad81ad9d70c39f2cce7a6eeb640550db49a92335544113544b781ff62b52b47d