[INFO] cloning repository https://github.com/benaryorg/rust-loop_benchmarking
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benaryorg/rust-loop_benchmarking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-loop_benchmarking", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-loop_benchmarking'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80cf66c5aa1e00a647c0b89f82efed88bfac73e3
[INFO] building benaryorg/rust-loop_benchmarking against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-loop_benchmarking" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benaryorg/rust-loop_benchmarking on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benaryorg/rust-loop_benchmarking
[INFO] finished tweaking git repo https://github.com/benaryorg/rust-loop_benchmarking
[INFO] tweaked toml for git repo https://github.com/benaryorg/rust-loop_benchmarking written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/benaryorg/rust-loop_benchmarking already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c49efe0245664781ffb274b0eb57b6ec8bfb97d2311e0500da0f161ad242baca
[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" "c49efe0245664781ffb274b0eb57b6ec8bfb97d2311e0500da0f161ad242baca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c49efe0245664781ffb274b0eb57b6ec8bfb97d2311e0500da0f161ad242baca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49efe0245664781ffb274b0eb57b6ec8bfb97d2311e0500da0f161ad242baca", kill_on_drop: false }`
[INFO] [stdout] c49efe0245664781ffb274b0eb57b6ec8bfb97d2311e0500da0f161ad242baca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c382fa29c9e0b0fc3020429556836fb9d817ca1ecf8dccad0abc596c3d43d43
[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" "7c382fa29c9e0b0fc3020429556836fb9d817ca1ecf8dccad0abc596c3d43d43", kill_on_drop: false }`
[INFO] [stderr]    Compiling loop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `loop`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #![feature(test)]
[INFO] [stdout] 2  | | #![feature(step_by)]
[INFO] [stdout] 3  | |
[INFO] [stdout] 4  | | extern crate test;
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     bench.iter(while_loop);
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `src/main.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 `loop`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7c382fa29c9e0b0fc3020429556836fb9d817ca1ecf8dccad0abc596c3d43d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c382fa29c9e0b0fc3020429556836fb9d817ca1ecf8dccad0abc596c3d43d43", kill_on_drop: false }`
[INFO] [stdout] 7c382fa29c9e0b0fc3020429556836fb9d817ca1ecf8dccad0abc596c3d43d43
