[INFO] crate blockcounter 0.3.2 is already in cache
[INFO] testing blockcounter-0.3.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate blockcounter 0.3.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate blockcounter 0.3.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blockcounter 0.3.2
[INFO] finished tweaking crates.io crate blockcounter 0.3.2
[INFO] tweaked toml for crates.io crate blockcounter 0.3.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89390404d067f51d3ced02c6f8f8f9ad28fa74bda839289ceb435ff154293b5c
[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" "89390404d067f51d3ced02c6f8f8f9ad28fa74bda839289ceb435ff154293b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89390404d067f51d3ced02c6f8f8f9ad28fa74bda839289ceb435ff154293b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89390404d067f51d3ced02c6f8f8f9ad28fa74bda839289ceb435ff154293b5c", kill_on_drop: false }`
[INFO] [stdout] 89390404d067f51d3ced02c6f8f8f9ad28fa74bda839289ceb435ff154293b5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e46253d7ff4172b033a2289500f104451dcbd6d1a74e55803059f79d400645
[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" "b0e46253d7ff4172b033a2289500f104451dcbd6d1a74e55803059f79d400645", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockcounter v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "b0e46253d7ff4172b033a2289500f104451dcbd6d1a74e55803059f79d400645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e46253d7ff4172b033a2289500f104451dcbd6d1a74e55803059f79d400645", kill_on_drop: false }`
[INFO] [stdout] b0e46253d7ff4172b033a2289500f104451dcbd6d1a74e55803059f79d400645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02bf4a05c6635d6e847d22978a820d77725455f9d3447c01f9f0f360f8072f71
[INFO] running `Command { std: "docker" "start" "-a" "02bf4a05c6635d6e847d22978a820d77725455f9d3447c01f9f0f360f8072f71", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockcounter v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `deletable`
[INFO] [stdout]  --> examples/deletable.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const DELETABLE_FILENAME: &str = "can_be_deleted.txt";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider adding a `main` function to `examples/deletable.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 `blockcounter`.
[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" "02bf4a05c6635d6e847d22978a820d77725455f9d3447c01f9f0f360f8072f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bf4a05c6635d6e847d22978a820d77725455f9d3447c01f9f0f360f8072f71", kill_on_drop: false }`
[INFO] [stdout] 02bf4a05c6635d6e847d22978a820d77725455f9d3447c01f9f0f360f8072f71