[INFO] crate gypsy 0.0.0 is already in cache
[INFO] testing gypsy-0.0.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate gypsy 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gypsy 0.0.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8a066f2124e0252bd9fce5784aa25649fe77b20186ad37c8ea9b0b37c772150
[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" "b8a066f2124e0252bd9fce5784aa25649fe77b20186ad37c8ea9b0b37c772150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8a066f2124e0252bd9fce5784aa25649fe77b20186ad37c8ea9b0b37c772150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a066f2124e0252bd9fce5784aa25649fe77b20186ad37c8ea9b0b37c772150", kill_on_drop: false }`
[INFO] [stdout] b8a066f2124e0252bd9fce5784aa25649fe77b20186ad37c8ea9b0b37c772150
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0226fbd1ddb60809396424f657e3a2fb3876d0ad6e030d4e2ce1a0b3940c77b5
[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" "0226fbd1ddb60809396424f657e3a2fb3876d0ad6e030d4e2ce1a0b3940c77b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling gypsy v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "0226fbd1ddb60809396424f657e3a2fb3876d0ad6e030d4e2ce1a0b3940c77b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0226fbd1ddb60809396424f657e3a2fb3876d0ad6e030d4e2ce1a0b3940c77b5", kill_on_drop: false }`
[INFO] [stdout] 0226fbd1ddb60809396424f657e3a2fb3876d0ad6e030d4e2ce1a0b3940c77b5
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f7c0d3110675332f2a601c9feed98403af5c31afe2c72134c96155789ce3ce5
[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" "4f7c0d3110675332f2a601c9feed98403af5c31afe2c72134c96155789ce3ce5", 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`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[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" "4f7c0d3110675332f2a601c9feed98403af5c31afe2c72134c96155789ce3ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7c0d3110675332f2a601c9feed98403af5c31afe2c72134c96155789ce3ce5", kill_on_drop: false }`
[INFO] [stdout] 4f7c0d3110675332f2a601c9feed98403af5c31afe2c72134c96155789ce3ce5