[INFO] fetching crate sake 0.0.1...
[INFO] testing sake-0.0.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate sake 0.0.1 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate sake 0.0.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sake 0.0.1
[INFO] finished tweaking crates.io crate sake 0.0.1
[INFO] tweaked toml for crates.io crate sake 0.0.1 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate crates.io crate sake 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cdae08d25eea138331f285accd46a20dc5a8d1d26f3c180d5d9017766bdd88a
[INFO] running `Command { std: "docker" "start" "-a" "8cdae08d25eea138331f285accd46a20dc5a8d1d26f3c180d5d9017766bdd88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cdae08d25eea138331f285accd46a20dc5a8d1d26f3c180d5d9017766bdd88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdae08d25eea138331f285accd46a20dc5a8d1d26f3c180d5d9017766bdd88a", kill_on_drop: false }`
[INFO] [stdout] 8cdae08d25eea138331f285accd46a20dc5a8d1d26f3c180d5d9017766bdd88a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d7472f1d686fef427137296968bd63a3b7358f98c9b59561981d9da33f0efd
[INFO] running `Command { std: "docker" "start" "-a" "37d7472f1d686fef427137296968bd63a3b7358f98c9b59561981d9da33f0efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling sake v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "37d7472f1d686fef427137296968bd63a3b7358f98c9b59561981d9da33f0efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d7472f1d686fef427137296968bd63a3b7358f98c9b59561981d9da33f0efd", kill_on_drop: false }`
[INFO] [stdout] 37d7472f1d686fef427137296968bd63a3b7358f98c9b59561981d9da33f0efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f07b3307f9d378d76c36aee2220526b2a7e2c64835f5ca7d8337e744e2b99a0
[INFO] running `Command { std: "docker" "start" "-a" "1f07b3307f9d378d76c36aee2220526b2a7e2c64835f5ca7d8337e744e2b99a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sake v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `example`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `examples/example.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 `sake` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1f07b3307f9d378d76c36aee2220526b2a7e2c64835f5ca7d8337e744e2b99a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f07b3307f9d378d76c36aee2220526b2a7e2c64835f5ca7d8337e744e2b99a0", kill_on_drop: false }`
[INFO] [stdout] 1f07b3307f9d378d76c36aee2220526b2a7e2c64835f5ca7d8337e744e2b99a0
