[INFO] fetching crate cmb 0.0.2...
[INFO] building cmb-0.0.2 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate cmb 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cmb 0.0.2 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmb 0.0.2
[INFO] finished tweaking crates.io crate cmb 0.0.2
[INFO] tweaked toml for crates.io crate cmb 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cmb 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07319cbaf167eda038f3c1817daa18938121a9d23c21c5a989a8bb924898ad79
[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" "07319cbaf167eda038f3c1817daa18938121a9d23c21c5a989a8bb924898ad79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07319cbaf167eda038f3c1817daa18938121a9d23c21c5a989a8bb924898ad79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07319cbaf167eda038f3c1817daa18938121a9d23c21c5a989a8bb924898ad79", kill_on_drop: false }`
[INFO] [stdout] 07319cbaf167eda038f3c1817daa18938121a9d23c21c5a989a8bb924898ad79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c620ca5fecc4e0b78e40f6729272ab67ecdf2f63a65255e752218c60b9e835b
[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" "3c620ca5fecc4e0b78e40f6729272ab67ecdf2f63a65255e752218c60b9e835b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmb v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "3c620ca5fecc4e0b78e40f6729272ab67ecdf2f63a65255e752218c60b9e835b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c620ca5fecc4e0b78e40f6729272ab67ecdf2f63a65255e752218c60b9e835b", kill_on_drop: false }`
[INFO] [stdout] 3c620ca5fecc4e0b78e40f6729272ab67ecdf2f63a65255e752218c60b9e835b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93d77b7464489b439b4671cd45aab4fa56e03c50495b8182a041e89b64790586
[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" "93d77b7464489b439b4671cd45aab4fa56e03c50495b8182a041e89b64790586", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmb v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `app`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `examples/app.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cmb`
[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" "93d77b7464489b439b4671cd45aab4fa56e03c50495b8182a041e89b64790586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d77b7464489b439b4671cd45aab4fa56e03c50495b8182a041e89b64790586", kill_on_drop: false }`
[INFO] [stdout] 93d77b7464489b439b4671cd45aab4fa56e03c50495b8182a041e89b64790586
